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-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.c813
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.h329
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_desc.h318
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_internal.h284
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h382
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.c1190
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.h362
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm_internal.h268
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_desc.h208
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_types.h360
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.c107
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.h138
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_internal.h115
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_types.h75
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.c508
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.h515
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid_types.h281
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.c506
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.h223
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_desc.h96
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_internal.h186
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.c557
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.h309
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_desc.h128
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_internal.h174
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.c620
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.h184
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_desc.h117
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_internal.h173
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.c2365
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.h193
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_desc.h104
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_internal.h259
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_scsi.h329
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_types.h141
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.c374
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.h166
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_internal.h203
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_types.h145
39 files changed, 13805 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.c
new file mode 100644
index 0000000..19e5a36
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.c
@@ -0,0 +1,813 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_AUDIO)
+
+#include "app_usbd_audio.h"
+#include "app_util_platform.h"
+
+/**
+ * @defgroup app_usbd_audio_internals USBD Audio internals
+ * @{
+ * @ingroup app_usbd_audio
+ * @internal
+ */
+
+STATIC_ASSERT(sizeof(app_usbd_audio_ac_iface_header_desc_t) == 8);
+STATIC_ASSERT(sizeof(app_usbd_audio_input_terminal_desc_t) == 12);
+STATIC_ASSERT(sizeof(app_usbd_audio_output_terminal_desc_t) == 9);
+STATIC_ASSERT(sizeof(app_usbd_audio_feature_unit_desc_t) == 6);
+STATIC_ASSERT(sizeof(app_usbd_audio_as_iface_desc_t) == 7);
+STATIC_ASSERT(sizeof(app_usbd_audio_as_format_type_one_desc_t) == 8);
+STATIC_ASSERT(sizeof(app_usbd_audio_as_format_type_two_desc_t) == 9);
+STATIC_ASSERT(sizeof(app_usbd_audio_as_format_type_three_desc_t) == 8);
+STATIC_ASSERT(sizeof(app_usbd_audio_as_endpoint_desc_t) == 7);
+
+#define APP_USBD_AUDIO_CONTROL_IFACE_IDX 0 /**< Audio class control interface index */
+#define APP_USBD_AUDIO_STREAMING_IFACE_IDX 1 /**< Audio class streaming interface index */
+
+#define APP_USBD_CDC_AUDIO_STREAMING_EP_IDX 0 /**< Audio streaming isochronous endpoint index */
+
+/**
+ * @brief Auxiliary function to access audio class instance data
+ *
+ * @param[in] p_inst Class instance data
+ * @return Audio class instance data @ref app_usbd_audio_t
+ */
+static inline app_usbd_audio_t const * audio_get(app_usbd_class_inst_t const * p_inst)
+{
+ ASSERT(p_inst != NULL);
+ return (app_usbd_audio_t const *)p_inst;
+}
+
+
+/**
+ * @brief Auxiliary function to access audio class context data
+ *
+ * @param[in] p_audio Audio class instance data
+ * @return Audio class context data @ref app_usbd_audio_ctx_t
+ */
+static inline app_usbd_audio_ctx_t * audio_ctx_get(app_usbd_audio_t const * p_audio)
+{
+ ASSERT(p_audio != NULL);
+ ASSERT(p_audio->specific.p_data != NULL);
+ return &p_audio->specific.p_data->ctx;
+}
+
+
+/**
+ * @brief User event handler
+ *
+ * @param[in] p_inst Class instance
+ * @param[in] event user Event type @ref app_usbd_audio_user_event_t
+ */
+static inline void user_event_handler(
+ app_usbd_class_inst_t const * p_inst,
+ app_usbd_audio_user_event_t event)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ if (p_audio->specific.inst.user_ev_handler != NULL)
+ {
+ p_audio->specific.inst.user_ev_handler(p_inst, event);
+ }
+}
+
+
+/**
+ * @brief Select interface
+ *
+ * @param[in,out] p_inst Instance of the class
+ * @param[in] iface_idx Index of the interface inside class structure
+ * @param[in] alternate Alternate setting that should be selected
+ */
+static ret_code_t iface_select(
+ app_usbd_class_inst_t const * const p_inst,
+ uint8_t iface_idx,
+ uint8_t alternate)
+{
+ app_usbd_class_iface_conf_t const * p_iface = app_usbd_class_iface_get(p_inst, iface_idx);
+ /* Simple check if this is data interface */
+ uint8_t const ep_count = app_usbd_class_iface_ep_count_get(p_iface);
+
+ if (ep_count > 0)
+ {
+ if (alternate > 1)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+ app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio);
+ p_audio_ctx->streaming = (alternate != 0);
+
+ uint8_t i;
+
+ for (i = 0; i < ep_count; ++i)
+ {
+ nrf_drv_usbd_ep_t ep_addr =
+ app_usbd_class_ep_address_get(app_usbd_class_iface_ep_get(p_iface, i));
+ if (alternate)
+ {
+ app_usbd_ep_enable(ep_addr);
+ }
+ else
+ {
+ app_usbd_ep_disable(ep_addr);
+ }
+ }
+ return NRF_SUCCESS;
+ }
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+static void iface_deselect(
+ app_usbd_class_inst_t const * const p_inst,
+ uint8_t iface_idx)
+{
+ app_usbd_class_iface_conf_t const * p_iface = app_usbd_class_iface_get(p_inst, iface_idx);
+
+ /* Simple check if this is data interface */
+ if (p_iface->ep_cnt > 0)
+ {
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+ app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio);
+ p_audio_ctx->streaming = false;
+ }
+ /* Note that all the interface endpoints would be disabled automatically after this function */
+}
+
+
+static uint8_t iface_selection_get(
+ app_usbd_class_inst_t const * const p_inst,
+ uint8_t iface_idx)
+{
+ app_usbd_class_iface_conf_t const * p_iface = app_usbd_class_iface_get(p_inst, iface_idx);
+ /* Simple check if this is data interface */
+ uint8_t const ep_count = app_usbd_class_iface_ep_count_get(p_iface);
+
+ if (ep_count > 0)
+ {
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+ app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio);
+ return (p_audio_ctx->streaming) ? 1 : 0;
+ }
+ return 0;
+}
+
+
+/**
+ * @brief Internal SETUP standard IN request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_std_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ /* Only Get Descriptor standard IN request is supported by Audio class */
+ if ((app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQREC_INTERFACE)
+ &&
+ (p_setup_ev->setup.bmRequest == APP_USBD_SETUP_STDREQ_GET_DESCRIPTOR))
+ {
+ size_t dsc_len = 0;
+ size_t max_size;
+
+ uint8_t * p_trans_buff = app_usbd_core_setup_transfer_buff_get(&max_size);
+
+ /* Try to find descriptor in class internals*/
+ ret_code_t ret = app_usbd_class_descriptor_find(
+ p_inst,
+ p_setup_ev->setup.wValue.hb,
+ p_setup_ev->setup.wValue.lb,
+ p_trans_buff,
+ &dsc_len);
+
+ if (ret != NRF_ERROR_NOT_FOUND)
+ {
+ ASSERT(dsc_len < NRF_DRV_USBD_EPSIZE);
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_trans_buff, dsc_len);
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Internal SETUP class IN request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_class_in(
+ app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_AUDIO_REQ_GET_CUR:
+ case APP_USBD_AUDIO_REQ_GET_MIN:
+ case APP_USBD_AUDIO_REQ_GET_MAX:
+ case APP_USBD_AUDIO_REQ_SET_RES:
+ case APP_USBD_AUDIO_REQ_GET_MEM:
+ {
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+ app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio);
+
+
+ p_audio_ctx->request.req_type = (app_usbd_audio_req_type_t)p_setup_ev->setup.bmRequest;
+ p_audio_ctx->request.control = p_setup_ev->setup.wValue.hb;
+ p_audio_ctx->request.channel = p_setup_ev->setup.wValue.lb;
+ p_audio_ctx->request.interface = p_setup_ev->setup.wIndex.hb;
+ p_audio_ctx->request.entity = p_setup_ev->setup.wIndex.lb;
+
+ p_audio_ctx->request.length = p_setup_ev->setup.wLength.w;
+
+ p_audio_ctx->request.req_target = APP_USBD_AUDIO_CLASS_REQ_IN;
+
+ app_usbd_setup_reqrec_t rec = app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType);
+ if (rec == APP_USBD_SETUP_REQREC_ENDPOINT)
+ {
+ p_audio_ctx->request.req_target = APP_USBD_AUDIO_EP_REQ_IN;
+ }
+
+ user_event_handler((app_usbd_class_inst_t const *)p_audio,
+ APP_USBD_AUDIO_USER_EVT_CLASS_REQ);
+
+ return app_usbd_core_setup_rsp(&p_setup_ev->setup,
+ p_audio_ctx->request.payload,
+ p_audio_ctx->request.length);
+ }
+
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+static ret_code_t audio_req_out_data_cb(nrf_drv_usbd_ep_status_t status, void * p_context)
+{
+ if (status == NRF_USBD_EP_OK)
+ {
+ app_usbd_audio_t const * p_audio = p_context;
+
+ user_event_handler((app_usbd_class_inst_t const *)p_audio,
+ APP_USBD_AUDIO_USER_EVT_CLASS_REQ);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+static ret_code_t audio_req_out(
+ app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+ app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio);
+
+
+ p_audio_ctx->request.req_type = (app_usbd_audio_req_type_t)p_setup_ev->setup.bmRequest;
+ p_audio_ctx->request.control = p_setup_ev->setup.wValue.hb;
+ p_audio_ctx->request.channel = p_setup_ev->setup.wValue.lb;
+ p_audio_ctx->request.interface = p_setup_ev->setup.wIndex.hb;
+ p_audio_ctx->request.entity = p_setup_ev->setup.wIndex.lb;
+
+ p_audio_ctx->request.length = p_setup_ev->setup.wLength.w;
+
+ p_audio_ctx->request.req_target = APP_USBD_AUDIO_CLASS_REQ_OUT;
+ if (app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQREC_ENDPOINT)
+ {
+ p_audio_ctx->request.req_target = APP_USBD_AUDIO_EP_REQ_OUT;
+ }
+
+ /*Request setup data*/
+ NRF_DRV_USBD_TRANSFER_OUT(transfer, p_audio_ctx->request.payload, p_audio_ctx->request.length);
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = app_usbd_ep_transfer(NRF_DRV_USBD_EPOUT0, &transfer);
+ if (ret == NRF_SUCCESS)
+ {
+ app_usbd_core_setup_data_handler_desc_t desc = {
+ .handler = audio_req_out_data_cb,
+ .p_context = (void *)p_audio
+ };
+
+ ret = app_usbd_core_setup_data_handler_set(NRF_DRV_USBD_EPOUT0, &desc);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+
+/**
+ * @brief Internal SETUP class OUT request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_class_out(
+ app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_AUDIO_REQ_SET_CUR:
+ case APP_USBD_AUDIO_REQ_SET_MIN:
+ case APP_USBD_AUDIO_REQ_SET_MAX:
+ case APP_USBD_AUDIO_REQ_SET_RES:
+ case APP_USBD_AUDIO_REQ_SET_MEM:
+ return audio_req_out(p_inst, p_setup_ev);
+
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Control endpoint handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_event_handler(
+ app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_setup_ev != NULL);
+
+ if (app_usbd_setup_req_dir(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQDIR_IN)
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_in(p_inst, p_setup_ev);
+
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_in(p_inst, p_setup_ev);
+
+ default:
+ break;
+ }
+ }
+ else /*APP_USBD_SETUP_REQDIR_OUT*/
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_out(p_inst, p_setup_ev);
+
+ default:
+ break;
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Endpoint IN event handler
+ *
+ * @param[in] p_inst Generic class instance
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t endpoint_in_event_handler(app_usbd_class_inst_t const * p_inst)
+{
+ user_event_handler(p_inst, APP_USBD_AUDIO_USER_EVT_TX_DONE);
+ return NRF_SUCCESS;
+}
+
+
+/**
+ * @brief Endpoint OUT event handler
+ *
+ * @param[in] p_inst Generic class instance
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t endpoint_out_event_handler(app_usbd_class_inst_t const * p_inst)
+{
+ user_event_handler(p_inst, APP_USBD_AUDIO_USER_EVT_RX_DONE);
+ return NRF_SUCCESS;
+}
+
+
+/**
+ * @brief Auxiliary function to access isochronous endpoint address
+ *
+ * @param[in] p_inst Class instance data
+ *
+ * @return ISO endpoint address
+ */
+static inline nrf_drv_usbd_ep_t ep_iso_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_AUDIO_STREAMING_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_CDC_AUDIO_STREAMING_EP_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+
+/**
+ * @brief @ref app_usbd_class_methods_t::event_handler
+ */
+static ret_code_t audio_event_handler(
+ app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_event != NULL);
+
+ ret_code_t ret = NRF_SUCCESS;
+
+ switch (p_event->app_evt.type)
+ {
+ case APP_USBD_EVT_DRV_RESET:
+ break;
+
+ case APP_USBD_EVT_DRV_SETUP:
+ ret = setup_event_handler(p_inst, (app_usbd_setup_evt_t const *)p_event);
+ break;
+
+ case APP_USBD_EVT_DRV_EPTRANSFER:
+ if (NRF_USBD_EPIN_CHECK(p_event->drv_evt.data.eptransfer.ep))
+ {
+ ret = endpoint_in_event_handler(p_inst);
+ }
+ else
+ {
+ ret = endpoint_out_event_handler(p_inst);
+ }
+ break;
+
+ case APP_USBD_EVT_DRV_SUSPEND:
+ break;
+
+ case APP_USBD_EVT_DRV_RESUME:
+ break;
+
+ case APP_USBD_EVT_INST_APPEND:
+ break;
+
+ case APP_USBD_EVT_INST_REMOVE:
+ break;
+
+ case APP_USBD_EVT_STARTED:
+ break;
+
+ case APP_USBD_EVT_STOPPED:
+ break;
+
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ return ret;
+}
+
+
+static size_t audio_get_format_descriptor_size(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_format_dsc->size;
+}
+
+
+static size_t audio_get_format_descriptor_data(app_usbd_class_inst_t const * p_inst,
+ uint32_t cur_byte)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_format_dsc->p_data[cur_byte];
+}
+
+
+static size_t audio_get_input_descriptor_size(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_input_dsc->size;
+}
+
+
+static size_t audio_get_input_descriptor_data(app_usbd_class_inst_t const * p_inst,
+ uint32_t cur_byte)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_input_dsc->p_data[cur_byte];
+}
+
+
+static size_t audio_get_output_descriptor_size(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_output_dsc->size;
+}
+
+
+static size_t audio_get_output_descriptor_data(app_usbd_class_inst_t const * p_inst,
+ uint32_t cur_byte)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_output_dsc->p_data[cur_byte];
+}
+
+
+static size_t audio_get_feature_descriptor_size(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_feature_dsc->size;
+}
+
+
+static size_t audio_get_feature_descriptor_data(app_usbd_class_inst_t const * p_inst,
+ uint32_t cur_byte)
+{
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ return p_audio->specific.inst.p_feature_dsc->p_data[cur_byte];
+}
+
+
+static uint8_t audio_get_control_interface_number(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * ifce = 0;
+
+ ifce = app_usbd_class_iface_get(p_inst, 0);
+ return app_usbd_class_iface_number_get(ifce);
+}
+
+
+/**
+ * @brief @ref app_usbd_class_methods_t::feed_descriptors
+ */
+
+static bool audio_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static uint8_t ifaces = 0;
+ ifaces = app_usbd_class_iface_count_get(p_inst);
+ ASSERT(ifaces == 2);
+ app_usbd_audio_t const * p_audio = audio_get(p_inst);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ /* CONTROL INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+
+ static app_usbd_class_iface_conf_t const * p_cur_iface = NULL;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, 0);
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_ep_count_get(p_cur_iface)); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_CLASS); // bInterfaceClass = Audio
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_SUBCLASS_AUDIOCONTROL); // bInterfaceSubclass (Audio Control)
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_CLASS_PROTOCOL_UNDEFINED); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ /* HEADER INTERFACE */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_DESCRIPTOR_INTERFACE); // bDescriptorType = Audio Interfaces
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_AC_IFACE_SUBTYPE_HEADER); // bDescriptorSubtype = Header
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(0x0100)); // bcdADC LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(0x0100)); // bcdADC MSB
+
+ static uint16_t header_desc_len = 0;
+ header_desc_len = 9 + audio_get_feature_descriptor_size(p_inst) +
+ audio_get_input_descriptor_size(p_inst) + audio_get_output_descriptor_size(
+ p_inst);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(header_desc_len)); // wTotalLength LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(header_desc_len)); // wTotalLength MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x01); // bInCollection
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_control_interface_number(p_inst) + 1); // baInterfaceNr(1)
+
+ /* INPUT TERMINAL DESCRIPTOR */
+ static uint32_t cur_byte = 0;
+ static size_t input_desc_size = 0;
+ input_desc_size = audio_get_input_descriptor_size(p_inst);
+
+ for (cur_byte = 0; cur_byte < input_desc_size; cur_byte++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_input_descriptor_data(p_inst, cur_byte));
+ }
+
+ /* FEATURE UNIT DESCRIPTOR */
+ static size_t feature_desc_size = 0;
+ feature_desc_size = audio_get_feature_descriptor_size(p_inst);
+
+ for (cur_byte = 0; cur_byte < feature_desc_size; cur_byte++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_feature_descriptor_data(p_inst, cur_byte));
+ }
+
+ /* OUTPUT TERMINAL DESCRIPTOR */
+ static size_t output_desc_size = 0;
+ output_desc_size = audio_get_output_descriptor_size(p_inst);
+
+ for (cur_byte = 0; cur_byte < output_desc_size; cur_byte++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_output_descriptor_data(p_inst, cur_byte));
+ }
+
+ p_cur_iface++;
+
+ /* STREAM INTERFACE DESCRIPTOR ALT 0 */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_control_interface_number(p_inst) + 1); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_CLASS); // bInterfaceClass = Audio
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_audio->specific.inst.type_streaming); // bInterfaceSubclass (Audio Control)
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_CLASS_PROTOCOL_UNDEFINED); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ /* STREAM INTERFACE DESCRIPTOR ALT 1 */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_control_interface_number(p_inst) + 1); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x01); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_ep_count_get(p_cur_iface)); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_CLASS); // bInterfaceClass = Audio
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_audio->specific.inst.type_streaming); // bInterfaceSubclass (Audio Control)
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_CLASS_PROTOCOL_UNDEFINED); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ /* AudioStreaming GENERAL DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x07); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_DESCRIPTOR_INTERFACE); // bDescriptorType = Audio Interface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_AS_IFACE_SUBTYPE_GENERAL); // bDescriptorSubtype = General
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_control_interface_number(p_inst) + 1); // bTerminalLink
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_audio->specific.inst.delay); // bDelay
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(p_audio->specific.inst.format)); // wFormatTag LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(p_audio->specific.inst.format)); // wFormatTag MSB
+
+ /* FORMAT DESCRIPTOR */
+ static size_t format_desc_size = 0;
+ format_desc_size = audio_get_format_descriptor_size(p_inst);
+
+ for (cur_byte = 0; cur_byte < format_desc_size; cur_byte++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(audio_get_format_descriptor_data(p_inst, cur_byte));
+ }
+
+ /* ENDPOINT GENERAL DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x07); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_DESCRIPTOR_ENDPOINT); // bDescriptorType = Audio Descriptor
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_AUDIO_EP_SUBTYPE_GENERAL); // bDescriptorSubtype = EP General
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bmAttributes
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bLockDelayUnits
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(0x0000)); // wLockDelay LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(0x0000)); // wLockDelay MSB
+
+ /* ENDPOINT ISO DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_ENDPOINT); // bDescriptorType = Endpoint
+
+ static app_usbd_class_ep_conf_t const * p_cur_ep = NULL;
+ p_cur_ep = app_usbd_class_iface_ep_get(p_cur_iface, 0);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_ep_address_get(p_cur_ep)); // bEndpointAddress
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_ISOCHRONOUS); // bmAttributes
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(p_audio->specific.inst.ep_size)); // wMaxPacketSize LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(p_audio->specific.inst.ep_size)); // wMaxPacketSize MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x01); // bInterval
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bRefresh
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bSynchAddress
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+/** @} */
+
+const app_usbd_class_methods_t app_usbd_audio_class_methods = {
+ .event_handler = audio_event_handler,
+ .feed_descriptors = audio_feed_descriptors,
+ .iface_select = iface_select,
+ .iface_deselect = iface_deselect,
+ .iface_selection_get = iface_selection_get,
+};
+
+
+size_t app_usbd_audio_class_rx_size_get(app_usbd_class_inst_t const * p_inst)
+{
+ nrf_drv_usbd_ep_t ep_addr;
+
+ ep_addr = ep_iso_addr_get(p_inst);
+ ASSERT(NRF_USBD_EPISO_CHECK(ep_addr));
+
+ return (size_t)nrf_drv_usbd_epout_size_get(ep_addr);
+}
+
+
+ret_code_t app_usbd_audio_class_rx_start(
+ app_usbd_class_inst_t const * p_inst,
+ void * p_buff,
+ size_t size)
+{
+ nrf_drv_usbd_ep_t ep_addr;
+
+ ep_addr = ep_iso_addr_get(p_inst);
+ ASSERT(NRF_USBD_EPISO_CHECK(ep_addr));
+
+ NRF_DRV_USBD_TRANSFER_OUT(transfer, p_buff, size);
+ return app_usbd_ep_transfer(ep_addr, &transfer);
+}
+
+
+ret_code_t app_usbd_audio_class_tx_start(
+ app_usbd_class_inst_t const * p_inst,
+ const void * p_buff,
+ size_t size)
+{
+ nrf_drv_usbd_ep_t ep_addr;
+
+ ep_addr = ep_iso_addr_get(p_inst);
+ ASSERT(NRF_USBD_EPISO_CHECK(ep_addr));
+
+ NRF_DRV_USBD_TRANSFER_IN(transfer, p_buff, size);
+ return app_usbd_ep_transfer(ep_addr, &transfer);
+}
+
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_AUDIO)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.h
new file mode 100644
index 0000000..f094bbb
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio.h
@@ -0,0 +1,329 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_AUDIO_H__
+#define APP_USBD_AUDIO_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd_descriptor.h"
+
+#include "app_usbd_audio_types.h"
+#include "app_usbd_audio_desc.h"
+#include "app_usbd_audio_internal.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_audio USB AUDIO class
+ * @ingroup app_usbd
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by USB Audio class.
+ *
+ * @details Reference specifications:
+ * - "Universal Serial Bus Device Class Definition for Audio Devices"
+ * Release 1.0, March 18, 1998.
+ * - "Universal Serial Bus Device Class Definition for Audio Data Formats"
+ * Release 1.0, March 18, 1998.
+ * - "Universal Serial Bus Device Class Definition for Terminal Types"
+ * Release 1.0, March 18, 1998.
+ *
+ * @{
+ */
+
+
+#ifdef DOXYGEN
+/**
+ * @brief Audio class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_audio_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_TYPEDEF(app_usbd_audio, \
+ APP_USBD_AUDIO_CONFIG(0, 1), \
+ APP_USBD_AUDIO_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_AUDIO_DATA_SPECIFIC_DEC \
+);
+/*lint -restore*/
+#endif
+
+
+/*lint -save -e407 */
+
+/**
+ * @brief Events passed to user event handler
+ *
+ * @note Example prototype of user event handler:
+ *
+ * @code
+ void audio_user_ev_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_audio_user_event_t event);
+ * @endcode
+ */
+typedef enum app_usbd_audio_user_event_e {
+ APP_USBD_AUDIO_USER_EVT_CLASS_REQ, /**< User event CLASS_REQ */
+ APP_USBD_AUDIO_USER_EVT_RX_DONE, /**< User event RX_DONE */
+ APP_USBD_AUDIO_USER_EVT_TX_DONE, /**< User event TX_DONE */
+} app_usbd_audio_user_event_t;
+
+/*lint -restore*/
+
+/**
+ * @brief Global definition of app_usbd_audio_t class instance
+ *
+ * @param instance_name Name of global instance
+ * @param interfaces_configs Interfaces configurations
+ * @param user_ev_handler User event handler
+ * @param format_descriptor Audio class Format descriptor
+ * @param input_descriptor Audio class Input Terminal descriptor
+ * @param output_descriptor Audio class Output Terminal descriptor
+ * @param feature_descriptor Audio class Feature Unit descriptor
+ * @param delay Streaming delay
+ * @param format FormatTag (@ref app_usbd_audio_as_iface_format_tag_t)
+ * @param ep_size Endpoint size
+ * @param type_str Streaming type MIDISTREAMING/AUDIOSTREAMING
+ *
+ * @note This macro is just simplified version of @ref APP_USBD_AUDIO_GLOBAL_DEF_INTERNAL
+ *
+ */
+#define APP_USBD_AUDIO_GLOBAL_DEF(instance_name, \
+ interfaces_configs, \
+ user_ev_handler, \
+ format_descriptor, \
+ input_descriptor, \
+ output_descriptor, \
+ feature_descriptor, \
+ delay, \
+ format, \
+ ep_size, \
+ type_str) \
+ APP_USBD_AUDIO_GLOBAL_DEF_INTERNAL(instance_name, \
+ interfaces_configs, \
+ user_ev_handler, \
+ format_descriptor, \
+ input_descriptor, \
+ output_descriptor, \
+ feature_descriptor, \
+ delay, \
+ format, \
+ ep_size, \
+ type_str)
+
+
+/**
+ * @brief Initializer of Audio Format descriptor
+ *
+ * @param name Format descriptor name
+ * @param ... Format descriptor data
+*/
+
+#define APP_USBD_AUDIO_FORMAT_DESCRIPTOR(name, ...) \
+ static uint8_t const CONCAT_2(name, _data)[] = \
+ { \
+ __VA_ARGS__ \
+ }; \
+ static const app_usbd_audio_subclass_desc_t name = \
+ { \
+ sizeof(CONCAT_2(name, _data)), \
+ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_TYPE, \
+ CONCAT_2(name,_data) \
+ }
+
+/**
+ * @brief Initializer of Audio Input descriptor
+ *
+ * @param name Input descriptor name
+ * @param ... Input descriptor data
+*/
+
+#define APP_USBD_AUDIO_INPUT_DESCRIPTOR(name, ...) \
+ static uint8_t const CONCAT_2(name, _data)[] = \
+ { \
+ __VA_ARGS__ \
+ }; \
+ static const app_usbd_audio_subclass_desc_t name = \
+ { \
+ sizeof(CONCAT_2(name, _data)), \
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_INPUT_TERMINAL, \
+ CONCAT_2(name,_data) \
+ }
+
+/**
+ * @brief Initializer of Audio Output descriptor
+ *
+ * @param name Output descriptor name
+ * @param ... Output descriptor data
+*/
+
+#define APP_USBD_AUDIO_OUTPUT_DESCRIPTOR(name, ...) \
+ static uint8_t const CONCAT_2(name, _data)[] = \
+ { \
+ __VA_ARGS__ \
+ }; \
+ static const app_usbd_audio_subclass_desc_t name = \
+ { \
+ sizeof(CONCAT_2(name, _data)), \
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_OUTPUT_TERNINAL, \
+ CONCAT_2(name,_data) \
+ }
+
+/**
+ * @brief Initializer of Feture Output descriptor
+ *
+ * @param name Feture descriptor name
+ * @param ... Feture descriptor data
+*/
+
+#define APP_USBD_AUDIO_FEATURE_DESCRIPTOR(name, ...) \
+ static uint8_t const CONCAT_2(name, _data)[] = \
+ { \
+ __VA_ARGS__ \
+ }; \
+ static const app_usbd_audio_subclass_desc_t name = \
+ { \
+ sizeof(CONCAT_2(name, _data)), \
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_FEATURE_UNIT, \
+ CONCAT_2(name,_data) \
+ }
+
+/**
+ * @@brief Helper function to get class instance from Audio class
+ *
+ * @param[in] p_audio Audio class instance (declared by @ref APP_USBD_AUDIO_GLOBAL_DEF)
+ * @return Base class instance
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_audio_class_inst_get(app_usbd_audio_t const * p_audio)
+{
+ return &p_audio->base;
+}
+
+/**
+ * @brief Helper function to get audio specific request from audio class
+ *
+ * @param[in] p_audio Audio class instance (declared by @ref APP_USBD_AUDIO_GLOBAL_DEF)
+ * @return Audio class specific request
+ */
+static inline app_usbd_audio_req_t *
+app_usbd_audio_class_request_get(app_usbd_audio_t const * p_audio)
+{
+ return &p_audio->specific.p_data->ctx.request;
+}
+
+/**
+ * @brief Helper function to get audio from base class instance
+ *
+ * @param[in] p_inst Base class instance
+ * @return Audio class handle
+ */
+static inline app_usbd_audio_t const *
+app_usbd_audio_class_get(app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_audio_t const *)p_inst;
+}
+
+/**
+ * @brief Get the size of last received transfer.
+ *
+ * @note Call this function in reaction to a SOF event to check if there is any data to process.
+ *
+ * @param p_inst Base class instance.
+ *
+ * @return Number of bytes received in the last transmission.
+ */
+size_t app_usbd_audio_class_rx_size_get(app_usbd_class_inst_t const * p_inst);
+
+/**
+ * @brief Start audio data copying from the endpoint buffer.
+ *
+ * Function to be used to copy data from an audio OUT endpoint to a given buffer.
+ * When it finishes, an @ref APP_USBD_AUDIO_USER_EVT_RX_DONE event is generated.
+ *
+ * @param p_inst Base class instance.
+ * @param p_buff Target buffer.
+ * @param size Size of the requested data.
+ *
+ * @return Result of the endpoint transmission start.
+ *
+ * @sa app_usbd_audio_class_rx_size_get
+ *
+ * @note This function should be called in reaction to a SOF event.
+ * Isochronous endpoints are double buffered and they are automatically switched at every SOF.
+ */
+ret_code_t app_usbd_audio_class_rx_start(
+ app_usbd_class_inst_t const * p_inst,
+ void * p_buff,
+ size_t size);
+
+/**
+ * @brief Start copying audio data to the endpoint buffer.
+ *
+ * Function to be used to copy data to an audio IN endpoint from a given buffer.
+ * When it finishes, an @ref APP_USBD_AUDIO_USER_EVT_TX_DONE event is generated.
+ *
+ * @param p_inst Base class instance.
+ * @param p_buff Source buffer.
+ * @param size Size of the data to be sent.
+ *
+ * @return Result of the endpoint transsmision start.
+ *
+ * @note This function should be called in reaction to a SOF event.
+ * Isochronous endpoints are double buffered and they are automatically switched at every SOF.
+ */
+ret_code_t app_usbd_audio_class_tx_start(
+ app_usbd_class_inst_t const * p_inst,
+ const void * p_buff,
+ size_t size);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_AUDIO_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_desc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_desc.h
new file mode 100644
index 0000000..dbc4d41
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_desc.h
@@ -0,0 +1,318 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_AUDIO_DESC_H__
+#define APP_USBD_AUDIO_DESC_H__
+
+#include "app_usbd_descriptor.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_audio_dsc USB Audio descriptors
+ * @brief @tagAPI52840 Descriptors used in the USB Audio class.
+ * @ingroup app_usbd_audio
+ * @{
+ */
+
+/**
+ * @brief Initializer of interface descriptor for AUDIO class
+ *
+ * @param interface_number Interface number
+ * @param alt_setting Interface alternate setting
+ * @param ep_num Number of endpoints
+ * @param subclass Audio subclass @ref app_usbd_audio_subclass_t
+ * */
+#define APP_USBD_AUDIO_INTERFACE_DSC(interface_number, alt_setting, ep_num, subclass) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_iface_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_INTERFACE, \
+ /*.bInterfaceNumber = */ (interface_number), \
+ /*.bAlternateSetting = */ (alt_setting), \
+ /*.bNumEndpoints = */ (ep_num), \
+ /*.bInterfaceClass = */ APP_USBD_AUDIO_CLASS, \
+ /*.bInterfaceSubClass = */ (subclass), \
+ /*.bInterfaceProtocol = */ APP_USBD_AUDIO_CLASS_PROTOCOL_UNDEFINED, \
+ /*.iInterface = 0, */ 0x00, \
+
+/**
+ * @brief Initializer of isochronous endpoint descriptors for audio class
+ *
+ * @param ep ISO endpoint id: @ref NRF_DRV_USBD_EPIN8, @ref NRF_DRV_USBD_EPOUT8
+ * @param ep_size Endpoint size (bytes)
+ * @param interval Endpoint interval (milliseconds)
+ * @param refresh Refresh value (usually 0)
+ * @param synch_addr Synch address (usually 0)
+ * */
+#define APP_USBD_AUDIO_ISO_EP_DSC(ep, ep_size, interval, refresh, synch_addr) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_ep_t) + 2, \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_ENDPOINT, \
+ /*.bEndpointAddress = */ ep, \
+ /*.bmAttributes = */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_ISOCHRONOUS, \
+ /*.wMaxPacketSize = */ APP_USBD_U16_TO_RAW_DSC(ep_size), \
+ /*.bInterval = */ (interval), \
+ /*.bRefresh = */ (refresh), \
+ /*.bInterval = */ (synch_addr), \
+
+/**
+ * @brief Simplified version of @ref APP_USBD_AUDIO_ISO_EP_DSC for ISO IN endpoint
+ */
+#define APP_USBD_AUDIO_ISO_EP_IN_DSC(ep_size) \
+ APP_USBD_AUDIO_ISO_EP_DSC(NRF_DRV_USBD_EPIN8, ep_size, 1, 0, 0)
+
+/**
+ * @brief Simplified version of @ref APP_USBD_AUDIO_ISO_EP_DSC for ISO OUT endpoint
+ */
+#define APP_USBD_AUDIO_ISO_EP_OUT_DSC(ep_size) \
+ APP_USBD_AUDIO_ISO_EP_DSC(NRF_DRV_USBD_EPOUT8, ep_size, 1, 0, 0)
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_ac_iface_header_desc_t
+ *
+ * @param descriptor_list Descriptor list following audio interface header descriptor
+ * @param ... List of interfaces following audio control interface
+ * */
+#define APP_USBD_AUDIO_AC_IFACE_HEADER_DSC(descriptor_list, ...) \
+ /*.bLength = */ sizeof(app_usbd_audio_ac_iface_header_desc_t) + \
+ (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_HEADER, \
+ /*.bcdADC = */ APP_USBD_U16_TO_RAW_DSC(0x0100), \
+ /*.wTotalLength = */ APP_USBD_U16_TO_RAW_DSC( \
+ sizeof((uint8_t[]){BRACKET_EXTRACT(descriptor_list)}) + \
+ sizeof(app_usbd_audio_ac_iface_header_desc_t) + \
+ (NUM_VA_ARGS(__VA_ARGS__))), \
+ /*.bInCollection = */ (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.baInterfaceNr[] = */ __VA_ARGS__, \
+
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_input_terminal_desc_t
+ *
+ * @param terminal_id Terminal ID
+ * @param terminal_type Terminal type @ref app_usbd_audio_terminal_type_t
+ * @param nr_channels Number of channels
+ * @param ch_config CHannel config bitmask
+ * */
+#define APP_USBD_AUDIO_INPUT_TERMINAL_DSC(terminal_id, terminal_type, nr_channels, ch_config) \
+ /*.bLength = */ sizeof(app_usbd_audio_input_terminal_desc_t), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_INPUT_TERMINAL, \
+ /*.bTerminalID = */ (terminal_id), \
+ /*.wTerminalType = */ APP_USBD_U16_TO_RAW_DSC(terminal_type), \
+ /*.bAssocTerminal = */ 0, \
+ /*.bNrChannels = */ (nr_channels), \
+ /*.wChannelConfig = */ APP_USBD_U16_TO_RAW_DSC(ch_config), \
+ /*.iChannelNames = */ 0, \
+ /*.iTerminal = */ 0, \
+
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_output_terminal_desc_t
+ *
+ * @param terminal_id Terminal ID
+ * @param terminal_type Terminal type @ref app_usbd_audio_terminal_type_t
+ * @param source_id Source ID
+ * */
+#define APP_USBD_AUDIO_OUTPUT_TERMINAL_DSC(terminal_id, terminal_type, source_id) \
+ /*.bLength = */ sizeof(app_usbd_audio_output_terminal_desc_t), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_OUTPUT_TERNINAL, \
+ /*.bTerminalID = */ (terminal_id), \
+ /*.wTerminalType = */ APP_USBD_U16_TO_RAW_DSC(terminal_type), \
+ /*.bAssocTerminal = */ 0, \
+ /*.bSourceID = */ (source_id), \
+ /*.iTerminal = */ 0, \
+
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_feature_unit_desc_t
+ *
+ * @param unit_id Unit ID
+ * @param source_id Source ID
+ * @param ... List of controls
+ * */
+#define APP_USBD_AUDIO_FEATURE_UNIT_DSC(unit_id, source_id, ...) \
+ /*.bLength = */ sizeof(app_usbd_audio_feature_unit_desc_t) + \
+ 1 + (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_FEATURE_UNIT, \
+ /*.bUnitID = */ (unit_id), \
+ /*.bSourceID = */ (source_id), \
+ /*.bControlSize = */ sizeof(uint16_t), \
+ /*.bmaControls[] = */ __VA_ARGS__, \
+ /*.iFeature = */ 0, \
+
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_as_iface_desc_t
+ *
+ * @param terminal_link Terminal link
+ * @param delay Delay
+ * @param format_tag Format TAG
+ * */
+#define APP_USBD_AUDIO_AS_IFACE_DSC(terminal_link, delay, format_tag) \
+ /*.bLength = */ sizeof(app_usbd_audio_as_iface_desc_t), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_GENERAL, \
+ /*.bTerminalLink = */ (terminal_link), \
+ /*.bDelay = */ (delay), \
+ /*.wFormatTag = */ APP_USBD_U16_TO_RAW_DSC(format_tag), \
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_as_format_type_one_desc_t
+ *
+ * @param nr_channels Number of channels
+ * @param subframe_size Subframe size
+ * @param resolution Bit resolution
+ * @param freq_type Frequency type
+ * @param ... List of frequencies
+ * */
+#define APP_USBD_AUDIO_AS_FORMAT_I_DSC(nr_channels, subframe_size, resolution, freq_type, ...) \
+ /*.bLength = */ sizeof(app_usbd_audio_as_format_type_one_desc_t) + \
+ (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_TYPE, \
+ /*.bFormatType = */ (1), \
+ /*.bNrChannels = */ (nr_channels), \
+ /*.bSubframeSize = */ (subframe_size), \
+ /*.bBitResolution = */ (resolution), \
+ /*.bSamFreqType = */ (freq_type), \
+ /*.tSamFreq = */ __VA_ARGS__, \
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_as_format_type_two_desc_t
+ *
+ * @param max_bitrate Maximum bitrate
+ * @param samples_per_frame Samples per frame
+ * @param freq_type Frequency type
+ * @param ... List of frequencies
+ * */
+#define APP_USBD_AUDIO_AS_FORMAT_II_DSC(max_bitrate, samples_per_frame, freq_type, ...) \
+ /*.bLength = */ sizeof(app_usbd_audio_as_format_type_two_desc_t) + \
+ (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_TYPE, \
+ /*.bFormatType = */ (2), \
+ /*.wMaxBitRate = */ APP_USBD_U16_TO_RAW_DSC(max_bitrate), \
+ /*.wSamplesPerFrame = */ APP_USBD_U16_TO_RAW_DSC(samples_per_frame), \
+ /*.bSamFreqType = */ (freq_type), \
+ /*.tSamFreq = */ __VA_ARGS__, \
+
+/**
+* @brief Initializer of @ref app_usbd_audio_as_format_type_three_desc_t
+ *
+ * @param nr_channels Number of channels
+ * @param subframe_size Subframe size
+ * @param resolution Bit resolution
+ * @param freq_type Frequency type
+ * @param ... List of frequencies
+ * */
+#define APP_USBD_AUDIO_AS_FORMAT_III_DSC(nr_channels, subframe_size, resolution, freq_type, ...) \
+ /*.bLength = */ sizeof(app_usbd_audio_as_format_type_three_desc_t) + \
+ (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_TYPE, \
+ /*.bFormatType = */ (3), \
+ /*.bNrChannels = */ (nr_channels), \
+ /*.bSubframeSize = */ (subframe_size), \
+ /*.bBitResolution = */ (resolution), \
+ /*.bSamFreqType = */ (freq_type), \
+ /*.tSamFreq = */ __VA_ARGS__, \
+
+
+/**
+ * @brief Initializer of @ref app_usbd_audio_as_endpoint_desc_t
+ *
+ * @param attributes Endpoint attributes
+ * @param lock_delay_units Lock delay units
+ * @param lock_delay Lock delay
+ * */
+#define APP_USBD_AUDIO_EP_GENERAL_DSC(attributes, lock_delay_units, lock_delay) \
+ /*.bLength = */ sizeof(app_usbd_audio_as_endpoint_desc_t), \
+ /*.bDescriptorType = */ APP_USBD_AUDIO_DESCRIPTOR_ENDPOINT, \
+ /*.bDescriptorSubtype = */ APP_USBD_AUDIO_EP_SUBTYPE_GENERAL, \
+ /*.bmAttributes = */ (attributes), \
+ /*.bLockDelayUnits = */ (lock_delay_units), \
+ /*.wLockDelay = */ APP_USBD_U16_TO_RAW_DSC(lock_delay), \
+
+/**
+ * @brief Macro to configure Audio Class control descriptor
+ *
+ * @param interface_number Interface number
+ * @param descriptor_list List of descriptors after Audio interface header descriptor
+ * @param interface_list List of interfaces passed to @ref APP_USBD_AUDIO_AC_IFACE_HEADER_DSC
+ * */
+#define APP_USBD_AUDIO_CONTROL_DSC(interface_number, descriptor_list, interface_list) \
+ APP_USBD_AUDIO_INTERFACE_DSC(interface_number, 0, 0, APP_USBD_AUDIO_SUBCLASS_AUDIOCONTROL) \
+ APP_USBD_AUDIO_AC_IFACE_HEADER_DSC(descriptor_list, BRACKET_EXTRACT(interface_list)) \
+ BRACKET_EXTRACT(descriptor_list)
+
+
+/**
+ * @brief Macro to configure Audio Class streaming descriptor
+ *
+ * @param interface_number Interface number
+ * @param alt_setting Alternate interface setting
+ * @param ep_num Number of endpoints
+ */
+#define APP_USBD_AUDIO_STREAMING_DSC(interface_number, alt_setting, ep_num) \
+ APP_USBD_AUDIO_INTERFACE_DSC(interface_number, alt_setting, ep_num, \
+ APP_USBD_AUDIO_SUBCLASS_AUDIOSTREAMING)
+
+/**
+ * @brief Macro to configure Audio Class MIDI streaming descriptor
+ *
+ * @param interface_number Interface number
+ * @param alt_setting Alternate interface setting
+ * @param ep_num Number of endpoints
+ */
+#define APP_USBD_AUDIO_MIDI_STREAMING_DSC(interface_number, alt_setting, ep_num) \
+ APP_USBD_AUDIO_INTERFACE_DSC(interface_number, alt_setting, ep_num, \
+ APP_USBD_AUDIO_SUBCLASS_MIDISTREAMING)
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_AUDIO_DESC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_internal.h
new file mode 100644
index 0000000..c3371b2
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_internal.h
@@ -0,0 +1,284 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_AUDIO_INTERNAL_H__
+#define APP_USBD_AUDIO_INTERNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_audio_internal USB Audio internals
+ * @brief @tagAPI52840 USB Audio class internals.
+ * @ingroup app_usbd_audio
+ * @{
+ */
+
+/**
+ * @brief Forward declaration of type defined by @ref APP_USBD_CLASS_TYPEDEF in audio class
+ *
+ */
+APP_USBD_CLASS_FORWARD(app_usbd_audio);
+
+/*lint -save -e165*/
+/**
+ * @brief Forward declaration of @ref app_usbd_audio_user_event_e
+ *
+ */
+enum app_usbd_audio_user_event_e;
+
+/*lint -restore*/
+
+/**
+ * @brief User event handler
+ *
+ * @param[in] p_inst Class instance
+ * @param[in] event User event
+ *
+ */
+typedef void (*app_usbd_audio_user_ev_handler_t)(app_usbd_class_inst_t const * p_inst,
+ enum app_usbd_audio_user_event_e event);
+
+
+/**
+* @brief Audio subclass descriptor.
+*/
+
+typedef struct {
+ size_t size;
+ uint8_t type;
+ uint8_t const * const p_data;
+} app_usbd_audio_subclass_desc_t;
+
+/**
+ * @brief Audio class part of class instance data
+ */
+typedef struct {
+
+ app_usbd_audio_subclass_desc_t const * const p_format_dsc; //!< Audio class Format descriptor
+ app_usbd_audio_subclass_desc_t const * const p_input_dsc; //!< Audio class Input Terminal descriptor
+ app_usbd_audio_subclass_desc_t const * const p_output_dsc; //!< Audio class Output Terminal descriptor
+ app_usbd_audio_subclass_desc_t const * const p_feature_dsc; //!< Audio class Feature Unit descriptor
+
+ uint8_t delay; //!< Streaming delay
+ uint16_t format; //!< FormatTag (@ref app_usbd_audio_as_iface_format_tag_t)
+ uint16_t ep_size; //!< Endpoint size
+
+ app_usbd_audio_subclass_t type_streaming; //Streaming type MIDISTREAMING/AUDIOSTREAMING (@ref app_usbd_audio_subclass_t)
+
+ app_usbd_audio_user_ev_handler_t user_ev_handler; //!< User event handler
+} app_usbd_audio_inst_t;
+
+/**
+ * @brief Audio class request target
+ */
+typedef enum {
+ APP_USBD_AUDIO_CLASS_REQ_IN, /**< Audio class request IN */
+ APP_USBD_AUDIO_CLASS_REQ_OUT, /**< Audio class request OUT */
+ APP_USBD_AUDIO_EP_REQ_IN, /**< Audio class endpoint request IN */
+ APP_USBD_AUDIO_EP_REQ_OUT, /**< Audio class endpoint request OUT */
+} app_usbd_audio_class_req_target_t;
+
+/**
+ * @brief Audio class specific request handled via control endpoint
+ */
+typedef struct {
+ app_usbd_audio_class_req_target_t req_target; //!< Request target
+ app_usbd_audio_req_type_t req_type; //!< Request type
+
+ uint8_t control; //!< Request control field
+ uint8_t channel; //!< Channel ID
+ uint8_t interface; //!< Interface ID
+ uint8_t entity; //!< Entity ID
+ uint16_t length; //!< Request payload length
+
+ uint8_t payload[64]; //!< Request payload
+} app_usbd_audio_req_t;
+
+
+/**
+ * @brief Audio class context
+ *
+ */
+typedef struct {
+ app_usbd_audio_req_t request; //!< Audio class request
+ bool streaming; //!< Streaming flag
+} app_usbd_audio_ctx_t;
+
+
+/**
+ * @brief Audio class configuration macro
+ *
+ * Used by @ref APP_USBD_AUDIO_GLOBAL_DEF
+ *
+ * @param iface_control Interface number of audio control
+ * @param iface_stream Interface number of audio stream
+ */
+#define APP_USBD_AUDIO_CONFIG(iface_control, iface_stream) \
+ ((iface_control), \
+ (iface_stream, 0))
+
+/**
+ * @brief Only IN audio stream configuration
+ *
+ * @param iface_control Interface number of audio control
+ * @param iface_stream_in Interface number of audio stream on IN endpoint
+ */
+#define APP_USBD_AUDIO_CONFIG_IN(iface_control, iface_stream_in) \
+ ((iface_control), (iface_stream_in, NRF_DRV_USBD_EPIN8))
+
+
+/**
+ * @brief Only OUT audio stream configuration
+ *
+ * @param iface_control Interface number of audio control
+ * @param iface_stream_out Interface number of audio stream on OUT endpoint
+ */
+#define APP_USBD_AUDIO_CONFIG_OUT(iface_control, iface_stream_out) \
+ ((iface_control), (iface_stream_out, NRF_DRV_USBD_EPOUT8))
+
+/**
+ * @brief Specific class constant data for audio class
+ *
+ * @ref app_usbd_audio_inst_t
+ */
+#define APP_USBD_AUDIO_INSTANCE_SPECIFIC_DEC app_usbd_audio_inst_t inst;
+
+/**
+ * @brief Configures audio class instance
+ *
+ * @param user_event_handler User event handler
+ * @param format_descriptor Audio class Format descriptor
+ * @param input_descriptor Audio class Input Terminal descriptor
+ * @param output_descriptor Audio class Output Terminal descriptor
+ * @param feature_descriptor Audio class Feature Unit descriptor
+ * @param dlay Streaming delay
+ * @param frmat FormatTag (@ref app_usbd_audio_as_iface_format_tag_t)
+ * @param ep_siz Endpoint size
+ * @param type_str Streaming type MIDISTREAMING/AUDIOSTREAMING
+ */
+ #define APP_USBD_AUDIO_INST_CONFIG(user_event_handler, \
+ format_descriptor, \
+ input_descriptor, \
+ output_descriptor, \
+ feature_descriptor, \
+ dlay, \
+ frmat, \
+ ep_siz, \
+ type_str) \
+ .inst = { \
+ .user_ev_handler = user_event_handler, \
+ .p_format_dsc = format_descriptor, \
+ .p_input_dsc = input_descriptor, \
+ .p_output_dsc = output_descriptor, \
+ .p_feature_dsc = feature_descriptor, \
+ .delay = dlay, \
+ .format = frmat, \
+ .ep_size = ep_siz, \
+ .type_streaming = type_str \
+ }
+
+/**
+ * @brief Specific class data for audio class
+ *
+ * @ref app_usbd_audio_ctx_t
+ */
+#define APP_USBD_AUDIO_DATA_SPECIFIC_DEC app_usbd_audio_ctx_t ctx;
+
+
+/**
+ * @brief Audio class descriptors config macro
+ *
+ * @param interface_number Interface number
+ * @param ... Extracted endpoint list
+ */
+#define APP_USBD_AUDIO_DSC_CONFIG(interface_number, ...) { \
+ APP_USBD_AUDIO_INTERFACE_DSC(interface_number, \
+ 0, \
+ 0, \
+ APP_USBD_AUDIO_SUBCLASS_AUDIOCONTROL) \
+ }
+
+/**
+ * @brief Public audio class interface
+ *
+ */
+extern const app_usbd_class_methods_t app_usbd_audio_class_methods;
+
+/**
+ * @brief Global definition of @ref app_usbd_audio_t class
+ *
+ */
+ #define APP_USBD_AUDIO_GLOBAL_DEF_INTERNAL(instance_name, \
+ interfaces_configs, \
+ user_ev_handler, \
+ format_descriptor, \
+ input_descriptor, \
+ output_descriptor, \
+ feature_descriptor, \
+ delay, \
+ format, \
+ ep_size, \
+ type_str) \
+ APP_USBD_CLASS_INST_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_audio, \
+ &app_usbd_audio_class_methods, \
+ interfaces_configs, \
+ (APP_USBD_AUDIO_INST_CONFIG(user_ev_handler, \
+ format_descriptor, \
+ input_descriptor, \
+ output_descriptor, \
+ feature_descriptor, \
+ delay, \
+ format, \
+ ep_size, \
+ type_str)) \
+ )
+
+
+/** @} */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_AUDIO_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h
new file mode 100644
index 0000000..57fd902
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h
@@ -0,0 +1,382 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_AUDIO_TYPES_H__
+#define APP_USBD_AUDIO_TYPES_H__
+
+#include "app_util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_audio_types USB Audio types
+ * @brief @tagAPI52840 Type definitions for the USB Audio class.
+ * @ingroup app_usbd_audio
+ * @{
+ */
+
+/** @brief Audio class definition in interface descriptor
+ *
+ * Fixed value, @ref app_usbd_descriptor_iface_t::bInterfaceClass
+ * */
+#define APP_USBD_AUDIO_CLASS 0x01
+
+/** @brief Audio class protocol definition in interface descriptor
+ *
+ * Fixed value, @ref app_usbd_descriptor_iface_t::bInterfaceProtocol
+ * */
+#define APP_USBD_AUDIO_CLASS_PROTOCOL_UNDEFINED 0x00
+
+/**
+ * @brief Audio subclass possible values
+ *
+ * @ref app_usbd_descriptor_iface_t::bInterfaceSubClass
+ */
+typedef enum {
+ APP_USBD_AUDIO_SUBCLASS_UNDEFINED = 0x00, /**< UNDEFINED subclass */
+ APP_USBD_AUDIO_SUBCLASS_AUDIOCONTROL, /**< AUDIOCONTROL subclass */
+ APP_USBD_AUDIO_SUBCLASS_AUDIOSTREAMING, /**< AUDIOSTREAMING subclass */
+ APP_USBD_AUDIO_SUBCLASS_MIDISTREAMING /**< MIDISTREAMING subclass */
+} app_usbd_audio_subclass_t;
+
+
+/**
+ * @brief Audio class specific descriptor types
+ */
+typedef enum {
+ APP_USBD_AUDIO_DESCRIPTOR_UNDEFINED = 0x20, /**< UNDEFINED descriptor type */
+ APP_USBD_AUDIO_DESCRIPTOR_DEVICE = 0x21, /**< DEVICE descriptor type */
+ APP_USBD_AUDIO_DESCRIPTOR_CONFIGURATION = 0x22, /**< CONFIGURATION descriptor type */
+ APP_USBD_AUDIO_DESCRIPTOR_STRING = 0x23, /**< STRING descriptor type */
+ APP_USBD_AUDIO_DESCRIPTOR_INTERFACE = 0x24, /**< INTERFACE descriptor type */
+ APP_USBD_AUDIO_DESCRIPTOR_ENDPOINT = 0x25, /**< ENDPOINT descriptor type */
+} app_usbd_audio_descriptor_type_t;
+
+
+/**
+ * @brief Audio control interface subtype
+ */
+typedef enum {
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_UNDEFINED = 0x00, /**< Audio control interface subtype UNDEFINED */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_HEADER, /**< Audio control interface subtype HEADER */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_INPUT_TERMINAL, /**< Audio control interface subtype INPUT_TERMINAL */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_OUTPUT_TERNINAL, /**< Audio control interface subtype OUTPUT_TERNINAL */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_MIXER_UNIT, /**< Audio control interface subtype MIXER_UNIT */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_SELECTOR_UNIT, /**< Audio control interface subtype SELECTOR_UNIT */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_FEATURE_UNIT, /**< Audio control interface subtype FEATURE_UNIT */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_PROCESSING_UNIT, /**< Audio control interface subtype PROCESSING_UNIT */
+ APP_USBD_AUDIO_AC_IFACE_SUBTYPE_EXTENSION_UNIT, /**< Audio control interface subtype EXTENSION_UNIT */
+} app_usbd_audio_ac_iface_subtype_t;
+
+/**
+ * @brief Audio streaming interface subtype
+ */
+typedef enum {
+ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_UNDEFINED = 0x00, /**< Audio streaming interface subtype UNDEFINED */
+ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_GENERAL, /**< Audio streaming interface subtype GENERAL */
+ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_TYPE, /**< Audio streaming interface subtype FORMAT_TYPE */
+ APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_SPECIFIC, /**< Audio streaming interface subtype FORMAT_SPECIFIC*/
+} app_usbd_audio_as_iface_subtype_t;
+
+
+/**
+ * @brief Audio class specific endpoint subtypes
+ */
+typedef enum {
+ APP_USBD_AUDIO_EP_SUBTYPE_UNDEFINED = 0x00, /**< APP_USBD_AUDIO_EP_SUBTYPE_UNDEFINED */
+ APP_USBD_AUDIO_EP_SUBTYPE_GENERAL, /**< APP_USBD_AUDIO_EP_SUBTYPE_GENERAL */
+} app_usbd_audio_ep_subtype_t;
+
+/**
+ * @brief Audio class specific requests
+ *
+ * @ref nrf_drv_usbd_setup_t::bmRequestType
+ */
+typedef enum {
+ APP_USBD_AUDIO_REQ_UNDEFINED = 0x00, /**< UNDEFINED request*/
+
+ APP_USBD_AUDIO_REQ_SET_CUR = 0x01, /**< SET_CUR request */
+ APP_USBD_AUDIO_REQ_SET_MIN = 0x02, /**< SET_MIN request */
+ APP_USBD_AUDIO_REQ_SET_MAX = 0x03, /**< SET_MAX request */
+ APP_USBD_AUDIO_REQ_SET_RES = 0x04, /**< SET_RES request */
+ APP_USBD_AUDIO_REQ_SET_MEM = 0x05, /**< SET_MEM request */
+
+ APP_USBD_AUDIO_REQ_GET_CUR = 0x81, /**< GET_CUR request */
+ APP_USBD_AUDIO_REQ_GET_MIN = 0x82, /**< GET_MIN request */
+ APP_USBD_AUDIO_REQ_GET_MAX = 0x83, /**< GET_MAX request */
+ APP_USBD_AUDIO_REQ_GET_RES = 0x84, /**< GET_RES request */
+ APP_USBD_AUDIO_REQ_GET_MEM = 0x85, /**< GET_MEM request */
+
+ APP_USBD_AUDIO_REQ_GET_STAT = 0xFF, /**< GET_STAT request */
+} app_usbd_audio_req_type_t;
+
+/**
+ * @brief Audio class terminal types
+ * */
+typedef enum {
+ /*USB terminals*/
+ APP_USBD_AUDIO_TERMINAL_USB_UNDEFINED = 0x0100, /**< USB_UNDEFINED*/
+ APP_USBD_AUDIO_TERMINAL_USB_STREAMING = 0x0101, /**< USB_STREAMING */
+ APP_USBD_AUDIO_TERMINAL_USB_VENDOR_SPEC = 0x01FF, /**< USB_VENDOR_SPEC*/
+
+ /*Input terminals*/
+ APP_USBD_AUDIO_TERMINAL_IN_UNDEFINED = 0x0200, /**< UNDEFINED */
+ APP_USBD_AUDIO_TERMINAL_IN_MICROPHONE = 0x0201, /**< MICROPHONE */
+ APP_USBD_AUDIO_TERMINAL_IN_DESKTOP_MIC = 0x0202, /**< DESKTOP_MIC */
+ APP_USBD_AUDIO_TERMINAL_IN_PERSONAL_MIC = 0x0203, /**< PERSONAL_MIC */
+ APP_USBD_AUDIO_TERMINAL_IN_OM_DIR_MIC = 0x0204, /**< OM_DIR_MIC */
+ APP_USBD_AUDIO_TERMINAL_IN_MIC_ARRAY = 0x0205, /**< MIC_ARRAY */
+ APP_USBD_AUDIO_TERMINAL_IN_PROC_MIC_ARRAY = 0x0205, /**< PROC_MIC_ARRAY */
+
+ /*Output terminals*/
+ APP_USBD_AUDIO_TERMINAL_OUT_UNDEFINED = 0x0300, /**< UNDEFINED */
+ APP_USBD_AUDIO_TERMINAL_OUT_SPEAKER = 0x0301, /**< SPEAKER */
+ APP_USBD_AUDIO_TERMINAL_OUT_HEADPHONES = 0x0302, /**< HEADPHONES */
+ APP_USBD_AUDIO_TERMINAL_OUT_HEAD_AUDIO = 0x0303, /**< HEAD_AUDIO */
+ APP_USBD_AUDIO_TERMINAL_OUT_DESKTOP_SPEAKER = 0x0304, /**< DESKTOP_SPEAKER */
+ APP_USBD_AUDIO_TERMINAL_OUT_ROOM_SPEAKER = 0x0305, /**< ROOM_SPEAKER */
+ APP_USBD_AUDIO_TERMINAL_OUT_COMM_SPEAKER = 0x0306, /**< COMM_SPEAKER */
+ APP_USBD_AUDIO_TERMINAL_OUT_LOW_FREQ_SPEAKER = 0x0307, /**< LOW_FREQ_SPEAKER */
+
+ /*Input/Output terminals*/
+ APP_USBD_AUDIO_TERMINAL_IO_UNDEFINED = 0x0400, /**< UNDEFINED */
+ APP_USBD_AUDIO_TERMINAL_IO_HANDSET = 0x0401, /**< HANDSET */
+ APP_USBD_AUDIO_TERMINAL_IO_HEADSET = 0x0402, /**< HEADSET */
+ APP_USBD_AUDIO_TERMINAL_IO_SPEAKERPHONE_ECHO_NONE = 0x0403, /**< SPEAKERPHONE_ECHO_NONE */
+ APP_USBD_AUDIO_TERMINAL_IO_SPEAKERPHONE_ECHO_SUP = 0x0404, /**< SPEAKERPHONE_ECHO_SUP */
+ APP_USBD_AUDIO_TERMINAL_IO_SPEAKERPHONE_ECHO_CAN = 0x0405, /**< SPEAKERPHONE_ECHO_CAN */
+} app_usbd_audio_terminal_type_t;
+
+/**
+ * @brief Audio class control interface header descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_HEADER
+ uint8_t bcdADC[2]; //!< BCD ADC
+ uint8_t wTotalLength[2]; //!< Total interfaces length
+ uint8_t bInCollection; //!< Input collection
+ uint8_t baInterfaceNr[]; //!< Interface number list
+} app_usbd_audio_ac_iface_header_desc_t;
+
+
+/**
+ * @brief Possible values of input terminal channel config
+ *
+ * @ref app_usbd_audio_input_terminal_desc_t::wChannelConfig
+ * */
+typedef enum {
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LEFT_FRONT = (1u << 0), /**< Channel config bit LEFT_FRONT */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_RIGHT_FRONT = (1u << 1), /**< Channel config bit RIGHT_FRONT */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_CENTER_FRONT = (1u << 2), /**< Channel config bit CENTER_FRONT */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LOW_FREQ_ENH = (1u << 3), /**< Channel config bit LOW_FREQ_ENH */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LEFT_SURROUND = (1u << 4), /**< Channel config bit LEFT_SURROUND */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_RIGHT_SURROUND = (1u << 5), /**< Channel config bit RIGHT_SURROUND */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LEFT_OF_CENTER = (1u << 6), /**< Channel config bit LEFT_OF_CENTER */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_RIGHT_OF_CENTER = (1u << 7), /**< Channel config bit RIGHT_OF_CENTER */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_SURROUND = (1u << 8), /**< Channel config bit SURROUND */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_SIDE_LEFT = (1u << 9), /**< Channel config bit SIDE_LEFT */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_SIDE_RIGHT = (1u << 10), /**< Channel config bit SIDE_RIGHT */
+ APP_USBD_AUDIO_IN_TERM_CH_CONFIG_TOP = (1u << 11), /**< Channel config bit TOP */
+} app_usbd_audio_in_term_ch_config_t;
+
+/**
+ * @brief Audio class input terminal descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_INPUT_TERMINAL
+ uint8_t bTerminalID; //!< Terminal ID
+ uint8_t wTerminalType[2]; //!< Terminal type
+ uint8_t bAssocTerminal; //!< Association terminal
+ uint8_t bNrChannels; //!< Number of channels
+ uint8_t wChannelConfig[2]; //!< Channel config
+ uint8_t iChannelNames; //!< Channel names
+ uint8_t iTerminal; //!< Terminal string ID
+} app_usbd_audio_input_terminal_desc_t;
+
+/**
+ * @brief Audio class output terminal descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_OUTPUT_TERNINAL
+ uint8_t bTerminalID; //!< Terminal ID
+ uint8_t wTerminalType[2]; //!< Terminal type
+ uint8_t bAssocTerminal; //!< Association terminal
+ uint8_t bSourceID; //!< Source ID
+ uint8_t iTerminal; //!< Terminal string ID
+} app_usbd_audio_output_terminal_desc_t;
+
+/**
+ * @brief Possible values of feature unit control field*/
+typedef enum {
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_MUTE = (1u << 0), /**< Feature unit control bit MUTE */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_VOLUME = (1u << 1), /**< Feature unit control bit VOLUME */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_BASS = (1u << 2), /**< Feature unit control bit BASS */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_MID = (1u << 3), /**< Feature unit control bit MID */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_TREBLE = (1u << 4), /**< Feature unit control bit TREBLE */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_GRAPH_EQ = (1u << 5), /**< Feature unit control bit GRAPH_EQ */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_AUTO_GAIN = (1u << 6), /**< Feature unit control bit AUTO_GAIN */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_DELAY = (1u << 7), /**< Feature unit control bit DELAY */
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_BASS_BOOST = (1u << 8), /**< Feature unit control bit BASS_BOOST*/
+ APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_LOUDNESS = (1u << 9), /**< Feature unit control bit LOUDNESS */
+} app_usbd_audio_feature_unit_control_t;
+
+/**
+ * @brief Audio class feature unit descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_FEATURE_UNIT
+ uint8_t bUnitID; //!< Unit ID
+ uint8_t bSourceID; //!< Source ID
+ uint8_t bControlSize; //!< Control size
+ uint8_t bmaControls[]; //!< Controls array
+} app_usbd_audio_feature_unit_desc_t;
+
+/**
+ * @brief Format tag in audio streaming interface descriptor
+ *
+ * @ref app_usbd_audio_as_iface_desc_t::wFormatTag
+ * */
+typedef enum {
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_TYPE_I_UNDEFINED = 0x0000, /**< AS format TYPE_I_UNDEFINED */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_PCM = 0x0001, /**< AS format PCM */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_PCM8 = 0x0002, /**< AS format PCM8 */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_IEEE_FLOAT = 0x0003, /**< AS format IEEE_FLOAT */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_ALAW = 0x0004, /**< AS format ALAW */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_MULAW = 0x0005, /**< AS format MULAW */
+
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_TYPE_II_UNDEFINED = 0x1000, /**< AS format TYPE_II_UNDEFINED */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_MPEG = 0x1001, /**< AS format MPEG */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_AC3 = 0x1002, /**< AS format AC3 */
+
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_TYPE_III_UNDEFINED = 0x2000, /**< AS format TYPE_III_UNDEFINED */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_AC_3 = 0x2001, /**< AS format IEC1937_AC_3 */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_1_LAYER1 = 0x2002, /**< AS format IEC1937_MPEG_1_LAYER1 */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_NOEXT = 0x2003, /**< AS format IEC1937_MPEG_2_NOEXT */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_EXT = 0x2004, /**< AS format IEC1937_MPEG_2_EXT */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_LAYER1_LS = 0x2005, /**< AS format IEC1937_MPEG_2_LAYER1_LS */
+ APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_LAYER23_LS = 0x2005, /**< AS format IEC1937_MPEG_2_LAYER23_LS */
+} app_usbd_audio_as_iface_format_tag_t;
+
+/**
+ * @brief Audio class audio streaming interface descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_ac_iface_subtype_t
+ uint8_t bTerminalLink; //!< Terminal link
+ uint8_t bDelay; //!< Delay
+ uint8_t wFormatTag[2]; //!< Format TAG
+} app_usbd_audio_as_iface_desc_t;
+
+/**
+ * @brief Audio class audio streaming format type I descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_as_iface_subtype_t
+ uint8_t bFormatType; //!< Format type: fixed value 1
+ uint8_t bNrChannels; //!< Number of channels
+ uint8_t bSubframeSize; //!< Subframe size
+ uint8_t bBitResolution; //!< Bit resolution
+ uint8_t bSamFreqType; //!< Number of supported sampling frequencies
+ uint8_t tSamFreq[]; //!< Number of supported sampling frequencies table (24 bit entries)
+} app_usbd_audio_as_format_type_one_desc_t;
+
+
+/**
+ * @brief Audio class audio streaming format type II descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_as_iface_subtype_t
+ uint8_t bFormatType; //!< Format type: fixed value 2
+ uint8_t wMaxBitRate[2]; //!< Maximum bitrate
+ uint8_t wSamplesPerFrame[2]; //!< Samples per frame
+ uint8_t bSamFreqType; //!< Number of supported sampling frequencies
+ uint8_t tSamFreq[]; //!< Number of supported sampling frequencies table (24 bit entries)
+} app_usbd_audio_as_format_type_two_desc_t;
+
+/**
+ * @brief Audio class audio streaming format type III descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_as_iface_subtype_t
+ uint8_t bFormatType; //!< Format type: fixed value 1
+ uint8_t bNrChannels; //!< Number of channels
+ uint8_t bSubframeSize; //!< Subframe size
+ uint8_t bBitResolution; //!< Bit resolution
+ uint8_t bSamFreqType; //!< Number of supported sampling frequencies
+ uint8_t tSamFreq[]; //!< Number of supported sampling frequencies table (24 bit entries)
+} app_usbd_audio_as_format_type_three_desc_t;
+
+/**
+ * @brief Audio class audio endpoint descriptor
+ */
+typedef struct {
+ uint8_t bLength; //!< Length of the descriptor
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_ENDPOINT
+ uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_EP_SUBTYPE_GENERAL
+ uint8_t bmAttributes; //!< Audio endpoint attributes
+ uint8_t bLockDelayUnits; //!< Lock delay units
+ uint8_t wLockDelay[2]; //!< Lock delay value
+} app_usbd_audio_as_endpoint_desc_t;
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_AUDIO_TYPES_H__ */
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.c
new file mode 100644
index 0000000..3df941c
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.c
@@ -0,0 +1,1190 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_CDC_ACM)
+
+#include "app_usbd_cdc_acm.h"
+#include <inttypes.h>
+
+/**
+ * @defgroup app_usbd_cdc_acm_internal CDC ACM internals
+ * @{
+ * @ingroup app_usbd_cdc
+ * @internal
+ */
+
+
+#define NRF_LOG_MODULE_NAME cdc_acm
+
+#if APP_USBD_CDC_ACM_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL APP_USBD_CDC_ACM_CONFIG_LOG_LEVEL
+#define NRF_LOG_INFO_COLOR APP_USBD_CDC_ACM_CONFIG_INFO_COLOR
+#define NRF_LOG_DEBUG_COLOR APP_USBD_CDC_ACM_CONFIG_DEBUG_COLOR
+#else //APP_USBD_CDC_ACM_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL 0
+#endif //APP_USBD_CDC_ACM_CONFIG_LOG_ENABLED
+#include "nrf_log.h"
+NRF_LOG_MODULE_REGISTER();
+
+#define APP_USBD_CDC_ACM_COMM_IFACE_IDX 0 /**< CDC ACM class comm interface index. */
+#define APP_USBD_CDC_ACM_DATA_IFACE_IDX 1 /**< CDC ACM class data interface index. */
+
+#define APP_USBD_CDC_ACM_COMM_EPIN_IDX 0 /**< CDC ACM comm class endpoint IN index. */
+#define APP_USBD_CDC_ACM_DATA_EPIN_IDX 0 /**< CDC ACM data class endpoint IN index. */
+#define APP_USBD_CDC_ACM_DATA_EPOUT_IDX 1 /**< CDC ACM data class endpoint OUT index. */
+
+/**
+ * @brief Auxiliary function to access cdc_acm class instance data.
+ *
+ * @param[in] p_inst Class instance data.
+ *
+ * @return CDC ACM class instance.
+ */
+static inline app_usbd_cdc_acm_t const * cdc_acm_get(app_usbd_class_inst_t const * p_inst)
+{
+ ASSERT(p_inst != NULL);
+ return (app_usbd_cdc_acm_t const *)p_inst;
+}
+
+/**
+ * @brief Auxiliary function to access cdc_acm class context data.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance data.
+ *
+ * @return CDC ACM class instance context.
+ */
+static inline app_usbd_cdc_acm_ctx_t * cdc_acm_ctx_get(app_usbd_cdc_acm_t const * p_cdc_acm)
+{
+ ASSERT(p_cdc_acm != NULL);
+ ASSERT(p_cdc_acm->specific.p_data != NULL);
+ return &p_cdc_acm->specific.p_data->ctx;
+}
+
+/**
+ * @brief User event handler.
+ *
+ * @param[in] p_inst Class instance.
+ * @param[in] event user Event type.
+ */
+static inline void user_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_cdc_acm_user_event_t event)
+{
+ app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst);
+ if (p_cdc_acm->specific.inst.user_ev_handler != NULL)
+ {
+ p_cdc_acm->specific.inst.user_ev_handler(p_inst, event);
+ }
+}
+
+/**
+ * @brief Auxiliary function to access CDC ACM COMM IN endpoint address.
+ *
+ * @param[in] p_inst Class instance data.
+ *
+ * @return IN endpoint address.
+ */
+static inline nrf_drv_usbd_ep_t comm_ep_in_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_CDC_ACM_COMM_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_CDC_ACM_COMM_EPIN_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+/**
+ * @brief Auxiliary function to access CDC ACM DATA IN endpoint address.
+ *
+ * @param[in] p_inst Class instance data.
+ *
+ * @return IN endpoint address.
+ */
+static inline nrf_drv_usbd_ep_t data_ep_in_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_CDC_ACM_DATA_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_CDC_ACM_DATA_EPIN_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+/**
+ * @brief Auxiliary function to access CDC ACM DATA OUT endpoint address.
+ *
+ * @param[in] p_inst Class instance data.
+ *
+ * @return OUT endpoint address.
+ */
+static inline nrf_drv_usbd_ep_t data_ep_out_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_CDC_ACM_DATA_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_CDC_ACM_DATA_EPOUT_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+/**
+ * @brief Internal SETUP standard IN request handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_std_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ /* Only Get Descriptor standard IN request is supported by CDC class */
+ if ((app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQREC_INTERFACE)
+ &&
+ (p_setup_ev->setup.bmRequest == APP_USBD_SETUP_STDREQ_GET_DESCRIPTOR))
+ {
+ size_t dsc_len = 0;
+ size_t max_size;
+
+ uint8_t * p_trans_buff = app_usbd_core_setup_transfer_buff_get(&max_size);
+
+ /* Try to find descriptor in class internals*/
+ ret_code_t ret = app_usbd_class_descriptor_find(
+ p_inst,
+ p_setup_ev->setup.wValue.hb,
+ p_setup_ev->setup.wValue.lb,
+ p_trans_buff,
+ &dsc_len);
+
+ if (ret != NRF_ERROR_NOT_FOUND)
+ {
+ ASSERT(dsc_len < NRF_DRV_USBD_EPSIZE);
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_trans_buff, dsc_len);
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP standard OUT request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_std_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP class IN request handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_class_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst);
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_CDC_REQ_GET_LINE_CODING:
+ {
+ if (p_setup_ev->setup.wLength.w != sizeof(app_usbd_cdc_line_coding_t))
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ return app_usbd_core_setup_rsp(&p_setup_ev->setup,
+ &p_cdc_acm_ctx->line_coding,
+ sizeof(app_usbd_cdc_line_coding_t));
+ }
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Class specific OUT request data callback.
+ *
+ * @param status Endpoint status.
+ * @param p_context Context of transfer (set by @ref app_usbd_core_setup_data_handler_set).
+ *
+ * @return Standard error code.
+ */
+static ret_code_t cdc_acm_req_out_data_cb(nrf_drv_usbd_ep_status_t status, void * p_context)
+{
+ if (status != NRF_USBD_EP_OK)
+ {
+ return NRF_ERROR_INTERNAL;
+ }
+
+ app_usbd_cdc_acm_t const * p_cdc_acm = p_context;
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ switch (p_cdc_acm_ctx->request.type)
+ {
+ case APP_USBD_CDC_REQ_SET_LINE_CODING:
+ {
+ memcpy(&p_cdc_acm_ctx->line_coding,
+ &p_cdc_acm_ctx->request.payload.line_coding,
+ sizeof(app_usbd_cdc_line_coding_t));
+
+ NRF_LOG_INFO("REQ_SET_LINE_CODING: baudrate: %"PRIu32", databits: %u, "
+ "format: %u, parity: %u",
+ uint32_decode(p_cdc_acm_ctx->line_coding.dwDTERate),
+ p_cdc_acm_ctx->line_coding.bDataBits,
+ p_cdc_acm_ctx->line_coding.bCharFormat,
+ p_cdc_acm_ctx->line_coding.bParityType);
+ break;
+ }
+ default:
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+/**
+ * @brief Class specific request data stage setup.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t cdc_acm_req_out_datastage(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst);
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ p_cdc_acm_ctx->request.type = p_setup_ev->setup.bmRequest;
+ p_cdc_acm_ctx->request.len = p_setup_ev->setup.wLength.w;
+
+ /*Request setup data*/
+ NRF_DRV_USBD_TRANSFER_OUT(transfer,
+ &p_cdc_acm_ctx->request.payload,
+ p_cdc_acm_ctx->request.len);
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = app_usbd_ep_transfer(NRF_DRV_USBD_EPOUT0, &transfer);
+ if (ret == NRF_SUCCESS)
+ {
+ const app_usbd_core_setup_data_handler_desc_t desc = {
+ .handler = cdc_acm_req_out_data_cb,
+ .p_context = (void*)p_cdc_acm
+ };
+
+ ret = app_usbd_core_setup_data_handler_set(NRF_DRV_USBD_EPOUT0, &desc);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+/**
+ * @brief Reset port to default state.
+ *
+ * @param p_inst Generic class instance.
+ */
+static void cdc_acm_reset_port(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst);
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ p_cdc_acm_ctx->line_state = 0;
+
+ // Set rx transfers configuration to default state.
+ p_cdc_acm_ctx->rx_transfer[0].p_buf = NULL;
+ p_cdc_acm_ctx->rx_transfer[1].p_buf = NULL;
+ p_cdc_acm_ctx->bytes_left = 0;
+ p_cdc_acm_ctx->bytes_read = 0;
+ p_cdc_acm_ctx->last_read = 0;
+ p_cdc_acm_ctx->cur_read = 0;
+ p_cdc_acm_ctx->p_copy_pos = p_cdc_acm_ctx->internal_rx_buf;
+}
+
+/**
+ * @brief Internal SETUP class OUT request handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_class_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst);
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_CDC_REQ_SET_LINE_CODING:
+ {
+ if (p_setup_ev->setup.wLength.w != sizeof(app_usbd_cdc_line_coding_t))
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ return cdc_acm_req_out_datastage(p_inst, p_setup_ev);
+ }
+ case APP_USBD_CDC_REQ_SET_CONTROL_LINE_STATE:
+ {
+ if (p_setup_ev->setup.wLength.w != 0)
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ NRF_LOG_INFO("REQ_SET_CONTROL_LINE_STATE: 0x%x", p_setup_ev->setup.wValue.w);
+
+ bool old_dtr = (p_cdc_acm_ctx->line_state & APP_USBD_CDC_ACM_LINE_STATE_DTR) ?
+ true : false;
+ p_cdc_acm_ctx->line_state = p_setup_ev->setup.wValue.w;
+
+ bool new_dtr = (p_cdc_acm_ctx->line_state & APP_USBD_CDC_ACM_LINE_STATE_DTR) ?
+ true : false;
+
+ if (old_dtr == new_dtr)
+ {
+ return NRF_SUCCESS;
+ }
+
+ const app_usbd_cdc_acm_user_event_t ev = new_dtr ?
+ APP_USBD_CDC_ACM_USER_EVT_PORT_OPEN : APP_USBD_CDC_ACM_USER_EVT_PORT_CLOSE;
+
+ user_event_handler(p_inst, ev);
+
+ if (!new_dtr)
+ {
+ /*Abort DATA endpoints on port close */
+ nrf_drv_usbd_ep_t ep;
+ ep = data_ep_in_addr_get(p_inst);
+ nrf_drv_usbd_ep_abort(ep);
+ ep = data_ep_out_addr_get(p_inst);
+ nrf_drv_usbd_ep_abort(ep);
+
+ // Set rx transfers configuration to default state.
+ p_cdc_acm_ctx->rx_transfer[0].p_buf = NULL;
+ p_cdc_acm_ctx->rx_transfer[1].p_buf = NULL;
+ p_cdc_acm_ctx->bytes_left = 0;
+ p_cdc_acm_ctx->bytes_read = 0;
+ p_cdc_acm_ctx->last_read = 0;
+ p_cdc_acm_ctx->cur_read = 0;
+ p_cdc_acm_ctx->p_copy_pos = p_cdc_acm_ctx->internal_rx_buf;
+ }
+
+ return NRF_SUCCESS;
+ }
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Control endpoint handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_setup_ev != NULL);
+
+ if (app_usbd_setup_req_dir(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQDIR_IN)
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_in(p_inst, p_setup_ev);
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_in(p_inst, p_setup_ev);
+ default:
+ break;
+ }
+ }
+ else /*APP_USBD_SETUP_REQDIR_OUT*/
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_out(p_inst, p_setup_ev);
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_out(p_inst, p_setup_ev);
+ default:
+ break;
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief CDC ACM consumer
+ *
+ * @note See @ref nrf_drv_usbd_consumer_t
+ */
+static bool cdc_acm_consumer(nrf_drv_usbd_ep_transfer_t * p_next,
+ void * p_context,
+ size_t ep_size,
+ size_t data_size)
+{
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = (app_usbd_cdc_acm_ctx_t *) p_context;
+ p_next->size = data_size;
+
+ if (data_size <= p_cdc_acm_ctx->rx_transfer[0].read_left)
+ {
+ p_next->p_data.rx = p_cdc_acm_ctx->rx_transfer[0].p_buf;
+
+ p_cdc_acm_ctx->rx_transfer[0].p_buf += data_size;
+ p_cdc_acm_ctx->bytes_read += data_size;
+ p_cdc_acm_ctx->rx_transfer[0].read_left -= data_size;
+ NRF_LOG_DEBUG("Received %d bytes. Space left in user buffer: %d bytes.",
+ data_size,
+ p_cdc_acm_ctx->rx_transfer[0].read_left);
+ return (p_cdc_acm_ctx->rx_transfer[0].read_left) != 0;
+ }
+ else
+ {
+ p_next->p_data.rx = p_cdc_acm_ctx->internal_rx_buf;
+
+ p_cdc_acm_ctx->cur_read = data_size;
+ NRF_LOG_DEBUG("Received %d bytes. Stored in internal buffer.", data_size);
+ return false;
+ }
+}
+
+/**
+ * @brief CDC ACM single transfer consumer
+ *
+ * This function finalizes transfer after any received block
+ *
+ * @note See @ref nrf_drv_usbd_consumer_t
+ */
+static bool cdc_acm_single_shoot_consumer(nrf_drv_usbd_ep_transfer_t * p_next,
+ void * p_context,
+ size_t ep_size,
+ size_t data_size)
+{
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = (app_usbd_cdc_acm_ctx_t *) p_context;
+ p_next->size = data_size;
+
+ if (data_size <= p_cdc_acm_ctx->rx_transfer[0].read_left)
+ {
+ p_next->p_data.rx = p_cdc_acm_ctx->rx_transfer[0].p_buf;
+
+ p_cdc_acm_ctx->bytes_read = data_size;
+ p_cdc_acm_ctx->rx_transfer[0].read_left = data_size;
+ NRF_LOG_DEBUG("Received %d bytes. Space left in user buffer: %d bytes.",
+ data_size,
+ p_cdc_acm_ctx->rx_transfer[0].read_left);
+ }
+ else
+ {
+ p_next->p_data.rx = p_cdc_acm_ctx->internal_rx_buf;
+ p_cdc_acm_ctx->cur_read = data_size;
+ NRF_LOG_DEBUG("Received %d bytes. Stored in internal buffer.", data_size);
+ }
+
+ return false;
+}
+
+/**
+ * @brief Manage switching between user buffers and copying data from internal buffer.
+ *
+ * @param p_inst Generic USB class instance.
+ *
+ * @return Standard error code
+ */
+static ret_code_t cdc_acm_rx_block_finished(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst);
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+ nrf_drv_usbd_ep_t ep = data_ep_out_addr_get(p_inst);
+
+ nrf_drv_usbd_handler_desc_t handler_desc = {
+ .handler.consumer = cdc_acm_consumer,
+ .p_context = p_cdc_acm_ctx
+ };
+
+ if (p_cdc_acm_ctx->rx_transfer[0].read_left == 0) // Buffer completely filled by consumer
+ {
+ p_cdc_acm_ctx->last_read = p_cdc_acm_ctx->bytes_read;
+ p_cdc_acm_ctx->bytes_read = 0;
+ p_cdc_acm_ctx->bytes_left = 0;
+
+ if (p_cdc_acm_ctx->rx_transfer[1].p_buf != NULL)
+ {
+ p_cdc_acm_ctx->rx_transfer[0] = p_cdc_acm_ctx->rx_transfer[1];
+ p_cdc_acm_ctx->rx_transfer[1].p_buf = NULL;
+ return app_usbd_ep_handled_transfer(ep, &handler_desc);
+ }
+ else
+ {
+ p_cdc_acm_ctx->rx_transfer[0].p_buf = NULL;
+ return NRF_SUCCESS;
+ }
+ }
+
+ size_t bytes_read = p_cdc_acm_ctx->cur_read;
+ size_t bytes_to_cpy = bytes_read;
+
+ if (bytes_read > p_cdc_acm_ctx->rx_transfer[0].read_left)
+ {
+ bytes_to_cpy = p_cdc_acm_ctx->rx_transfer[0].read_left;
+ }
+ memcpy(p_cdc_acm_ctx->rx_transfer[0].p_buf,
+ p_cdc_acm_ctx->internal_rx_buf,
+ bytes_to_cpy);
+
+ // First buffer is full
+ p_cdc_acm_ctx->last_read = p_cdc_acm_ctx->bytes_read + bytes_to_cpy;
+ p_cdc_acm_ctx->bytes_read = 0;
+ p_cdc_acm_ctx->bytes_left = bytes_read - bytes_to_cpy;
+ p_cdc_acm_ctx->p_copy_pos = p_cdc_acm_ctx->internal_rx_buf + bytes_to_cpy;
+
+ if (p_cdc_acm_ctx->rx_transfer[1].p_buf != NULL)
+ {
+ // If there is second transfer, copy it to first
+ p_cdc_acm_ctx->rx_transfer[0] = p_cdc_acm_ctx->rx_transfer[1];
+ p_cdc_acm_ctx->rx_transfer[1].p_buf = NULL;
+
+ while (p_cdc_acm_ctx->bytes_left > 0)
+ {
+
+ if (p_cdc_acm_ctx->bytes_left >= p_cdc_acm_ctx->rx_transfer[0].read_left)
+ {
+ // If there are enough bytes left in internal buffer to completely fill next transfer,
+ // we call user event handler to obtain next buffer and continue double buffering.
+ memcpy(p_cdc_acm_ctx->rx_transfer[0].p_buf,
+ p_cdc_acm_ctx->p_copy_pos,
+ p_cdc_acm_ctx->rx_transfer[0].read_left);
+
+ p_cdc_acm_ctx->bytes_left -= p_cdc_acm_ctx->rx_transfer[0].read_left;
+ p_cdc_acm_ctx->p_copy_pos += p_cdc_acm_ctx->rx_transfer[0].read_left;
+ p_cdc_acm_ctx->last_read = p_cdc_acm_ctx->rx_transfer[0].read_left;
+ user_event_handler(p_inst, APP_USBD_CDC_ACM_USER_EVT_RX_DONE);
+
+ if (p_cdc_acm_ctx->rx_transfer[1].p_buf != NULL)
+ {
+ p_cdc_acm_ctx->rx_transfer[0] = p_cdc_acm_ctx->rx_transfer[1];
+ p_cdc_acm_ctx->rx_transfer[1].p_buf = NULL;
+ }
+ else
+ {
+ // If user does not specify a second buffer, all data transfers are done
+ // and data left in internal buffer is lost.
+ p_cdc_acm_ctx->rx_transfer[0].p_buf = NULL;
+ break;
+ }
+ }
+ else
+ {
+ memcpy(p_cdc_acm_ctx->rx_transfer[0].p_buf,
+ p_cdc_acm_ctx->p_copy_pos,
+ p_cdc_acm_ctx->bytes_left);
+ p_cdc_acm_ctx->bytes_read = p_cdc_acm_ctx->bytes_left;
+
+ p_cdc_acm_ctx->rx_transfer[0].read_left -= p_cdc_acm_ctx->bytes_left;
+ p_cdc_acm_ctx->rx_transfer[0].p_buf += p_cdc_acm_ctx->bytes_left;
+ break;
+ }
+ }
+
+
+ }
+ else
+ {
+ p_cdc_acm_ctx->rx_transfer[0].p_buf = NULL;
+ }
+
+ if (p_cdc_acm_ctx->rx_transfer[0].p_buf != NULL)
+ {
+ return app_usbd_ep_handled_transfer(ep, &handler_desc);
+ }
+ return NRF_SUCCESS;
+}
+
+/**
+ * @brief Class specific endpoint transfer handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t cdc_acm_endpoint_ev(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ if (comm_ep_in_addr_get(p_inst) == p_event->drv_evt.data.eptransfer.ep)
+ {
+ NRF_LOG_INFO("EPIN_COMM: notify");
+ return NRF_SUCCESS;
+ }
+ ret_code_t ret;
+ if (NRF_USBD_EPIN_CHECK(p_event->drv_evt.data.eptransfer.ep))
+ {
+ switch (p_event->drv_evt.data.eptransfer.status)
+ {
+ case NRF_USBD_EP_OK:
+ NRF_LOG_INFO("EPIN_DATA: %02x done", p_event->drv_evt.data.eptransfer.ep);
+ user_event_handler(p_inst, APP_USBD_CDC_ACM_USER_EVT_TX_DONE);
+ return NRF_SUCCESS;
+ case NRF_USBD_EP_ABORTED:
+ return NRF_SUCCESS;
+ default:
+ return NRF_ERROR_INTERNAL;
+ }
+ }
+
+ if (NRF_USBD_EPOUT_CHECK(p_event->drv_evt.data.eptransfer.ep))
+ {
+ switch (p_event->drv_evt.data.eptransfer.status)
+ {
+ case NRF_USBD_EP_OK:
+ ret = cdc_acm_rx_block_finished(p_inst);
+ NRF_LOG_INFO("EPOUT_DATA: %02x done", p_event->drv_evt.data.eptransfer.ep);
+ user_event_handler(p_inst, APP_USBD_CDC_ACM_USER_EVT_RX_DONE);
+ return ret;
+ case NRF_USBD_EP_WAITING:
+ case NRF_USBD_EP_ABORTED:
+ return NRF_SUCCESS;
+ default:
+ return NRF_ERROR_INTERNAL;
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief @ref app_usbd_class_methods_t::event_handler
+ */
+static ret_code_t cdc_acm_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_event != NULL);
+
+ ret_code_t ret = NRF_SUCCESS;
+ switch (p_event->app_evt.type)
+ {
+ case APP_USBD_EVT_DRV_SOF:
+ break;
+ case APP_USBD_EVT_DRV_RESET:
+ cdc_acm_reset_port(p_inst);
+ break;
+ case APP_USBD_EVT_DRV_SETUP:
+ ret = setup_event_handler(p_inst, (app_usbd_setup_evt_t const *)p_event);
+ break;
+ case APP_USBD_EVT_DRV_EPTRANSFER:
+ ret = cdc_acm_endpoint_ev(p_inst, p_event);
+ break;
+ case APP_USBD_EVT_DRV_SUSPEND:
+ break;
+ case APP_USBD_EVT_DRV_RESUME:
+ break;
+ case APP_USBD_EVT_INST_APPEND:
+ break;
+ case APP_USBD_EVT_INST_REMOVE:
+ break;
+ case APP_USBD_EVT_STARTED:
+ break;
+ case APP_USBD_EVT_STOPPED:
+ break;
+ case APP_USBD_EVT_POWER_REMOVED:
+ cdc_acm_reset_port(p_inst);
+ break;
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ return ret;
+}
+
+
+static bool cdc_acm_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static uint8_t ifaces = 0;
+ ifaces = app_usbd_class_iface_count_get(p_inst);
+ app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ /* INTERFACE ASSOCIATION DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x08); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE_ASSOCIATION); // bDescriptorType = Interface Association
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_cdc_acm->specific.inst.comm_interface); // bFirstInterface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x02); // bInterfaceCount
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_COMM_CLASS); // bFunctionClass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_SUBCLASS_ACM); // bFunctionSubClass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_cdc_acm->specific.inst.protocol); // bFunctionProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iFunction
+
+ static uint8_t i = 0;
+
+ for (i = 0; i < ifaces; i++)
+ {
+ /* INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+
+ static app_usbd_class_iface_conf_t const * p_cur_iface = NULL;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, i);
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_ep_count_get(p_cur_iface)); // bNumEndpoints
+
+ if (p_cdc_acm->specific.inst.comm_interface == app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_COMM_CLASS); // bInterfaceClass = CDC COMM
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_SUBCLASS_ACM); // bInterfaceSubclass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_cdc_acm->specific.inst.protocol); // bInterfaceProtocol
+ }
+ else if (p_cdc_acm->specific.inst.data_interface ==
+ app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_DATA_CLASS); // bInterfaceClass = CDC DATA
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bInterfaceSubclass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bInterfaceProtocol
+ }
+ else
+ {
+ ASSERT(0);
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ if (p_cdc_acm->specific.inst.comm_interface == app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ /* HEADER DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x05); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_CS_INTERFACE); // bDescriptorType = Class Specific Interface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_SCS_HEADER); // bDescriptorSubtype = Header Functional Descriptor
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x10); // bcdCDC LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x01); // bcdCDC MSB
+
+ /* CALL MANAGEMENT DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x05); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_CS_INTERFACE); // bDescriptorType = Class Specific Interface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_SCS_CALL_MGMT); // bDescriptorSubtype = Call Management Functional Descriptor
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x03); // bmCapabilities
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_cdc_acm->specific.inst.data_interface); // bDataInterface
+
+ /* ABSTRACT CONTROL MANAGEMENT DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x04); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_CS_INTERFACE); // bDescriptorType = Class Specific Interface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_SCS_ACM); // bDescriptorSubtype = Abstract Control Management Functional Descriptor
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x02); // bmCapabilities
+
+ /* UNION DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x05);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_CS_INTERFACE); // bDescriptorType = Class Specific Interface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_CDC_SCS_UNION); // bDescriptorSubtype = Union Functional Descriptor
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_cdc_acm->specific.inst.comm_interface); // bControlInterface
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_cdc_acm->specific.inst.data_interface); // bSubordinateInterface
+ }
+ else if (p_cdc_acm->specific.inst.data_interface ==
+ app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ ;
+ }
+ else
+ {
+ ASSERT(0);
+ }
+
+ /* ENDPOINT DESCRIPTORS */
+ static uint8_t endpoints = 0;
+ endpoints = app_usbd_class_iface_ep_count_get(p_cur_iface);
+
+ static uint8_t j = 0;
+
+ for (j = 0; j < endpoints; j++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x07); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_ENDPOINT); // bDescriptorType = Endpoint
+
+ static app_usbd_class_ep_conf_t const * p_cur_ep = NULL;
+ p_cur_ep = app_usbd_class_iface_ep_get(p_cur_iface, j);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_ep_address_get(p_cur_ep)); // bEndpointAddress
+
+ if (p_cdc_acm->specific.inst.comm_interface ==
+ app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_INTERRUPT); // bmAttributes
+ }
+ else if (p_cdc_acm->specific.inst.data_interface ==
+ app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK); // bmAttributes
+ }
+ else
+ {
+ ASSERT(0);
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize MSB
+
+ if (p_cdc_acm->specific.inst.comm_interface ==
+ app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(16); // bInterval
+ }
+ else if (p_cdc_acm->specific.inst.data_interface ==
+ app_usbd_class_iface_number_get(p_cur_iface))
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bInterval
+ }
+ else
+ {
+ ASSERT(0);
+ }
+
+ }
+
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+/**
+ * @brief Public cdc_acm class interface
+ *
+ */
+const app_usbd_class_methods_t app_usbd_cdc_acm_class_methods = {
+ .event_handler = cdc_acm_event_handler,
+ .feed_descriptors = cdc_acm_feed_descriptors,
+};
+
+/** @} */
+
+ret_code_t app_usbd_cdc_acm_write(app_usbd_cdc_acm_t const * p_cdc_acm,
+ const void * p_buf,
+ size_t length)
+{
+ app_usbd_class_inst_t const * p_inst = app_usbd_cdc_acm_class_inst_get(p_cdc_acm);
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ bool dtr_state = (p_cdc_acm_ctx->line_state & APP_USBD_CDC_ACM_LINE_STATE_DTR) ?
+ true : false;
+ if (!dtr_state)
+ {
+ /*Port is not opened*/
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+ nrf_drv_usbd_ep_t ep = data_ep_in_addr_get(p_inst);
+ NRF_DRV_USBD_TRANSFER_IN(transfer, p_buf, length);
+ return app_usbd_ep_transfer(ep, &transfer);
+}
+
+size_t app_usbd_cdc_acm_rx_size(app_usbd_cdc_acm_t const * p_cdc_acm)
+{
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ return p_cdc_acm_ctx->last_read;
+}
+
+size_t app_usbd_cdc_acm_bytes_stored(app_usbd_cdc_acm_t const * p_cdc_acm)
+{
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ return p_cdc_acm_ctx->bytes_left;
+}
+
+ret_code_t app_usbd_cdc_acm_read(app_usbd_cdc_acm_t const * p_cdc_acm,
+ void * p_buf,
+ size_t length)
+{
+ ASSERT(p_buf != NULL);
+ ret_code_t ret;
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ if (0U == (p_cdc_acm_ctx->line_state & APP_USBD_CDC_ACM_LINE_STATE_DTR))
+ {
+ /*Port is not opened*/
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+#if (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+ CRITICAL_REGION_ENTER();
+#endif // (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+
+ if (p_cdc_acm_ctx->rx_transfer[0].p_buf == NULL)
+ {
+ if (p_cdc_acm_ctx->bytes_left >= length)
+ {
+ memcpy(p_buf, p_cdc_acm_ctx->p_copy_pos, length);
+ p_cdc_acm_ctx->bytes_left -= length;
+ p_cdc_acm_ctx->p_copy_pos += length;
+ p_cdc_acm_ctx->last_read = length;
+ ret = NRF_SUCCESS;
+ }
+ else
+ {
+ p_cdc_acm_ctx->rx_transfer[0].p_buf = p_buf;
+ p_cdc_acm_ctx->rx_transfer[0].read_left = length;
+ nrf_drv_usbd_ep_t ep = data_ep_out_addr_get(app_usbd_cdc_acm_class_inst_get(p_cdc_acm));
+ nrf_drv_usbd_handler_desc_t const handler_desc = {
+ .handler.consumer = cdc_acm_consumer,
+ .p_context = p_cdc_acm_ctx
+ };
+
+ if (p_cdc_acm_ctx->bytes_left > 0)
+ {
+ memcpy(p_cdc_acm_ctx->rx_transfer[0].p_buf,
+ p_cdc_acm_ctx->p_copy_pos,
+ p_cdc_acm_ctx->bytes_left);
+ p_cdc_acm_ctx->rx_transfer[0].read_left -= p_cdc_acm_ctx->bytes_left;
+ p_cdc_acm_ctx->rx_transfer[0].p_buf += p_cdc_acm_ctx->bytes_left;
+ p_cdc_acm_ctx->bytes_read = p_cdc_acm_ctx->bytes_left;
+ p_cdc_acm_ctx->bytes_left = 0;
+
+ }
+ ret = app_usbd_ep_handled_transfer(ep, &handler_desc);
+ if (ret == NRF_SUCCESS)
+ {
+ ret = NRF_ERROR_IO_PENDING;
+ }
+ }
+ }
+ else if (p_cdc_acm_ctx->rx_transfer[1].p_buf == NULL)
+ {
+ p_cdc_acm_ctx->rx_transfer[1].p_buf = p_buf;
+ p_cdc_acm_ctx->rx_transfer[1].read_left = length;
+ ret = NRF_ERROR_IO_PENDING;
+ }
+ else
+ {
+ ret = NRF_ERROR_BUSY;
+ }
+#if (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+ CRITICAL_REGION_EXIT();
+#endif // (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+
+ return ret;
+}
+
+ret_code_t app_usbd_cdc_acm_read_any(app_usbd_cdc_acm_t const * p_cdc_acm,
+ void * p_buf,
+ size_t length)
+{
+ ASSERT(p_buf != NULL);
+ ret_code_t ret;
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ if (0U == (p_cdc_acm_ctx->line_state & APP_USBD_CDC_ACM_LINE_STATE_DTR))
+ {
+ /*Port is not opened*/
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+#if (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+ CRITICAL_REGION_ENTER();
+#endif // (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+ if (p_cdc_acm_ctx->bytes_left > 0)
+ {
+ size_t to_copy = MIN(length, p_cdc_acm_ctx->bytes_left);
+ memcpy(p_buf, p_cdc_acm_ctx->p_copy_pos, to_copy);
+ p_cdc_acm_ctx->bytes_left -= to_copy;
+ p_cdc_acm_ctx->p_copy_pos += to_copy;
+ p_cdc_acm_ctx->last_read = to_copy;
+ ret = NRF_SUCCESS;
+ }
+ else
+ {
+ if (p_cdc_acm_ctx->rx_transfer[0].p_buf == NULL)
+ {
+ p_cdc_acm_ctx->rx_transfer[0].p_buf = p_buf;
+ p_cdc_acm_ctx->rx_transfer[0].read_left = length;
+ nrf_drv_usbd_ep_t ep = data_ep_out_addr_get(app_usbd_cdc_acm_class_inst_get(p_cdc_acm));
+ nrf_drv_usbd_handler_desc_t const handler_desc = {
+ .handler.consumer = cdc_acm_single_shoot_consumer,
+ .p_context = p_cdc_acm_ctx
+ };
+
+ ret = app_usbd_ep_handled_transfer(ep, &handler_desc);
+ if (ret == NRF_SUCCESS)
+ {
+ ret = NRF_ERROR_IO_PENDING;
+ }
+ }
+ else
+ {
+ ret = NRF_ERROR_BUSY;
+ }
+ }
+
+#if (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+ CRITICAL_REGION_EXIT();
+#endif // (APP_USBD_CONFIG_EVENT_QUEUE_ENABLE == 0)
+
+ return ret;
+}
+
+static ret_code_t cdc_acm_serial_state_notify(app_usbd_cdc_acm_t const * p_cdc_acm)
+{
+ app_usbd_class_inst_t const * p_inst = app_usbd_cdc_acm_class_inst_get(p_cdc_acm);
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ nrf_drv_usbd_ep_t ep = comm_ep_in_addr_get(p_inst);
+
+ NRF_DRV_USBD_TRANSFER_OUT(transfer,
+ &p_cdc_acm_ctx->request.payload,
+ sizeof(app_usbd_cdc_acm_notify_t));
+ return app_usbd_ep_transfer(ep, &transfer);
+}
+
+ret_code_t app_usbd_cdc_acm_serial_state_notify(app_usbd_cdc_acm_t const * p_cdc_acm,
+ app_usbd_cdc_acm_serial_state_t serial_state,
+ bool value)
+{
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = NRF_SUCCESS;
+ switch (serial_state)
+ {
+ case APP_USBD_CDC_ACM_SERIAL_STATE_DCD:
+ case APP_USBD_CDC_ACM_SERIAL_STATE_DSR:
+ case APP_USBD_CDC_ACM_SERIAL_STATE_BREAK:
+ case APP_USBD_CDC_ACM_SERIAL_STATE_RING:
+ case APP_USBD_CDC_ACM_SERIAL_STATE_FRAMING:
+ case APP_USBD_CDC_ACM_SERIAL_STATE_PARITY:
+ case APP_USBD_CDC_ACM_SERIAL_STATE_OVERRUN:
+
+ if (value)
+ {
+ p_cdc_acm_ctx->serial_state |= serial_state;
+ }
+ else
+ {
+ p_cdc_acm_ctx->serial_state &= ~serial_state;
+ }
+
+ break;
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ if (ret == NRF_SUCCESS)
+ {
+ app_usbd_cdc_acm_notify_t * notify = &p_cdc_acm_ctx->request.payload.notify;
+ notify->cdc_notify.bmRequestType = app_usbd_setup_req_val(APP_USBD_SETUP_REQREC_INTERFACE,
+ APP_USBD_SETUP_REQTYPE_CLASS,
+ APP_USBD_SETUP_REQDIR_IN);
+ notify->cdc_notify.bmRequest = APP_USBD_CDC_NOTIF_SERIAL_STATE;
+ notify->cdc_notify.wValue = 0;
+ notify->cdc_notify.wIndex = 0;
+ notify->cdc_notify.wLength = sizeof(notify->serial_state);
+
+ notify->serial_state = p_cdc_acm_ctx->serial_state;
+
+ ret = cdc_acm_serial_state_notify(p_cdc_acm);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+ret_code_t app_usbd_cdc_acm_line_state_get(app_usbd_cdc_acm_t const * p_cdc_acm,
+ app_usbd_cdc_acm_line_state_t line_state,
+ uint32_t * value)
+{
+ app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm);
+
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = NRF_SUCCESS;
+ switch (line_state)
+ {
+ case APP_USBD_CDC_ACM_LINE_STATE_DTR:
+ case APP_USBD_CDC_ACM_LINE_STATE_RTS:
+ *value = (p_cdc_acm_ctx->line_state & line_state) != 0;
+ break;
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_CDC_ACM)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.h
new file mode 100644
index 0000000..5af0226
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.h
@@ -0,0 +1,362 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_CDC_ACM_H__
+#define APP_USBD_CDC_ACM_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_descriptor.h"
+
+#include "app_usbd_cdc_desc.h"
+#include "app_usbd_cdc_types.h"
+#include "app_usbd_cdc_acm_internal.h"
+
+/**
+ * @defgroup app_usbd_cdc_acm USB CDC ACM class
+ * @ingroup app_usbd
+ *
+ * @brief @tagAPI52840 Module with types, definitions and API used by CDC ACM class.
+ *
+ * @details References:
+ * - "Universal Serial Bus Class Definitions for Communications Devices"
+ * Revision 1.2, November 3, 2010
+ * - "Universal Serial Bus Communications Class Subclass Specification for PSTN Devices"
+ * Revision 1.2, February 9, 2007
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief CDC ACM class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_cdc_acm_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_TYPEDEF(app_usbd_cdc_acm, \
+ APP_USBD_CDC_ACM_CONFIG(0, 0, 0, 0, 0), \
+ APP_USBD_CDC_ACM_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_CDC_ACM_DATA_SPECIFIC_DEC \
+);
+/*lint -restore*/
+#endif
+
+
+/*lint -save -e407 */
+
+/**
+ * @brief Events passed to user event handler.
+ *
+ * @note Example prototype of user event handler:
+ *
+ * @code
+ void cdc_acm_user_ev_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_cdc_acm_user_event_t event);
+ * @endcode
+ */
+typedef enum app_usbd_cdc_acm_user_event_e {
+ APP_USBD_CDC_ACM_USER_EVT_RX_DONE, /**< User event RX_DONE. */
+ APP_USBD_CDC_ACM_USER_EVT_TX_DONE, /**< User event TX_DONE. */
+
+ APP_USBD_CDC_ACM_USER_EVT_PORT_OPEN, /**< User event PORT_OPEN. */
+ APP_USBD_CDC_ACM_USER_EVT_PORT_CLOSE, /**< User event PORT_CLOSE. */
+} app_usbd_cdc_acm_user_event_t;
+
+/*lint -restore*/
+
+/**
+ * @brief Default CDC ACM descriptors.
+ *
+ * @param comm_interface COMM interface number.
+ * @param comm_epin COMM interface IN endpoint.
+ * @param data_interface DATA interface number.
+ * @param data_epin DATA interface IN endpoint.
+ * @param data_epout DATA interface OUT endpoint.
+ */
+#define APP_USBD_CDC_ACM_DEFAULT_DESC(comm_interface, \
+ comm_epin, \
+ data_interface, \
+ data_epin, \
+ data_epout) \
+ APP_USBD_CDC_IAD_DSC(comm_interface, \
+ APP_USBD_CDC_SUBCLASS_ACM, \
+ APP_USBD_CDC_COMM_PROTOCOL_AT_V250) \
+ APP_USBD_CDC_COMM_INTERFACE_DSC(comm_interface, \
+ APP_USBD_CDC_SUBCLASS_ACM, \
+ APP_USBD_CDC_COMM_PROTOCOL_AT_V250) \
+ APP_USBD_CDC_HEADER_DSC(0x0110) \
+ APP_USBD_CDC_CALL_MGMT_DSC(0x03, data_interface) \
+ APP_USBD_CDC_ACM_DSC(0x02) \
+ APP_USBD_CDC_UNION_DSC(comm_interface, data_interface) \
+ APP_USBD_CDC_COM_EP_DSC(comm_epin, NRF_DRV_USBD_EPSIZE) \
+ APP_USBD_CDC_DATA_INTERFACE_DSC(data_interface, 0, 0) \
+ APP_USBD_CDC_DATA_EP_DSC(data_epin, data_epout, NRF_DRV_USBD_EPSIZE)
+
+/**
+ * @brief Global definition of app_usbd_cdc_acm_t class instance.
+ *
+ * @param instance_name Name of global instance.
+ * @param user_ev_handler User event handler (optional).
+ * @param comm_ifc Interface number of cdc_acm control.
+ * @param data_ifc Interface number of cdc_acm DATA.
+ * @param comm_ein COMM subclass IN endpoint.
+ * @param data_ein DATA subclass IN endpoint.
+ * @param data_eout DATA subclass OUT endpoint.
+ * @param cdc_protocol CDC protocol @ref app_usbd_cdc_comm_protocol_t
+ *
+ * @note This macro is just simplified version of @ref APP_USBD_CDC_ACM_GLOBAL_DEF_INTERNAL.
+ *
+ */
+#define APP_USBD_CDC_ACM_GLOBAL_DEF(instance_name, \
+ user_ev_handler, \
+ comm_ifc, \
+ data_ifc, \
+ comm_ein, \
+ data_ein, \
+ data_eout, \
+ cdc_protocol) \
+ APP_USBD_CDC_ACM_GLOBAL_DEF_INTERNAL(instance_name, \
+ user_ev_handler, \
+ comm_ifc, \
+ data_ifc, \
+ comm_ein, \
+ data_ein, \
+ data_eout, \
+ cdc_protocol) \
+
+/**
+ * @brief Helper function to get class instance from CDC ACM class.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ *
+ * @return Base class instance.
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_cdc_acm_class_inst_get(app_usbd_cdc_acm_t const * p_cdc_acm)
+{
+ return &p_cdc_acm->base;
+}
+
+/**
+ * @brief Helper function to get cdc_acm specific request from cdc_acm class.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ *
+ * @return CDC ACM class specific request.
+ */
+static inline app_usbd_cdc_acm_req_t *
+app_usbd_cdc_acm_class_request_get(app_usbd_cdc_acm_t const * p_cdc_acm)
+{
+ return &p_cdc_acm->specific.p_data->ctx.request;
+}
+
+/**
+ * @brief Helper function to get cdc_acm from base class instance.
+ *
+ * @param[in] p_inst Base class instance.
+ *
+ * @return CDC ACM class handle.
+ */
+static inline app_usbd_cdc_acm_t const *
+app_usbd_cdc_acm_class_get(app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_cdc_acm_t const *)p_inst;
+}
+
+
+/**
+ * @brief Writes data to CDC ACM serial port.
+ *
+ * This is asynchronous call. User should wait for @ref APP_USBD_CDC_ACM_USER_EVT_TX_DONE event
+ * to be sure that all data has been sent and input buffer could be accessed again.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ * @param[in] p_buf Input buffer.
+ * @param[in] length Input buffer length.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_cdc_acm_write(app_usbd_cdc_acm_t const * p_cdc_acm,
+ const void * p_buf,
+ size_t length);
+
+/**
+ * @brief Returns the amount of data that was read.
+ *
+ * This function should be used on @ref APP_USBD_CDC_ACM_USER_EVT_RX_DONE event to get
+ * information how many bytes have been transfered into user buffer.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ *
+ * @return Amount of data transfered.
+ */
+size_t app_usbd_cdc_acm_rx_size(app_usbd_cdc_acm_t const * p_cdc_acm);
+
+/**
+ * @brief Returns the amount of data that was stored into internal buffer
+ *
+ * This function should be used on @ref APP_USBD_CDC_ACM_USER_EVT_RX_DONE event to get
+ * information how many bytes are waiting in internal buffer.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ *
+ * @return Amount of data waiting.
+ */
+size_t app_usbd_cdc_acm_bytes_stored(app_usbd_cdc_acm_t const * p_cdc_acm);
+
+/**
+ * @brief Reads data from CDC ACM serial port.
+ *
+ * This function uses internal buffer and double buffering for continuous transmission.
+ *
+ * If there is enough data in internal buffer to fill user buffer, NRF_SUCCESS is
+ * returned and data is immediately available in the user buffer.
+ *
+ * If not, up to two user buffers can be scheduled, function returns NRF_ERROR_IO_PENDING
+ * when first buffer is filled and @ref APP_USBD_CDC_ACM_USER_EVT_RX_DONE event is generated.
+ *
+ * @sa app_usbd_cdc_acm_read_any
+ * @sa app_usbd_cdc_acm_rx_size
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ * @param[out] p_buf Output buffer.
+ * @param[in] length Number of bytes to read.
+ *
+ * @retval NRF_SUCCESS Data is stored into user buffer.
+ * @retval NRF_ERROR_IO_PENDING Awaiting transmission, when data is stored into user buffer,
+ * @ref APP_USBD_CDC_ACM_USER_EVT_RX_DONE event will be raised.
+ * @retval NRF_ERROR_BUSY There are already 2 buffers queued for transfers.
+ * @retval other Standard error code.
+ */
+ret_code_t app_usbd_cdc_acm_read(app_usbd_cdc_acm_t const * p_cdc_acm,
+ void * p_buf,
+ size_t length);
+
+/**
+ * @brief Read any data from CDC ACM port up to given buffer size
+ *
+ * This function is very similar to the @ref app_usbd_cdc_acm_read but it returns
+ * data as quick as any data is available, even if the given buffer was not totally full.
+ *
+ * @note This function cannot use double buffering.
+ * @note To check the number of bytes really read use @ref app_usbd_cdc_acm_rx_size
+ * function.
+ *
+ * @sa app_usbd_cdc_acm_read
+ * @sa app_usbd_cdc_acm_rx_size
+ *
+ * @param p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ * @param[out] p_buf Output buffer.
+ * @param[in] length Maximum number of bytes to read.
+ *
+ * @retval NRF_SUCCESS Data is stored into user buffer.
+ * @retval NRF_ERROR_IO_PENDING Awaiting transmission, when data is stored into user buffer,
+ * @ref APP_USBD_CDC_ACM_USER_EVT_RX_DONE event will be raised.
+ * @retval NRF_ERROR_BUSY There is already buffer set for a transfer.
+ * @retval other Standard error code.
+ */
+ret_code_t app_usbd_cdc_acm_read_any(app_usbd_cdc_acm_t const * p_cdc_acm,
+ void * p_buf,
+ size_t length);
+
+/**
+ * @brief Serial state notifications.
+ * */
+typedef enum {
+ APP_USBD_CDC_ACM_SERIAL_STATE_DCD = (1u << 0), /**< Notification bit DCD. */
+ APP_USBD_CDC_ACM_SERIAL_STATE_DSR = (1u << 1), /**< Notification bit DSR. */
+ APP_USBD_CDC_ACM_SERIAL_STATE_BREAK = (1u << 2), /**< Notification bit BREAK. */
+ APP_USBD_CDC_ACM_SERIAL_STATE_RING = (1u << 3), /**< Notification bit RING. */
+ APP_USBD_CDC_ACM_SERIAL_STATE_FRAMING = (1u << 4), /**< Notification bit FRAMING.*/
+ APP_USBD_CDC_ACM_SERIAL_STATE_PARITY = (1u << 5), /**< Notification bit PARITY. */
+ APP_USBD_CDC_ACM_SERIAL_STATE_OVERRUN = (1u << 6), /**< Notification bit OVERRUN.*/
+} app_usbd_cdc_acm_serial_state_t;
+
+/**
+ * @brief Serial line state.
+ */
+typedef enum {
+ APP_USBD_CDC_ACM_LINE_STATE_DTR = (1u << 0), /**< Line state bit DTR.*/
+ APP_USBD_CDC_ACM_LINE_STATE_RTS = (1u << 1), /**< Line state bit RTS.*/
+} app_usbd_cdc_acm_line_state_t;
+
+/**
+ * @brief Serial state notification via IN interrupt endpoint.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ * @param[in] serial_state Serial state notification type.
+ * @param[in] value Serial state value.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_cdc_acm_serial_state_notify(app_usbd_cdc_acm_t const * p_cdc_acm,
+ app_usbd_cdc_acm_serial_state_t serial_state,
+ bool value);
+
+/**
+ * @brief Control line value get.
+ *
+ * @param[in] p_cdc_acm CDC ACM class instance (defined by @ref APP_USBD_CDC_ACM_GLOBAL_DEF).
+ * @param[in] line_state Line control value type.
+ * @param[out] value Line control value.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_cdc_acm_line_state_get(app_usbd_cdc_acm_t const * p_cdc_acm,
+ app_usbd_cdc_acm_line_state_t line_state,
+ uint32_t * value);
+
+/** @} */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_CDC_ACM_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm_internal.h
new file mode 100644
index 0000000..5e09249
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm_internal.h
@@ -0,0 +1,268 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_CDC_ACM_INTERNAL_H__
+#define APP_USBD_CDC_ACM_INTERNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#include "app_util.h"
+
+/**
+ * @defgroup app_usbd_cdc_acm_internal USB CDC ACM internals
+ * @ingroup app_usbd_cdc_acm
+ * @brief @tagAPI52840 Internals of the USB ACM class implementation.
+ * @{
+ */
+
+/**
+ * @brief Forward declaration of type defined by @ref APP_USBD_CLASS_TYPEDEF in cdc_acm class.
+ *
+ */
+APP_USBD_CLASS_FORWARD(app_usbd_cdc_acm);
+
+/*lint -save -e165*/
+/**
+ * @brief Forward declaration of @ref app_usbd_cdc_acm_user_event_e.
+ *
+ */
+enum app_usbd_cdc_acm_user_event_e;
+
+/*lint -restore*/
+
+/**
+ * @brief User event handler.
+ *
+ * @param[in] p_inst Class instance.
+ * @param[in] event User event.
+ *
+ */
+typedef void (*app_usbd_cdc_acm_user_ev_handler_t)(app_usbd_class_inst_t const * p_inst,
+ enum app_usbd_cdc_acm_user_event_e event);
+
+/**
+ * @brief CDC ACM class part of class instance data.
+ */
+typedef struct {
+ uint8_t comm_interface; //!< Interface number of cdc_acm control.
+ uint8_t comm_epin; //!< COMM subclass IN endpoint.
+ uint8_t data_interface; //!< Interface number of cdc_acm DATA.
+ uint8_t data_epout; //!< DATA subclass OUT endpoint.
+ uint8_t data_epin; //!< DATA subclass IN endpoint.
+
+ app_usbd_cdc_comm_protocol_t protocol; //!< User specified CDC protocol.
+
+ app_usbd_cdc_acm_user_ev_handler_t user_ev_handler; //!< User event handler.
+} app_usbd_cdc_acm_inst_t;
+
+
+/**
+ * @brief CDC ACM serial state class notify
+ */
+typedef struct {
+ app_usbd_cdc_notify_t cdc_notify; //!< CDC notify.
+ uint16_t serial_state; //!< Serial port state.
+} app_usbd_cdc_acm_notify_t;
+
+/**
+ * @brief CDC ACM class specific request handled via control endpoint.
+ */
+typedef struct {
+ uint8_t type; //!< Request type.
+ uint8_t len; //!< Request length.
+
+ union {
+ app_usbd_cdc_line_coding_t line_coding; //!< CDC ACM current line coding.
+ app_usbd_cdc_acm_notify_t notify; //!< CDC ACM class notify.
+ } payload;
+} app_usbd_cdc_acm_req_t;
+
+/**
+ * @brief CDC ACM rx transfer buffer
+ */
+typedef struct {
+ uint8_t * p_buf; //!< User buffer pointer.
+ size_t read_left; //!< Bytes left to read into buffer.
+} cdc_rx_buffer_t;
+
+/**
+ * @brief CDC ACM class context
+ */
+typedef struct {
+ app_usbd_cdc_acm_req_t request; //!< CDC ACM class request.
+ app_usbd_cdc_line_coding_t line_coding; //!< CDC ACM current line coding.
+
+ uint16_t line_state; //!< CDC ACM line state bitmap, DTE side.
+ uint16_t serial_state; //!< CDC ACM serial state bitmap, DCE side.
+
+ cdc_rx_buffer_t rx_transfer[2]; //!< User receive transfers.
+
+ uint8_t internal_rx_buf[NRF_DRV_USBD_EPSIZE]; //!< Internal receive buffer.
+ uint8_t * p_copy_pos; //!< Current copy position from internal buffer.
+
+ size_t bytes_left; //!< Bytes left in internal buffer to copy.
+ size_t bytes_read; //!< Bytes currently written to user buffer.
+ size_t last_read; //!< Bytes read in last transfer.
+ size_t cur_read; //!< Bytes currently read to internal buffer.
+} app_usbd_cdc_acm_ctx_t;
+
+
+/**
+ * @brief CDC ACM class configuration macro.
+ *
+ * Used by @ref APP_USBD_CDC_ACM_GLOBAL_DEF
+ *
+ * @param iface_comm Interface number of cdc_acm control.
+ * @param epin_comm COMM subclass IN endpoint.
+ * @param iface_data Interface number of cdc_acm DATA.
+ * @param epin_data DATA subclass IN endpoint.
+ * @param epout_data DATA subclass OUT endpoint.
+ *
+ */
+#define APP_USBD_CDC_ACM_CONFIG(iface_comm, epin_comm, iface_data, epin_data, epout_data) \
+ ((iface_comm, epin_comm), \
+ (iface_data, epin_data, epout_data))
+
+
+/**
+ * @brief Specific class constant data for cdc_acm class.
+ *
+ * @ref app_usbd_cdc_acm_inst_t
+ */
+#define APP_USBD_CDC_ACM_INSTANCE_SPECIFIC_DEC app_usbd_cdc_acm_inst_t inst;
+
+
+/**
+ * @brief Configures cdc_acm class instance.
+ *
+ * @param user_event_handler User event handler.
+ * @param comm_ifc Interface number of cdc_acm control.
+ * @param comm_ein COMM subclass IN endpoint.
+ * @param data_ifc Interface number of cdc_acm DATA.
+ * @param data_ein DATA subclass IN endpoint.
+ * @param data_eout DATA subclass OUT endpoint.
+ * @param cdc_protocol CDC protocol.
+ */
+#define APP_USBD_CDC_ACM_INST_CONFIG(user_event_handler, comm_ifc, comm_ein, data_ifc, data_ein, \
+ data_eout, cdc_protocol) \
+ .inst = { \
+ .user_ev_handler = user_event_handler, \
+ .comm_interface = comm_ifc, \
+ .comm_epin = comm_ifc, \
+ .data_interface = data_ifc, \
+ .data_epin = data_ein, \
+ .data_epout = data_eout, \
+ .protocol = cdc_protocol \
+ }
+
+/**
+ * @brief Specific class data for cdc_acm class.
+ *
+ * @ref app_usbd_cdc_acm_ctx_t
+ */
+#define APP_USBD_CDC_ACM_DATA_SPECIFIC_DEC app_usbd_cdc_acm_ctx_t ctx;
+
+
+/**
+ * @brief CDC ACM class descriptors config macro.
+ *
+ * @param interface_number Interface number.
+ * @param ... Extracted endpoint list.
+ */
+#define APP_USBD_CDC_ACM_DSC_CONFIG(interface_number, ...) { \
+ APP_USBD_CDC_ACM_INTERFACE_DSC(interface_number, \
+ 0, \
+ 0, \
+ APP_USBD_CDC_ACM_SUBCLASS_CDC_ACMCONTROL) \
+}
+
+/**
+ * @brief Public cdc_acm class interface.
+ *
+ */
+extern const app_usbd_class_methods_t app_usbd_cdc_acm_class_methods;
+
+/**
+ * @brief Global definition of @ref app_usbd_cdc_acm_t class.
+ *
+ * @param instance_name Name of global instance.
+ * @param user_ev_handler User event handler.
+ * @param comm_ifc Interface number of cdc_acm control.
+ * @param data_ifc Interface number of cdc_acm DATA.
+ * @param comm_ein COMM subclass IN endpoint.
+ * @param data_ein DATA subclass IN endpoint.
+ * @param data_eout DATA subclass OUT endpoint.
+ * @param cdc_protocol CDC protocol @ref app_usbd_cdc_comm_protocol_t
+ */
+/*lint -save -emacro(26 64 123 505 651, APP_USBD_CDC_ACM_GLOBAL_DEF_INTERNAL)*/
+#define APP_USBD_CDC_ACM_GLOBAL_DEF_INTERNAL(instance_name, \
+ user_ev_handler, \
+ comm_ifc, \
+ data_ifc, \
+ comm_ein, \
+ data_ein, \
+ data_eout, \
+ cdc_protocol) \
+ APP_USBD_CLASS_INST_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_cdc_acm, \
+ &app_usbd_cdc_acm_class_methods, \
+ APP_USBD_CDC_ACM_CONFIG(comm_ifc, comm_ein, data_ifc, data_ein, data_eout), \
+ (APP_USBD_CDC_ACM_INST_CONFIG(user_ev_handler, \
+ comm_ifc, \
+ comm_ein, \
+ data_ifc, \
+ data_ein, \
+ data_eout, \
+ cdc_protocol)) \
+ )
+/*lint -restore*/
+
+/** @} */
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_CDC_ACM_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_desc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_desc.h
new file mode 100644
index 0000000..091065d
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_desc.h
@@ -0,0 +1,208 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_CDC_DESC_H__
+#define APP_USBD_CDC_DESC_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "app_usbd_descriptor.h"
+#include "app_usbd_cdc_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_cdc_desc CDC class descriptors
+ * @brief @tagAPI52840 Descriptors used in the USB CDC class implementation.
+ * @ingroup app_usbd_cdc_acm
+ *
+ * A group of macros used to initialize CDC descriptors
+ * @{
+ */
+
+/**
+ * @brief Initializer of IAD descriptor for CDC class.
+ *
+ * @param interface_number Interface number.
+ * @param subclass Subclass, @ref app_usbd_cdc_subclass_t.
+ * @param protocol Protocol, @ref app_usbd_cdc_comm_protocol_t.
+ */
+#define APP_USBD_CDC_IAD_DSC(interface_number, subclass, protocol) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_iad_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_INTERFACE_ASSOCIATION, \
+ /*.bFirstInterface = */ interface_number, \
+ /*.bInterfaceCount = */ 2, \
+ /*.bFunctionClass = */ APP_USBD_CDC_COMM_CLASS, \
+ /*.bFunctionSubClass = */ subclass, \
+ /*.bFunctionProtocol = */ protocol, \
+ /*.iFunction = */ 0, \
+
+/**
+ * @brief Initializer of interface descriptor for CDC COMM class.
+ *
+ * @param interface_number Interface number.
+ * @param subclass Subclass, @ref app_usbd_cdc_subclass_t.
+ * @param protocol Protocol, @ref app_usbd_cdc_comm_protocol_t.
+ */
+#define APP_USBD_CDC_COMM_INTERFACE_DSC(interface_number, subclass, protocol) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_iface_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_INTERFACE, \
+ /*.bInterfaceNumber = */ interface_number, \
+ /*.bAlternateSetting = */ 0x00, \
+ /*.bNumEndpoints = */ 1, \
+ /*.bInterfaceClass = */ APP_USBD_CDC_COMM_CLASS, \
+ /*.bInterfaceSubClass = */ subclass, \
+ /*.bInterfaceProtocol = */ protocol, \
+ /*.iInterface = 0, */ 0x00, \
+
+
+/**
+ * @brief Initializer of interface descriptor for CDC DATA class.
+ *
+ * @param interface_number Interface number.
+ * @param subclass Subclass, @ref app_usbd_cdc_subclass_t.
+ * @param protocol Protocol, @ref app_usbd_cdc_data_protocol_t.
+ */
+#define APP_USBD_CDC_DATA_INTERFACE_DSC(interface_number, subclass, protocol) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_iface_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_INTERFACE, \
+ /*.bInterfaceNumber = */ interface_number, \
+ /*.bAlternateSetting = */ 0x00, \
+ /*.bNumEndpoints = */ 2, \
+ /*.bInterfaceClass = */ APP_USBD_CDC_DATA_CLASS, \
+ /*.bInterfaceSubClass = */ subclass, \
+ /*.bInterfaceProtocol = */ protocol, \
+ /*.iInterface = 0, */ 0x00, \
+
+
+
+/**
+ * @brief Initializer of endpoint descriptor for CDC COM class.
+ *
+ * @param endpoint_in IN endpoint.
+ * @param ep_size Endpoint size.
+ */
+#define APP_USBD_CDC_COM_EP_DSC(endpoint_in, ep_size) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_ep_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_ENDPOINT, \
+ /*.bEndpointAddress = */ endpoint_in, \
+ /*.bmAttributes = */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_INTERRUPT, \
+ /*.wMaxPacketSize = */ APP_USBD_U16_TO_RAW_DSC(ep_size), \
+ /*.bInterval = */ 16, \
+
+/**
+ * @brief Initializer of endpoint descriptors for CDC DATA class.
+ *
+ * @param endpoint_in IN endpoint.
+ * @param endpoint_out OUT endpoint.
+ * @param ep_size Endpoint size.
+ */
+#define APP_USBD_CDC_DATA_EP_DSC(endpoint_in, endpoint_out, ep_size) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_ep_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_ENDPOINT, \
+ /*.bEndpointAddress = */ endpoint_in, \
+ /*.bmAttributes = */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK, \
+ /*.wMaxPacketSize = */ APP_USBD_U16_TO_RAW_DSC(ep_size), \
+ /*.bInterval = */ 0, \
+ /*.bLength = */ sizeof(app_usbd_descriptor_ep_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_ENDPOINT, \
+ /*.bEndpointAddress = */ endpoint_out, \
+ /*.bmAttributes = */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK, \
+ /*.wMaxPacketSize = */ APP_USBD_U16_TO_RAW_DSC(ep_size), \
+ /*.bInterval = */ 0, \
+
+/**
+ * @brief Initializer of endpoint descriptors for CDC header descriptor.
+ *
+ * @param bcd_cdc BCD CDC version.
+ */
+#define APP_USBD_CDC_HEADER_DSC(bcd_cdc) \
+ /*.bLength = */ sizeof(app_usbd_cdc_desc_header_t), \
+ /*.bDescriptorType = */ APP_USBD_CDC_CS_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_CDC_SCS_HEADER, \
+ /*.bcdCDC = */ APP_USBD_U16_TO_RAW_DSC(bcd_cdc), \
+
+/**
+ * @brief Initializer of endpoint descriptors for CDC call management descriptor.
+ *
+ * @param capabilities Capabilities.
+ * @param data_interface Data interface.
+ */
+#define APP_USBD_CDC_CALL_MGMT_DSC(capabilities, data_interface) \
+ /*.bLength = */ sizeof(app_usbd_cdc_desc_call_mgmt_t), \
+ /*.bDescriptorType = */ APP_USBD_CDC_CS_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_CDC_SCS_CALL_MGMT, \
+ /*.bmCapabilities = */ capabilities, \
+ /*.bDataInterface = */ data_interface, \
+
+
+/**
+ * @brief Initializer of endpoint descriptors for CDC DATA class.
+ *
+ * @param capabilities Capabilities.
+ */
+#define APP_USBD_CDC_ACM_DSC(capabilities) \
+ /*.bLength = */ sizeof(app_usbd_cdc_desc_acm_t), \
+ /*.bDescriptorType = */ APP_USBD_CDC_CS_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_CDC_SCS_ACM, \
+ /*.bmCapabilities = */ capabilities, \
+
+/**
+ * @brief Initializer of endpoint descriptors for CDC DATA class.
+ *
+ * @param control_interface Control interface.
+ * @param ... Subordinate interfaces list.
+ */
+#define APP_USBD_CDC_UNION_DSC(control_interface, ...) \
+ /*.bLength = */ sizeof(app_usbd_cdc_desc_union_t) + (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bDescriptorType = */ APP_USBD_CDC_CS_INTERFACE, \
+ /*.bDescriptorSubtype = */ APP_USBD_CDC_SCS_UNION, \
+ /*.bControlInterface = */ control_interface, \
+ /*.bSubordinateInterface = */ __VA_ARGS__, \
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_CDC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_types.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_types.h
new file mode 100644
index 0000000..9b8a482
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/app_usbd_cdc_types.h
@@ -0,0 +1,360 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_CDC_TYPES_H__
+#define APP_USBD_CDC_TYPES_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup app_usbd_cdc_types CDC class types
+ * @ingroup app_usbd_cdc_acm
+ *
+ * @brief @tagAPI52840 Variable types used by the CDC class implementation.
+ * @{
+ */
+
+/**
+ * @brief Communications Interface Class code.
+ *
+ * Used for control interface in communication class.
+ * @ref app_usbd_descriptor_iface_t::bInterfaceClass
+ */
+#define APP_USBD_CDC_COMM_CLASS 0x02
+
+/**
+ * @brief Data Class Interface code.
+ *
+ * Used for data interface in communication class.
+ * @ref app_usbd_descriptor_iface_t::bInterfaceClass
+ */
+#define APP_USBD_CDC_DATA_CLASS 0x0A
+
+/**
+ * @brief CDC subclass possible values.
+ *
+ * @ref app_usbd_descriptor_iface_t::bInterfaceSubClass
+ */
+typedef enum {
+ APP_USBD_CDC_SUBCLASS_RESERVED = 0x00, /**< Reserved in documentation. */
+ APP_USBD_CDC_SUBCLASS_DLCM = 0x01, /**< Direct Line Control Model. */
+ APP_USBD_CDC_SUBCLASS_ACM = 0x02, /**< Abstract Control Model. */
+ APP_USBD_CDC_SUBCLASS_TCM = 0x03, /**< Telephone Control Model. */
+ APP_USBD_CDC_SUBCLASS_MCCM = 0x04, /**< Multi-Channel Control Model. */
+ APP_USBD_CDC_SUBCLASS_CAPI = 0x05, /**< CAPI Control Model. */
+ APP_USBD_CDC_SUBCLASS_ENCM = 0x06, /**< Ethernet Networking Control Model. */
+ APP_USBD_CDC_SUBCLASS_ATM = 0x07, /**< ATM Networking Control Model. */
+ APP_USBD_CDC_SUBCLASS_WHCM = 0x08, /**< Wireless Handset Control Model. */
+ APP_USBD_CDC_SUBCLASS_DM = 0x09, /**< Device Management. */
+ APP_USBD_CDC_SUBCLASS_MDLM = 0x0A, /**< Mobile Direct Line Model. */
+ APP_USBD_CDC_SUBCLASS_OBEX = 0x0B, /**< OBEX. */
+ APP_USBD_CDC_SUBCLASS_EEM = 0x0C, /**< Ethernet Emulation Model. */
+ APP_USBD_CDC_SUBCLASS_NCM = 0x0D /**< Network Control Model. */
+} app_usbd_cdc_subclass_t;
+
+/**
+ * @brief CDC protocol possible values.
+ *
+ * @ref app_usbd_descriptor_iface_t::bInterfaceProtocol
+ */
+typedef enum {
+ APP_USBD_CDC_COMM_PROTOCOL_NONE = 0x00, /**< No class specific protocol required. */
+ APP_USBD_CDC_COMM_PROTOCOL_AT_V250 = 0x01, /**< AT Commands: V.250 etc. */
+ APP_USBD_CDC_COMM_PROTOCOL_AT_PCCA101 = 0x02, /**< AT Commands defined by PCCA-101. */
+ APP_USBD_CDC_COMM_PROTOCOL_AT_PCCA101_ANNEXO = 0x03, /**< AT Commands defined by PCCA-101 & Annex O. */
+ APP_USBD_CDC_COMM_PROTOCOL_AT_GSM707 = 0x04, /**< AT Commands defined by GSM 07.07. */
+ APP_USBD_CDC_COMM_PROTOCOL_AT_3GPP_27007 = 0x05, /**< AT Commands defined by 3GPP 27.007. */
+ APP_USBD_CDC_COMM_PROTOCOL_AT_CDMA = 0x06, /**< AT Commands defined by TIA for CDMA. */
+ APP_USBD_CDC_COMM_PROTOCOL_EEM = 0x07, /**< Ethernet Emulation Model. */
+ APP_USBD_CDC_COMM_PROTOCOL_EXTERNAL = 0xFE, /**< External Protocol: Commands defined by Command Set Functional Descriptor. */
+ APP_USBD_CDC_COMM_PROTOCOL_VENDOR = 0xFF /**< Vendor-specific. */
+} app_usbd_cdc_comm_protocol_t;
+
+/**
+ * @brief CDC data interface protocols possible values.
+ */
+typedef enum {
+ APP_USBD_CDC_DATA_PROTOCOL_NONE = 0x00, /**< No class specific protocol required. */
+ APP_USBD_CDC_DATA_PROTOCOL_NTB = 0x01, /**< Network Transfer Block. */
+ APP_USBD_CDC_DATA_PROTOCOL_ISDN_BRI = 0x30, /**< Physical interface protocol for ISDN BRI. */
+ APP_USBD_CDC_DATA_PROTOCOL_HDLC = 0x31, /**< HDLC. */
+ APP_USBD_CDC_DATA_PROTOCOL_TRANSPARENT = 0x32, /**< Transparent. */
+ APP_USBD_CDC_DATA_PROTOCOL_Q921M = 0x50, /**< Management protocol for Q.921 data link protocol. */
+ APP_USBD_CDC_DATA_PROTOCOL_Q921 = 0x51, /**< Data link protocol for Q.921. */
+ APP_USBD_CDC_DATA_PROTOCOL_Q921TM = 0x52, /**< TEI-multiplexor for Q.921 data link protocol. */
+ APP_USBD_CDC_DATA_PROTOCOL_V42BIS = 0x90, /**< Data compression procedures. */
+ APP_USBD_CDC_DATA_PROTOCOL_Q931 = 0x91, /**< Euro-ISDN protocol control. */
+ APP_USBD_CDC_DATA_PROTOCOL_V120 = 0x92, /**< V.24 rate adaptation to ISDN. */
+ APP_USBD_CDC_DATA_PROTOCOL_CAPI20 = 0x93, /**< CAPI Commands. */
+ APP_USBD_CDC_DATA_PROTOCOL_HOST = 0xFD, /**< Host based driver.
+ * @note This protocol code should only be used in messages
+ * between host and device to identify the host driver portion
+ * of a protocol stack.
+ */
+ APP_USBD_CDC_DATA_PROTOCOL_EXTERNAL = 0xFE, /**< The protocol(s) are described using a Protocol Unit Functional
+ * Descriptors on Communications Class Interface.
+ */
+ APP_USBD_CDC_DATA_PROTOCOL_VENDOR = 0xFF /**< Vendor-specific. */
+} app_usbd_cdc_data_protocol_t;
+
+/**
+ * @brief CDC Functional Descriptor types.
+ */
+typedef enum {
+ APP_USBD_CDC_CS_INTERFACE = 0x24, /**< Class specific interface descriptor type.*/
+ APP_USBD_CDC_CS_ENDPOINT = 0x25 /**< Class specific endpoint descriptor type.*/
+} app_usbd_cdc_func_type_t;
+
+/**
+ * @brief CDC Functional Descriptor subtypes
+ */
+typedef enum {
+ APP_USBD_CDC_SCS_HEADER = 0x00, /**< Header Functional Descriptor, which marks the beginning of the concatenated set of functional descriptors for the interface. */
+ APP_USBD_CDC_SCS_CALL_MGMT = 0x01, /**< Call Management Functional Descriptor. */
+ APP_USBD_CDC_SCS_ACM = 0x02, /**< Abstract Control Management Functional Descriptor. */
+ APP_USBD_CDC_SCS_DLM = 0x03, /**< Direct Line Management Functional Descriptor. */
+ APP_USBD_CDC_SCS_TEL_R = 0x04, /**< Telephone Ringer Functional Descriptor. */
+ APP_USBD_CDC_SCS_TEL_CAP = 0x05, /**< Telephone Call and Line State Reporting Capabilities Functional Descriptor. */
+ APP_USBD_CDC_SCS_UNION = 0x06, /**< Union Functional Descriptor. */
+ APP_USBD_CDC_SCS_COUNTRY_SEL = 0x07, /**< Country Selection Functional Descriptor. */
+ APP_USBD_CDC_SCS_TEL_OM = 0x08, /**< Telephone Operational Modes Functional Descriptor. */
+ APP_USBD_CDC_SCS_USB_TERM = 0x09, /**< USB Terminal Functional Descriptor. */
+ APP_USBD_CDC_SCS_NCT = 0x0A, /**< Network Channel Terminal Descriptor. */
+ APP_USBD_CDC_SCS_PU = 0x0B, /**< Protocol Unit Functional Descriptor. */
+ APP_USBD_CDC_SCS_EU = 0x0C, /**< Extension Unit Functional Descriptor. */
+ APP_USBD_CDC_SCS_MCM = 0x0D, /**< Multi-Channel Management Functional Descriptor. */
+ APP_USBD_CDC_SCS_CAPI = 0x0E, /**< CAPI Control Management Functional Descriptor. */
+ APP_USBD_CDC_SCS_ETH = 0x0F, /**< Ethernet Networking Functional Descriptor. */
+ APP_USBD_CDC_SCS_ATM = 0x10, /**< ATM Networking Functional Descriptor. */
+ APP_USBD_CDC_SCS_WHCM = 0x11, /**< Wireless Handset Control Model Functional Descriptor. */
+ APP_USBD_CDC_SCS_MDLM = 0x12, /**< Mobile Direct Line Model Functional Descriptor. */
+ APP_USBD_CDC_SCS_MDLM_DET = 0x13, /**< MDLM Detail Functional Descriptor. */
+ APP_USBD_CDC_SCS_DMM = 0x14, /**< Device Management Model Functional Descriptor. */
+ APP_USBD_CDC_SCS_OBEX = 0x15, /**< OBEX Functional Descriptor. */
+ APP_USBD_CDC_SCS_CS = 0x16, /**< Command Set Functional Descriptor. */
+ APP_USBD_CDC_SCS_CS_DET = 0x17, /**< Command Set Detail Functional Descriptor. */
+ APP_USBD_CDC_SCS_TEL_CM = 0x18, /**< Telephone Control Model Functional Descriptor. */
+ APP_USBD_CDC_SCS_OBEX_SI = 0x19, /**< OBEX Service Identifier Functional Descriptor. */
+ APP_USBD_CDC_SCS_NCM = 0x1A /**< NCM Functional Descriptor. */
+} app_usbd_cdc_func_subtype_t;
+
+/* Make all descriptors packed */
+#pragma pack(push, 1)
+
+/**
+ * @brief Header Functional Descriptor
+ */
+typedef struct {
+ uint8_t bFunctionLength; //!< Size of this descriptor in bytes.
+ uint8_t bDescriptorType; //!< @ref APP_USBD_CDC_CS_INTERFACE descriptor type.
+ uint8_t bDescriptorSubtype; //!< Descriptor subtype @ref APP_USBD_CDC_SCS_HEADER.
+ uint8_t bcdCDC[2]; //!< USB Class Definitions for Communications Devices Specification release number in binary-coded decimal.
+} app_usbd_cdc_desc_header_t;
+
+/**
+ * @brief Call management capabilities.
+ *
+ * @ref app_usbd_cdc_desc_call_mgmt_t::bmCapabilities bit
+ * */
+typedef enum {
+ APP_USBD_CDC_CALL_MGMT_SUPPORTED = (1 << 0), /**< Call management capability bit 0.*/
+ APP_USBD_CDC_CALL_MGMT_OVER_DCI = (1 << 1), /**< Call management capability bit 1.*/
+} app_subd_cdc_call_mgmt_cap_t;
+
+/**
+ * @brief CDC Call Management Functional Descriptor.
+ */
+typedef struct {
+ uint8_t bFunctionLength; //!< Size of this functional descriptor, in bytes.
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_CDC_CS_INTERFACE.
+ uint8_t bDescriptorSubtype; //!< Descriptor subtype @ref APP_USBD_CDC_SCS_CALL_MGMT.
+ uint8_t bmCapabilities; //!< Capabilities @ref app_subd_cdc_call_mgmt_cap_t.
+ uint8_t bDataInterface; //!< Data interface number.
+} app_usbd_cdc_desc_call_mgmt_t;
+
+/**
+ * @brief ACM capabilities.
+ *
+ * @ref app_usbd_cdc_desc_acm_t::bmCapabilities bit
+ * */
+typedef enum {
+ APP_USBD_CDC_ACM_FEATURE_REQUESTS = (1 << 0), /**< ACM capability bit FEATURE_REQUESTS. */
+ APP_USBD_CDC_ACM_LINE_REQUESTS = (1 << 1), /**< ACM capability bit LINE_REQUESTS. */
+ APP_USBD_CDC_ACM_SENDBREAK_REQUESTS = (1 << 2), /**< ACM capability bit SENDBREAK_REQUESTS.*/
+ APP_USBD_CDC_ACM_NOTIFY_REQUESTS = (1 << 3), /**< ACM capability bit NOTIFY_REQUESTS. */
+} app_subd_cdc_acm_cap_t;
+
+/**
+ * @brief CDC ACM Functional Descriptor.
+ */
+typedef struct {
+ uint8_t bFunctionLength; //!< Size of this functional descriptor, in bytes.
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_CDC_CS_INTERFACE.
+ uint8_t bDescriptorSubtype; //!< Descriptor subtype @ref APP_USBD_CDC_SCS_ACM.
+ uint8_t bmCapabilities; //!< Capabilities @ref app_subd_cdc_acm_cap_t.
+} app_usbd_cdc_desc_acm_t;
+
+/**
+ * @brief Union Functional Descriptor.
+ */
+typedef struct {
+ uint8_t bFunctionLength; //!< Size of this functional descriptor, in bytes.
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_CDC_CS_INTERFACE.
+ uint8_t bDescriptorSubtype; //!< Descriptor subtype @ref APP_USBD_CDC_SCS_UNION.
+ uint8_t bControlInterface; //!< The interface number of the Communications or Data Class interface, designated as the controlling interface for the union.
+ uint8_t bSubordinateInterface[]; //!< Interface number of subordinate interfaces in the union. Number of interfaced depends on descriptor size.
+} app_usbd_cdc_desc_union_t;
+
+/**
+ * @brief Country Selection Functional Descriptor.
+ */
+typedef struct {
+ uint8_t bFunctionLength; //!< Size of this functional descriptor, in bytes.
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_CDC_CS_INTERFACE.
+ uint8_t bDescriptorSubtype; //!< Descriptor subtype @ref APP_USBD_CDC_SCS_COUNTRY_SEL.
+ uint8_t iCountryCodeRelDate; //!< Index of a string giving the release date for the implemented ISO 3166 Country Codes.
+} app_usbd_cdc_desc_country_sel_t;
+
+/**
+ * @brief CDC Requests
+ *
+ */
+typedef enum {
+ /* CDC General */
+ APP_USBD_CDC_REQ_SEND_ENCAPSULATED_COMMAND = 0x00, /**< This request is used to issue a command in the format of the supported control protocol of the Communications Class interface. */
+ APP_USBD_CDC_REQ_GET_ENCAPSULATED_RESPONSE = 0x01, /**< This request is used to request a response in the format of the supported control protocol of the Communications Class interface. */
+ /* CDC PSTN */
+ APP_USBD_CDC_REQ_SET_COMM_FEATURE = 0x02, /**< This request controls the settings for a particular communications feature of a particular target. */
+ APP_USBD_CDC_REQ_GET_COMM_FEATURE = 0x03, /**< This request returns the current settings for the communications feature as selected. */
+ APP_USBD_CDC_REQ_CLEAR_COMM_FEATURE = 0x04, /**< This request controls the settings for a particular communications feature of a particular target, setting the selected feature to its default state. */
+ APP_USBD_CDC_REQ_SET_AUX_LINE_STATE = 0x10, /**< This request is used to connect or disconnect a secondary jack to POTS circuit or CODEC, depending on hook state. */
+ APP_USBD_CDC_REQ_SET_HOOK_STATE = 0x11, /**< This request is used to set the necessary PSTN line relay code for on-hook, off-hook, and caller ID states. */
+ APP_USBD_CDC_REQ_PULSE_SETUP = 0x12, /**< This request is used to prepare for a pulse-dialing cycle. */
+ APP_USBD_CDC_REQ_SEND_PULSE = 0x13, /**< This request is used to generate a specified number of make/break pulse cycles. */
+ APP_USBD_CDC_REQ_SET_PULSE_TIME = 0x14, /**< This request sets the timing of the make and break periods for pulse dialing. */
+ APP_USBD_CDC_REQ_RING_AUX_JACK = 0x15, /**< This request is used to generate a ring signal on a secondary phone jack. */
+ APP_USBD_CDC_REQ_SET_LINE_CODING = 0x20, /**< This request allows the host to specify typical asynchronous line-character formatting properties. */
+ APP_USBD_CDC_REQ_GET_LINE_CODING = 0x21, /**< This request allows the host to find out the currently configured line coding. */
+ APP_USBD_CDC_REQ_SET_CONTROL_LINE_STATE = 0x22, /**< This request generates RS-232/V.24 style control signals. */
+ APP_USBD_CDC_REQ_SEND_BREAK = 0x23, /**< This request sends special carrier modulation that generates an RS-232 style break. */
+ APP_USBD_CDC_REQ_SET_RINGER_PARMS = 0x30, /**< This request configures the ringer for the communications device. */
+ APP_USBD_CDC_REQ_GET_RINGER_PARMS = 0x31, /**< This request returns the ringer capabilities of the device and the current status of the device’s ringer. */
+ APP_USBD_CDC_REQ_SET_OPERATION_PARMS = 0x32, /**< Sets the operational mode for the device, between a simple mode, standalone mode and a host centric mode. */
+ APP_USBD_CDC_REQ_GET_OPERATION_PARMS = 0x33, /**< This request gets the current operational mode for the device. */
+ APP_USBD_CDC_REQ_SET_LINE_PARMS = 0x34, /**< This request is used to change the state of the line, corresponding to the interface or master interface of a union to which the command was sent. */
+ APP_USBD_CDC_REQ_GET_LINE_PARMS = 0x35, /**< This request is used to report the state of the line that corresponds to the interface or master interface of a union to which the command was sent. */
+ APP_USBD_CDC_REQ_DIAL_DIGITS = 0x36, /**< This request dials the DTMF digits over the specified line. */
+} app_usbd_cdc_req_id_t;
+
+/**
+ * @brief CDC Notifications.
+ */
+typedef enum {
+ /* CDC General */
+ APP_USBD_CDC_NOTIF_NETWORK_CONNECTION = 0x00, /**< This notification allows the device to notify the host about network connection status. */
+ APP_USBD_CDC_NOTIF_RESPONSE_AVAILABLE = 0x01, /**< This notification allows the device to notify the host that a response is available.
+ * This response can be retrieved with a subsequent GetEncapsulatedResponse request.
+ _ */
+ APP_USBD_CDC_NOTIF_CONNECTION_SPEED_CHANGE = 0x2A, /**< This notification allows the device to inform the host-networking driver
+ * that a change in either the up-link or the down-link bit rate of the connection has occurred.
+ */
+ /* CDC PSTN */
+ APP_USBD_CDC_NOTIF_AUX_JACK_HOOK_STATE = 0x08, /**< (DLM) This notification indicates the loop has changed on the auxiliary phone interface of the USB device. */
+ APP_USBD_CDC_NOTIF_RING_DETECT = 0x09, /**< (DLM) This notification indicates ring voltage on the POTS line interface of the USB device. */
+ APP_USBD_CDC_NOTIF_SERIAL_STATE = 0x20, /**< (ACM) This notification sends asynchronous notification of UART status. */
+ APP_USBD_CDC_NOTIF_CALL_STATE_CHANGE = 0x28, /**< (TCM) This notification identifies that a change has occurred to the state of a call on the line corresponding to the interface or union for the line. */
+ APP_USBD_CDC_NOTIF_LINE_STATE_CHANGE = 0x29 /**< (TCM) This notification identifies that a change has occurred to the state of the line corresponding to the interface or master interface of a union sending the notification message. */
+} app_usbd_cdc_notify_id_t;
+
+/**
+ * @brief Notification sent via CDC COMM endpoint.
+ * */
+typedef struct {
+ uint8_t bmRequestType; //!< Request type.
+ uint8_t bmRequest; //!< Request ID @ref app_usbd_cdc_req_id_t.
+ uint16_t wValue; //!< Value field.
+ uint16_t wIndex; //!< Index field.
+ uint16_t wLength; //!< Length of payload following.
+} app_usbd_cdc_notify_t;
+
+/**
+ * @brief CDC line coding structure.
+ */
+typedef struct {
+ uint8_t dwDTERate[4]; //!< Line baudrate.
+ uint8_t bCharFormat; //!< Character format @ref app_usbd_cdc_line_stopbit_t.
+ uint8_t bParityType; //!< Parity bits @ref app_usbd_cdc_line_parity_t.
+ uint8_t bDataBits; //!< Number of data bits.
+} app_usbd_cdc_line_coding_t;
+
+/**
+ * @brief Possible values of @ref app_usbd_cdc_line_coding_t::bCharFormat.
+ */
+typedef enum {
+ APP_USBD_CDC_LINE_STOPBIT_1 = 0, /**< 1 stop bit. */
+ APP_USBD_CDC_LINE_STOPBIT_1_5 = 1, /**< 1.5 stop bits. */
+ APP_USBD_CDC_LINE_STOPBIT_2 = 2, /**< 2 stop bits. */
+} app_usbd_cdc_line_stopbit_t;
+
+/**
+ * @brief Possible values of @ref app_usbd_cdc_line_coding_t::bParityType.
+ */
+typedef enum {
+ APP_USBD_CDC_LINE_PARITY_NONE = 0, /**< No parity. */
+ APP_USBD_CDC_LINE_PARITY_ODD = 1, /**< Odd parity. */
+ APP_USBD_CDC_LINE_PARITY_EVEN = 2, /**< Even parity. */
+ APP_USBD_CDC_LINE_PARITY_MARK = 3, /**< Parity forced to 0 (space).*/
+ APP_USBD_CDC_LINE_PARITY_SPACE = 4, /**< Parity forced to 1 (mark). */
+} app_usbd_cdc_line_parity_t;
+
+
+#pragma pack(pop)
+
+/** @} */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_TYPES_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.c
new file mode 100644
index 0000000..51d8721
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.c
@@ -0,0 +1,107 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_DUMMY)
+
+#include <string.h>
+#include <ctype.h>
+#include "app_usbd.h"
+#include "app_usbd_dummy.h"
+#include "app_usbd_string_desc.h"
+#include "nrf_gpio.h"
+
+/**
+ * @defgroup app_usbd_dummy_internal USBD Dummy internals
+ * @{
+ * @ingroup app_usbd_dummy
+ * @internal
+ */
+
+#define NRF_LOG_MODULE_NAME usbd_dummy
+
+#if APP_USBD_DUMMY_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL APP_USBD_DUMMY_CONFIG_LOG_LEVEL
+#define NRF_LOG_INFO_COLOR APP_USBD_DUMMY_CONFIG_INFO_COLOR
+#define NRF_LOG_DEBUG_COLOR APP_USBD_DUMMY_CONFIG_DEBUG_COLOR
+#else //APP_USBD_DUMMY_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL 0
+#endif //APP_USBD_DUMMY_CONFIG_LOG_ENABLED
+#include "nrf_log.h"
+NRF_LOG_MODULE_REGISTER();
+
+/** @brief @ref app_usbd_class_methods_t::event_handler */
+static ret_code_t dummy_class_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/** @brief @ref app_usbd_class_methods_t::feed_descriptors */
+static bool dummy_class_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static app_usbd_class_iface_conf_t const * p_cur_iface = 0;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, 0);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size)
+
+ /* INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(sizeof(app_usbd_descriptor_iface_t)); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DUMMY_CLASS); // bInterfaceClass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DUMMY_SUBCLASS); // bInterfaceSubClass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DUMMY_PROTOCOL); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+const app_usbd_class_methods_t app_usbd_dummy_class_methods = {
+ .event_handler = dummy_class_event_handler,
+ .feed_descriptors = dummy_class_feed_descriptors,
+};
+
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_DUMMY)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.h
new file mode 100644
index 0000000..61fa819
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy.h
@@ -0,0 +1,138 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_DUMMY_H__
+#define APP_USBD_DUMMY_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "nrf_block_dev.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_descriptor.h"
+
+#include "app_usbd_dummy_types.h"
+#include "app_usbd_dummy_internal.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_dummy USB Dummy class
+ * @ingroup app_usbd
+ *
+ * @brief @tagAPI52840 Module with types, definitions,
+ * and API used by the USB Dummy class.
+ *
+ * @note Class is used as a filler to provide correct alignement of interfaces.
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Dummy class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_dummy_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_NO_EP_TYPEDEF(app_usbd_dummy, \
+ APP_USBD_DUMMY_CONFIG(0), \
+ APP_USBD_DUMMY_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_DUMMY_DATA_SPECIFIC_DEC \
+);
+#endif
+
+/*lint -restore*/
+
+/**
+ * @brief Global definition of app_usbd_dummy_t class
+ *
+ * @param instance_name Name of global instance
+ * @param interface_number Unique interface number
+ *
+ * @note This macro is just simplified version of @ref APP_USBD_DUMMY_GLOBAL_DEF_INTERNAL
+ *
+ */
+/*lint -save -emacro(26 64 123 505 651, APP_USBD_DUMMY_GLOBAL_DEF)*/
+#define APP_USBD_DUMMY_GLOBAL_DEF(instance_name, interface_number) \
+ APP_USBD_DUMMY_GLOBAL_DEF_INTERNAL(instance_name, interface_number)
+/*lint -restore*/
+
+/**
+ * @@brief Helper function to get class instance from dummy
+ *
+ * @param[in] p_dummy Dummy instance
+ * (declared by @ref APP_USBD_DUMMY_GLOBAL_DEF)
+ *
+ * @return Base class instance
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_dummy_class_inst_get(app_usbd_dummy_t const * p_dummy)
+{
+ return &p_dummy->base;
+}
+
+/**
+ * @brief Helper function to get dummy from base class instance
+ *
+ * @param[in] p_inst Base class instance
+ *
+ * @return Dummy class handle
+ */
+static inline app_usbd_dummy_t const *
+app_usbd_dummy_class_get( app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_dummy_t const *)p_inst;
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_DUMMY_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_internal.h
new file mode 100644
index 0000000..5b48ae7
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_internal.h
@@ -0,0 +1,115 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_DUMMY_INTERNAL_H__
+#define APP_USBD_DUMMY_INTERNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_dummy_internals USB Dummy internals
+ * @ingroup app_usbd_dummy
+ *
+ * @brief @tagAPI52840 Internals of the USB Dummy class.
+ * @{
+ */
+
+/** @brief Forward declaration of Dummy Class type */
+APP_USBD_CLASS_FORWARD(app_usbd_dummy);
+
+/** @brief Dummy part of class instance data */
+typedef struct {
+ uint8_t none;
+} app_usbd_dummy_inst_t;
+
+/** @brief Dummy context */
+typedef struct {
+ uint8_t none;
+} app_usbd_dummy_ctx_t;
+
+
+/**
+ * @brief Dummy configuration macro
+ *
+ * Used by @ref APP_USBD_DUMMY_GLOBAL_DEF
+ *
+ * @param iface Interface number
+ * */
+#define APP_USBD_DUMMY_CONFIG(iface) (iface)
+
+
+/**
+ * @brief Specific class constant data for Dummy
+ *
+ * @ref app_usbd_dummy_inst_t
+ */
+#define APP_USBD_DUMMY_INSTANCE_SPECIFIC_DEC app_usbd_dummy_inst_t inst;
+
+/**
+ * @brief Specific class data for Dummy
+ *
+ * @ref app_usbd_dummy_ctx_t
+ * */
+#define APP_USBD_DUMMY_DATA_SPECIFIC_DEC app_usbd_dummy_ctx_t ctx;
+
+
+/** @brief Public Dummy class interface */
+extern const app_usbd_class_methods_t app_usbd_dummy_class_methods;
+
+/** @brief Global definition of Dummy instance */
+#define APP_USBD_DUMMY_GLOBAL_DEF_INTERNAL(instance_name, interface_number) \
+ APP_USBD_CLASS_INST_NO_EP_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_dummy, \
+ &app_usbd_dummy_class_methods, \
+ APP_USBD_DUMMY_CONFIG((interface_number)), \
+ () \
+ )
+
+
+/** @} */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_DUMMY_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_types.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_types.h
new file mode 100644
index 0000000..1a624a9
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/dummy/app_usbd_dummy_types.h
@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_DUMMY_TYPES_H__
+#define APP_USBD_DUMMY_TYPES_H__
+
+#include "app_util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_dummy_types USB Dummy types
+ * @ingroup app_usbd_dummy
+ *
+ * @brief @tagAPI52840 Types used in the USB Dummy class.
+ * @{
+ */
+
+/** @brief Dummy class definition in interface descriptor
+ *
+ * @ref app_usbd_descriptor_iface_t::bInterfaceClass
+ * */
+#define APP_USBD_DUMMY_CLASS 0xFF
+
+/** @brief Dummy subclass value */
+#define APP_USBD_DUMMY_SUBCLASS 0x00
+
+/** @brief Dummy protocol value */
+#define APP_USBD_DUMMY_PROTOCOL 0x00
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_DUMMY_TYPES_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.c
new file mode 100644
index 0000000..d8ff316
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.c
@@ -0,0 +1,508 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_HID)
+
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_hid.h"
+
+/**
+ * @ingroup app_usbd_hid_internals USBD HID internals
+ * @{
+ * @ingroup app_usbd_hid
+ * @internal
+ */
+
+/**
+ * @brief Test whether SOF HID transfer is required.
+ *
+ * This function handles idle period IN transfer.
+ *
+ * @param[in,out] p_hid_ctx Internal HID context.
+ * @param framecnt SOF event frame counter.
+ *
+ * @retval true Idle transfer is required.
+ * @retval false Idle transfer is not required.
+ */
+static bool hid_sof_required(app_usbd_hid_ctx_t * p_hid_ctx, uint16_t framecnt)
+{
+ if (p_hid_ctx->idle_rate == 0)
+ {
+ /* Infinite idle rate */
+ return false;
+ }
+
+ /*Idle rate has 4ms units. Every SOF event is generated with 1ms period.*/
+ uint16_t rate_ms = p_hid_ctx->idle_rate * 4;
+ if ((framecnt % rate_ms) != 0)
+ {
+ /* Idle transfer not required yet*/
+ return false;
+ }
+
+ if (p_hid_ctx->access_lock)
+ {
+ /* Access to internal data locked. Buffer is BUSY.
+ * Don't send anything. Clear transfer flag. Next transfer will be triggered
+ * from API context.*/
+ app_usbd_hid_state_flag_clr(p_hid_ctx, APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ return false;
+ }
+
+ if (app_usbd_hid_trans_required(p_hid_ctx))
+ {
+ /*New transfer need to be triggered*/
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * @brief User event handler.
+ *
+ * @param[in] p_inst Class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in] event user Event type.
+ */
+static inline void user_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_user_event_t event)
+{
+ if (p_hinst->user_event_handler != NULL)
+ {
+ p_hinst->user_event_handler(p_inst, event);
+ }
+}
+
+/**
+ * @brief Internal SETUP standard IN request handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in,out] p_hid_ctx HID context.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_std_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ /* Only Get Descriptor standard IN request is supported by HID class */
+ if ((app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQREC_INTERFACE)
+ &&
+ (p_setup_ev->setup.bmRequest == APP_USBD_SETUP_STDREQ_GET_DESCRIPTOR))
+ {
+ size_t dsc_len = 0;
+ size_t max_size;
+
+ uint8_t * p_trans_buff = app_usbd_core_setup_transfer_buff_get(&max_size);
+
+ /* Try to find descriptor in class internals*/
+ ret_code_t ret = app_usbd_class_descriptor_find(
+ p_inst,
+ p_setup_ev->setup.wValue.hb,
+ p_setup_ev->setup.wValue.lb,
+ p_trans_buff,
+ &dsc_len);
+
+ if (ret != NRF_ERROR_NOT_FOUND)
+ {
+ ASSERT(dsc_len < NRF_DRV_USBD_EPSIZE);
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_trans_buff, dsc_len);
+ }
+
+ /* HID specific descriptors*/
+
+ app_usbd_class_descriptor_ctx_t desiz;
+ APP_USBD_CLASS_DESCRIPTOR_INIT(&desiz);
+ uint32_t report_size = 0;
+
+ while(p_hinst->p_hid_methods->feed_subclass_descriptor(&desiz,
+ p_inst,
+ NULL,
+ sizeof(uint8_t),
+ p_setup_ev->setup.wValue.lb)
+ )
+ {
+ report_size++;
+ }
+
+ ASSERT(report_size <= max_size);
+
+ UNUSED_RETURN_VALUE(
+ p_hinst->p_hid_methods->feed_subclass_descriptor(&desiz,
+ p_inst,
+ p_trans_buff,
+ report_size,
+ p_setup_ev->setup.wValue.lb));
+
+ return app_usbd_core_setup_rsp(
+ &p_setup_ev->setup,
+ p_trans_buff,
+ report_size);
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP standard OUT request handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in,out] p_hid_ctx HID context.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_std_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ /*Only Set Descriptor standard OUT request is supported by HID class. However, it is optional
+ * and useless in HID cases.*/
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP class IN request handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in,out] p_hid_ctx HID context.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_class_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_HID_REQ_GET_REPORT:
+ {
+ if ((p_setup_ev->setup.wValue.hb == APP_USBD_HID_REPORT_TYPE_INPUT) ||
+ (p_setup_ev->setup.wValue.hb == APP_USBD_HID_REPORT_TYPE_OUTPUT))
+ {
+ return p_hinst->p_hid_methods->on_get_report(p_inst, p_setup_ev);
+ }
+ else
+ {
+ break;
+ }
+ }
+ case APP_USBD_HID_REQ_GET_IDLE:
+ {
+ return app_usbd_core_setup_rsp(&p_setup_ev->setup,
+ &p_hid_ctx->idle_rate,
+ sizeof(p_hid_ctx->idle_rate));
+ }
+ case APP_USBD_HID_REQ_GET_PROTOCOL:
+ {
+ return app_usbd_core_setup_rsp(&p_setup_ev->setup,
+ &p_hid_ctx->boot_active,
+ sizeof(p_hid_ctx->boot_active));
+ }
+ default:
+ break;
+
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP class OUT request handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in,out] p_hid_ctx HID context.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_req_class_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_HID_REQ_SET_REPORT:
+ if (p_setup_ev->setup.wValue.hb != APP_USBD_HID_REPORT_TYPE_OUTPUT)
+ {
+ break;
+ }
+
+ if (p_hinst->p_hid_methods->on_get_report == NULL)
+ {
+ break;
+ }
+
+ return p_hinst->p_hid_methods->on_set_report(p_inst, p_setup_ev);
+ case APP_USBD_HID_REQ_SET_IDLE:
+ p_hid_ctx->idle_rate = p_setup_ev->setup.wValue.hb;
+ return NRF_SUCCESS;
+ case APP_USBD_HID_REQ_SET_PROTOCOL:
+ p_hid_ctx->boot_active = p_setup_ev->setup.wValue.w;
+ {
+ app_usbd_hid_user_event_t ev = (p_hid_ctx->boot_active == 0) ?
+ APP_USBD_HID_USER_EVT_SET_BOOT_PROTO :
+ APP_USBD_HID_USER_EVT_SET_REPORT_PROTO;
+
+ user_event_handler(p_inst, p_hinst, ev);
+ }
+ return NRF_SUCCESS;
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP event handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in,out] p_hid_ctx HID context.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t setup_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ ASSERT(p_hinst != NULL);
+ ASSERT(p_hid_ctx != NULL);
+ ASSERT(p_setup_ev != NULL);
+
+ if (app_usbd_setup_req_dir(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQDIR_IN)
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_in(p_inst, p_hinst, p_hid_ctx, p_setup_ev);
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_in(p_inst, p_hinst, p_hid_ctx, p_setup_ev);
+ default:
+ break;
+ }
+ }
+ else /*APP_USBD_SETUP_REQDIR_OUT*/
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_out(p_inst, p_hinst, p_hid_ctx, p_setup_ev);
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_out(p_inst, p_hinst, p_hid_ctx, p_setup_ev);
+ default:
+ break;
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Endpoint IN event handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in,out] p_hid_ctx HID context.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t endpoint_in_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_complex_evt_t const * p_event)
+{
+
+ if (p_event->drv_evt.data.eptransfer.status == NRF_USBD_EP_OK)
+ {
+ /* Notify user about last successful transfer. */
+ user_event_handler(p_inst, p_hinst, APP_USBD_HID_USER_EVT_IN_REPORT_DONE);
+ }
+
+ if (app_usbd_hid_access_lock_test(p_hid_ctx))
+ {
+ /* Access to internal data locked. Buffer is BUSY.
+ * Don't send anything. Clear transfer flag. Next transfer will be triggered
+ * from main loop context.*/
+ app_usbd_hid_state_flag_clr(p_hid_ctx, APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ return NRF_SUCCESS;
+ }
+
+ return p_hinst->p_hid_methods->ep_transfer_in(p_inst);
+}
+
+/**
+ * @brief Endpoint OUT event handler.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in,out] p_hid_ctx HID context.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+static ret_code_t endpoint_out_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_complex_evt_t const * p_event)
+{
+ if (p_hinst->p_hid_methods->ep_transfer_out == NULL)
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ if (p_event->drv_evt.data.eptransfer.status == NRF_USBD_EP_OK)
+ {
+ /* Notify user about last successful transfer. */
+ user_event_handler(p_inst, p_hinst, APP_USBD_HID_USER_EVT_OUT_REPORT_READY);
+ }
+
+ return p_hinst->p_hid_methods->ep_transfer_out(p_inst);
+}
+
+/** @} */
+
+
+ret_code_t app_usbd_hid_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ret_code_t ret = NRF_SUCCESS;
+ switch (p_event->app_evt.type)
+ {
+ case APP_USBD_EVT_DRV_SOF:
+ if (!hid_sof_required(p_hid_ctx, p_event->drv_evt.data.sof.framecnt))
+ {
+ break;
+ }
+ ret = p_hinst->p_hid_methods->ep_transfer_in(p_inst);
+ break;
+ case APP_USBD_EVT_DRV_RESET:
+ app_usbd_hid_state_flag_clr(p_hid_ctx, APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ break;
+ case APP_USBD_EVT_DRV_SETUP:
+ ret = setup_event_handler(p_inst, p_hinst, p_hid_ctx, &p_event->setup_evt);
+ break;
+ case APP_USBD_EVT_DRV_EPTRANSFER:
+ if (NRF_USBD_EPIN_CHECK(p_event->drv_evt.data.eptransfer.ep))
+ {
+ ret = endpoint_in_event_handler(p_inst, p_hinst, p_hid_ctx, p_event);
+ }
+ else
+ {
+ ret = endpoint_out_event_handler(p_inst, p_hinst, p_hid_ctx, p_event);
+ }
+ break;
+ case APP_USBD_EVT_DRV_SUSPEND:
+ app_usbd_hid_state_flag_set(p_hid_ctx, APP_USBD_HID_STATE_FLAG_SUSPENDED);
+ break;
+ case APP_USBD_EVT_DRV_RESUME:
+ app_usbd_hid_state_flag_clr(p_hid_ctx, APP_USBD_HID_STATE_FLAG_SUSPENDED);
+
+ /* Always try to trigger transfer on resume event*/
+ ret = p_hinst->p_hid_methods->ep_transfer_in(p_inst);
+ break;
+ case APP_USBD_EVT_INST_APPEND:
+ /*SOF register: GetIdle/SetIdle support*/
+ ret = app_usbd_class_sof_register(p_inst);
+ if (ret != NRF_SUCCESS)
+ {
+ break;
+ }
+ ret = app_usbd_class_rwu_register(p_inst);
+ if (ret != NRF_SUCCESS)
+ {
+ break;
+ }
+ app_usbd_hid_state_flag_set(p_hid_ctx, APP_USBD_HID_STATE_FLAG_APPENDED);
+ break;
+ case APP_USBD_EVT_INST_REMOVE:
+ /*SOF unregister: GetIdle/SetIdle support*/
+ ret = app_usbd_class_sof_unregister(p_inst);
+ if (ret != NRF_SUCCESS)
+ {
+ break;
+ }
+ ret = app_usbd_class_rwu_unregister(p_inst);
+ if (ret != NRF_SUCCESS)
+ {
+ break;
+ }
+ app_usbd_hid_state_flag_clr(p_hid_ctx, APP_USBD_HID_STATE_FLAG_APPENDED);
+ break;
+ case APP_USBD_EVT_STARTED:
+ app_usbd_hid_state_flag_set(p_hid_ctx, APP_USBD_HID_STATE_FLAG_STARTED);
+ break;
+ case APP_USBD_EVT_STOPPED:
+ app_usbd_hid_state_flag_clr(p_hid_ctx, APP_USBD_HID_STATE_FLAG_STARTED);
+ break;
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ return ret;
+}
+
+app_usbd_hid_report_buffer_t * app_usbd_hid_rep_buff_in_get(app_usbd_hid_inst_t const * p_hinst)
+{
+ ASSERT(p_hinst);
+ return p_hinst->p_rep_buffer_in;
+}
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_HID)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.h
new file mode 100644
index 0000000..c4638ab
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid.h
@@ -0,0 +1,515 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_H__
+#define APP_USBD_HID_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "sdk_common.h"
+#include "nrf_atomic.h"
+#include "app_usbd_hid_types.h"
+#include "app_usbd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_hid USB HID class
+ * @ingroup app_usbd
+ *
+ * @brief @tagAPI52840 Module with generic HID event data processing.
+ * @{
+ */
+
+#define APP_USBD_HID_IFACE_IDX 0 /**< @brief HID instance interface index. */
+#define APP_USBD_HID_EPIN_IDX 0 /**< @brief HID instance endpoint IN index. */
+#define APP_USBD_HID_EPOUT_IDX 1 /**< @brief HID instance endpoint OUT index.*/
+
+/**
+ * @brief HID context state flags.
+ *
+ * Bit numbers in @ref app_usbd_hid_ctx_t::state_flags.
+ */
+typedef enum {
+ APP_USBD_HID_STATE_FLAG_APPENDED = 0, /**< State flag APPENDED. */
+ APP_USBD_HID_STATE_FLAG_STARTED = 1, /**< State flag STARTED. */
+ APP_USBD_HID_STATE_FLAG_SUSPENDED = 2, /**< State flag SUSPENDED. */
+ APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS = 3, /**< State flag TRANS_IN_PROGRESS. */
+} app_usbd_hid_state_flag_t;
+
+/**
+ * @brief Events passed to user event handler.
+ *
+ * @note Example prototype of user event handler:
+ @code
+ void hid_user_ev_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_mouse_user_event_t event);
+ @endcode
+ */
+typedef enum {
+ APP_USBD_HID_USER_EVT_SET_BOOT_PROTO, /**< Event SET_BOOT_PROTOCOL. */
+ APP_USBD_HID_USER_EVT_SET_REPORT_PROTO, /**< Event SET_REPORT_PROTOCOL.*/
+ APP_USBD_HID_USER_EVT_OUT_REPORT_READY, /**< Event OUT_REPORT_READY. */
+ APP_USBD_HID_USER_EVT_IN_REPORT_DONE, /**< Event IN_REPORT_DONE. */
+} app_usbd_hid_user_event_t;
+
+
+/**
+ * @brief User event handler.
+ *
+ * @param[in] p_inst Class instance.
+ * @param[in] event User event.
+ */
+typedef void (*app_usbd_hid_user_ev_handler_t)(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_user_event_t event);
+
+/**@brief HID unified interface*/
+typedef struct {
+
+ /**
+ * @brief Function called on HID specific, GetReport request.
+ *
+ * This function should trigger data write to control pipe.
+ *
+ * @param[in] p_inst Class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+ ret_code_t (*on_get_report)(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev);
+
+ /**
+ * @brief Function called on HID specific, SetReport request.
+ *
+ * This function should trigger data read from control pipe. This function is not required and
+ * NULL could be pinned to this handler when output report is not defined in report descriptor.
+ *
+ * @param[in] p_inst Class instance.
+ * @param[in] p_setup_ev Setup event.
+ *
+ * @return Standard error code.
+ */
+ ret_code_t (*on_set_report)(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev);
+
+ /**
+ * @brief Function called on IN endpoint transfer.
+ *
+ * This function should trigger next endpoint IN transfer if required.
+ *
+ * @param[in] p_inst Class instance.
+ *
+ * @return Standard error code.
+ */
+ ret_code_t (*ep_transfer_in)(app_usbd_class_inst_t const * p_inst);
+
+ /**
+ * @brief Function called on OUT endpoint transfer.
+ *
+ * This function should should read data from OUT endpoint. This function is not required and
+ * NULL could be pinned to this handler when class doesn't have OUT endpoint.
+ *
+ * @param[in] p_inst Class instance.
+ *
+ * @return Standard error code.
+ */
+ ret_code_t (*ep_transfer_out)(app_usbd_class_inst_t const * p_inst);
+
+ /**
+ * @brief Instance feed subclass descriptor
+ *
+ * Feeds whole descriptor of the instance
+ * @param[in] p_ctx Class descriptor context
+ * @param[in,out] p_inst Instance of the class
+ * @param[out] buff Buffer for subclass descriptor
+ * @param[in] max_size Requested size of the subclass descriptor
+ * @param[in] index Index of the subclass descriptor
+ *
+ * @return True if not finished feeding the descriptor, false if done
+ */
+ bool (*feed_subclass_descriptor)(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * buff,
+ size_t max_size,
+ uint8_t index);
+} app_usbd_hid_methods_t;
+
+/**
+ * @brief HID report buffers.
+ */
+typedef struct {
+ uint8_t * p_buff;
+ size_t size;
+} app_usbd_hid_report_buffer_t;
+
+
+
+/**@brief Define OUT report buffer structure @ref app_usbd_hid_report_buffer_t.
+ *
+ * @param name Instance name.
+ * @param rep_size Output report size.
+ */
+#define APP_USBD_HID_GENERIC_GLOBAL_OUT_REP_DEF(name, rep_size) \
+ static uint8_t CONCAT_2(name, _buf)[(rep_size)]; \
+ const app_usbd_hid_report_buffer_t name = { \
+ .p_buff = CONCAT_2(name, _buf), \
+ .size = sizeof(CONCAT_2(name, _buf)), \
+ }
+
+/**
+ * @brief HID subclass descriptor.
+ */
+
+typedef struct {
+ size_t size;
+ app_usbd_descriptor_t type;
+ uint8_t const * const p_data;
+} app_usbd_hid_subclass_desc_t;
+
+/**
+ * @brief Initializer of HID report descriptor
+ *
+ * @param name Report descriptor name
+ * @param ... Report descriptor data
+ */
+
+#define APP_USBD_HID_GENERIC_SUBCLASS_REPORT_DESC(name, ...) \
+ static uint8_t const CONCAT_2(name, _data)[] = \
+ __VA_ARGS__ \
+ ; \
+ static const app_usbd_hid_subclass_desc_t name = \
+ { \
+ sizeof(CONCAT_2(name, _data)), \
+ APP_USBD_DESCRIPTOR_REPORT, \
+ CONCAT_2(name,_data) \
+ }
+
+/**
+ * @brief Initializer of HID physical descriptor
+ *
+ * @param name Physical descriptor name
+ * @param ... Physical descriptor data
+ */
+
+#define APP_USBD_HID_GENERIC_SUBCLASS_PHYSICAL_DESC(name, ...) \
+ static uint8_t const CONCAT_2(name, _data)[] = \
+ __VA_ARGS__ \
+ ; \
+ static const app_usbd_hid_subclass_desc_t name = \
+ { \
+ sizeof(CONCAT_2(name, _data)), \
+ APP_USBD_DESCRIPTOR_PHYSICAL, \
+ CONCAT_2(name,_data) \
+ }
+
+
+/**
+ * @brief USB HID instance.
+ */
+typedef struct {
+ app_usbd_hid_subclass_desc_t const ** const p_subclass_desc; //!< HID subclass descriptors array.
+ size_t subclass_desc_count; //!< HID subclass descriptors count.
+
+ app_usbd_hid_subclass_t subclass_boot; //!< Boot device (see HID definition)
+ app_usbd_hid_protocol_t protocol; //!< HID protocol (see HID definition)
+
+ app_usbd_hid_report_buffer_t * p_rep_buffer_in; //!< Report buffer IN.
+ app_usbd_hid_report_buffer_t const * p_rep_buffer_out; //!< Report buffer OUT (only one instance).
+ app_usbd_hid_methods_t const * p_hid_methods; //!< Hid interface methods.
+ app_usbd_hid_user_ev_handler_t user_event_handler; //!< User event handler.
+} app_usbd_hid_inst_t;
+
+
+/**
+ * @brief USB HID instance initializer @ref app_usbd_hid_inst_t.
+ *
+ * @param subclass_dsc HID subclass descriptors.
+ * @param sub_boot Subclass boot. (@ref app_usbd_hid_subclass_t)
+ * @param protocl HID protocol. (@ref app_usbd_hid_protocol_t)
+ * @param report_buff_in Input report buffer list.
+ * @param report_buff_out Output report buffer.
+ * @param user_ev_handler @ref app_usbd_hid_user_ev_handler_t.
+ @param hid_methods @ref app_usbd_hid_methods_t.
+ * */
+
+#define APP_USBD_HID_INST_CONFIG(subclass_dsc, \
+ sub_boot, \
+ protocl, \
+ report_buff_in, \
+ report_buff_out, \
+ user_ev_handler, \
+ hid_methods) \
+ { \
+ .p_subclass_desc = subclass_dsc, \
+ .subclass_desc_count = ARRAY_SIZE(subclass_dsc), \
+ .p_rep_buffer_in = report_buff_in, \
+ .p_rep_buffer_out = report_buff_out, \
+ .user_event_handler = user_ev_handler, \
+ .p_hid_methods = hid_methods, \
+ .subclass_boot = sub_boot, \
+ .protocol = protocl \
+ }
+
+/**
+ * @brief HID internal context.
+ * */
+typedef struct {
+ nrf_atomic_u32_t state_flags; //!< HID state flags @ref app_usbd_hid_state_flag_t.
+ nrf_atomic_flag_t access_lock; //!< Lock flag to internal data.
+ uint8_t idle_rate; //!< HID idle rate (4ms units).
+ uint8_t boot_active; //!< HID using boot protocol.
+} app_usbd_hid_ctx_t;
+
+
+/**
+ * @brief Locks internal hid context.
+ *
+ * Simple semaphore functionality to prevent concurrent access from application and
+ * interrupt to internal mouse data.
+ *
+ * @param[in] p_hid_ctx Internal hid context
+ */
+static inline void app_usbd_hid_access_lock(app_usbd_hid_ctx_t * p_hid_ctx)
+{
+ UNUSED_RETURN_VALUE(nrf_atomic_flag_set(&p_hid_ctx->access_lock));
+ __DSB();
+}
+
+
+/**
+ * @brief Unlocks internal hid context.
+ *
+ * Simple semaphore functionality to prevent concurrent access from application and
+ * interrupt to internal mouse data.
+ *
+ * @param[in] p_hid_ctx Internal hid context.
+ */
+static inline void app_usbd_hid_access_unlock(app_usbd_hid_ctx_t * p_hid_ctx)
+{
+ UNUSED_RETURN_VALUE(nrf_atomic_flag_clear(&p_hid_ctx->access_lock));
+ __DSB();
+}
+
+/**
+ * @brief Tests whether internal lock is acquired.
+ *
+ * @param[in] p_hid_ctx Internal HID context.
+ *
+ * @retval true Locked.
+ * @retval false Unlocked.
+ */
+static inline bool app_usbd_hid_access_lock_test(app_usbd_hid_ctx_t * p_hid_ctx)
+{
+ return p_hid_ctx->access_lock != 0;
+}
+
+/**
+ * @brief Set one of the HID internal state flags.
+ *
+ * @param[in] p_hid_ctx Internal HID context.
+ * @param[in] flag Flag to set.
+ */
+static inline void app_usbd_hid_state_flag_set(app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_hid_state_flag_t flag)
+{
+ UNUSED_RETURN_VALUE(nrf_atomic_u32_or(&p_hid_ctx->state_flags, 1u << flag));
+}
+
+/**
+ * @brief Clear one of the HID internal state flags.
+ *
+ * @param[in] p_hid_ctx Internal HID context.
+ * @param[in] flag Flag to clear.
+ */
+static inline void app_usbd_hid_state_flag_clr(app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_hid_state_flag_t flag)
+{
+ UNUSED_RETURN_VALUE(nrf_atomic_u32_and(&p_hid_ctx->state_flags, ~(1u << flag)));
+}
+
+
+/**
+ * @brief Test one of the HID internal state flags.
+ *
+ * @param[in] p_hid_ctx Internal HID context.
+ * @param[in] flag Flag to test.
+ *
+ * @retval true Flag is set.
+ * @retval false Flag is not set.
+ */
+static inline bool app_usbd_hid_state_flag_test(app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_hid_state_flag_t flag)
+{
+ return ((p_hid_ctx->state_flags >> flag) & 1) == 1;
+}
+
+/**
+ * @brief Checks whether HID endpoint transfer required.
+ *
+ * @param[in] p_hid_ctx Internal HID context.
+ *
+ * @retval true Input endpoint transfer required.
+ * @retval false Transfer in progress or not allowed.
+ */
+static inline bool app_usbd_hid_trans_required(app_usbd_hid_ctx_t * p_hid_ctx)
+{
+ if (app_usbd_hid_state_flag_test(p_hid_ctx, APP_USBD_HID_STATE_FLAG_SUSPENDED) != 0)
+ {
+ UNUSED_RETURN_VALUE(app_usbd_wakeup_req());
+ return false;
+ }
+
+ return app_usbd_hid_state_flag_test(p_hid_ctx, APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS) == 0;
+}
+
+/**
+ * @brief Validates internal hid state.
+ *
+ * HID Mouse has to receive some USBD events before functions from this module could be used.
+ *
+ * @param[in] p_hid_ctx Internal hid context.
+ *
+ * @retval true State is valid.
+ * @retval false State is invalid.
+ */
+static inline bool app_usbd_hid_state_valid(app_usbd_hid_ctx_t * p_hid_ctx)
+{
+ /*Check whether internal flags allow to enable mouse*/
+ if ((app_usbd_hid_state_flag_test(p_hid_ctx, APP_USBD_HID_STATE_FLAG_APPENDED) == 0) ||
+ (app_usbd_hid_state_flag_test(p_hid_ctx, APP_USBD_HID_STATE_FLAG_STARTED) == 0))
+ {
+ return false;
+ }
+
+ return true;
+}
+
+/**
+ * @brief HID generic event handler.
+ *
+ * This handler should process every class event after specific class handler.
+ * This approach allow to handle some events in the same way in all HID sub-classes.
+ *
+ * @param[in] p_inst Generic class instance.
+ * @param[in] p_hinst HID class instance.
+ * @param[in] p_hid_ctx HID context.
+ * @param[in] p_event Complex event structure.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_hid_inst_t const * p_hinst,
+ app_usbd_hid_ctx_t * p_hid_ctx,
+ app_usbd_complex_evt_t const * p_event);
+
+
+/**
+ * @brief Returns IN report buffer.
+ *
+ * @param[in] p_hinst HID class instance.
+ *
+ * @return Report buffer handle or NULL if report doesn't exist.
+ */
+app_usbd_hid_report_buffer_t * app_usbd_hid_rep_buff_in_get(app_usbd_hid_inst_t const * p_hinst);
+
+/**
+ * @brief Returns OUT report buffer.
+ *
+ * Output reports are handled in interrupt handler so only one buffer is required. Buffer returned by
+ * this function has predefined size, which should be equal (maximum OUTPUT report size + 1). To receive
+ * OUT report this function should be called on @ref APP_USBD_HID_USER_EVT_OUT_REPORT_READY event.
+ *
+ * @param[in] p_hinst HID class instance.
+ *
+ * @return Report buffer handle or NULL if report doesn't exist.
+ */
+static inline app_usbd_hid_report_buffer_t const *
+app_usbd_hid_rep_buff_out_get(app_usbd_hid_inst_t const * p_hinst)
+{
+ ASSERT(p_hinst);
+ return p_hinst->p_rep_buffer_out;
+}
+
+/**
+ * @brief Auxiliary function to access to HID IN endpoint address.
+ *
+ * @param[in] p_inst Class instance data.
+ *
+ * @return IN endpoint address.
+ */
+static inline nrf_drv_usbd_ep_t app_usbd_hid_epin_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_HID_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_HID_EPIN_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+/**
+ * @brief Auxiliary function to access to HID generic OUT endpoint address.
+ *
+ * @param[in] p_inst Class instance data.
+ *
+ * @return OUT endpoint address.
+ */
+static inline nrf_drv_usbd_ep_t app_usbd_hid_epout_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_HID_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_HID_EPOUT_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid_types.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid_types.h
new file mode 100644
index 0000000..9fc3486
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/app_usbd_hid_types.h
@@ -0,0 +1,281 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_TYPES_H__
+#define APP_USBD_HID_TYPES_H__
+
+#include <stdint.h>
+
+#include "app_usbd_types.h"
+#include "sdk_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_hid_types USB HID class types
+ * @ingroup app_usbd_hid
+ *
+ * @brief @tagAPI52840 Module with types and definitions used by HID modules.
+ * @{
+ */
+
+/**
+ * @brief HID class definition in interface descriptor.
+ *
+ * @ref app_usbd_descriptor_iface_t::bInterfaceClass
+ * */
+#define APP_USBD_HID_CLASS 0x03
+
+/**
+ * @brief HID subclass definition.
+ *
+ * @see HID 1.11 specification: Chapter 4.2 Subclass.
+ * @ref app_usbd_descriptor_iface_t::bInterfaceSubClass
+ * */
+typedef enum {
+ APP_USBD_HID_SUBCLASS_NONE = 0x00, /**< Undefined subclass. */
+ APP_USBD_HID_SUBCLASS_BOOT = 0x01, /**< Boot subclass. */
+} app_usbd_hid_subclass_t;
+
+/**
+ * @brief HID protocol types defined by specification.
+ *
+ * Value need to be filled in interface descriptor.
+ * @ref app_usbd_descriptor_iface_t::bInterfaceProtocol
+ */
+typedef enum {
+ APP_USBD_HID_PROTO_GENERIC = 0x00, /**< GENERIC protocol. */
+ APP_USBD_HID_PROTO_KEYBOARD = 0x01, /**< KEYBOARD protocol. */
+ APP_USBD_HID_PROTO_MOUSE = 0x02, /**< MOUSE protocol. */
+ APP_USBD_HID_PROTO_MULTITOUCH = 0x03, /**< MULTITOUCH protocol. */
+} app_usbd_hid_protocol_t;
+
+
+/**
+ * @brief HID country code ID.
+ *
+ * Look into @ref app_usbd_hid_descriptor_t::bCountryCode.
+ */
+typedef enum {
+ APP_USBD_HID_COUNTRY_NOT_SUPPORTED = 0 , /**< NOT_SUPPORTED */
+ APP_USBD_HID_COUNTRY_ARABIC = 1 , /**< ARABIC */
+ APP_USBD_HID_COUNTRY_BELGIAN = 2 , /**< BELGIAN */
+ APP_USBD_HID_COUNTRY_CANADIAN_BILINGUAL= 3 , /**< CANADIAN_BILINGUAL */
+ APP_USBD_HID_COUNTRY_CANADIAN_FRENCH = 4 , /**< CANADIAN_FRENCH */
+ APP_USBD_HID_COUNTRY_CZECH_REPUBLIC = 5 , /**< CZECH_REPUBLIC */
+ APP_USBD_HID_COUNTRY_DANISH = 6 , /**< DANISH */
+ APP_USBD_HID_COUNTRY_FINNISH = 7 , /**< FINNISH */
+ APP_USBD_HID_COUNTRY_FRENCH = 8 , /**< FRENCH */
+ APP_USBD_HID_COUNTRY_GERMAN = 9 , /**< GERMAN */
+ APP_USBD_HID_COUNTRY_GREEK = 10, /**< GREEK */
+ APP_USBD_HID_COUNTRY_HEBREW = 11, /**< HEBREW */
+ APP_USBD_HID_COUNTRY_HUNGARY = 12, /**< HUNGARY */
+ APP_USBD_HID_COUNTRY_INTERNATIONAL_ISO = 13, /**< INTERNATIONAL_ISO */
+ APP_USBD_HID_COUNTRY_ITALIAN = 14, /**< ITALIAN */
+ APP_USBD_HID_COUNTRY_JAPAN_KATAKANA = 15, /**< JAPAN_KATAKANA */
+ APP_USBD_HID_COUNTRY_KOREAN = 16, /**< KOREAN */
+ APP_USBD_HID_COUNTRY_LATIN_AMERICAN = 17, /**< LATIN_AMERICAN */
+ APP_USBD_HID_COUNTRY_NETHERLANDS_DUTCH = 18, /**< NETHERLANDS_DUTCH */
+ APP_USBD_HID_COUNTRY_NORWEGIAN = 19, /**< NORWEGIAN */
+ APP_USBD_HID_COUNTRY_PERSIAN_FARSI = 20, /**< PERSIAN_FARSI */
+ APP_USBD_HID_COUNTRY_POLAND = 21, /**< POLAND */
+ APP_USBD_HID_COUNTRY_PORTUGUESE = 22, /**< PORTUGUESE */
+ APP_USBD_HID_COUNTRY_RUSSIA = 23, /**< RUSSIA */
+ APP_USBD_HID_COUNTRY_SLOVAKIA = 24, /**< SLOVAKIA */
+ APP_USBD_HID_COUNTRY_SPANISH = 25, /**< SPANISH */
+ APP_USBD_HID_COUNTRY_SWEDISH = 26, /**< SWEDISH */
+ APP_USBD_HID_COUNTRY_SWISS_FRENCH = 27, /**< SWISS_FRENCH */
+ APP_USBD_HID_COUNTRY_SWISS_GERMAN = 28, /**< SWISS_GERMAN */
+ APP_USBD_HID_COUNTRY_SWITZERLAND = 29, /**< SWITZERLAND */
+ APP_USBD_HID_COUNTRY_TAIWAN = 30, /**< TAIWAN */
+ APP_USBD_HID_COUNTRY_TURKISH_Q = 31, /**< TURKISH_Q */
+ APP_USBD_HID_COUNTRY_UK = 32, /**< UK */
+ APP_USBD_HID_COUNTRY_US = 33, /**< US */
+ APP_USBD_HID_COUNTRY_YUGOSLAVIA = 34, /**< YUGOSLAVIA */
+ APP_USBD_HID_COUNTRY_TURKISH_F = 35, /**< TURKISH_F */
+} app_usbd_hid_country_code_t;
+
+/**
+ * @brief HID descriptor types.
+ *
+ * @ref app_usbd_hid_descriptor_t::bRDescriptorType
+ */
+typedef enum {
+ APP_USBD_HID_DESCRIPTOR_HID = 0x21, /**< HID descriptor. */
+ APP_USBD_HID_DESCRIPTOR_REPORT = 0x22, /**< REPORT descriptor. */
+ APP_USBD_HID_DESCRIPTOR_PHYSICAL = 0x23, /**< PHYSICAL descriptor. */
+} app_usbd_hid_descriptor_type_t;
+
+#pragma pack(push, 1)
+
+/**
+ * @brief HID report descriptor entry at the end of HID descriptor.
+ *
+ * @param size Report descriptor size.
+ */
+#define APP_USBD_HID_REPORT_ITEM(size) \
+ APP_USBD_HID_DESCRIPTOR_REPORT, ((size) & 0xFF), ((size) / 256)
+
+
+/**
+ * @brief HID physical descriptor entry at the end of HID descriptor.
+ *
+ * @param size Physical descriptor size.
+ */
+#define APP_USBD_HID_PHYSICAL_ITEM(size) \
+ APP_USBD_HID_DESCRIPTOR_PHYSICAL, ((size) & 0xFF), ((size) / 256)
+
+
+/**
+ * @brief HID descriptor, binary layout.
+ */
+typedef union {
+ struct {
+ uint8_t bLength; //!< Length of descriptor.
+ uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_HID_DESCRIPTOR_HID.
+ uint16_t bcdHID; //!< HID release number (BCD format, little endian).
+ uint8_t bCountryCode; //!< Country code.
+ uint8_t bNumDescriptors; //!< Number of class descriptors.
+ struct {
+ uint8_t bRDescriptorType; //!< Class descriptor type.
+ uint16_t wDescriptorLength; //!< Class descriptor length (little endian).
+ } reports[];
+ } raw;
+} app_usbd_hid_descriptor_t;
+
+#pragma pack(pop)
+
+
+/**
+ * @brief HID requests defined by specification.
+ */
+typedef enum {
+ APP_USBD_HID_REQ_GET_REPORT = 0x01, /**< REPORT: device -> host (required). */
+ APP_USBD_HID_REQ_GET_IDLE = 0x02, /**< IDLE: device -> host (not required). */
+ APP_USBD_HID_REQ_GET_PROTOCOL = 0x03, /**< PROTOCOL: device -> host (required for boot protocol). */
+ APP_USBD_HID_REQ_SET_REPORT = 0x09, /**< REPORT: host -> device (not required). */
+ APP_USBD_HID_REQ_SET_IDLE = 0x0A, /**< IDLE: no data stage (required for boot protocol). */
+ APP_USBD_HID_REQ_SET_PROTOCOL = 0x0B, /**< PROTOCOL: no data stage(required for boot protocol). */
+} app_usbd_hid_req_t;
+
+/**
+ * @brief HID report type.
+ */
+typedef enum {
+ APP_USBD_HID_REPORT_TYPE_INPUT = 0x01,/**< INPUT report type */
+ APP_USBD_HID_REPORT_TYPE_OUTPUT = 0x02,/**< OUTPUT report type */
+ APP_USBD_HID_REPORT_TYPE_FEATURE = 0x03,/**< FEATURE report type */
+} app_usbd_hid_report_type_t;
+
+
+/**
+ * @brief Hid version BCD value definition
+ *
+ * The version of the HID descriptors used.
+ */
+#define APP_USBD_HID_BCD_VER APP_USBD_BCD_VER_MAKE(1, 11)
+
+/**
+ * @brief HID version BCD value definition distributed into bytes
+ *
+ * This is a value written directly into @ref app_usbd_hid_descriptor_t::bcdHID.
+ * @sa APP_USBD_HID_BCD_VER
+ */
+#define APP_USBD_HID_BCD_VER_BYTES LSB_16(APP_USBD_HID_BCD_VER), MSB_16(APP_USBD_HID_BCD_VER)
+
+/**
+ * @brief Initializer of interface descriptor for HID classes.
+ *
+ * @param interface_number Interface number.
+ * @param endpoints_num Number of endpoints.
+ * @param subclass Subclass type @ref app_usbd_hid_subclass_t.
+ * @param protocol Protocol type @ref app_usbd_hid_protocol_t.
+ */
+#define APP_USBD_HID_INTERFACE_DSC(interface_number, endpoints_num, subclass, protocol) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_iface_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_INTERFACE, \
+ /*.bInterfaceNumber = */ interface_number, \
+ /*.bAlternateSetting = */ 0x00, \
+ /*.bNumEndpoints = */ endpoints_num, \
+ /*.bInterfaceClass = */ APP_USBD_HID_CLASS, \
+ /*.bInterfaceSubClass = */ subclass, \
+ /*.bInterfaceProtocol = */ protocol, \
+ /*.iInterface = 0, */ 0x00, \
+
+
+/**
+ * @brief Initializer of HID descriptor for HID classes.
+ *
+ * @param ... Report/physical item list.
+ */
+#define APP_USBD_HID_HID_DSC(...) \
+ /*.bLength = */ sizeof(app_usbd_hid_descriptor_t) + 3 * (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bDescriptorType = */ APP_USBD_HID_DESCRIPTOR_HID, \
+ /*.bcdHID = */ APP_USBD_HID_BCD_VER_BYTES, \
+ /*.bCountryCode = */ APP_USBD_HID_COUNTRY_NOT_SUPPORTED, \
+ /*.bNumDescriptors = */ (NUM_VA_ARGS(__VA_ARGS__)), \
+ /*.bRDescriptorType = */ APP_USBD_HID_REPORT_ITEM(sizeof(GET_VA_ARG_1_(__VA_ARGS__))), \
+ /*.wDescriptorLength = */
+
+/**
+ * @brief Initializer of endpoint descriptor for HID classes.
+ *
+ * @param endpoint Endpoint number.
+ * @param ep_size Endpoint size.
+ * @param ep_interval Endpoint interval (milliseconds).
+ */
+#define APP_USBD_HID_EP_DSC(endpoint, ep_size, ep_interval) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_ep_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_ENDPOINT, \
+ /*.bEndpointAddress = */ endpoint, \
+ /*.bmAttributes = */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_INTERRUPT, \
+ /*.wMaxPacketSize = */ APP_USBD_U16_TO_RAW_DSC(ep_size), \
+ /*.bInterval = */ ep_interval, \
+
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_TYPES_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.c
new file mode 100644
index 0000000..61dea15
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.c
@@ -0,0 +1,506 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_HID_GENERIC)
+
+#include <string.h>
+#include "app_usbd_hid_generic.h"
+#include "app_util_platform.h"
+
+
+/**
+ * @ingroup app_usbd_hid_generic
+ *
+ * Module with types, definitions and API used by HID generic.
+ * @{
+ */
+
+/**
+ * @brief Auxiliary function to access HID generic context data.
+ *
+ * @param[in] p_generic HID generic instance.
+ *
+ * @return HID generic class instance data context.
+ */
+static inline app_usbd_hid_generic_ctx_t *
+hid_generic_ctx_get(app_usbd_hid_generic_t const * p_generic)
+{
+ ASSERT(p_generic != NULL);
+ ASSERT(p_generic->specific.p_data != NULL);
+ return &p_generic->specific.p_data->ctx;
+}
+
+
+/**
+ * @brief Auxiliary function to access HID generic instance data.
+ *
+ * @param[in] p_inst Class instance data.
+ *
+ * @return HID generic class instance data.
+ */
+static inline app_usbd_hid_generic_t const *
+hid_generic_get(app_usbd_class_inst_t const * p_inst)
+{
+ ASSERT(p_inst != NULL);
+ return (app_usbd_hid_generic_t const *)p_inst;
+}
+
+
+/**
+ * @brief Returns report ID buffer descriptor.
+ *
+ * @param[in] p_generic Internal HID generic context.
+ *
+ * @return HID report buffer.
+ */
+static inline app_usbd_hid_report_buffer_t *
+hid_generic_rep_buffer_get(app_usbd_hid_generic_t const * p_generic)
+{
+ ASSERT(p_generic != NULL);
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+
+ return app_usbd_hid_rep_buff_in_get(p_hinst);
+}
+
+
+/**
+ * @brief Auxiliary function to prepare report transfer buffer to next transfer.
+ *
+ * @param[in] p_generic HID generic instance.
+ *
+ * @retval true Next transfer required.
+ * @retval false Next transfer not required.
+ */
+static inline bool hid_generic_transfer_next(app_usbd_hid_generic_t const * p_generic)
+{
+ nrf_queue_t const * p_rep_in_queue = p_generic->specific.inst.p_rep_in_queue;
+
+ return !nrf_queue_is_empty(p_rep_in_queue);
+}
+
+
+/**
+ * @brief Triggers IN endpoint transfer.
+ *
+ * @param[in] p_generic HID generic instance.
+ *
+ * @return Standard error code.
+ */
+static inline ret_code_t hid_generic_transfer_set(app_usbd_hid_generic_t const * p_generic)
+{
+ app_usbd_class_inst_t const * p_inst = (app_usbd_class_inst_t const *)p_generic;
+ app_usbd_hid_generic_ctx_t * p_generic_ctx = hid_generic_ctx_get(p_generic);
+
+ nrf_drv_usbd_ep_t ep_addr = app_usbd_hid_epin_addr_get(p_inst);
+
+ app_usbd_hid_state_flag_clr(&p_generic_ctx->hid_ctx,
+ APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+
+ if (!hid_generic_transfer_next(p_generic))
+ {
+ return NRF_SUCCESS;
+ }
+
+ app_usbd_hid_report_buffer_t * p_rep_buff = hid_generic_rep_buffer_get(p_generic);
+ nrf_queue_t const * p_rep_in_queue = p_generic->specific.inst.p_rep_in_queue;
+
+ ret_code_t ret = nrf_queue_pop(p_rep_in_queue, p_rep_buff);
+ ASSERT(ret == NRF_SUCCESS);
+
+ NRF_DRV_USBD_TRANSFER_IN(transfer, p_rep_buff->p_buff, p_rep_buff->size);
+ CRITICAL_REGION_ENTER();
+ ret = app_usbd_ep_transfer(ep_addr, &transfer);
+ if (ret == NRF_SUCCESS)
+ {
+ app_usbd_hid_state_flag_set(&p_generic_ctx->hid_ctx,
+ APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+
+ret_code_t app_usbd_hid_generic_in_report_set(app_usbd_hid_generic_t const * p_generic,
+ const void * p_buff,
+ size_t size)
+{
+ app_usbd_hid_generic_ctx_t * p_generic_ctx = hid_generic_ctx_get(p_generic);
+ nrf_queue_t const * p_rep_in_queue = p_generic->specific.inst.p_rep_in_queue;
+ const app_usbd_hid_report_buffer_t rep_buff = {
+ .p_buff = (void *)p_buff,
+ .size = size,
+ };
+
+ if (nrf_queue_push(p_rep_in_queue, &rep_buff) != NRF_SUCCESS)
+ {
+ return NRF_ERROR_BUSY;
+ }
+
+ ret_code_t ret = NRF_SUCCESS;
+ if (app_usbd_hid_trans_required(&p_generic_ctx->hid_ctx))
+ {
+ ret = hid_generic_transfer_set(p_generic);
+ }
+
+ return ret;
+}
+
+
+const void * app_usbd_hid_generic_in_report_get(app_usbd_hid_generic_t const * p_generic,
+ size_t * p_size)
+{
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+
+ *p_size = p_hinst->p_rep_buffer_in->size;
+ return p_hinst->p_rep_buffer_in->p_buff;
+}
+
+
+const void * app_usbd_hid_generic_out_report_get(app_usbd_hid_generic_t const * p_generic,
+ size_t * p_size)
+{
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+
+ *p_size = p_hinst->p_rep_buffer_out->size;
+ return p_hinst->p_rep_buffer_out->p_buff;
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::on_get_report
+ */
+static ret_code_t hid_generic_on_get_report(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_hid_generic_t const * p_hinst = hid_generic_get(p_inst);
+ uint8_t const * p_rep_buffer = NULL;
+ size_t buffer_size = 0;
+
+ if (p_setup_ev->setup.wValue.hb == APP_USBD_HID_REPORT_TYPE_INPUT)
+ {
+ p_rep_buffer = app_usbd_hid_generic_in_report_get(p_hinst, &buffer_size);
+ }
+ else if (p_setup_ev->setup.wValue.hb == APP_USBD_HID_REPORT_TYPE_OUTPUT)
+ {
+ p_rep_buffer = app_usbd_hid_generic_out_report_get(p_hinst, &buffer_size);
+ }
+ else
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_rep_buffer, buffer_size);
+}
+
+
+static ret_code_t hid_generic_on_set_report_data_cb(nrf_drv_usbd_ep_status_t status,
+ void * p_context)
+{
+ app_usbd_hid_user_ev_handler_t handler;
+ app_usbd_hid_generic_t const * p_generic = (app_usbd_hid_generic_t const *)p_context;
+
+ if (status != NRF_USBD_EP_OK)
+ {
+ return NRF_ERROR_INTERNAL;
+ }
+
+ handler = p_generic->specific.inst.hid_inst.user_event_handler;
+ handler((app_usbd_class_inst_t const *)p_generic,
+ APP_USBD_HID_USER_EVT_OUT_REPORT_READY);
+ return NRF_SUCCESS;
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::on_set_report
+ */
+static ret_code_t hid_generic_on_set_report(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+
+ /*Request setup data*/
+ app_usbd_hid_report_buffer_t const * p_rep_buff;
+
+ p_rep_buff = app_usbd_hid_rep_buff_out_get(&p_generic->specific.inst.hid_inst);
+
+ p_rep_buff->p_buff[0] = p_setup_ev->setup.wValue.lb;
+ NRF_DRV_USBD_TRANSFER_OUT(transfer, p_rep_buff->p_buff + 1, p_rep_buff->size - 1);
+
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = app_usbd_ep_transfer(NRF_DRV_USBD_EPOUT0, &transfer);
+ if (ret == NRF_SUCCESS)
+ {
+ app_usbd_core_setup_data_handler_desc_t desc = {
+ .handler = hid_generic_on_set_report_data_cb,
+ .p_context = (void *)p_generic
+ };
+
+ ret = app_usbd_core_setup_data_handler_set(NRF_DRV_USBD_EPOUT0, &desc);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::ep_transfer_in
+ */
+static ret_code_t hid_generic_ep_transfer_in(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+ app_usbd_hid_generic_ctx_t * p_generic_ctx = hid_generic_ctx_get(p_generic);
+
+ nrf_queue_t const * p_rep_in_queue = p_generic->specific.inst.p_rep_in_queue;
+
+ if (nrf_queue_is_empty(p_rep_in_queue))
+ {
+ app_usbd_hid_state_flag_clr(&p_generic_ctx->hid_ctx,
+ APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ return NRF_SUCCESS;
+ }
+
+ /* Get next report to send */
+ return hid_generic_transfer_set((app_usbd_hid_generic_t const *)p_inst);
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::ep_transfer_out
+ */
+static ret_code_t hid_generic_ep_transfer_out(app_usbd_class_inst_t const * p_inst)
+{
+
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+ nrf_drv_usbd_ep_t ep_addr = app_usbd_hid_epout_addr_get(p_inst);
+
+ /*Request setup data*/
+ app_usbd_hid_report_buffer_t const * p_rep_buff;
+
+ p_rep_buff = app_usbd_hid_rep_buff_out_get(&p_generic->specific.inst.hid_inst);
+ NRF_DRV_USBD_TRANSFER_OUT(transfer, p_rep_buff->p_buff, p_rep_buff->size);
+
+ return app_usbd_ep_transfer(ep_addr, &transfer);
+}
+
+
+/**
+ * @brief @ref app_usbd_class_interface_t::event_handler
+ */
+static ret_code_t hid_generic_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_event != NULL);
+
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+ app_usbd_hid_generic_ctx_t * p_generic_ctx = hid_generic_ctx_get(p_generic);
+ app_usbd_hid_ctx_t * p_hid_ctx = &p_generic_ctx->hid_ctx;
+
+ /*Try handle event by generic HID event handler*/
+ return app_usbd_hid_event_handler(p_inst, p_hinst, p_hid_ctx, p_event);
+}
+
+
+static uint8_t hid_generic_get_class_descriptors_count(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+
+ return p_hinst->subclass_desc_count;
+}
+
+
+static app_usbd_descriptor_t hid_generic_get_class_descriptors_type(
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num)
+{
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->type;
+}
+
+
+static size_t hid_generic_get_class_descriptors_length(app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num)
+{
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->size;
+}
+
+
+static uint8_t hid_generic_get_class_descriptors_data(app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num,
+ uint32_t cur_byte)
+{
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_generic->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->p_data[cur_byte];
+}
+
+
+/**
+ * @brief @ref app_usbd_class_interface_t::feed_descriptors
+ */
+static bool hid_generic_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static uint8_t ifaces = 0;
+ ifaces = app_usbd_class_iface_count_get(p_inst);
+ app_usbd_hid_generic_t const * p_generic = hid_generic_get(p_inst);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ static uint8_t i = 0;
+
+ for (i = 0; i < ifaces; i++)
+ {
+ /* INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+
+ static app_usbd_class_iface_conf_t const * p_cur_iface = NULL;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, i);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_ep_count_get(p_cur_iface)); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_CLASS); // bInterfaceClass = HID
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_generic->specific.inst.hid_inst.subclass_boot); // bInterfaceSubclass (Boot Interface)
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_generic->specific.inst.hid_inst.protocol); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ /* HID DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_DESCRIPTOR_HID); // bDescriptorType = HID
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(APP_USBD_HID_BCD_VER)); // bcdHID LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(APP_USBD_HID_BCD_VER)); // bcdHID MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_COUNTRY_NOT_SUPPORTED); // bCountryCode
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_generic_get_class_descriptors_count(p_inst)); // bNumDescriptors
+
+ static uint8_t class_desc_cnt = 0;
+ class_desc_cnt = hid_generic_get_class_descriptors_count(p_inst);
+ static uint8_t j = 0;
+ static uint16_t class_desc_len = 0;
+
+ for (j = 0; j < class_desc_cnt; j++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_generic_get_class_descriptors_type(p_inst, j)); // bDescriptorType
+
+ class_desc_len = hid_generic_get_class_descriptors_length(p_inst, j);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(class_desc_len)); // wDescriptorLength LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(class_desc_len)); // wDescriptorLength MSB
+ }
+
+ static uint8_t endpoints = 0;
+ endpoints = app_usbd_class_iface_ep_count_get(p_cur_iface);
+
+ for (j = 0; j < endpoints; j++)
+ {
+ /* ENDPOINT DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x07); // bLengths
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_ENDPOINT); // bDescriptorType = Endpoint
+
+ static app_usbd_class_ep_conf_t const * p_cur_ep = NULL;
+ p_cur_ep = app_usbd_class_iface_ep_get(p_cur_iface, i);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_ep_address_get(p_cur_ep)); // bEndpointAddress
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_INTERRUPT); // bmAttributes
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x01); // bInterval
+ }
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::feed_subclass_descriptor
+ */
+
+static bool hid_generic_feed_subclass_descriptor(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size,
+ uint8_t index)
+{
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ /* PHYSICAL AND REPORT DESCRIPTORS */
+ static uint32_t cur_byte = 0;
+ static size_t sub_desc_size = 0;
+ sub_desc_size = hid_generic_get_class_descriptors_length(p_inst, index);
+
+ for (cur_byte = 0; cur_byte < sub_desc_size; cur_byte++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_generic_get_class_descriptors_data(p_inst, index,
+ cur_byte));
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+
+/** @} */
+
+const app_usbd_hid_methods_t app_usbd_hid_generic_methods = {
+ .on_get_report = hid_generic_on_get_report,
+ .on_set_report = hid_generic_on_set_report,
+ .ep_transfer_in = hid_generic_ep_transfer_in,
+ .ep_transfer_out = hid_generic_ep_transfer_out,
+ .feed_subclass_descriptor = hid_generic_feed_subclass_descriptor,
+};
+
+const app_usbd_class_methods_t app_usbd_generic_class_methods = {
+ .event_handler = hid_generic_event_handler,
+ .feed_descriptors = hid_generic_feed_descriptors,
+};
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_HID_GENERIC)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.h
new file mode 100644
index 0000000..3642b16
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic.h
@@ -0,0 +1,223 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_GENERIC_H__
+#define APP_USBD_HID_GENERIC_H__
+
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd_hid_types.h"
+#include "app_usbd_hid.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_descriptor.h"
+#include "app_usbd_hid_generic_desc.h"
+#include "app_usbd_hid_generic_internal.h"
+
+/**
+ * @defgroup app_usbd_hid_generic USB HID generic
+ * @ingroup app_usbd_hid
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID generic class.
+ * @{
+ */
+
+
+#ifdef DOXYGEN
+/**
+ * @brief HID generic class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_hid_generic_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_TYPEDEF(app_usbd_hid_generic, \
+ APP_USBD_HID_GENERIC_CONFIG(0, (NRF_DRV_USBD_EPIN1, NRF_DRV_USBD_EPOUT1)), \
+ APP_USBD_HID_GENERIC_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_HID_GENERIC_DATA_SPECIFIC_DEC \
+);
+/*lint -restore*/
+#endif
+
+/**
+ * @brief Global definition of app_usbd_hid_generic_t class.
+ *
+ * @param instance_name Name of global instance.
+ * @param interface_number Unique interface index.
+ * @param user_ev_handler User event handler (optional).
+ * @param endpoint_list Input endpoint list (@ref nrf_drv_usbd_ep_t).
+ * @param subclass_descriptors HID subclass descriptors.
+ * @param report_in_queue_size IN report queue size.
+ * @param report_out_maxsize Maximum output report size.
+ * @param subclass_boot Subclass boot. (@ref app_usbd_hid_subclass_t)
+ * @param protocol HID protocol. (@ref app_usbd_hid_protocol_t)
+ *
+ * @note This macro is just simplified version of @ref APP_USBD_HID_GENERIC_GLOBAL_DEF_INTERNAL.
+ *
+ * Example class definition:
+ * @code
+
+ APP_USBD_HID_GENERIC_SUBCLASS_REPORT_DESC(mouse_desc,APP_USBD_HID_MOUSE_REPORT_DSC_BUTTON(2));
+
+ static const app_usbd_hid_subclass_desc_t * reps[] = {&mouse_desc};
+
+ #define ENDPOINT_LIST \
+ ( \
+ NRF_DRV_USBD_EPIN1 \
+ )
+
+ #define REPORT_COUNT 1
+ #define REPORT_OUT_MAXSIZE 0
+
+ APP_USBD_HID_GENERIC_GLOBAL_DEF(m_app_hid_generic,
+ 0,
+ hid_user_ev_handler,
+ ENDPOINT_LIST(),
+ reps,
+ REPORT_IN_QUEUE_SIZE,
+ REPORT_OUT_MAXSIZE,
+ APP_USBD_HID_SUBCLASS_BOOT,
+ APP_USBD_HID_PROTO_MOUSE);
+ @endcode
+ *
+ */
+#define APP_USBD_HID_GENERIC_GLOBAL_DEF(instance_name, \
+ interface_number, \
+ user_ev_handler, \
+ endpoint_list, \
+ subclass_descriptors, \
+ report_in_queue_size, \
+ report_out_maxsize, \
+ subclass_boot, \
+ protocol) \
+ APP_USBD_HID_GENERIC_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ user_ev_handler, \
+ endpoint_list, \
+ subclass_descriptors, \
+ report_in_queue_size, \
+ report_out_maxsize, \
+ subclass_boot, \
+ protocol)
+
+
+/**
+ * @brief Helper function to get class instance from HID generic class.
+ *
+ * @param[in] p_generic HID generic class instance.
+ *
+ * @return Base class instance.
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_hid_generic_class_inst_get(app_usbd_hid_generic_t const * p_generic)
+{
+ return &p_generic->base;
+}
+
+/**
+ * @brief Helper function to get HID generic from base class instance.
+ *
+ * @param[in] p_inst Base class instance.
+ *
+ * @return HID generic class handle.
+ */
+static inline app_usbd_hid_generic_t const *
+app_usbd_hid_generic_class_get(app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_hid_generic_t const *)p_inst;
+}
+
+/**
+ * @brief New IN report trigger
+ *
+ *
+ * @param[in] p_generic HID generic class instance.
+ * @param[in] p_buff Report buffer.
+ * @param[in] size Report size.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_generic_in_report_set(app_usbd_hid_generic_t const * p_generic,
+ const void * p_buff,
+ size_t size);
+
+/**
+ * @brief Returns last successful transfered IN report.
+ *
+ * @note Use this call only on @ref APP_USBD_HID_USER_EVT_IN_REPORT_DONE event.
+ *
+ * @param[in] p_generic HID generic class instance.
+ * @param[out] p_size Last transfered IN report size.
+ *
+ * @return Last transfered report ID.
+ */
+const void * app_usbd_hid_generic_in_report_get(app_usbd_hid_generic_t const * p_generic,
+ size_t * p_size);
+
+/**
+ * @brief Returns last successful transfered OUT report.
+ *
+ * @warning Use this call only on @ref APP_USBD_HID_USER_EVT_OUT_REPORT_READY event.
+ *
+ * @param[in] p_generic HID generic class instance.
+ * @param[out] p_size Last transfered OUT report size.
+ *
+ * @return Last transfered OUT report.
+ */
+const void * app_usbd_hid_generic_out_report_get(app_usbd_hid_generic_t const * p_generic,
+ size_t * p_size);
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_GENERIC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_desc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_desc.h
new file mode 100644
index 0000000..1ff4487
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_desc.h
@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_GENERIC_DESC_H__
+#define APP_USBD_HID_GENERIC_DESC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup app_usbd_hid_generic_desc USB HID generic descriptors
+ * @ingroup app_usbd_hid_generic
+ *
+ * @brief @tagAPI52840 Module with descriptors used by the HID generic class.
+ * @{
+ */
+
+/**
+ * @brief Initializer of interface descriptor for HID generic class.
+ *
+ * @param interface_number Interface number.
+ * @param endpoints_num Number of endpoints.
+ * @param subclass Subclass type @ref app_usbd_hid_subclass_t.
+ * @param protocol Protocol type @ref app_usbd_hid_protocol_t.
+ */
+#define APP_USBD_HID_GENERIC_INTERFACE_DSC(interface_number, \
+ endpoints_num, \
+ subclass, \
+ protocol) \
+ APP_USBD_HID_INTERFACE_DSC(interface_number, \
+ endpoints_num, \
+ subclass, \
+ protocol) \
+
+/**
+ * @brief Initializer of HID descriptor for HID generic class.
+ *
+ * @param ... Report descriptor item.
+ */
+#define APP_USBD_HID_GENERIC_HID_DSC(...) \
+ APP_USBD_HID_HID_DSC(__VA_ARGS__)
+/**
+ * @brief Initializer of endpoint descriptor for HID generic class.
+ *
+ * @param endpoint Endpoint number.
+ */
+#define APP_USBD_HID_GENERIC_EP_DSC(endpoint) \
+ APP_USBD_HID_EP_DSC(endpoint, NRF_DRV_USBD_EPSIZE, 1)
+
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_GENERIC_DESC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_internal.h
new file mode 100644
index 0000000..4844fde
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/generic/app_usbd_hid_generic_internal.h
@@ -0,0 +1,186 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_GENERIC_INTERNAL_H__
+#define APP_USBD_HID_GENERIC_INTERNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_usbd_hid.h"
+#include "nrf_queue.h"
+
+/**
+ * @defgroup app_usbd_hid_generic_internal USB HID generic internals
+ * @ingroup app_usbd_hid_generic
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID generic protocol.
+ * @{
+ */
+
+
+/**
+ * @brief Forward declaration of HID generic class type.
+ *
+ */
+APP_USBD_CLASS_FORWARD(app_usbd_hid_generic);
+
+/**
+ * @brief HID generic part of class instance data.
+ *
+ */
+typedef struct {
+ app_usbd_hid_inst_t hid_inst; //!< HID instance data.
+ nrf_queue_t const * p_rep_in_queue; //!< Input report queue.
+} app_usbd_hid_generic_inst_t;
+
+/**
+ * @brief HID generic context
+ *
+ */
+typedef struct {
+ app_usbd_hid_ctx_t hid_ctx; //!< HID class context.
+} app_usbd_hid_generic_ctx_t;
+
+
+/**
+ * @brief HID generic configuration macro.
+ *
+ * Used by @ref APP_USBD_HID_GENERIC_GLOBAL_DEF.
+ *
+ * @param iface Interface number.
+ * @param endpoints Endpoint list.
+ */
+#define APP_USBD_HID_GENERIC_CONFIG(iface, endpoints) ((iface, BRACKET_EXTRACT(endpoints)))
+
+
+/**
+ * @brief Specific class constant data for HID generic class.
+ */
+#define APP_USBD_HID_GENERIC_INSTANCE_SPECIFIC_DEC app_usbd_hid_generic_inst_t inst;
+
+/**
+ * @brief Specific class data for HID generic class.
+ */
+#define APP_USBD_HID_GENERIC_DATA_SPECIFIC_DEC app_usbd_hid_generic_ctx_t ctx;
+
+/**
+ * @brief Configure internal part of HID generic instance.
+ *
+ * @param report_buff_in Input report buffers array.
+ * @param report_buff_out Output report buffer.
+ * @param user_ev_handler User event handler.
+ * @param in_report_queue IN report queue.
+ * @param subclass_descriptors HID subclass descriptors.
+ * @param subclass_boot Subclass boot. (@ref app_usbd_hid_subclass_t)
+ * @param protocol HID protocol. (@ref app_usbd_hid_protocol_t)
+ */
+#define APP_USBD_HID_GENERIC_INST_CONFIG(report_buff_in, \
+ report_buff_out, \
+ user_ev_handler, \
+ in_report_queue, \
+ subclass_descriptors, \
+ subclass_boot, \
+ protocol) \
+ .inst = { \
+ .hid_inst = APP_USBD_HID_INST_CONFIG(subclass_descriptors, \
+ subclass_boot, \
+ protocol, \
+ report_buff_in, \
+ report_buff_out, \
+ user_ev_handler, \
+ &app_usbd_hid_generic_methods), \
+ .p_rep_in_queue = in_report_queue, \
+ }
+
+/**
+ * @brief Public HID generic interface.
+ */
+extern const app_usbd_hid_methods_t app_usbd_hid_generic_methods;
+
+/**
+ * @brief Public HID generic class interface.
+ */
+extern const app_usbd_class_methods_t app_usbd_generic_class_methods;
+
+/**
+ * @brief Global definition of @ref app_usbd_hid_generic_t class.
+ *
+ * @ref APP_USBD_HID_GENERIC_GLOBAL_DEF
+ */
+#define APP_USBD_HID_GENERIC_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ user_ev_handler, \
+ endpoint_list, \
+ subclass_descriptors, \
+ report_in_queue_size, \
+ report_out_maxsize, \
+ subclass_boot, \
+ protocol) \
+ static app_usbd_hid_report_buffer_t CONCAT_2(instance_name, _in); \
+ APP_USBD_HID_GENERIC_GLOBAL_OUT_REP_DEF(CONCAT_2(instance_name, _out), \
+ report_out_maxsize + 1); \
+ NRF_QUEUE_DEF(app_usbd_hid_report_buffer_t, \
+ instance_name##_queue, \
+ report_in_queue_size, \
+ NRF_QUEUE_MODE_OVERFLOW); \
+ APP_USBD_CLASS_INST_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_hid_generic, \
+ &app_usbd_generic_class_methods, \
+ APP_USBD_HID_GENERIC_CONFIG(interface_number, endpoint_list), \
+ (APP_USBD_HID_GENERIC_INST_CONFIG(&CONCAT_2(instance_name, _in), \
+ &CONCAT_2(instance_name, _out), \
+ user_ev_handler, \
+ &instance_name##_queue, \
+ subclass_descriptors, \
+ subclass_boot, \
+ protocol)) \
+ )
+
+
+/** @} */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_GENERIC_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.c
new file mode 100644
index 0000000..53d03f5
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.c
@@ -0,0 +1,557 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_HID_KBD)
+
+#include <string.h>
+#include "app_usbd_hid_kbd.h"
+#include "app_util_platform.h"
+
+
+/**
+ * @defgroup app_usbd_hid_kbd_internals USB HID keyboard internals
+ * @{
+ * @ingroup app_usbd_hid_kbd
+ * @internal
+ */
+
+STATIC_ASSERT(sizeof(app_usbd_hid_descriptor_t) == 6);
+
+/**
+ * @brief Auxiliary function to access HID keyboard context data.
+ *
+ * @param[in] p_inst class instance data.
+ *
+ * @return HID keyboard instance data context.
+ */
+static inline app_usbd_hid_kbd_ctx_t * hid_kbd_ctx_get(app_usbd_hid_kbd_t const * p_kbd)
+{
+ ASSERT(p_kbd != NULL);
+ ASSERT(p_kbd->specific.p_data != NULL);
+ return &p_kbd->specific.p_data->ctx;
+}
+
+
+/**
+ * @brief Auxiliary function to access HID keyboard instance data.
+ *
+ * @param[in] p_inst class instance data.
+ *
+ * @return HID keyboard instance data.
+ */
+static inline app_usbd_hid_kbd_t const * hid_kbd_get(app_usbd_class_inst_t const * p_inst)
+{
+ ASSERT(p_inst != NULL);
+ return (app_usbd_hid_kbd_t const *)p_inst;
+}
+
+
+/**
+ * @brief Returns keyboard report buffer handle.
+ *
+ * @param[in] p_kbd HID keyboard instance.
+ *
+ * @return HID report buffer.
+ */
+static inline
+app_usbd_hid_report_buffer_t const * hid_kbd_rep_buffer_get(app_usbd_hid_kbd_t const * p_kbd)
+{
+ ASSERT(p_kbd != NULL);
+ app_usbd_hid_inst_t const * p_hinst = &p_kbd->specific.inst.hid_inst;
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+ app_usbd_hid_report_buffer_t * p_rep_buff = app_usbd_hid_rep_buff_in_get(p_hinst);
+
+ p_rep_buff->p_buff = p_kbd_ctx->report_buff;
+ p_rep_buff->size = sizeof(p_kbd_ctx->report_buff);
+
+ /*Keyboard has only one report input/output report buffer */
+ return p_rep_buff;
+}
+
+
+/**
+ * @brief Auxiliary function to prepare report transfer buffer to next transfer.
+ *
+ * @param[in] p_kbd HID keyboard instance.
+ *
+ * @retval true Next transfer is required.
+ * @retval false Next transfer is not required.
+ */
+static inline bool hid_kbd_transfer_next(app_usbd_hid_kbd_t const * p_kbd)
+{
+ /*Send report only when state has changed*/
+ app_usbd_hid_report_buffer_t const * p_rep_buffer = hid_kbd_rep_buffer_get(p_kbd);
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+
+ if (memcmp(p_rep_buffer->p_buff, &p_kbd_ctx->rep, p_rep_buffer->size))
+ {
+ memcpy(p_rep_buffer->p_buff, &p_kbd_ctx->rep, p_rep_buffer->size);
+ return true;
+ }
+
+ return false;
+}
+
+
+/**
+ * @brief Triggers IN endpoint transfer.
+ *
+ * @param[in] p_kbd HID keyboard instance.
+ *
+ * @return Standard error code.
+ */
+static inline ret_code_t hid_kbd_transfer_set(app_usbd_hid_kbd_t const * p_kbd)
+{
+ app_usbd_class_inst_t const * p_inst = (app_usbd_class_inst_t const *)p_kbd;
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+
+ nrf_drv_usbd_ep_t ep_addr = app_usbd_hid_epin_addr_get(p_inst);
+
+ app_usbd_hid_state_flag_clr(&p_kbd_ctx->hid_ctx, APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+
+ if (!hid_kbd_transfer_next(p_kbd))
+ {
+ /* Transfer buffer hasn't changed since last transfer. No need to setup
+ * next transfer.
+ * */
+ return NRF_SUCCESS;
+ }
+
+ app_usbd_hid_report_buffer_t const * p_rep_buffer = hid_kbd_rep_buffer_get(p_kbd);
+ NRF_DRV_USBD_TRANSFER_IN(transfer, p_rep_buffer->p_buff, p_rep_buffer->size);
+
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = app_usbd_ep_transfer(ep_addr, &transfer);
+ if (ret == NRF_SUCCESS)
+ {
+ app_usbd_hid_state_flag_set(&p_kbd_ctx->hid_ctx, APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+
+ret_code_t app_usbd_hid_kbd_modifier_state_set(app_usbd_hid_kbd_t const * p_kbd,
+ app_usbd_hid_kbd_modifier_t modifier,
+ bool state)
+{
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+ bool actual_state = (p_kbd_ctx->rep.modifier & modifier) != 0;
+
+ if (actual_state == state)
+ {
+ /*Modifier has already the same state*/
+ return NRF_SUCCESS;
+ }
+
+ app_usbd_hid_access_lock(&p_kbd_ctx->hid_ctx);
+
+ if (state)
+ {
+ p_kbd_ctx->rep.modifier |= modifier;
+ }
+ else
+ {
+ p_kbd_ctx->rep.modifier &= ~modifier;
+ }
+ app_usbd_hid_access_unlock(&p_kbd_ctx->hid_ctx);
+
+ if (app_usbd_hid_trans_required(&p_kbd_ctx->hid_ctx))
+ {
+ /*New transfer need to be triggered*/
+ return hid_kbd_transfer_set(p_kbd);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+ret_code_t app_usbd_hid_kbd_key_control(app_usbd_hid_kbd_t const * p_kbd,
+ app_usbd_hid_kbd_codes_t key,
+ bool press)
+{
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+ uint8_t * destination = NULL;
+
+ if (press)
+ {
+ for (size_t i = 0; i < ARRAY_SIZE(p_kbd_ctx->rep.key_table); ++i)
+ {
+ if (p_kbd_ctx->rep.key_table[i] == key)
+ {
+ /*Already pressed*/
+ return NRF_SUCCESS;
+ }
+
+ if ((destination == NULL) && (p_kbd_ctx->rep.key_table[i] == 0))
+ {
+ destination = &p_kbd_ctx->rep.key_table[i];
+ }
+ }
+
+ if (destination == NULL)
+ {
+ return NRF_ERROR_BUSY;
+ }
+ }
+ else
+ {
+ /*Find if key is pressed*/
+ for (size_t i = 0; i < ARRAY_SIZE(p_kbd_ctx->rep.key_table); ++i)
+ {
+ if (p_kbd_ctx->rep.key_table[i] == key)
+ {
+ destination = &p_kbd_ctx->rep.key_table[i];
+ break;
+ }
+ }
+
+ if (destination == NULL)
+ {
+ /*Key hasn't been pressed*/
+ return NRF_SUCCESS;
+ }
+ }
+
+ /*Save destination*/
+ app_usbd_hid_access_lock(&p_kbd_ctx->hid_ctx);
+ *destination = press ? key : 0;
+ app_usbd_hid_access_unlock(&p_kbd_ctx->hid_ctx);
+
+ if (app_usbd_hid_trans_required(&p_kbd_ctx->hid_ctx))
+ {
+ /*New transfer need to be triggered*/
+ return hid_kbd_transfer_set(p_kbd);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+bool app_usbd_hid_kbd_led_state_get(app_usbd_hid_kbd_t const * p_kbd,
+ app_usbd_hid_kbd_led_t led)
+{
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+
+ return (p_kbd_ctx->leds_state & led) != 0;
+}
+
+const void * app_usbd_hid_kbd_in_report_get(app_usbd_hid_kbd_t const * p_kbd,
+ size_t * p_size)
+{
+ app_usbd_hid_inst_t const * p_kinst = &p_kbd->specific.inst.hid_inst;
+ *p_size = p_kinst->p_rep_buffer_in->size;
+ return p_kinst->p_rep_buffer_in->p_buff;
+}
+
+const void * app_usbd_hid_kbd_out_report_get(app_usbd_hid_kbd_t const * p_kbd,
+ size_t * p_size)
+{
+ app_usbd_hid_inst_t const * p_kinst = &p_kbd->specific.inst.hid_inst;
+ *p_size = p_kinst->p_rep_buffer_out->size;
+ return p_kinst->p_rep_buffer_out->p_buff;
+}
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::on_get_report
+ */
+static ret_code_t hid_kbd_on_get_report(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_hid_kbd_t const * p_kinst = hid_kbd_get(p_inst);
+ uint8_t const * p_rep_buffer = NULL;
+ size_t buffer_size = 0;
+
+ if (p_setup_ev->setup.wValue.hb == APP_USBD_HID_REPORT_TYPE_INPUT)
+ {
+ p_rep_buffer = app_usbd_hid_kbd_in_report_get(p_kinst, &buffer_size);
+ }
+ else if (p_setup_ev->setup.wValue.hb == APP_USBD_HID_REPORT_TYPE_OUTPUT)
+ {
+ p_rep_buffer = app_usbd_hid_kbd_out_report_get(p_kinst, &buffer_size);
+ }
+ else
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ /* Return LEDs state (only the second byte) */
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_rep_buffer + 1, buffer_size - 1);
+}
+
+
+static ret_code_t hid_kbd_on_set_report_data_cb(nrf_drv_usbd_ep_status_t status, void * p_context)
+{
+ if (status != NRF_USBD_EP_OK)
+ {
+ return NRF_ERROR_INTERNAL;
+ }
+
+ app_usbd_hid_kbd_t const * p_kbd = p_context;
+ app_usbd_hid_report_buffer_t const * p_rep_buff;
+ p_rep_buff = app_usbd_hid_rep_buff_out_get(&p_kbd->specific.inst.hid_inst);
+
+ /*Update LEDs state*/
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+ p_kbd_ctx->leds_state = p_rep_buff->p_buff[1];
+
+ app_usbd_hid_user_ev_handler_t handler = p_kbd->specific.inst.hid_inst.user_event_handler;
+ handler((app_usbd_class_inst_t const *)(p_kbd), APP_USBD_HID_USER_EVT_OUT_REPORT_READY);
+ return NRF_SUCCESS;
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::hid_kbd_on_set_report
+ */
+static ret_code_t hid_kbd_on_set_report(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_hid_kbd_t const * p_kbd = hid_kbd_get(p_inst);
+
+ /*Request setup data*/
+ app_usbd_hid_report_buffer_t const * p_rep_buff;
+
+ p_rep_buff = app_usbd_hid_rep_buff_out_get(&p_kbd->specific.inst.hid_inst);
+
+ p_rep_buff->p_buff[0] = 0;
+ NRF_DRV_USBD_TRANSFER_OUT(transfer, p_rep_buff->p_buff + 1, p_rep_buff->size - 1);
+
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = app_usbd_ep_transfer(NRF_DRV_USBD_EPOUT0, &transfer);
+ if (ret == NRF_SUCCESS)
+ {
+ app_usbd_core_setup_data_handler_desc_t desc = {
+ .handler = hid_kbd_on_set_report_data_cb,
+ .p_context = (app_usbd_hid_kbd_t *)p_kbd
+ };
+
+ ret = app_usbd_core_setup_data_handler_set(NRF_DRV_USBD_EPOUT0, &desc);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::hid_kbd_ep_transfer_in
+ */
+static ret_code_t hid_kbd_ep_transfer_in(app_usbd_class_inst_t const * p_inst)
+{
+ return hid_kbd_transfer_set((app_usbd_hid_kbd_t const *)p_inst);
+}
+
+
+/**
+ * @brief @ref app_usbd_class_interface_t::event_handler
+ */
+static ret_code_t hid_kbd_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_event != NULL);
+
+ app_usbd_hid_kbd_t const * p_kbd = hid_kbd_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_kbd->specific.inst.hid_inst;
+
+ app_usbd_hid_kbd_ctx_t * p_kbd_ctx = hid_kbd_ctx_get(p_kbd);
+ app_usbd_hid_ctx_t * p_hid_ctx = &p_kbd_ctx->hid_ctx;
+
+ /*Try handle event by generic HID event handler*/
+ return app_usbd_hid_event_handler(p_inst, p_hinst, p_hid_ctx, p_event);
+}
+
+
+static uint8_t hid_kbd_get_class_descriptors_count(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_hid_kbd_t const * p_kbd = hid_kbd_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_kbd->specific.inst.hid_inst;
+
+ return p_hinst->subclass_desc_count;
+}
+
+
+static app_usbd_descriptor_t hid_kbd_get_class_descriptors_type(
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num)
+{
+ app_usbd_hid_kbd_t const * p_kbd = hid_kbd_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_kbd->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->type;
+}
+
+
+static size_t hid_kbd_get_class_descriptors_length(app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num)
+{
+ app_usbd_hid_kbd_t const * p_kbd = hid_kbd_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_kbd->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->size;
+}
+
+
+static uint8_t hid_kbd_get_class_descriptors_data(app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num,
+ uint32_t cur_byte)
+{
+ app_usbd_hid_kbd_t const * p_kbd = hid_kbd_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_kbd->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->p_data[cur_byte];
+}
+
+
+static bool hid_kbd_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static uint8_t ifaces = 0;
+ ifaces = app_usbd_class_iface_count_get(p_inst);
+ app_usbd_hid_kbd_t const * p_kbd = hid_kbd_get(p_inst);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ static uint8_t i = 0;
+
+ for (i = 0; i < ifaces; i++)
+ {
+ /* INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+
+ static app_usbd_class_iface_conf_t const * p_cur_iface = NULL;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, i);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_ep_count_get(p_cur_iface)); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_CLASS); // bInterfaceClass = HID
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_kbd->specific.inst.hid_inst.subclass_boot); // bInterfaceSubclass (Boot Interface)
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_kbd->specific.inst.hid_inst.protocol); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ /* HID DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_DESCRIPTOR_HID); // bDescriptorType = HID
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(APP_USBD_HID_BCD_VER)); // bcdHID LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(APP_USBD_HID_BCD_VER)); // bcdHID MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_COUNTRY_NOT_SUPPORTED); // bCountryCode
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_kbd_get_class_descriptors_count(p_inst)); // bNumDescriptors
+
+ static uint8_t class_desc_cnt = 0;
+ class_desc_cnt = hid_kbd_get_class_descriptors_count(p_inst);
+ static uint8_t j = 0;
+ static uint16_t class_desc_len = 0;
+
+ for (j = 0; j < class_desc_cnt; j++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_kbd_get_class_descriptors_type(p_inst, j)); // bDescriptorType
+
+ class_desc_len = hid_kbd_get_class_descriptors_length(p_inst, j);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(class_desc_len)); // wDescriptorLength LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(class_desc_len)); // wDescriptorLength MSB
+ }
+
+ static uint8_t endpoints = 0;
+ endpoints = app_usbd_class_iface_ep_count_get(p_cur_iface);
+
+ for (j = 0; j < endpoints; j++)
+ {
+ /* ENDPOINT DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x07); // bLengths
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_ENDPOINT); // bDescriptorType = Endpoint
+
+ static app_usbd_class_ep_conf_t const * p_cur_ep = NULL;
+ p_cur_ep = app_usbd_class_iface_ep_get(p_cur_iface, i);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_ep_address_get(p_cur_ep)); // bEndpointAddress
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_INTERRUPT); // bmAttributes
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x01); // bInterval
+ }
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+static bool hid_kbd_feed_subclass_descriptor(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size,
+ uint8_t index)
+{
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ /* PHYSICAL AND REPORT DESCRIPTORS */
+ static uint32_t cur_byte = 0;
+ static size_t sub_desc_size = 0;
+ sub_desc_size = hid_kbd_get_class_descriptors_length(p_inst, index);
+
+ for (cur_byte = 0; cur_byte <= sub_desc_size; cur_byte++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_kbd_get_class_descriptors_data(p_inst, index, cur_byte));
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+/** @} */
+
+const app_usbd_hid_methods_t app_usbd_hid_kbd_methods = {
+ .on_get_report = hid_kbd_on_get_report,
+ .on_set_report = hid_kbd_on_set_report,
+ .ep_transfer_in = hid_kbd_ep_transfer_in,
+ .ep_transfer_out = NULL,
+ .feed_subclass_descriptor = hid_kbd_feed_subclass_descriptor,
+};
+
+const app_usbd_class_methods_t app_usbd_hid_kbd_class_methods = {
+ .event_handler = hid_kbd_event_handler,
+ .feed_descriptors = hid_kbd_feed_descriptors,
+};
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_HID_KBD)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.h
new file mode 100644
index 0000000..2343829
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd.h
@@ -0,0 +1,309 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_KBD_H__
+#define APP_USBD_HID_KBD_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd_hid_types.h"
+#include "app_usbd_hid.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_descriptor.h"
+#include "app_usbd_hid_kbd_desc.h"
+#include "app_usbd_hid_kbd_internal.h"
+
+
+/**
+ * @defgroup app_usbd_hid_kbd USB HID keyboard
+ * @ingroup app_usbd_hid
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID keyboard class.
+ * @{
+ */
+
+/**
+ * @brief HID keyboard codes.
+ */
+typedef enum {
+ APP_USBD_HID_KBD_A = 4, /**<KBD_A code*/
+ APP_USBD_HID_KBD_B = 5, /**<KBD_B code*/
+ APP_USBD_HID_KBD_C = 6, /**<KBD_C code*/
+ APP_USBD_HID_KBD_D = 7, /**<KBD_D code*/
+ APP_USBD_HID_KBD_E = 8, /**<KBD_E code*/
+ APP_USBD_HID_KBD_F = 9, /**<KBD_F code*/
+ APP_USBD_HID_KBD_G = 10, /**<KBD_G code*/
+ APP_USBD_HID_KBD_H = 11, /**<KBD_H code*/
+ APP_USBD_HID_KBD_I = 12, /**<KBD_I code*/
+ APP_USBD_HID_KBD_J = 13, /**<KBD_J code*/
+ APP_USBD_HID_KBD_K = 14, /**<KBD_K code*/
+ APP_USBD_HID_KBD_L = 15, /**<KBD_L code*/
+ APP_USBD_HID_KBD_M = 16, /**<KBD_M code*/
+ APP_USBD_HID_KBD_N = 17, /**<KBD_N code*/
+ APP_USBD_HID_KBD_O = 18, /**<KBD_O code*/
+ APP_USBD_HID_KBD_P = 19, /**<KBD_P code*/
+ APP_USBD_HID_KBD_Q = 20, /**<KBD_Q code*/
+ APP_USBD_HID_KBD_R = 21, /**<KBD_R code*/
+ APP_USBD_HID_KBD_S = 22, /**<KBD_S code*/
+ APP_USBD_HID_KBD_T = 23, /**<KBD_T code*/
+ APP_USBD_HID_KBD_U = 24, /**<KBD_U code*/
+ APP_USBD_HID_KBD_V = 25, /**<KBD_V code*/
+ APP_USBD_HID_KBD_W = 26, /**<KBD_W code*/
+ APP_USBD_HID_KBD_X = 27, /**<KBD_X code*/
+ APP_USBD_HID_KBD_Y = 28, /**<KBD_Y code*/
+ APP_USBD_HID_KBD_Z = 29, /**<KBD_Z code*/
+ APP_USBD_HID_KBD_1 = 30, /**<KBD_1 code*/
+ APP_USBD_HID_KBD_2 = 31, /**<KBD_2 code*/
+ APP_USBD_HID_KBD_3 = 32, /**<KBD_3 code*/
+ APP_USBD_HID_KBD_4 = 33, /**<KBD_4 code*/
+ APP_USBD_HID_KBD_5 = 34, /**<KBD_5 code*/
+ APP_USBD_HID_KBD_6 = 35, /**<KBD_6 code*/
+ APP_USBD_HID_KBD_7 = 36, /**<KBD_7 code*/
+ APP_USBD_HID_KBD_8 = 37, /**<KBD_8 code*/
+ APP_USBD_HID_KBD_9 = 38, /**<KBD_9 code*/
+ APP_USBD_HID_KBD_0 = 39, /**<KBD_0 code*/
+ APP_USBD_HID_KBD_ENTER = 40, /**<KBD_ENTER code*/
+ APP_USBD_HID_KBD_ESCAPE = 41, /**<KBD_ESCAPE code*/
+ APP_USBD_HID_KBD_BACKSPACE = 42, /**<KBD_BACKSPACE code*/
+ APP_USBD_HID_KBD_TAB = 43, /**<KBD_TAB code*/
+ APP_USBD_HID_KBD_SPACEBAR = 44, /**<KBD_SPACEBAR code*/
+ APP_USBD_HID_KBD_UNDERSCORE = 45, /**<KBD_UNDERSCORE code*/
+ APP_USBD_HID_KBD_PLUS = 46, /**<KBD_PLUS code*/
+ APP_USBD_HID_KBD_OPEN_BRACKET = 47, /**<KBD_OPEN_BRACKET code*/
+ APP_USBD_HID_KBD_CLOSE_BRACKET = 48, /**<KBD_CLOSE_BRACKET code*/
+ APP_USBD_HID_KBD_BACKSLASH = 49, /**<KBD_BACKSLASH code*/
+ APP_USBD_HID_KBD_ASH = 50, /**<KBD_ASH code*/
+ APP_USBD_HID_KBD_COLON = 51, /**<KBD_COLON code*/
+ APP_USBD_HID_KBD_QUOTE = 52, /**<KBD_QUOTE code*/
+ APP_USBD_HID_KBD_TILDE = 53, /**<KBD_TILDE code*/
+ APP_USBD_HID_KBD_COMMA = 54, /**<KBD_COMMA code*/
+ APP_USBD_HID_KBD_DOT = 55, /**<KBD_DOT code*/
+ APP_USBD_HID_KBD_SLASH = 56, /**<KBD_SLASH code*/
+ APP_USBD_HID_KBD_CAPS_LOCK = 57, /**<KBD_CAPS_LOCK code*/
+ APP_USBD_HID_KBD_F1 = 58, /**<KBD_F1 code*/
+ APP_USBD_HID_KBD_F2 = 59, /**<KBD_F2 code*/
+ APP_USBD_HID_KBD_F3 = 60, /**<KBD_F3 code*/
+ APP_USBD_HID_KBD_F4 = 61, /**<KBD_F4 code*/
+ APP_USBD_HID_KBD_F5 = 62, /**<KBD_F5 code*/
+ APP_USBD_HID_KBD_F6 = 63, /**<KBD_F6 code*/
+ APP_USBD_HID_KBD_F7 = 64, /**<KBD_F7 code*/
+ APP_USBD_HID_KBD_F8 = 65, /**<KBD_F8 code*/
+ APP_USBD_HID_KBD_F9 = 66, /**<KBD_F9 code*/
+ APP_USBD_HID_KBD_F10 = 67, /**<KBD_F10 code*/
+ APP_USBD_HID_KBD_F11 = 68, /**<KBD_F11 code*/
+ APP_USBD_HID_KBD_F12 = 69, /**<KBD_F12 code*/
+ APP_USBD_HID_KBD_PRINTSCREEN = 70, /**<KBD_PRINTSCREEN code*/
+ APP_USBD_HID_KBD_SCROLL_LOCK = 71, /**<KBD_SCROLL_LOCK code*/
+ APP_USBD_HID_KBD_PAUSE = 72, /**<KBD_PAUSE code*/
+ APP_USBD_HID_KBD_INSERT = 73, /**<KBD_INSERT code*/
+ APP_USBD_HID_KBD_HOME = 74, /**<KBD_HOME code*/
+ APP_USBD_HID_KBD_PAGEUP = 75, /**<KBD_PAGEUP code*/
+ APP_USBD_HID_KBD_DELETE = 76, /**<KBD_DELETE code*/
+ APP_USBD_HID_KBD_END = 77, /**<KBD_END code*/
+ APP_USBD_HID_KBD_PAGEDOWN = 78, /**<KBD_PAGEDOWN code*/
+ APP_USBD_HID_KBD_RIGHT = 79, /**<KBD_RIGHT code*/
+ APP_USBD_HID_KBD_LEFT = 80, /**<KBD_LEFT code*/
+ APP_USBD_HID_KBD_DOWN = 81, /**<KBD_DOWN code*/
+ APP_USBD_HID_KBD_UP = 82, /**<KBD_UP code*/
+ APP_USBD_HID_KBD_KEYPAD_NUM_LOCK = 83, /**<KBD_KEYPAD_NUM_LOCK code*/
+ APP_USBD_HID_KBD_KEYPAD_DIVIDE = 84, /**<KBD_KEYPAD_DIVIDE code*/
+ APP_USBD_HID_KBD_KEYPAD_AT = 85, /**<KBD_KEYPAD_AT code*/
+ APP_USBD_HID_KBD_KEYPAD_MULTIPLY = 85, /**<KBD_KEYPAD_MULTIPLY code*/
+ APP_USBD_HID_KBD_KEYPAD_MINUS = 86, /**<KBD_KEYPAD_MINUS code*/
+ APP_USBD_HID_KBD_KEYPAD_PLUS = 87, /**<KBD_KEYPAD_PLUS code*/
+ APP_USBD_HID_KBD_KEYPAD_ENTER = 88, /**<KBD_KEYPAD_ENTER code*/
+ APP_USBD_HID_KBD_KEYPAD_1 = 89, /**<KBD_KEYPAD_1 code*/
+ APP_USBD_HID_KBD_KEYPAD_2 = 90, /**<KBD_KEYPAD_2 code*/
+ APP_USBD_HID_KBD_KEYPAD_3 = 91, /**<KBD_KEYPAD_3 code*/
+ APP_USBD_HID_KBD_KEYPAD_4 = 92, /**<KBD_KEYPAD_4 code*/
+ APP_USBD_HID_KBD_KEYPAD_5 = 93, /**<KBD_KEYPAD_5 code*/
+ APP_USBD_HID_KBD_KEYPAD_6 = 94, /**<KBD_KEYPAD_6 code*/
+ APP_USBD_HID_KBD_KEYPAD_7 = 95, /**<KBD_KEYPAD_7 code*/
+ APP_USBD_HID_KBD_KEYPAD_8 = 96, /**<KBD_KEYPAD_8 code*/
+ APP_USBD_HID_KBD_KEYPAD_9 = 97, /**<KBD_KEYPAD_9 code*/
+ APP_USBD_HID_KBD_KEYPAD_0 = 98, /**<KBD_KEYPAD_0 code*/
+} app_usbd_hid_kbd_codes_t;
+
+/**
+ * @brief HID keyboard modifier
+ */
+typedef enum {
+ APP_USBD_HID_KBD_MODIFIER_NONE = 0x00, /**< MODIFIER_NONE bit*/
+ APP_USBD_HID_KBD_MODIFIER_LEFT_CTRL = 0x01, /**< MODIFIER_LEFT_CTRL bit*/
+ APP_USBD_HID_KBD_MODIFIER_LEFT_SHIFT = 0x02, /**< MODIFIER_LEFT_SHIFT bit*/
+ APP_USBD_HID_KBD_MODIFIER_LEFT_ALT = 0x04, /**< MODIFIER_LEFT_ALT bit*/
+ APP_USBD_HID_KBD_MODIFIER_LEFT_UI = 0x08, /**< MODIFIER_LEFT_UI bit*/
+ APP_USBD_HID_KBD_MODIFIER_RIGHT_CTRL = 0x10, /**< MODIFIER_RIGHT_CTRL bit*/
+ APP_USBD_HID_KBD_MODIFIER_RIGHT_SHIFT = 0x20, /**< MODIFIER_RIGHT_SHIFT bit*/
+ APP_USBD_HID_KBD_MODIFIER_RIGHT_ALT = 0x40, /**< MODIFIER_RIGHT_ALT bit*/
+ APP_USBD_HID_KBD_MODIFIER_RIGHT_UI = 0x80, /**< MODIFIER_RIGHT_UI bit*/
+} app_usbd_hid_kbd_modifier_t;
+
+/**
+ * @brief HID keyboard LEDs.
+ */
+typedef enum {
+ APP_USBD_HID_KBD_LED_NUM_LOCK = 0x01, /**< LED_NUM_LOCK id*/
+ APP_USBD_HID_KBD_LED_CAPS_LOCK = 0x02, /**< LED_CAPS_LOCK id*/
+ APP_USBD_HID_KBD_LED_SCROLL_LOCK = 0x04, /**< LED_SCROLL_LOCK id*/
+ APP_USBD_HID_KBD_LED_COMPOSE = 0x08, /**< LED_COMPOSE id*/
+ APP_USBD_HID_KBD_LED_KANA = 0x10, /**< LED_KANA id*/
+} app_usbd_hid_kbd_led_t;
+
+
+
+#ifdef DOXYGEN
+/**
+ * @brief HID keyboard class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_hid_kbd_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_TYPEDEF(app_usbd_hid_kbd, \
+ APP_USBD_HID_KBD_CONFIG(0, NRF_DRV_USBD_EPIN1), \
+ APP_USBD_HID_KBD_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_HID_KBD_DATA_SPECIFIC_DEC \
+);
+/*lint -restore*/
+#endif
+
+/**
+ * @brief Global definition of app_usbd_hid_kbd_t class.
+ *
+ * @param instance_name Name of global instance.
+ * @param interface_number Unique interface index.
+ * @param endpoint Input endpoint (@ref nrf_drv_usbd_ep_t).
+ * @param user_ev_handler User event handler (optional parameter: NULL might be passed here).
+ * @param subclass_boot Subclass boot. (@ref app_usbd_hid_subclass_t)
+ *
+ * Example class definition:
+ * @code
+ APP_USBD_HID_KBD_GLOBAL_DEF(my_awesome_kbd, 0, NRF_DRV_USBD_EPIN1, NULL, APP_USBD_HID_SUBCLASS_BOOT);
+ * @endcode
+ */
+#define APP_USBD_HID_KBD_GLOBAL_DEF(instance_name, interface_number, endpoint, user_ev_handler, subclass_boot) \
+ APP_USBD_HID_GENERIC_SUBCLASS_REPORT_DESC(keyboard_desc, APP_USBD_HID_KBD_REPORT_DSC()); \
+ static const app_usbd_hid_subclass_desc_t * keyboard_descs[] = {&keyboard_desc}; \
+ APP_USBD_HID_KBD_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ endpoint, \
+ user_ev_handler, \
+ subclass_boot)
+
+/**
+ * @brief Helper function to get class instance from HID keyboard internals.
+ *
+ * @param[in] p_kbd Keyboard instance (declared by @ref APP_USBD_HID_KBD_GLOBAL_DEF).
+ *
+ * @return Base class instance.
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_hid_kbd_class_inst_get(app_usbd_hid_kbd_t const * p_kbd)
+{
+ return &p_kbd->base;
+}
+
+/**
+ * @brief Helper function to get HID keyboard from base class instance.
+ *
+ * @param[in] p_inst Base class instance.
+ *
+ * @return HID keyboard class handle.
+ */
+static inline app_usbd_hid_kbd_t const *
+app_usbd_hid_kbd_class_get(app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_hid_kbd_t const *)p_inst;
+}
+
+/**
+ * @brief Set HID keyboard modifier state.
+ *
+ * @param[in] p_kbd Keyboard instance (declared by @ref APP_USBD_HID_KBD_GLOBAL_DEF).
+ * @param[in] modifier Type of modifier.
+ * @param[in] state State, true active, false inactive.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_kbd_modifier_state_set(app_usbd_hid_kbd_t const * p_kbd,
+ app_usbd_hid_kbd_modifier_t modifier,
+ bool state);
+
+
+/**
+ * @brief Press/release HID keyboard key.
+ *
+ * @param[in] p_kbd Keyboard instance (declared by @ref APP_USBD_HID_KBD_GLOBAL_DEF).
+ * @param[in] key Keyboard key code.
+ * @param[in] press True -> key press, false -> release.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_kbd_key_control(app_usbd_hid_kbd_t const * p_kbd,
+ app_usbd_hid_kbd_codes_t key,
+ bool press);
+/**
+ * @brief HID Keyboard LEDs state get.
+ *
+ * @param[in] p_kbd Keyboard instance (declared by @ref APP_USBD_HID_KBD_GLOBAL_DEF).
+ * @param[in] led LED code.
+ *
+ * @retval true LED is set.
+ * @retval false LED is not set.
+ */
+bool app_usbd_hid_kbd_led_state_get(app_usbd_hid_kbd_t const * p_kbd,
+ app_usbd_hid_kbd_led_t led);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_KBD_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_desc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_desc.h
new file mode 100644
index 0000000..1083b42
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_desc.h
@@ -0,0 +1,128 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_KBD_DESC_H__
+#define APP_USBD_HID_KBD_DESC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup app_usbd_hid_kbd_desc USB HID keyboard descriptors
+ * @ingroup app_usbd_hid_kbd
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID keyboard class.
+ * @{
+ */
+
+/**
+ * @brief Initializer of interface descriptor for HID keyboard class.
+ *
+ * @param interface_number Interface number.
+ */
+#define APP_USBD_HID_KBD_INTERFACE_DSC(interface_number) \
+ APP_USBD_HID_INTERFACE_DSC(interface_number, \
+ 1, \
+ APP_USBD_HID_SUBCLASS_BOOT, \
+ APP_USBD_HID_PROTO_KEYBOARD)
+
+/**
+ * @brief Initializer of HID descriptor for HID keyboard class.
+ *
+ * @param ... Report descriptor item.
+ */
+#define APP_USBD_HID_KBD_HID_DSC(...) \
+ APP_USBD_HID_HID_DSC(__VA_ARGS__)
+/**
+ * @brief Initializer of endpoint descriptor for HID keyboard class.
+ *
+ * @param endpoint Endpoint number.
+ */
+#define APP_USBD_HID_KBD_EP_DSC(endpoint) \
+ APP_USBD_HID_EP_DSC(endpoint, 8, 1)
+
+
+/**
+ * @brief Example of USB HID keyboard report descriptor.
+ *
+ */
+#define APP_USBD_HID_KBD_REPORT_DSC() { \
+ 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */\
+ 0x09, 0x06, /* USAGE (Keyboard) */\
+ 0xa1, 0x01, /* COLLECTION (Application) */\
+ 0x05, 0x07, /* USAGE_PAGE (Keyboard) */\
+ 0x19, 0xe0, /* USAGE_MINIMUM (Keyboard LeftControl) */\
+ 0x29, 0xe7, /* USAGE_MAXIMUM (Keyboard Right GUI) */\
+ 0x15, 0x00, /* LOGICAL_MINIMUM (0) */\
+ 0x25, 0x01, /* LOGICAL_MAXIMUM (1) */\
+ 0x75, 0x01, /* REPORT_SIZE (1) */\
+ 0x95, 0x08, /* REPORT_COUNT (8) */\
+ 0x81, 0x02, /* INPUT (Data,Var,Abs) */\
+ 0x95, 0x01, /* REPORT_COUNT (1) */\
+ 0x75, 0x08, /* REPORT_SIZE (8) */\
+ 0x81, 0x03, /* INPUT (Cnst,Var,Abs) */\
+ 0x95, 0x05, /* REPORT_COUNT (5) */\
+ 0x75, 0x01, /* REPORT_SIZE (1) */\
+ 0x05, 0x08, /* USAGE_PAGE (LEDs) */\
+ 0x19, 0x01, /* USAGE_MINIMUM (Num Lock) */\
+ 0x29, 0x05, /* USAGE_MAXIMUM (Kana) */\
+ 0x91, 0x02, /* OUTPUT (Data,Var,Abs) */\
+ 0x95, 0x01, /* REPORT_COUNT (1) */\
+ 0x75, 0x03, /* REPORT_SIZE (3) */\
+ 0x91, 0x03, /* OUTPUT (Cnst,Var,Abs) */\
+ 0x95, 0x06, /* REPORT_COUNT (6) */\
+ 0x75, 0x08, /* REPORT_SIZE (8) */\
+ 0x15, 0x00, /* LOGICAL_MINIMUM (0) */\
+ 0x25, 0x65, /* LOGICAL_MAXIMUM (101) */\
+ 0x05, 0x07, /* USAGE_PAGE (Keyboard) */\
+ 0x19, 0x00, /* USAGE_MINIMUM (Reserved (no event indicated))*/\
+ 0x29, 0x65, /* USAGE_MAXIMUM (Keyboard Application) */\
+ 0x81, 0x00, /* INPUT (Data,Ary,Abs) */\
+ 0xc0 /* END_COLLECTION */\
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_KBD_DESC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_internal.h
new file mode 100644
index 0000000..06ab405
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/kbd/app_usbd_hid_kbd_internal.h
@@ -0,0 +1,174 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_KBD_INTERNAL_H__
+#define APP_USBD_HID_KBD_INTERNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup app_usbd_hid_kbd_internal USB HID keyboard internals
+ * @ingroup app_usbd_hid_kbd
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID keyboard class.
+ * @{
+ */
+
+/**
+ * @brief Forward declaration of HID keyboard class type.
+ *
+ */
+APP_USBD_CLASS_FORWARD(app_usbd_hid_kbd);
+
+
+/**
+ * @brief HID keyboard part of class instance data.
+ *
+ */
+typedef struct {
+ app_usbd_hid_inst_t hid_inst; //!< HID instance data.
+} app_usbd_hid_kbd_inst_t;
+
+/**
+ * @brief HID keyboard context
+ *
+ */
+typedef struct {
+ app_usbd_hid_ctx_t hid_ctx; //!< HID class context.
+
+ struct app_usbd_hid_kbd_ctx_internal_s {
+ uint8_t modifier; //!< Keyboard modifier state @ref app_usbd_hid_kbd_modifier_t.
+ uint8_t reserved; //!< Reserved value.
+ uint8_t key_table[6]; //!< Keyboard keys table @ref app_usbd_hid_kbd_codes_t.
+ } rep;
+
+ uint8_t report_buff[8]; //!< Raw report buffer.
+ uint8_t leds_state; //!< Output report LEDs state.
+ uint8_t set_report; //!< Set report flag.
+} app_usbd_hid_kbd_ctx_t;
+
+/**
+ * @brief HID keyboard configuration macro.
+ *
+ * Used by @ref APP_USBD_HID_KBD_GLOBAL_DEF.
+ *
+ *
+ */
+#define APP_USBD_HID_KBD_CONFIG(iface, ep) ((iface, ep))
+
+
+/**
+ * @brief Specific class constant data for HID keyboard class.
+ */
+#define APP_USBD_HID_KBD_INSTANCE_SPECIFIC_DEC app_usbd_hid_kbd_inst_t inst;
+
+/**
+ * @brief Specific class data for HID keyboard class.
+ */
+#define APP_USBD_HID_KBD_DATA_SPECIFIC_DEC app_usbd_hid_kbd_ctx_t ctx;
+
+
+/**
+ * @brief Configure internal part of HID keyboard instance.
+ *
+ * @param report_buff_in Input report buffers array.
+ * @param report_buff_out Output report buffer.
+ * @param user_ev_handler User event handler.
+ * @param subclass_boot Subclass boot. (@ref app_usbd_hid_subclass_t)
+ */
+#define APP_USBD_HID_KBD_INST_CONFIG(report_buff_in, \
+ report_buff_out, \
+ user_ev_handler, \
+ subclass_boot) \
+ .inst = { \
+ .hid_inst = APP_USBD_HID_INST_CONFIG(keyboard_descs, \
+ subclass_boot, \
+ APP_USBD_HID_PROTO_KEYBOARD, \
+ report_buff_in, \
+ report_buff_out, \
+ user_ev_handler, \
+ &app_usbd_hid_kbd_methods), \
+}
+
+
+/**
+ * @brief Public HID keyboard interface.
+ */
+extern const app_usbd_hid_methods_t app_usbd_hid_kbd_methods;
+
+/**
+ * @brief Public HID keyboard class interface.
+ */
+extern const app_usbd_class_methods_t app_usbd_hid_kbd_class_methods;
+
+/**
+ * @brief Global definition of @ref app_usbd_hid_kbd_t class.
+ *
+ * @ref APP_USBD_HID_KBD_GLOBAL_DEF
+ */
+#define APP_USBD_HID_KBD_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ endpoint, \
+ user_ev_handler, \
+ subclass_boot) \
+ static app_usbd_hid_report_buffer_t CONCAT_2(instance_name, _in)[1]; \
+ APP_USBD_HID_GENERIC_GLOBAL_OUT_REP_DEF(CONCAT_2(instance_name, _out), 1 + 1); \
+ APP_USBD_CLASS_INST_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_hid_kbd, \
+ &app_usbd_hid_kbd_class_methods, \
+ APP_USBD_HID_KBD_CONFIG(interface_number, endpoint), \
+ (APP_USBD_HID_KBD_INST_CONFIG(CONCAT_2(instance_name, _in), \
+ &CONCAT_2(instance_name, _out), \
+ user_ev_handler, \
+ subclass_boot)) \
+ )
+
+
+/** @} */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_HID_KBD_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.c
new file mode 100644
index 0000000..7427c58
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.c
@@ -0,0 +1,620 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_HID_MOUSE)
+
+#include <string.h>
+#include "app_usbd_hid_mouse.h"
+#include "app_util_platform.h"
+
+
+/**
+ * @defgroup app_usbd_hid_mouse_internal USBD HID Mouse internals
+ * @{
+ * @ingroup app_usbd_hid_mouse
+ * @internal
+ */
+
+/**
+ * @brief Auxiliary function to access HID mouse context data.
+ *
+ * @param[in] p_inst class instance data.
+ *
+ * @return HID mouse instance data context.
+ */
+static inline app_usbd_hid_mouse_ctx_t * hid_mouse_ctx_get(app_usbd_hid_mouse_t const * p_mouse)
+{
+ ASSERT(p_mouse != NULL);
+ ASSERT(p_mouse->specific.p_data != NULL);
+ return &p_mouse->specific.p_data->ctx;
+}
+
+
+/**
+ * @brief Auxiliary function to access HID mouse instance data.
+ *
+ * @param[in] p_inst class instance data.
+ *
+ * @return HID mouse instance.
+ */
+static inline app_usbd_hid_mouse_t const * hid_mouse_get(app_usbd_class_inst_t const * p_inst)
+{
+ ASSERT(p_inst != NULL);
+ return (app_usbd_hid_mouse_t const *)p_inst;
+}
+
+
+/**
+ * @brief Returns mouse report buffer handle.
+ *
+ * @param[in] p_kbd HID keyboard instance.
+ *
+ * @return HID report buffer.
+ */
+static inline
+app_usbd_hid_report_buffer_t const * hid_mouse_rep_buffer_get(app_usbd_hid_mouse_t const * p_mouse)
+{
+ ASSERT(p_mouse != NULL);
+ app_usbd_hid_inst_t const * p_hinst = &p_mouse->specific.inst.hid_inst;
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+ app_usbd_hid_report_buffer_t * p_rep_buff = app_usbd_hid_rep_buff_in_get(p_hinst);
+
+ p_rep_buff->p_buff = p_mouse_ctx->report_buff;
+ p_rep_buff->size = sizeof(p_mouse_ctx->report_buff);
+
+ /*Mouse has only one report input report buffer */
+ return app_usbd_hid_rep_buff_in_get(p_hinst);
+}
+
+
+/**@brief Auxiliary function to get report value from internal accumulated value.
+ *
+ * @param[in] acc Accumulated XY axis or scroll.
+ *
+ * @return Offset value that could be written directly to report buffer.
+ */
+static inline int8_t hid_mouse_axis_acc_get(int16_t acc)
+{
+ if (acc > INT8_MAX)
+ {
+ return INT8_MAX;
+ }
+
+ if (acc < INT8_MIN)
+ {
+ return INT8_MIN;
+ }
+
+ return acc;
+}
+
+
+/**@brief Auxiliary function to prepare report transfer buffer to next transfer.
+ *
+ * @param[in] p_mouse_ctx Mouse internal context.
+ *
+ * @retval true Next transfer is required.
+ * @retval false Next transfer is not required.
+ */
+static inline bool hid_mouse_transfer_next(app_usbd_hid_mouse_t const * p_mouse)
+{
+
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+ app_usbd_hid_report_buffer_t const * p_rep_buffer = hid_mouse_rep_buffer_get(p_mouse);
+
+ uint8_t * p_buff = p_rep_buffer->p_buff;
+
+ /*Save last buttons state*/
+ uint8_t last_button_state = p_buff[0];
+
+ /*Button state*/
+ p_buff[0] = p_mouse_ctx->button_state;
+
+ /*Axis X*/
+ int8_t val_x = hid_mouse_axis_acc_get(p_mouse_ctx->acc_x_axis);
+ p_mouse_ctx->acc_x_axis -= val_x;
+ p_buff[1] = val_x;
+
+ /*Axis Y*/
+ int8_t val_y = hid_mouse_axis_acc_get(p_mouse_ctx->acc_y_axis);
+ p_mouse_ctx->acc_y_axis -= val_y;
+ p_buff[2] = val_y;
+
+ /*Scroll*/
+ int8_t val_scroll = hid_mouse_axis_acc_get(p_mouse_ctx->acc_scroll);
+ p_mouse_ctx->acc_scroll -= val_scroll;
+ p_buff[3] = val_scroll;
+
+ if (val_x || val_y || val_scroll)
+ {
+ /*New transfer is required if any of mouse relative position is not zero*/
+ return true;
+ }
+
+ if (last_button_state != p_buff[0])
+ {
+ /*New transfer is required if button state has changed*/
+ return true;
+ }
+
+ return false;
+}
+
+
+/**
+ * @brief Triggers IN endpoint transfer.
+ *
+ * @param[in] p_mouse HID mouse instance.
+ *
+ * @return Standard error code.
+ */
+static inline ret_code_t hid_mouse_transfer_set(app_usbd_hid_mouse_t const * p_mouse)
+{
+ app_usbd_class_inst_t const * p_inst = (app_usbd_class_inst_t const *)p_mouse;
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+
+ nrf_drv_usbd_ep_t ep_addr = app_usbd_hid_epin_addr_get(p_inst);
+
+ app_usbd_hid_state_flag_clr(&p_mouse_ctx->hid_ctx, APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ if (!hid_mouse_transfer_next(p_mouse))
+ {
+ /* Transfer buffer hasn't changed since last transfer. No need to setup
+ * next transfer.
+ * */
+ return NRF_SUCCESS;
+ }
+
+ app_usbd_hid_report_buffer_t const * p_rep_buffer = hid_mouse_rep_buffer_get(p_mouse);
+
+ NRF_DRV_USBD_TRANSFER_IN(transfer, p_rep_buffer->p_buff, p_rep_buffer->size);
+
+ ret_code_t ret;
+ CRITICAL_REGION_ENTER();
+ ret = app_usbd_ep_transfer(ep_addr, &transfer);
+ if (ret == NRF_SUCCESS)
+ {
+ app_usbd_hid_state_flag_set(&p_mouse_ctx->hid_ctx,
+ APP_USBD_HID_STATE_FLAG_TRANS_IN_PROGRESS);
+ }
+ CRITICAL_REGION_EXIT();
+
+ return ret;
+}
+
+
+/**
+ * @brief Checks if adding would cause 16 bit signed integer overflow.
+ *
+ * @param[in] acc Signed 16 bit accumulator to test.
+ * @param[in] value Value to add to accumulator.
+ *
+ * @retval true Overflow detected.
+ * @retval false No overflow detected.
+ */
+static inline bool hid_mouse_acc_overflow_check(int16_t acc, int8_t val)
+{
+ if (((int32_t)acc + val) > INT16_MAX)
+ {
+ return true;
+ }
+
+ if (((int32_t)acc + val) < INT16_MIN)
+ {
+ return true;
+ }
+
+ return false;
+}
+
+
+ret_code_t app_usbd_hid_mouse_x_move(app_usbd_hid_mouse_t const * p_mouse, int8_t offset)
+{
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+
+ if (!app_usbd_hid_state_valid(&p_mouse_ctx->hid_ctx))
+ {
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+ if (offset == 0)
+ {
+ /*No position change*/
+ return NRF_SUCCESS;
+ }
+
+ if (hid_mouse_acc_overflow_check(p_mouse_ctx->acc_y_axis, offset))
+ {
+ /*Overflow detected*/
+ return NRF_ERROR_BUSY;
+ }
+
+ app_usbd_hid_access_lock(&p_mouse_ctx->hid_ctx);
+ p_mouse_ctx->acc_x_axis += offset;
+ app_usbd_hid_access_unlock(&p_mouse_ctx->hid_ctx);
+
+ if (app_usbd_hid_trans_required(&p_mouse_ctx->hid_ctx))
+ {
+ /*New transfer need to be triggered*/
+ return hid_mouse_transfer_set(p_mouse);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+ret_code_t app_usbd_hid_mouse_y_move(app_usbd_hid_mouse_t const * p_mouse, int8_t offset)
+{
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+
+ if (!app_usbd_hid_state_valid(&p_mouse_ctx->hid_ctx))
+ {
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+ if (offset == 0)
+ {
+ /*No position change*/
+ return NRF_SUCCESS;
+ }
+
+ if (hid_mouse_acc_overflow_check(p_mouse_ctx->acc_y_axis, offset))
+ {
+ /*Overflow detected*/
+ return NRF_ERROR_BUSY;
+ }
+
+ app_usbd_hid_access_lock(&p_mouse_ctx->hid_ctx);
+ p_mouse_ctx->acc_y_axis += offset;
+ app_usbd_hid_access_unlock(&p_mouse_ctx->hid_ctx);
+
+ if (app_usbd_hid_trans_required(&p_mouse_ctx->hid_ctx))
+ {
+ /*New transfer need to be triggered*/
+ return hid_mouse_transfer_set(p_mouse);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+ret_code_t app_usbd_hid_mouse_scroll_move(app_usbd_hid_mouse_t const * p_mouse, int8_t offset)
+{
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+
+ if (!app_usbd_hid_state_valid(&p_mouse_ctx->hid_ctx))
+ {
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+ if (offset == 0)
+ {
+ /*No position change*/
+ return NRF_SUCCESS;
+ }
+
+ if (hid_mouse_acc_overflow_check(p_mouse_ctx->acc_scroll, offset))
+ {
+ /*Overflow detected*/
+ return NRF_ERROR_BUSY;
+ }
+
+ app_usbd_hid_access_lock(&p_mouse_ctx->hid_ctx);
+ p_mouse_ctx->acc_scroll += offset;
+ app_usbd_hid_access_unlock(&p_mouse_ctx->hid_ctx);
+
+ if (app_usbd_hid_trans_required(&p_mouse_ctx->hid_ctx))
+ {
+ /*New transfer need to be triggered*/
+ return hid_mouse_transfer_set(p_mouse);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+ret_code_t app_usbd_hid_mouse_button_state(app_usbd_hid_mouse_t const * p_mouse,
+ uint8_t button_id,
+ bool state)
+{
+ ASSERT(button_id < 8);
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+
+ if (button_id >= p_mouse->specific.inst.button_count)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ if (!app_usbd_hid_state_valid(&p_mouse_ctx->hid_ctx))
+ {
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+ if (IS_SET(p_mouse_ctx->button_state, button_id) == (state ? 1 : 0))
+ {
+ return NRF_SUCCESS;
+ }
+
+ app_usbd_hid_access_lock(&p_mouse_ctx->hid_ctx);
+ if (state)
+ {
+ SET_BIT(p_mouse_ctx->button_state, button_id);
+ }
+ else
+ {
+ CLR_BIT(p_mouse_ctx->button_state, button_id);
+ }
+ app_usbd_hid_access_unlock(&p_mouse_ctx->hid_ctx);
+
+ if (app_usbd_hid_trans_required(&p_mouse_ctx->hid_ctx))
+ {
+ /*New transfer need to be triggered*/
+ return hid_mouse_transfer_set(p_mouse);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::on_get_report
+ */
+static ret_code_t hid_mouse_on_get_report(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ if (p_setup_ev->setup.wValue.hb != APP_USBD_HID_REPORT_TYPE_INPUT)
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ app_usbd_hid_mouse_t const * p_mouse = hid_mouse_get(p_inst);
+ app_usbd_hid_report_buffer_t const * p_rep_buffer = hid_mouse_rep_buffer_get(p_mouse);
+
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_rep_buffer->p_buff, p_rep_buffer->size);
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::on_set_report
+ */
+static ret_code_t hid_mouse_on_set_report(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief @ref app_usbd_hid_interface_t::ep_transfer_set
+ */
+static ret_code_t hid_mouse_ep_transfer_in(app_usbd_class_inst_t const * p_inst)
+{
+ return hid_mouse_transfer_set((app_usbd_hid_mouse_t const *)p_inst);
+}
+
+
+/**
+ * @brief @ref app_usbd_class_interface_t::event_handler
+ */
+static ret_code_t hid_mouse_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_event != NULL);
+
+ app_usbd_hid_mouse_t const * p_mouse = hid_mouse_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_mouse->specific.inst.hid_inst;
+
+ app_usbd_hid_mouse_ctx_t * p_mouse_ctx = hid_mouse_ctx_get(p_mouse);
+ app_usbd_hid_ctx_t * p_hid_ctx = &p_mouse_ctx->hid_ctx;
+
+
+ ret_code_t ret = NRF_SUCCESS;
+
+ switch (p_event->app_evt.type)
+ {
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ if (ret != NRF_ERROR_NOT_SUPPORTED)
+ {
+ /* Event was processed by specific handler */
+ return ret;
+ }
+
+ /*Try handle event by generic HID event handler*/
+ return app_usbd_hid_event_handler(p_inst, p_hinst, p_hid_ctx, p_event);
+}
+
+
+static uint8_t hid_mouse_get_class_descriptors_count(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_hid_mouse_t const * p_mouse = hid_mouse_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_mouse->specific.inst.hid_inst;
+
+ return p_hinst->subclass_desc_count;
+}
+
+
+static app_usbd_descriptor_t hid_mouse_get_class_descriptors_type(
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num)
+{
+ app_usbd_hid_mouse_t const * p_mouse = hid_mouse_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_mouse->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->type;
+}
+
+
+static size_t hid_mouse_get_class_descriptors_length(app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num)
+{
+ app_usbd_hid_mouse_t const * p_mouse = hid_mouse_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_mouse->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->size;
+}
+
+
+static uint8_t hid_mouse_get_class_descriptors_data(app_usbd_class_inst_t const * p_inst,
+ uint8_t desc_num,
+ uint32_t cur_byte)
+{
+ app_usbd_hid_mouse_t const * p_mouse = hid_mouse_get(p_inst);
+ app_usbd_hid_inst_t const * p_hinst = &p_mouse->specific.inst.hid_inst;
+
+ return p_hinst->p_subclass_desc[desc_num]->p_data[cur_byte];
+}
+
+
+static bool hid_mouse_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static uint8_t ifaces = 0;
+
+ ifaces = app_usbd_class_iface_count_get(p_inst);
+ app_usbd_hid_mouse_t const * p_mouse = hid_mouse_get(p_inst);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ static uint8_t i = 0;
+
+ for (i = 0; i < ifaces; i++)
+ {
+ /* INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+
+ static app_usbd_class_iface_conf_t const * p_cur_iface = NULL;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, i);
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_ep_count_get(p_cur_iface)); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_CLASS); // bInterfaceClass = HID
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_mouse->specific.inst.hid_inst.subclass_boot); // bInterfaceSubclass (Boot Interface)
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_mouse->specific.inst.hid_inst.protocol); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ /* HID DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_DESCRIPTOR_HID); // bDescriptorType = HID
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(APP_USBD_HID_BCD_VER)); // bcdHID LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(APP_USBD_HID_BCD_VER)); // bcdHID MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_HID_COUNTRY_NOT_SUPPORTED); // bCountryCode
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_mouse_get_class_descriptors_count(p_inst)); // bNumDescriptors
+
+ static uint8_t class_desc_cnt = 0;
+ class_desc_cnt = hid_mouse_get_class_descriptors_count(p_inst);
+ static uint8_t j = 0;
+ static uint16_t class_desc_len = 0;
+
+ for (j = 0; j < class_desc_cnt; j++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_mouse_get_class_descriptors_type(p_inst, j)); // bDescriptorType
+
+ class_desc_len = hid_mouse_get_class_descriptors_length(p_inst, j);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(class_desc_len)); // wDescriptorLength LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(class_desc_len)); // wDescriptorLength MSB
+ }
+
+ static uint8_t endpoints = 0;
+ endpoints = app_usbd_class_iface_ep_count_get(p_cur_iface);
+
+ for (j = 0; j < endpoints; j++)
+ {
+ /* ENDPOINT DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x07); // bLengths
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_ENDPOINT); // bDescriptorType = Endpoint
+
+ static app_usbd_class_ep_conf_t const * p_cur_ep = NULL;
+ p_cur_ep = app_usbd_class_iface_ep_get(p_cur_iface, i);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_ep_address_get(p_cur_ep)); // bEndpointAddress
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_INTERRUPT); // bmAttributes
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x01); // bInterval
+ }
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+static bool hid_mouse_feed_subclass_descriptor(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size,
+ uint8_t index)
+{
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ /* PHYSICAL AND REPORT DESCRIPTORS */
+ static uint32_t cur_byte = 0;
+ static size_t sub_desc_size = 0;
+ sub_desc_size = hid_mouse_get_class_descriptors_length(p_inst, index);
+
+ for (cur_byte = 0; cur_byte <= sub_desc_size; cur_byte++)
+ {
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(hid_mouse_get_class_descriptors_data(p_inst, index, cur_byte));
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+/** @} */
+
+const app_usbd_hid_methods_t app_usbd_hid_mouse_methods = {
+ .on_get_report = hid_mouse_on_get_report,
+ .on_set_report = hid_mouse_on_set_report,
+ .ep_transfer_in = hid_mouse_ep_transfer_in,
+ .ep_transfer_out = NULL,
+ .feed_subclass_descriptor = hid_mouse_feed_subclass_descriptor,
+};
+
+const app_usbd_class_methods_t app_usbd_hid_mouse_class_methods = {
+ .event_handler = hid_mouse_event_handler,
+ .feed_descriptors = hid_mouse_feed_descriptors,
+};
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_HID_MOUSE)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.h
new file mode 100644
index 0000000..2293f3c
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse.h
@@ -0,0 +1,184 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_MOUSE_H__
+#define APP_USBD_HID_MOUSE_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd_hid_types.h"
+#include "app_usbd_hid.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_descriptor.h"
+#include "app_usbd_hid_mouse_desc.h"
+#include "app_usbd_hid_mouse_internal.h"
+
+/**
+ * @defgroup app_usbd_hid_mouse USB HID mouse
+ * @ingroup app_usbd_hid
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID mouse class.
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief HID mouse class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_hid_mouse_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_TYPEDEF(app_usbd_hid_mouse, \
+ APP_USBD_HID_MOUSE_CONFIG(0, NRF_DRV_USBD_EPIN1), \
+ APP_USBD_HID_MOUSE_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_HID_MOUSE_DATA_SPECIFIC_DEC \
+);
+/*lint -restore*/
+#endif
+
+/**
+ * @brief Global definition macro of app_usbd_hid_mouse_t class.
+ *
+ * @param instance_name Name of global instance.
+ * @param interface_number Unique interface number.
+ * @param endpoint Input endpoint (@ref nrf_drv_usbd_ep_t).
+ * @param bcnt Mouse button count (from 1 to 8).
+ * @param user_ev_handler User event handler (optional).
+ * @param subclass_boot Subclass boot. (@ref app_usbd_hid_subclass_t)
+ *
+ * @note This macro is just simplified version of @ref APP_USBD_HID_MOUSE_GLOBAL_DEF_INTERNAL.
+ *
+ * @code
+ APP_USBD_HID_MOUSE_GLOBAL_DEF(my_awesome_mouse, 0, NRF_DRV_USBD_EPIN1, 3, NULL);
+ * @endcode
+ */
+#define APP_USBD_HID_MOUSE_GLOBAL_DEF(instance_name, \
+ interface_number, \
+ endpoint, \
+ bcnt, \
+ user_ev_handler, \
+ subclass_boot) \
+ APP_USBD_HID_GENERIC_SUBCLASS_REPORT_DESC(mouse_desc, APP_USBD_HID_MOUSE_REPORT_DSC_BUTTON(bcnt)); \
+ static const app_usbd_hid_subclass_desc_t * mouse_descs[] = {&mouse_desc}; \
+ APP_USBD_HID_MOUSE_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ endpoint, \
+ bcnt, \
+ user_ev_handler, \
+ subclass_boot)
+
+
+/**
+ * @brief Helper function to get class instance from HID mouse internals.
+ *
+ * @param[in] p_mouse Mouse instance (declared by @ref APP_USBD_HID_MOUSE_GLOBAL_DEF).
+ *
+ * @return Base class instance.
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_hid_mouse_class_inst_get(app_usbd_hid_mouse_t const * p_mouse)
+{
+ return &p_mouse->base;
+}
+
+/**
+ * @brief Helper function to get HID mouse from base class instance.
+ *
+ * @param[in] p_inst Base class instance.
+ *
+ * @return HID mouse class handle.
+ */
+static inline app_usbd_hid_mouse_t const *
+app_usbd_hid_mouse_class_get(app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_hid_mouse_t const *)p_inst;
+}
+
+/**
+ * @brief Move mouse X axis.
+ *
+ * @param[in] p_mouse Mouse instance (declared by @ref APP_USBD_HID_MOUSE_GLOBAL_DEF).
+ * @param[in] offset Relative mouse position: allowed full int8_t range.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_mouse_x_move(app_usbd_hid_mouse_t const * p_mouse, int8_t offset);
+
+/**
+ * @brief Move mouse Y axis.
+ *
+ * @param[in] p_mouse Mouse instance (declared by @ref APP_USBD_HID_MOUSE_GLOBAL_DEF).
+ * @param[in] offset Relative mouse position: allowed full int8_t range.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_mouse_y_move(app_usbd_hid_mouse_t const * p_mouse, int8_t offset);
+
+/**
+ * @brief Move mouse scroll.
+ *
+ * @param[in] p_mouse Mouse instance (declared by @ref APP_USBD_HID_MOUSE_GLOBAL_DEF).
+ * @param[in] offset Relative mouse position: allowed full int8_t range.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_mouse_scroll_move(app_usbd_hid_mouse_t const * p_mouse, int8_t offset);
+
+/**
+ * @brief Set mouse button state.
+ *
+ * @param[in] p_mouse Mouse instance (declared by @ref APP_USBD_HID_MOUSE_GLOBAL_DEF).
+ * @param[in] button_id Button number (0...7).
+ * @param[in] state Button state: true -> PRESSED, false -> RELEASED.
+ *
+ * @return Standard error code.
+ */
+ret_code_t app_usbd_hid_mouse_button_state(app_usbd_hid_mouse_t const * p_mouse,
+ uint8_t button_id,
+ bool state);
+
+/** @} */
+
+#endif /* APP_USBD_HID_MOUSE_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_desc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_desc.h
new file mode 100644
index 0000000..e7517c2
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_desc.h
@@ -0,0 +1,117 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_MOUSE_DESC_H__
+#define APP_USBD_HID_MOUSE_DESC_H__
+
+/**
+ * @defgroup app_usbd_hid_mouse_desc USB HID mouse descriptors
+ * @ingroup app_usbd_hid_mouse
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID mouse class.
+ * @{
+ */
+
+/**
+ * @brief Initializer of interface descriptor for HID mouse class.
+ *
+ * @param interface_number Interface number.
+ */
+#define APP_USBD_HID_MOUSE_INTERFACE_DSC(interface_number) \
+ APP_USBD_HID_INTERFACE_DSC(interface_number, \
+ 1, \
+ APP_USBD_HID_SUBCLASS_BOOT, \
+ APP_USBD_HID_PROTO_MOUSE)
+
+/**
+ * @brief Initializer of HID descriptor for HID mouse class.
+ *
+ * @param ... Descriptor list.
+ */
+#define APP_USBD_HID_MOUSE_HID_DSC(...) \
+ APP_USBD_HID_HID_DSC(__VA_ARGS__)
+
+/**
+ * @brief Initializer of endpoint descriptor for HID mouse class.
+ *
+ * @param endpoint_number Endpoint number.
+ */
+#define APP_USBD_HID_MOUSE_EP_DSC(endpoint_number) \
+ APP_USBD_HID_EP_DSC(endpoint_number, 8, 1)
+
+
+
+/**
+ * @brief Example of USB HID mouse report descriptor for n button mouse.
+ *
+ * @param bcnt Button count. Allowed values from 1 to 8.
+ */
+#define APP_USBD_HID_MOUSE_REPORT_DSC_BUTTON(bcnt) { \
+ 0x05, 0x01, /* Usage Page (Generic Desktop), */ \
+ 0x09, 0x02, /* Usage (Mouse), */ \
+ 0xA1, 0x01, /* Collection (Application), */ \
+ 0x09, 0x01, /* Usage (Pointer), */ \
+ 0xA1, 0x00, /* Collection (Physical), */ \
+ 0x05, 0x09, /* Usage Page (Buttons), */ \
+ 0x19, 0x01, /* Usage Minimum (01), */ \
+ 0x29, bcnt, /* Usage Maximum (bcnt), */ \
+ 0x15, 0x00, /* Logical Minimum (0), */ \
+ 0x25, 0x01, /* Logical Maximum (1), */ \
+ 0x75, 0x01, /* Report Size (1), */ \
+ 0x95, bcnt, /* Report Count (bcnt), */ \
+ 0x81, 0x02, /* Input (Data, Variable, Absolute)*/ \
+ 0x75, (8-(bcnt)), /* Report Size (8-(bcnt)), */ \
+ 0x95, 0x01, /* Report Count (1), */ \
+ 0x81, 0x01, /* Input (Constant), */ \
+ 0x05, 0x01, /* Usage Page (Generic Desktop), */ \
+ 0x09, 0x30, /* Usage (X), */ \
+ 0x09, 0x31, /* Usage (Y), */ \
+ 0x09, 0x38, /* Usage (Scroll), */ \
+ 0x15, 0x81, /* Logical Minimum (-127), */ \
+ 0x25, 0x7F, /* Logical Maximum (127), */ \
+ 0x75, 0x08, /* Report Size (8), */ \
+ 0x95, 0x03, /* Report Count (3), */ \
+ 0x81, 0x06, /* Input (Data, Variable, Relative)*/ \
+ 0xC0, /* End Collection, */ \
+ 0xC0, /* End Collection */ \
+}
+
+ /** @} */
+
+#endif /* APP_USBD_HID_MOUSE_DESC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_internal.h
new file mode 100644
index 0000000..64ccc7f
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/hid/mouse/app_usbd_hid_mouse_internal.h
@@ -0,0 +1,173 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_HID_MOUSE_INTERNAL_H__
+#define APP_USBD_HID_MOUSE_INTERNAL_H__
+
+/**
+ * @defgroup app_usbd_hid_mouse_internals USB HID mouse internals
+ * @ingroup app_usbd_hid_mouse
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the HID mouse class.
+ * @{
+ */
+
+/**
+ * @brief Forward declaration of HID mouse class type.
+ */
+APP_USBD_CLASS_FORWARD(app_usbd_hid_mouse);
+
+
+/**
+ * @brief HID mouse part of class instance data.
+ */
+typedef struct {
+ app_usbd_hid_inst_t hid_inst; //!< HID instance data.
+ const uint8_t button_count; //!< Number of buttons mouse specific.
+} app_usbd_hid_mouse_inst_t;
+
+/**
+ * @brief HID mouse context.
+ */
+typedef struct {
+ app_usbd_hid_ctx_t hid_ctx; //!< HID class context.
+
+ int16_t acc_x_axis; //!< Mouse specific. Accumulated x axis offset.
+ int16_t acc_y_axis; //!< Mouse specific. Accumulated y axis offset.
+ int16_t acc_scroll; //!< Mouse specific. Accumulated scroll offset.
+ uint8_t button_state; //!< Mouse specific. Actual button state. Bitfield of maximum 8 buttons states.
+ uint8_t report_buff[4];
+} app_usbd_hid_mouse_ctx_t;
+
+
+/**
+ * @brief HID mouse configuration macro.
+ *
+ * Used by @ref APP_USBD_HID_MOUSE_GLOBAL_DEF.
+ *
+ */
+#define APP_USBD_HID_MOUSE_CONFIG(iface, ep) ((iface, ep))
+
+
+/**
+ * @brief Specific class constant data for HID mouse class.
+ */
+#define APP_USBD_HID_MOUSE_INSTANCE_SPECIFIC_DEC app_usbd_hid_mouse_inst_t inst;
+
+/**
+ * @brief Specific class data for HID mouse class.
+ */
+#define APP_USBD_HID_MOUSE_DATA_SPECIFIC_DEC app_usbd_hid_mouse_ctx_t ctx;
+
+
+/**
+ * @brief HID mouse descriptors config macro
+ *
+ * @ref app_usbd_hid_mouse_inst_t
+ *
+ */
+#define APP_USBD_HID_MOUSE_DSC_CONFIG(interface_number, endpoint, rep_desc) { \
+ APP_USBD_HID_MOUSE_INTERFACE_DSC(interface_number) \
+ APP_USBD_HID_MOUSE_HID_DSC(rep_desc) \
+ APP_USBD_HID_MOUSE_EP_DSC(endpoint) \
+}
+
+/**
+ * @brief Configure internal part of HID mouse instance.
+ *
+ * @param report_buff_in Input report buffers array.
+ * @param report_buff_out Output report buffer.
+ * @param user_ev_handler User event handler.
+ * @param bcnt Mouse button count.
+ * @param subclass_boot Subclass boot. (@ref app_usbd_hid_subclass_t)
+ */
+#define APP_USBD_HID_MOUSE_INST_CONFIG(report_buff_in, \
+ report_buff_out, \
+ user_ev_handler, \
+ bcnt, \
+ subclass_boot) \
+ .inst = { \
+ .hid_inst = APP_USBD_HID_INST_CONFIG(mouse_descs, \
+ subclass_boot, \
+ APP_USBD_HID_PROTO_MOUSE, \
+ report_buff_in, \
+ report_buff_out, \
+ user_ev_handler, \
+ &app_usbd_hid_mouse_methods), \
+ .button_count = bcnt, \
+ }
+
+/**
+ * @brief Public HID mouse interface.
+ */
+extern const app_usbd_hid_methods_t app_usbd_hid_mouse_methods;
+
+/**
+ * @brief Public HID mouse class interface.
+ */
+extern const app_usbd_class_methods_t app_usbd_hid_mouse_class_methods;
+
+/**
+ * @brief Global definition of app_usbd_hid_mouse_t class.
+ *
+ * @ref APP_USBD_HID_MOUSE_GLOBAL_DEF
+ */
+#define APP_USBD_HID_MOUSE_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ endpoint, \
+ bcnt, \
+ user_ev_handler, \
+ subclass_boot) \
+ static app_usbd_hid_report_buffer_t CONCAT_2(instance_name, _in)[1]; \
+ APP_USBD_CLASS_INST_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_hid_mouse, \
+ &app_usbd_hid_mouse_class_methods, \
+ APP_USBD_HID_MOUSE_CONFIG(interface_number, endpoint), \
+ (APP_USBD_HID_MOUSE_INST_CONFIG(CONCAT_2(instance_name, _in), \
+ NULL, \
+ user_ev_handler, \
+ bcnt, \
+ subclass_boot)) \
+ )
+
+
+/** @} */
+
+#endif /* APP_USBD_HID_MOUSE_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.c
new file mode 100644
index 0000000..a19de11
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.c
@@ -0,0 +1,2365 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_MSC)
+
+#include <string.h>
+#include <ctype.h>
+#include "app_usbd.h"
+#include "app_usbd_msc.h"
+#include "app_usbd_string_desc.h"
+
+/**
+ * @defgroup app_usbd_msc_internal USBD MSC internals
+ * @{
+ * @ingroup app_usbd_msc
+ * @internal
+ */
+
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_requestsense_t) == 6);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_requestsense_resp_t) == 18);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_inquiry_t) == 6);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_inquiry_resp_t) == 36);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_read6_t) == 6);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_write6_t) == 6);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_modesense6_t) == 6);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_modesense6_resp_t) == 4);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_readcapacity10_t) == 10);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_readcapacity10_resp_t) == 8);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_read10_t) == 10);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_write10_t) == 10);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_modesense10_t) == 10);
+STATIC_ASSERT(sizeof(app_usbd_scsi_cmd_modesense10_resp_t) == 8);
+
+STATIC_ASSERT(sizeof(app_usbd_msc_cbw_t) == 31);
+STATIC_ASSERT(sizeof(app_usbd_msc_csw_t) == 13);
+
+#define NRF_LOG_MODULE_NAME usbd_msc
+
+#if APP_USBD_MSC_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL APP_USBD_MSC_CONFIG_LOG_LEVEL
+#define NRF_LOG_INFO_COLOR APP_USBD_MSC_CONFIG_INFO_COLOR
+#define NRF_LOG_DEBUG_COLOR APP_USBD_MSC_CONFIG_DEBUG_COLOR
+#else // APP_USBD_MSC_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL 0
+#endif // APP_USBD_MSC_CONFIG_LOG_ENABLED
+#include "nrf_log.h"
+NRF_LOG_MODULE_REGISTER();
+
+#define APP_USBD_MSC_IFACE_IDX 0 /**< Mass storage class interface index */
+#define APP_USBD_MSC_EPIN_IDX 0 /**< Mass storage class endpoint IN index */
+#define APP_USBD_MSC_EPOUT_IDX 1 /**< Mass storage class endpoint OUT index */
+
+/**
+ * @brief Set request buffer busy flag
+ *
+ * @param[in] val Bitmask to set
+ * @param[in] id Buffer id
+ * */
+#define APP_USBD_MSC_REQ_BUSY_SET(val, id) SET_BIT(val, id)
+
+/**
+ * @brief Clear request buffer busy flag
+ *
+ * @param[in] val Bitmask to set
+ * @param[in] id Buffer id
+ * */
+#define APP_USBD_MSC_REQ_BUSY_CLR(val, id) CLR_BIT(val, id)
+
+#define APP_USBD_MSC_REQ_BUSY_FULL_MASK (0x03) /**< Request busy mask */
+
+static void msc_blockdev_ev_handler(nrf_block_dev_t const * p_blk_dev,
+ nrf_block_dev_event_t const * p_event);
+
+/**
+ * @brief Auxiliary function to access MSC instance data
+ *
+ * @param[in] p_inst Class instance data
+ *
+ * @return MSC instance data @ref app_usbd_msc_t
+ */
+static inline app_usbd_msc_t const * msc_get(app_usbd_class_inst_t const * p_inst)
+{
+ ASSERT(p_inst != NULL);
+ return (app_usbd_msc_t const *)p_inst;
+}
+
+
+/**
+ * @brief Auxiliary function to access MSC context data
+ *
+ * @param[in] p_msc MSC instance data
+ * @return MSC context data @ref app_usbd_msc_ctx_t
+ */
+static inline app_usbd_msc_ctx_t * msc_ctx_get(app_usbd_msc_t const * p_msc)
+{
+ ASSERT(p_msc != NULL);
+ ASSERT(p_msc->specific.p_data != NULL);
+ return &p_msc->specific.p_data->ctx;
+}
+
+
+/**
+ * @brief Auxiliary function to access MSC IN endpoint address
+ *
+ * @param[in] p_inst Class instance data
+ *
+ * @return IN endpoint address
+ */
+static inline nrf_drv_usbd_ep_t ep_in_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_MSC_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_MSC_EPIN_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+
+/**
+ * @brief Auxiliary function to access MSC OUT endpoint address
+ *
+ * @param[in] p_inst Class instance data
+ *
+ * @return OUT endpoint address
+ */
+static inline nrf_drv_usbd_ep_t ep_out_addr_get(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_class_iface_conf_t const * class_iface;
+
+ class_iface = app_usbd_class_iface_get(p_inst, APP_USBD_MSC_IFACE_IDX);
+
+ app_usbd_class_ep_conf_t const * ep_cfg;
+ ep_cfg = app_usbd_class_iface_ep_get(class_iface, APP_USBD_MSC_EPOUT_IDX);
+
+ return app_usbd_class_ep_address_get(ep_cfg);
+}
+
+
+/**
+ * @brief Command Block Wrapper trigger
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] state Next state transition
+ *
+ * @return Standard error code
+ * */
+static ret_code_t cbw_wait_start(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ nrf_drv_usbd_ep_t ep_addr_out = ep_out_addr_get(p_inst);
+
+ NRF_LOG_DEBUG("cbw_wait_start");
+ memset(&p_msc_ctx->cbw, 0, sizeof(app_usbd_msc_cbw_t));
+ NRF_DRV_USBD_TRANSFER_OUT(cbw, &p_msc_ctx->cbw, sizeof(app_usbd_msc_cbw_t));
+ ret_code_t ret = app_usbd_ep_transfer(ep_addr_out, &cbw);
+ if (ret == NRF_SUCCESS)
+ {
+ p_msc_ctx->state = APP_USBD_MSC_STATE_CBW;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief Command Status Wrapper trigger
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] state Next state transition
+ *
+ * @return Standard error code
+ * */
+static ret_code_t csw_wait_start(app_usbd_class_inst_t const * p_inst, uint8_t status)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ nrf_drv_usbd_ep_t ep_addr_in = ep_in_addr_get(p_inst);
+
+ memset(&p_msc_ctx->csw, 0, sizeof(app_usbd_msc_csw_t));
+ memcpy(p_msc_ctx->csw.signature, APP_USBD_MSC_CSW_SIGNATURE, sizeof(p_msc_ctx->csw.signature));
+ memcpy(p_msc_ctx->csw.tag, p_msc_ctx->cbw.tag, sizeof(p_msc_ctx->csw.tag));
+ memcpy(p_msc_ctx->csw.residue, &p_msc_ctx->current.residue, sizeof(uint32_t));
+ p_msc_ctx->csw.status = status;
+
+ NRF_DRV_USBD_TRANSFER_IN(csw, &p_msc_ctx->csw, sizeof(app_usbd_msc_csw_t));
+ ret_code_t ret = app_usbd_ep_transfer(ep_addr_in, &csw);
+ if (ret == NRF_SUCCESS)
+ {
+ p_msc_ctx->state = APP_USBD_MSC_STATE_CSW;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief IN transfer trigger
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_buff IN transfer data buffer
+ * @param[in] size IN transfer size
+ * @param[in] state Next state transition
+ *
+ * @return Standard error code
+ * */
+static ret_code_t transfer_in_start(app_usbd_class_inst_t const * p_inst,
+ void const * p_buff,
+ size_t size,
+ app_usbd_msc_state_t state)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ NRF_LOG_DEBUG("transfer_in_start: p_buff: %p, size: %u", (uint32_t)p_buff, size);
+
+ nrf_drv_usbd_ep_t ep_addr_in = ep_in_addr_get(p_inst);
+
+ NRF_DRV_USBD_TRANSFER_IN(resp, p_buff, size);
+ ret_code_t ret = app_usbd_ep_transfer(ep_addr_in, &resp);
+ if (ret == NRF_SUCCESS)
+ {
+ p_msc_ctx->state = state;
+ }
+ return ret;
+}
+
+
+/**
+ * @brief MSC reset request handler @ref APP_USBD_MSC_REQ_BULK_RESET
+ *
+ * @param[in] p_inst Generic class instance
+ *
+ * */
+static void bulk_ep_reset(app_usbd_class_inst_t const * p_inst)
+{
+ nrf_drv_usbd_ep_t ep_addr_in = ep_in_addr_get(p_inst);
+ nrf_drv_usbd_ep_t ep_addr_out = ep_out_addr_get(p_inst);
+
+ nrf_drv_usbd_ep_abort(ep_addr_in);
+ nrf_drv_usbd_ep_abort(ep_addr_out);
+}
+
+
+/**
+ * @brief OUT transfer trigger
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_buff OUT transfer data buffer
+ * @param[in] size OUT transfer size
+ * @param[in] state Next state transition
+ *
+ * @return Standard error code
+ * */
+static ret_code_t transfer_out_start(app_usbd_class_inst_t const * p_inst,
+ void * p_buff,
+ size_t size,
+ app_usbd_msc_state_t state)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ NRF_LOG_DEBUG("transfer_out_start: p_buff: %p, size: %u", (uint32_t)p_buff, size);
+ nrf_drv_usbd_ep_t ep_addr_out = ep_out_addr_get(p_inst);
+
+ NRF_DRV_USBD_TRANSFER_OUT(resp, p_buff, size);
+ ret_code_t ret = app_usbd_ep_transfer(ep_addr_out, &resp);
+ if (ret == NRF_SUCCESS)
+ {
+ p_msc_ctx->state = state;
+ }
+ return ret;
+}
+
+
+/**
+ * @brief Generic function to stall communication endpoints and mark error state
+ *
+ * Function used internally to stall all communication endpoints and mark current state.
+ *
+ * @param p_inst Generic class instance
+ * @param state State to set
+ */
+static void status_generic_error_stall(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_state_t state)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ nrf_drv_usbd_ep_t ep_in = ep_in_addr_get(p_inst);
+ nrf_drv_usbd_ep_t ep_out = ep_out_addr_get(p_inst);
+
+ nrf_drv_usbd_ep_stall(ep_in);
+ nrf_drv_usbd_ep_stall(ep_out);
+ nrf_drv_usbd_ep_abort(ep_in);
+ nrf_drv_usbd_ep_abort(ep_out);
+
+ p_msc_ctx->state = state;
+}
+
+
+/**
+ * @brief Start status stage of unsupported SCSI command
+ *
+ * @param[in,out] p_inst Generic class instance
+ *
+ * @return Standard error code
+ *
+ * @sa status_generic_error_stall
+ */
+static ret_code_t status_unsupported_start(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+ bool data_stage = uint32_decode(p_msc_ctx->cbw.datlen) != 0;
+
+ if (!data_stage)
+ {
+ /* Try to transfer the response now */
+ ret_code_t ret;
+ ret = csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_FAIL);
+ if (ret == NRF_SUCCESS)
+ {
+ return ret;
+ }
+ }
+
+ /* Cannot transfer failed response in current command - stall the endpoints and postpone the answer */
+ status_generic_error_stall(p_inst, APP_USBD_MSC_STATE_UNSUPPORTED);
+ if (data_stage)
+ {
+ if (!(p_msc_ctx->cbw.flags & APP_USBD_MSC_CBW_DIRECTION_IN))
+ {
+ nrf_drv_usbd_transfer_out_drop(ep_out_addr_get(p_inst));
+ }
+ /* Unsupported command so we did not process any data - mark it in current residue value */
+ p_msc_ctx->current.residue = uint32_decode(p_msc_ctx->cbw.datlen);
+ }
+ return NRF_SUCCESS;
+}
+
+
+/**
+ * @brief Start status stage of CBW invalid
+ *
+ * @param[in,out] p_inst Generic class instance
+ *
+ * @sa status_generic_error_stall
+ */
+static void status_cbwinvalid_start(app_usbd_class_inst_t const * p_inst)
+{
+ status_generic_error_stall(p_inst, APP_USBD_MSC_STATE_CBW_INVALID);
+}
+
+
+/**
+ * @brief Start status stage of internal device error
+ *
+ * Kind of error that requires bulk reset but does not stall endpoint permanently - the correct
+ * answer is possible.
+ *
+ * @param[in] p_inst Generic class instance
+ *
+ * @sa status_generic_error_stall
+ */
+static void status_deverror_start(app_usbd_class_inst_t const * p_inst)
+{
+ status_generic_error_stall(p_inst, APP_USBD_MSC_STATE_DEVICE_ERROR);
+}
+
+
+/**
+ * @brief Internal SETUP standard IN request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_std_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ /* Only Get Descriptor standard IN request is supported by MSC class */
+ if ((app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQREC_INTERFACE)
+ &&
+ (p_setup_ev->setup.bmRequest == APP_USBD_SETUP_STDREQ_GET_DESCRIPTOR))
+ {
+ size_t dsc_len = 0;
+ size_t max_size;
+
+ uint8_t * p_trans_buff = app_usbd_core_setup_transfer_buff_get(&max_size);
+
+ /* Try to find descriptor in class internals*/
+ ret_code_t ret = app_usbd_class_descriptor_find(
+ p_inst,
+ p_setup_ev->setup.wValue.hb,
+ p_setup_ev->setup.wValue.lb,
+ p_trans_buff,
+ &dsc_len);
+
+ if (ret != NRF_ERROR_NOT_FOUND)
+ {
+ ASSERT(dsc_len < NRF_DRV_USBD_EPSIZE);
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_trans_buff, dsc_len);
+ }
+ }
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Internal SETUP standard OUT request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ * @retval NRF_ERROR_FORBIDDEN if endpoint stall cannot be cleared because of internal state
+ */
+static ret_code_t setup_req_std_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ app_usbd_setup_reqrec_t req_rec = app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType);
+
+ if ((req_rec == APP_USBD_SETUP_REQREC_ENDPOINT) &&
+ (p_setup_ev->setup.bmRequest == APP_USBD_SETUP_STDREQ_CLEAR_FEATURE) &&
+ (p_setup_ev->setup.wValue.w == APP_USBD_SETUP_STDFEATURE_ENDPOINT_HALT))
+ {
+ if (p_msc_ctx->state == APP_USBD_MSC_STATE_CBW_INVALID)
+ {
+ return NRF_ERROR_FORBIDDEN;
+ }
+ ret_code_t ret = NRF_SUCCESS;
+ /* Clearing endpoint here. It is done normally inside app_usbd, but we are overwritting this functionality */
+ nrf_drv_usbd_ep_t ep_addr = (nrf_drv_usbd_ep_t)(p_setup_ev->setup.wIndex.lb);
+ nrf_drv_usbd_ep_dtoggle_clear(ep_addr);
+ nrf_drv_usbd_ep_stall_clear(ep_addr);
+ if (NRF_USBD_EPIN_CHECK(ep_addr))
+ {
+ switch (p_msc_ctx->state)
+ {
+ case APP_USBD_MSC_STATE_UNSUPPORTED:
+ {
+ nrf_drv_usbd_ep_stall_clear(ep_out_addr_get(p_inst));
+ /*Unsupported command handle: status stage*/
+ ret = csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_FAIL);
+ if (ret != NRF_SUCCESS)
+ {
+ NRF_LOG_ERROR("Unexpected csw_wait_start on ep clear: %d", ret);
+ }
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_DEVICE_ERROR:
+ {
+ nrf_drv_usbd_ep_stall_clear(ep_out_addr_get(p_inst));
+ /*Unsupported command handle: status stage*/
+ ret = csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PE);
+ if (ret != NRF_SUCCESS)
+ {
+ NRF_LOG_ERROR("Unexpected csw_wait_start on ep clear: %d", ret);
+ }
+ break;
+ }
+
+ default:
+ break;
+ }
+ }
+ return ret;
+ }
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Internal SETUP class IN request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_class_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_MSC_REQ_GET_MAX_LUN:
+ {
+
+ if (p_setup_ev->setup.wValue.w != 0)
+ {
+ break;
+ }
+
+ if (p_setup_ev->setup.wLength.w != 1)
+ {
+ break;
+ }
+
+ size_t tx_size;
+ uint16_t * p_tx_buff = app_usbd_core_setup_transfer_buff_get(&tx_size);
+ ASSERT(p_msc->specific.inst.block_devs_count != 0);
+ p_tx_buff[0] = p_msc->specific.inst.block_devs_count - 1;
+
+ ret_code_t ret = cbw_wait_start(p_inst);
+ UNUSED_VARIABLE(ret);
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_tx_buff, sizeof(uint8_t));
+ }
+
+ default:
+ break;
+
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Internal SETUP class OUT request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_class_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_MSC_REQ_BULK_RESET:
+ {
+ if (p_setup_ev->setup.wValue.w != 0)
+ {
+ break;
+ }
+
+ if (p_setup_ev->setup.wLength.w != 0)
+ {
+ break;
+ }
+
+ /*
+ * Reset internal state to be ready for next CBW
+ */
+ NRF_LOG_DEBUG("bulk ep reset");
+ bulk_ep_reset(p_inst);
+
+ if (p_msc_ctx->state != APP_USBD_MSC_STATE_CBW)
+ {
+ ret_code_t ret = cbw_wait_start(p_inst);
+ UNUSED_VARIABLE(ret);
+ }
+
+ return NRF_SUCCESS;
+ }
+
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Control endpoint handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_setup_ev != NULL);
+
+ if (app_usbd_setup_req_dir(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQDIR_IN)
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_in(p_inst, p_setup_ev);
+
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_in(p_inst, p_setup_ev);
+
+ default:
+ break;
+ }
+ }
+ else /* APP_USBD_SETUP_REQDIR_OUT */
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_out(p_inst, p_setup_ev);
+
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_out(p_inst, p_setup_ev);
+
+ default:
+ break;
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+
+/**
+ * @brief Handle read6/read10 command data stage
+ *
+ * @param[in] p_inst Generic class instance
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t state_data_in_handle(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ ret_code_t ret = NRF_SUCCESS;
+
+ p_msc_ctx->current.trans_in_progress = false;
+ APP_USBD_MSC_REQ_BUSY_CLR(p_msc_ctx->current.req_busy_mask, p_msc_ctx->current.trans_req_id);
+
+ if (p_msc_ctx->current.blk_datasize == 0 && p_msc_ctx->current.req_busy_mask == 0)
+ {
+ p_msc_ctx->current.blk_idx = p_msc_ctx->current.blk_size = 0;
+ ret = csw_wait_start(p_inst, p_msc_ctx->current.csw_status);
+ return ret;
+ }
+
+ ASSERT(p_msc_ctx->current.blk_size != 0);
+
+ if (p_msc_ctx->current.req_busy_mask == 0)
+ {
+ nrf_block_dev_t const * p_blkd =
+ p_msc->specific.inst.pp_block_devs[p_msc_ctx->current.lun];
+
+ /*Trigger new block read request*/
+ p_msc_ctx->current.workbuff_pos ^= p_msc->specific.inst.block_buff_size;
+ uint32_t req_pos = p_msc_ctx->current.workbuff_pos != 0 ? 1 : 0;
+ APP_USBD_MSC_REQ_BUSY_SET(p_msc_ctx->current.req_busy_mask, req_pos);
+
+ NRF_BLOCK_DEV_REQUEST(req,
+ p_msc_ctx->current.blk_idx,
+ p_msc_ctx->current.blk_count,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff +
+ p_msc_ctx->current.workbuff_pos));
+
+ NRF_LOG_DEBUG("nrf_blk_dev_read_req 3: id: %u, count: %u, left: %u, ptr: %p",
+ req.blk_id,
+ req.blk_count,
+ p_msc_ctx->current.blk_datasize,
+ (uint32_t)req.p_buff);
+
+ ret = nrf_blk_dev_read_req(p_blkd, &req);
+ NRF_LOG_DEBUG("nrf_blk_dev_read_req 3: ret: %u", ret);
+ return ret;
+ }
+
+ uint32_t blk_size = p_msc_ctx->current.blk_size;
+ p_msc_ctx->current.trans_req_id ^= 1;
+
+ nrf_block_req_t * p_req = &p_msc_ctx->current.req;
+ if (p_req->p_buff == NULL)
+ {
+ p_msc_ctx->current.trans_req_id ^= 1;
+ return NRF_SUCCESS;
+ }
+
+ ret = transfer_in_start(p_inst,
+ p_req->p_buff,
+ p_req->blk_count * blk_size,
+ APP_USBD_MSC_STATE_DATA_IN);
+
+ if (ret == NRF_SUCCESS)
+ {
+ /*Clear processed block request.*/
+ memset(p_req, 0, sizeof(nrf_block_req_t));
+ p_msc_ctx->current.trans_in_progress = true;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief Endpoint IN event handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t endpoint_in_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ NRF_LOG_DEBUG("state: %d, ep in event, status: %d",
+ p_msc_ctx->state,
+ p_event->drv_evt.data.eptransfer.status);
+
+ if (p_event->drv_evt.data.eptransfer.status != NRF_USBD_EP_OK)
+ {
+ return NRF_SUCCESS;
+ }
+
+ ret_code_t ret = NRF_SUCCESS;
+
+ switch (p_msc_ctx->state)
+ {
+ case APP_USBD_MSC_STATE_CMD_IN:
+ {
+ ret = csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_DATA_IN:
+ {
+ ret = state_data_in_handle(p_inst);
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_CSW:
+ {
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_DATA_OUT:
+ {
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_UNSUPPORTED:
+ {
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ default:
+ {
+ ret = NRF_ERROR_INTERNAL;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief Helper function to calculate next block transfer block count
+ *
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ *
+ * @return Blocks to transfer
+ * */
+static uint32_t next_transfer_blkcnt_calc(app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ uint32_t blkcnt = p_msc->specific.inst.block_buff_size / p_msc_ctx->current.blk_size;
+
+ if (blkcnt > (p_msc_ctx->current.blk_datasize / p_msc_ctx->current.blk_size))
+ {
+ blkcnt = p_msc_ctx->current.blk_datasize / p_msc_ctx->current.blk_size;
+ }
+
+ return blkcnt;
+}
+
+
+/**
+ * @brief Helper function to calculate next transfer size
+ *
+ * @param[in] p_msc_ctx MSC context
+ *
+ * @return Blocks to transfer
+ * */
+static uint32_t next_transfer_size_calc(app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ uint32_t blk_cnt = p_msc_ctx->current.blk_count;
+ uint32_t blk_size = p_msc_ctx->current.blk_size;
+
+ return p_msc_ctx->current.blk_datasize > blk_size * blk_cnt ?
+ blk_size * blk_cnt : p_msc_ctx->current.blk_datasize;
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_TESTUNITREADY handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_testunitready(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: TESTUNITREADY");
+ if (uint32_decode(p_msc_ctx->cbw.datlen) != 0)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.cdb_length != APP_USBD_SCSI_CMD_TESTUNITREADY_LEN)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_REQUESTSENSE handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_requestsense(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: REQUESTSENSE");
+ app_usbd_scsi_cmd_requestsense_t const * p_reqs = (const void *)p_msc_ctx->cbw.cdb;
+ UNUSED_VARIABLE(p_reqs);
+
+ if ((p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_requestsense_t)))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (uint32_decode(p_msc_ctx->cbw.datlen) > sizeof(app_usbd_scsi_cmd_requestsense_resp_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ p_msc_ctx->resp_len = uint32_decode(p_msc_ctx->cbw.datlen);
+
+ if (p_msc_ctx->resp_len == 0)
+ {
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+ }
+
+ memset(&p_msc_ctx->scsi_resp, 0, sizeof(app_usbd_scsi_cmd_requestsense_resp_t));
+ p_msc_ctx->scsi_resp.requestsense.code = APP_USBD_SCSI_CMD_REQSENSE_CODE_VALID |
+ APP_USBD_SCSI_CMD_REQSENSE_CODE_CURRENT;
+
+ p_msc_ctx->scsi_resp.requestsense.len = sizeof(app_usbd_scsi_cmd_requestsense_resp_t) -
+ offsetof(app_usbd_scsi_cmd_requestsense_resp_t, len);
+
+ return transfer_in_start(p_inst,
+ &p_msc_ctx->scsi_resp,
+ p_msc_ctx->resp_len,
+ APP_USBD_MSC_STATE_CMD_IN);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_FORMAT_UNIT handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_formatunit(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: FORMAT_UNIT");
+ return status_unsupported_start(p_inst);
+}
+
+
+static ret_code_t cmd_read_start(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ nrf_block_dev_t const * p_blkd = p_msc->specific.inst.pp_block_devs[p_msc_ctx->cbw.lun];
+
+ p_msc_ctx->current.trans_in_progress = false;
+ p_msc_ctx->current.req_busy_mask = 0;
+ p_msc_ctx->current.workbuff_pos = 0;
+
+ APP_USBD_MSC_REQ_BUSY_SET(p_msc_ctx->current.req_busy_mask, 0);
+ NRF_BLOCK_DEV_REQUEST(req,
+ p_msc_ctx->current.blk_idx,
+ p_msc_ctx->current.blk_count,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff +
+ p_msc_ctx->current.workbuff_pos));
+
+ NRF_LOG_DEBUG("cmd_read_start");
+ NRF_LOG_DEBUG("nrf_blk_dev_read_req 1: id: %u, count: %u, left: %u, ptr: %p",
+ req.blk_id,
+ req.blk_count,
+ p_msc_ctx->current.blk_datasize,
+ (uint32_t)req.p_buff);
+
+ ret_code_t ret = nrf_blk_dev_read_req(p_blkd, &req);
+ NRF_LOG_DEBUG("nrf_blk_dev_read_req 1: ret: %u", ret);
+
+ return ret;
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_READ6 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_read6(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: READ6");
+ app_usbd_scsi_cmd_read6_t const * p_read6 = (const void *)p_msc_ctx->cbw.cdb;
+ if (p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_read6_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ nrf_block_dev_t const * p_blkd = p_msc->specific.inst.pp_block_devs[p_msc_ctx->cbw.lun];
+
+ p_msc_ctx->current.lun = p_msc_ctx->cbw.lun;
+ p_msc_ctx->current.blk_idx = ((p_read6->mslba & 0x1F) << 16) |
+ uint16_big_decode(p_read6->lslba);
+ p_msc_ctx->current.blk_datasize = uint32_decode(p_msc_ctx->cbw.datlen);
+ p_msc_ctx->current.blk_size = nrf_blk_dev_geometry(p_blkd)->blk_size;
+ p_msc_ctx->current.blk_count = next_transfer_blkcnt_calc(p_msc, p_msc_ctx);
+
+ if (p_msc_ctx->current.blk_datasize > p_msc_ctx->current.blk_size * p_read6->xfrlen)
+ {
+ p_msc_ctx->current.residue = p_msc_ctx->current.blk_datasize -
+ p_msc_ctx->current.blk_size * p_read6->xfrlen;
+ }
+
+ return cmd_read_start(p_inst, p_msc, p_msc_ctx);
+}
+
+
+static ret_code_t cmd_write_start(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("cmd_write_start");
+ ret_code_t ret = transfer_out_start(p_inst,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff +
+ p_msc_ctx->current.workbuff_pos),
+ next_transfer_size_calc(p_msc_ctx),
+ APP_USBD_MSC_STATE_DATA_OUT);
+
+ if (ret == NRF_SUCCESS)
+ {
+ p_msc_ctx->current.trans_req_id = 0;
+ APP_USBD_MSC_REQ_BUSY_SET(p_msc_ctx->current.req_busy_mask,
+ p_msc_ctx->current.trans_req_id);
+ p_msc_ctx->current.workbuff_pos ^= p_msc->specific.inst.block_buff_size;
+ p_msc_ctx->current.trans_in_progress = true;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_WRITE6 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_write6(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: WRITE6");
+ app_usbd_scsi_cmd_write6_t const * p_write6 = (const void *)p_msc_ctx->cbw.cdb;
+ if (p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_write6_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ nrf_block_dev_t const * p_blkd = p_msc->specific.inst.pp_block_devs[p_msc_ctx->cbw.lun];
+
+ p_msc_ctx->current.lun = p_msc_ctx->cbw.lun;
+ p_msc_ctx->current.blk_idx = (p_write6->mslba & 0x1F << 16) |
+ uint16_big_decode(p_write6->lslba);
+ p_msc_ctx->current.blk_datasize = uint32_decode(p_msc_ctx->cbw.datlen);
+ p_msc_ctx->current.blk_size = nrf_blk_dev_geometry(p_blkd)->blk_size;
+ p_msc_ctx->current.blk_count = next_transfer_blkcnt_calc(p_msc, p_msc_ctx);
+
+ if (p_msc_ctx->current.blk_datasize > p_msc_ctx->current.blk_size * p_write6->xfrlen)
+ {
+ p_msc_ctx->current.residue = p_msc_ctx->current.blk_datasize -
+ p_msc_ctx->current.blk_size * p_write6->xfrlen;
+ }
+
+ return cmd_write_start(p_inst, p_msc, p_msc_ctx);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_INQUIRY handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_inquiry(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: INQUIRY");
+ app_usbd_scsi_cmd_inquiry_t const * p_inq = (const void *)p_msc_ctx->cbw.cdb;
+ if (p_inq->pagecode != 0)
+ {
+ NRF_LOG_WARNING("unsupported pagecode");
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ NRF_LOG_WARNING("unsupported LUN");
+ return status_unsupported_start(p_inst);
+ }
+
+ if (uint32_decode(p_msc_ctx->cbw.datlen) > sizeof(app_usbd_scsi_cmd_inquiry_resp_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ p_msc_ctx->resp_len = uint32_decode(p_msc_ctx->cbw.datlen);
+
+ if (p_msc_ctx->resp_len == 0)
+ {
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+ }
+
+
+ p_msc_ctx->scsi_resp.inquiry.qualtype = APP_USBD_MSC_SCSI_INQ_QUAL_CONNECTED |
+ APP_USBD_MSC_SCSI_INQ_TYPE_DIR_ACCESS;
+ p_msc_ctx->scsi_resp.inquiry.flags1 = APP_USBD_MSC_SCSI_INQ_FLAG1_RMB;
+ p_msc_ctx->scsi_resp.inquiry.version = APP_USBD_SCSI_INQ_VER_SPC4;
+ p_msc_ctx->scsi_resp.inquiry.flags2 = APP_USBD_MSC_SCSI_INQ_FLAG2_RSP_SPC2 |
+ APP_USBD_MSC_SCSI_INQ_FLAG2_HISUP;
+ p_msc_ctx->scsi_resp.inquiry.len = sizeof(app_usbd_scsi_cmd_inquiry_resp_t) -
+ offsetof(app_usbd_scsi_cmd_inquiry_resp_t, len);
+
+ nrf_block_dev_t const * p_blkd =
+ p_msc->specific.inst.pp_block_devs[p_msc_ctx->cbw.lun];
+ nrf_block_dev_info_strings_t * p_strings = NULL;
+ UNUSED_RETURN_VALUE(nrf_blk_dev_ioctl(p_blkd,
+ NRF_BLOCK_DEV_IOCTL_REQ_INFO_STRINGS,
+ &p_strings));
+
+ if (p_strings)
+ {
+ UNUSED_RETURN_VALUE(strncpy((char *)p_msc_ctx->scsi_resp.inquiry.vendorid,
+ p_strings->p_vendor,
+ sizeof(p_msc_ctx->scsi_resp.inquiry.vendorid)));
+
+ UNUSED_RETURN_VALUE(strncpy((char *)p_msc_ctx->scsi_resp.inquiry.productid,
+ p_strings->p_product,
+ sizeof(p_msc_ctx->scsi_resp.inquiry.productid)));
+
+ UNUSED_RETURN_VALUE(strncpy((char *)p_msc_ctx->scsi_resp.inquiry.revision,
+ p_strings->p_revision,
+ sizeof(p_msc_ctx->scsi_resp.inquiry.revision)));
+ }
+ else
+ {
+ memset(p_msc_ctx->scsi_resp.inquiry.vendorid,
+ 0,
+ sizeof(p_msc_ctx->scsi_resp.inquiry.vendorid));
+ memset(p_msc_ctx->scsi_resp.inquiry.productid,
+ 0,
+ sizeof(p_msc_ctx->scsi_resp.inquiry.productid));
+ memset(p_msc_ctx->scsi_resp.inquiry.revision,
+ 0,
+ sizeof(p_msc_ctx->scsi_resp.inquiry.revision));
+ }
+
+ return transfer_in_start(p_inst,
+ &p_msc_ctx->scsi_resp,
+ p_msc_ctx->resp_len,
+ APP_USBD_MSC_STATE_CMD_IN);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_MODESELECT6 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_modeselect6(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: MODESELECT6");
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_MODESENSE6 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_modesense6(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: MODESENSE6");
+ app_usbd_scsi_cmd_modesense6_t const * p_sense6 = (const void *)p_msc_ctx->cbw.cdb;
+ UNUSED_VARIABLE(p_sense6);
+ if (p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_modesense6_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (uint32_decode(p_msc_ctx->cbw.datlen) > sizeof(app_usbd_scsi_cmd_modesense6_resp_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ p_msc_ctx->resp_len = uint32_decode(p_msc_ctx->cbw.datlen);
+
+ app_usbd_scsi_cmd_modesense6_resp_t * p_resp = &p_msc_ctx->scsi_resp.modesense6;
+ p_resp->mdlen = sizeof(app_usbd_scsi_cmd_modesense6_resp_t) - 1;
+ p_resp->type = 0;
+ p_resp->param = 0;
+ p_resp->bdlen = 0;
+
+ return transfer_in_start(p_inst,
+ &p_msc_ctx->scsi_resp,
+ p_msc_ctx->resp_len,
+ APP_USBD_MSC_STATE_CMD_IN);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_STARTSTOPUNIT handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_startstopunit(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: STARTSTOPUNIT");
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_SENDDIAGNOSTIC handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_senddiagnostic(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: SENDDIAGNOSTIC");
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_PREVENTMEDIAREMOVAL handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_preventremoval(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: PREVENTMEDIAREMOVAL");
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_READCAPACITY10 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_readcapacity10(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: READCAPACITY10");
+
+ app_usbd_scsi_cmd_readcapacity10_t const * p_cap10 = (const void *)p_msc_ctx->cbw.cdb;
+ UNUSED_VARIABLE(p_cap10);
+ if (p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_readcapacity10_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (uint32_decode(p_msc_ctx->cbw.datlen) > sizeof(app_usbd_scsi_cmd_readcapacity10_resp_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ p_msc_ctx->resp_len = uint32_decode(p_msc_ctx->cbw.datlen);
+
+ if (p_msc_ctx->resp_len == 0)
+ {
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+ }
+
+ nrf_block_dev_t const * p_blkd =
+ p_msc->specific.inst.pp_block_devs[p_msc_ctx->cbw.lun];
+ nrf_block_dev_geometry_t const * p_geometry = nrf_blk_dev_geometry(p_blkd);
+
+ (void)uint32_big_encode(p_geometry->blk_count - 1, p_msc_ctx->scsi_resp.readcapacity10.lba);
+ (void)uint32_big_encode(p_geometry->blk_size, p_msc_ctx->scsi_resp.readcapacity10.blklen);
+
+ return transfer_in_start(p_inst,
+ &p_msc_ctx->scsi_resp,
+ p_msc_ctx->resp_len,
+ APP_USBD_MSC_STATE_CMD_IN);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_READ10 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_read10(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: READ10");
+ app_usbd_scsi_cmd_read10_t const * p_read10 = (const void *)p_msc_ctx->cbw.cdb;
+ if (p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_read10_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (uint32_decode(p_msc_ctx->cbw.datlen) == 0)
+ {
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_FAIL);
+ }
+
+ if ((p_msc_ctx->cbw.flags & APP_USBD_MSC_CBW_DIRECTION_IN) == 0)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ nrf_block_dev_t const * p_blkd = p_msc->specific.inst.pp_block_devs[p_msc_ctx->cbw.lun];
+
+ p_msc_ctx->current.lun = p_msc_ctx->cbw.lun;
+ p_msc_ctx->current.blk_idx = uint32_big_decode(p_read10->lba);
+ p_msc_ctx->current.blk_datasize = uint32_decode(p_msc_ctx->cbw.datlen);
+ p_msc_ctx->current.blk_size = nrf_blk_dev_geometry(p_blkd)->blk_size;
+ p_msc_ctx->current.blk_count = next_transfer_blkcnt_calc(p_msc, p_msc_ctx);
+
+ uint16_t blocks = uint16_big_decode(p_read10->xfrlen);
+ p_msc_ctx->current.csw_status =
+ uint32_decode(p_msc_ctx->cbw.datlen) < p_msc_ctx->current.blk_size * blocks ?
+ APP_USBD_MSC_CSW_STATUS_FAIL : APP_USBD_MSC_CSW_STATUS_PASS;
+
+ if (p_msc_ctx->current.blk_datasize > p_msc_ctx->current.blk_size * blocks)
+ {
+ p_msc_ctx->current.residue = p_msc_ctx->current.blk_datasize -
+ p_msc_ctx->current.blk_size * blocks;
+ }
+
+ return cmd_read_start(p_inst, p_msc, p_msc_ctx);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_WRITE10 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_write10(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: WRITE10");
+ app_usbd_scsi_cmd_write10_t const * p_write10 = (const void *)p_msc_ctx->cbw.cdb;
+ if (p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_write10_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (uint32_decode(p_msc_ctx->cbw.datlen) == 0)
+ {
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_FAIL);
+ }
+
+
+ if ((p_msc_ctx->cbw.flags & APP_USBD_MSC_CBW_DIRECTION_IN) != 0)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ nrf_block_dev_t const * p_blkd = p_msc->specific.inst.pp_block_devs[p_msc_ctx->cbw.lun];
+
+ p_msc_ctx->current.lun = p_msc_ctx->cbw.lun;
+ p_msc_ctx->current.blk_idx = uint32_big_decode(p_write10->lba);
+ p_msc_ctx->current.blk_datasize = uint32_decode(p_msc_ctx->cbw.datlen);
+ p_msc_ctx->current.blk_size = nrf_blk_dev_geometry(p_blkd)->blk_size;
+ p_msc_ctx->current.blk_count = next_transfer_blkcnt_calc(p_msc, p_msc_ctx);
+
+ uint16_t blocks = uint16_big_decode(p_write10->xfrlen);
+ p_msc_ctx->current.csw_status =
+ uint32_decode(p_msc_ctx->cbw.datlen) < p_msc_ctx->current.blk_size * blocks ?
+ APP_USBD_MSC_CSW_STATUS_FAIL : APP_USBD_MSC_CSW_STATUS_PASS;
+
+ if (p_msc_ctx->current.blk_datasize > p_msc_ctx->current.blk_size * blocks)
+ {
+ p_msc_ctx->current.residue = p_msc_ctx->current.blk_datasize -
+ p_msc_ctx->current.blk_size * blocks;
+ }
+
+ return cmd_write_start(p_inst, p_msc, p_msc_ctx);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_MODESELECT10 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_modeselect10(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: MODESELECT10");
+ return csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+}
+
+
+/**
+ * @brief SCSI Command: @ref APP_USBD_SCSI_CMD_MODESENSE10 handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_msc MSC instance
+ * @param[in] p_msc_ctx MSC context
+ * @return Standard error code
+ * */
+static ret_code_t cmd_modesense10(app_usbd_class_inst_t const * p_inst,
+ app_usbd_msc_t const * p_msc,
+ app_usbd_msc_ctx_t * p_msc_ctx)
+{
+ NRF_LOG_DEBUG("CMD: MODESENSE10");
+ app_usbd_scsi_cmd_modesense10_t const * p_sense10 = (const void *)p_msc_ctx->cbw.cdb;
+ UNUSED_VARIABLE(p_sense10);
+ if (p_msc_ctx->cbw.cdb_length < sizeof(app_usbd_scsi_cmd_modesense10_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (p_msc_ctx->cbw.lun >= p_msc->specific.inst.block_devs_count)
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ if (uint32_decode(p_msc_ctx->cbw.datlen) > sizeof(app_usbd_scsi_cmd_modesense6_resp_t))
+ {
+ return status_unsupported_start(p_inst);
+ }
+
+ p_msc_ctx->resp_len = uint32_decode(p_msc_ctx->cbw.datlen);
+
+ app_usbd_scsi_cmd_modesense10_resp_t * p_resp = &p_msc_ctx->scsi_resp.modesense10;
+
+ memset(p_resp, 0, sizeof(app_usbd_scsi_cmd_modesense10_resp_t));
+ uint16_t len = sizeof(app_usbd_scsi_cmd_modesense10_resp_t) - sizeof(p_resp->mdlen);
+ p_resp->mdlen[1] = len & 0xff;
+ p_resp->mdlen[0] = (len >> 8) & 0xff;
+
+ return transfer_in_start(p_inst,
+ &p_msc_ctx->scsi_resp,
+ p_msc_ctx->resp_len,
+ APP_USBD_MSC_STATE_CMD_IN);
+}
+
+
+/**
+ * @brief Get the size of the last OUT transfer
+ *
+ * @param p_inst Generic class instance
+ *
+ * @return Number of received bytes or 0 if none.
+ */
+static size_t get_last_out_size(app_usbd_class_inst_t const * p_inst)
+{
+ nrf_drv_usbd_ep_t ep = ep_out_addr_get(p_inst);
+ size_t size;
+ ret_code_t ret = nrf_drv_usbd_ep_status_get(ep, &size);
+
+ if (ret != NRF_SUCCESS)
+ {
+ size = 0;
+ }
+
+ return size;
+}
+
+
+/**
+ * @brief SCSI Command Block Wrapper handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @return Standard error code
+ * */
+static ret_code_t state_cbw(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ memset(&p_msc_ctx->current, 0, sizeof(p_msc_ctx->current));
+
+ /*Verify the transfer size*/
+ if (get_last_out_size(p_inst) != sizeof(app_usbd_msc_cbw_t))
+ {
+ NRF_LOG_DEBUG("CMD: size error: %u", get_last_out_size(p_inst));
+ status_cbwinvalid_start(p_inst);
+ return NRF_SUCCESS;
+ }
+
+ /*Verify CBW signature*/
+ if (memcmp(p_msc_ctx->cbw.signature,
+ APP_USBD_MSC_CBW_SIGNATURE,
+ sizeof(p_msc_ctx->cbw.signature)) != 0)
+ {
+ NRF_LOG_DEBUG("CMD: header error: 0x%02x%02x%02x%02x",
+ p_msc_ctx->cbw.signature[0], p_msc_ctx->cbw.signature[1],
+ p_msc_ctx->cbw.signature[2], p_msc_ctx->cbw.signature[3]);
+
+ status_cbwinvalid_start(p_inst);
+ return NRF_SUCCESS;
+ }
+
+ ret_code_t ret = NRF_SUCCESS;
+
+ switch (p_msc_ctx->cbw.cdb[0])
+ {
+ case APP_USBD_SCSI_CMD_TESTUNITREADY:
+ ret = cmd_testunitready(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_REQUESTSENSE:
+ ret = cmd_requestsense(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_FORMAT_UNIT:
+ ret = cmd_formatunit(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_READ6:
+ ret = cmd_read6(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_WRITE6:
+ ret = cmd_write6(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_INQUIRY:
+ ret = cmd_inquiry(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_MODESELECT6:
+ ret = cmd_modeselect6(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_MODESENSE6:
+ ret = cmd_modesense6(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_STARTSTOPUNIT:
+ ret = cmd_startstopunit(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_SENDDIAGNOSTIC:
+ ret = cmd_senddiagnostic(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_PREVENTMEDIAREMOVAL:
+ ret = cmd_preventremoval(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_READCAPACITY10:
+ ret = cmd_readcapacity10(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_READ10:
+ ret = cmd_read10(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_WRITE10:
+ ret = cmd_write10(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_MODESELECT10:
+ ret = cmd_modeselect10(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ case APP_USBD_SCSI_CMD_MODESENSE10:
+ ret = cmd_modesense10(p_inst, p_msc, p_msc_ctx);
+ break;
+
+ default:
+ NRF_LOG_DEBUG("CMD: UNSUPPORTED");
+ NRF_LOG_HEXDUMP_DEBUG(&(p_msc_ctx->cbw), sizeof(p_msc_ctx->cbw));
+ if (uint32_decode(p_msc_ctx->cbw.datlen) != 0)
+ {
+ ret = status_unsupported_start(p_inst);
+ }
+ else
+ {
+ ret = csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_FAIL);
+ }
+ break;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief Handle write6/write10 command data stage
+ *
+ * @param[in] p_inst Generic class instance
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t state_data_out_handle(app_usbd_class_inst_t const * p_inst)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ ret_code_t ret = NRF_SUCCESS;
+ uint32_t blk_size = p_msc_ctx->current.blk_size;
+
+ NRF_LOG_DEBUG("APP_USBD_MSC_STATE_DATA_OUT");
+
+ p_msc_ctx->current.trans_in_progress = false;
+ if ((p_msc_ctx->current.req_busy_mask != APP_USBD_MSC_REQ_BUSY_FULL_MASK) &&
+ (p_msc_ctx->current.blk_datasize > p_msc_ctx->current.blk_count * blk_size))
+ {
+ size_t size = p_msc_ctx->current.blk_datasize - p_msc_ctx->current.blk_count * blk_size;
+ if (size > p_msc_ctx->current.blk_count * blk_size)
+ {
+ size = p_msc_ctx->current.blk_count * blk_size;
+ }
+
+ if (size)
+ {
+ ret = transfer_out_start(p_inst,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff +
+ p_msc_ctx->current.workbuff_pos),
+ size,
+ APP_USBD_MSC_STATE_DATA_OUT);
+ if (ret == NRF_SUCCESS)
+ {
+ p_msc_ctx->current.trans_req_id ^= 1;
+ APP_USBD_MSC_REQ_BUSY_SET(p_msc_ctx->current.req_busy_mask,
+ p_msc_ctx->current.trans_req_id);
+ p_msc_ctx->current.workbuff_pos ^= p_msc->specific.inst.block_buff_size;
+ p_msc_ctx->current.trans_in_progress = true;
+ }
+ }
+ }
+
+ if (!p_msc_ctx->current.block_req_in_progress)
+ {
+ nrf_block_dev_t const * p_blkd =
+ p_msc->specific.inst.pp_block_devs[p_msc_ctx->current.lun];
+
+ size_t pos = p_msc_ctx->current.workbuff_pos;
+ if (p_msc_ctx->current.req_busy_mask != APP_USBD_MSC_REQ_BUSY_FULL_MASK)
+ {
+ pos ^= p_msc->specific.inst.block_buff_size;
+ }
+
+ NRF_BLOCK_DEV_REQUEST(req,
+ p_msc_ctx->current.blk_idx,
+ p_msc_ctx->current.blk_count,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff + pos));
+
+ NRF_LOG_DEBUG("nrf_blk_dev_write_req 1: id: %u, count: %u, left: %u, ptr: %p",
+ req.blk_id,
+ req.blk_count,
+ p_msc_ctx->current.blk_datasize,
+ (uint32_t)req.p_buff);
+
+ p_msc_ctx->current.block_req_in_progress = true;
+ ret = nrf_blk_dev_write_req(p_blkd, &req);
+ NRF_LOG_DEBUG("nrf_blk_dev_write_req 1: ret: %u", ret);
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief Endpoint OUT event handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t endpoint_out_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ NRF_LOG_DEBUG("state: %d, ep out event, status: %d",
+ p_msc_ctx->state,
+ p_event->drv_evt.data.eptransfer.status);
+
+ ret_code_t ret = NRF_SUCCESS;
+ if (p_event->drv_evt.data.eptransfer.status == NRF_USBD_EP_WAITING)
+ {
+ if (p_msc_ctx->state == APP_USBD_MSC_STATE_DATA_OUT)
+ {
+ NRF_LOG_DEBUG("NRF_USBD_EP_WAITING");
+ }
+ else if (p_msc_ctx->state == APP_USBD_MSC_STATE_CSW ||
+ p_msc_ctx->state == APP_USBD_MSC_STATE_IDLE)
+ {
+ ret = cbw_wait_start(p_inst);
+ }
+
+ return ret;
+ }
+ else if (p_event->drv_evt.data.eptransfer.status == NRF_USBD_EP_ABORTED)
+ {
+ p_msc_ctx->state = APP_USBD_MSC_STATE_IDLE;
+ return NRF_SUCCESS;
+ }
+ else if (p_event->drv_evt.data.eptransfer.status == NRF_USBD_EP_OVERLOAD)
+ {
+ NRF_LOG_ERROR("Data overload");
+
+ switch (p_msc_ctx->state)
+ {
+ case APP_USBD_MSC_STATE_DATA_OUT:
+ {
+ status_deverror_start(p_inst);
+ }
+
+ /* Default action is the same like CBW - stall totally until bulk reset */
+ case APP_USBD_MSC_STATE_CBW:
+ default:
+ {
+ status_cbwinvalid_start(p_inst);
+ }
+ }
+ return NRF_SUCCESS;
+ }
+ else /*NRF_USBD_EP_OK*/
+ {
+ switch (p_msc_ctx->state)
+ {
+ case APP_USBD_MSC_STATE_CBW:
+ {
+ ret = state_cbw(p_inst);
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_CMD_OUT:
+ {
+ ret = csw_wait_start(p_inst, APP_USBD_MSC_CSW_STATUS_PASS);
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_DATA_OUT:
+ {
+ CRITICAL_REGION_ENTER();
+ ret = state_data_out_handle(p_inst);
+ CRITICAL_REGION_EXIT();
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_UNSUPPORTED:
+ {
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ case APP_USBD_MSC_STATE_CSW:
+ break;
+
+ default:
+ {
+ ASSERT(0);
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+ }
+ }
+
+ NRF_LOG_DEBUG("Ep proc status: %d", ret);
+ return ret;
+}
+
+
+/**
+ * @brief @ref app_usbd_class_methods_t::event_handler
+ */
+static ret_code_t msc_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_event != NULL);
+
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ UNUSED_VARIABLE(p_msc);
+ UNUSED_VARIABLE(p_msc_ctx);
+
+ ret_code_t ret = NRF_SUCCESS;
+
+ switch (p_event->app_evt.type)
+ {
+ case APP_USBD_EVT_DRV_SOF:
+ break;
+
+ case APP_USBD_EVT_DRV_RESET:
+ break;
+
+ case APP_USBD_EVT_DRV_SETUP:
+ ret = setup_event_handler(p_inst, (app_usbd_setup_evt_t const *)p_event);
+ break;
+
+ case APP_USBD_EVT_DRV_EPTRANSFER:
+ if (NRF_USBD_EPIN_CHECK(p_event->drv_evt.data.eptransfer.ep))
+ {
+ ret = endpoint_in_event_handler(p_inst, p_event);
+ }
+ else
+ {
+ ret = endpoint_out_event_handler(p_inst, p_event);
+ }
+
+ break;
+
+ case APP_USBD_EVT_DRV_SUSPEND:
+ {
+ /*Flush all block devices cache on suspend*/
+
+ for (size_t i = 0; i < p_msc->specific.inst.block_devs_count; ++i)
+ {
+ nrf_block_dev_t const * p_blkd = p_msc->specific.inst.pp_block_devs[i];
+ (void)nrf_blk_dev_ioctl(p_blkd, NRF_BLOCK_DEV_IOCTL_REQ_CACHE_FLUSH, NULL);
+ }
+
+ break;
+ }
+
+ case APP_USBD_EVT_DRV_RESUME:
+ break;
+
+ case APP_USBD_EVT_INST_APPEND:
+ {
+ /*Verify serial number string*/
+ uint16_t const * p_serial_str = app_usbd_string_desc_get(APP_USBD_STRING_ID_SERIAL, 0);
+ if (p_serial_str == NULL)
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ size_t len = app_usbd_string_desc_length(p_serial_str) / sizeof(uint16_t);
+ if (len < APP_USBD_MSC_MINIMAL_SERIAL_STRING_SIZE)
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+
+ for (size_t i = 1; i < len; ++i)
+ {
+ if (isxdigit(p_serial_str[i]) == 0)
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+ }
+
+ break;
+ }
+
+ case APP_USBD_EVT_INST_REMOVE:
+ {
+ break;
+ }
+
+ case APP_USBD_EVT_STARTED:
+ {
+ /*Initialize all block devices*/
+ ASSERT(p_msc->specific.inst.block_devs_count <= 16);
+
+ for (size_t i = 0; i < p_msc->specific.inst.block_devs_count; ++i)
+ {
+ nrf_block_dev_t const * p_blk_dev = p_msc->specific.inst.pp_block_devs[i];
+ ret = nrf_blk_dev_init(p_blk_dev, msc_blockdev_ev_handler, p_msc);
+ if (ret != NRF_SUCCESS)
+ {
+ continue;
+ }
+
+ p_msc_ctx->blk_dev_init_mask |= 1u << i;
+ ASSERT(nrf_blk_dev_geometry(p_blk_dev)->blk_size <=
+ p_msc->specific.inst.block_buff_size);
+ }
+
+ break;
+ }
+
+ case APP_USBD_EVT_STOPPED:
+ {
+ /*Un-initialize all block devices*/
+ ASSERT(p_msc->specific.inst.block_devs_count <= 16);
+ size_t i;
+
+ for (i = 0; i < p_msc->specific.inst.block_devs_count; ++i)
+ {
+ nrf_block_dev_t const * p_blk_dev = p_msc->specific.inst.pp_block_devs[i];
+ ret = nrf_blk_dev_uninit(p_blk_dev);
+ if (ret != NRF_SUCCESS)
+ {
+ continue;
+ }
+
+ p_msc_ctx->blk_dev_init_mask &= ~(1u << i);
+ }
+
+ break;
+ }
+
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief @ref app_usbd_class_methods_t::feed_descriptors
+ */
+
+static bool msc_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static uint8_t ifaces = 0;
+ ifaces = app_usbd_class_iface_count_get(p_inst);
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size);
+
+ static uint8_t i = 0;
+
+ for (i = 0; i < ifaces; i++)
+ {
+ /* INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x09); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType = Interface
+
+ static app_usbd_class_iface_conf_t const * p_cur_iface = NULL;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, i);
+
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_ep_count_get(p_cur_iface)); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_MSC_CLASS); // bInterfaceClass = MSC
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_msc->specific.inst.subclass); // bInterfaceSubclass (Industry Standard Command Block)
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(p_msc->specific.inst.protocol); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+
+ static uint8_t endpoints = 0;
+ endpoints = app_usbd_class_iface_ep_count_get(p_cur_iface);
+
+ static uint8_t j = 0;
+
+ for (j = 0; j < endpoints; j++)
+ {
+ // ENDPOINT DESCRIPTOR
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x07); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_ENDPOINT); // bDescriptorType = Endpoint
+
+ static app_usbd_class_ep_conf_t const * p_cur_ep = NULL;
+ p_cur_ep = app_usbd_class_iface_ep_get(p_cur_iface, j);
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_ep_address_get(p_cur_ep)); // bEndpointAddress
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK); // bmAttributes
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(NRF_DRV_USBD_EPSIZE)); // wMaxPacketSize MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bInterval
+ }
+
+ }
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+const app_usbd_class_methods_t app_usbd_msc_class_methods = {
+ .event_handler = msc_event_handler,
+ .feed_descriptors = msc_feed_descriptors,
+};
+
+
+/**
+ * @brief Block device read done event handler.
+ *
+ * @ref NRF_BLOCK_DEV_EVT_BLK_READ_DONE
+ *
+ * @param p_blk_dev Block device handle
+ * @param p_event Block device event
+ *
+ * */
+static void msc_blockdev_read_done_handler(nrf_block_dev_t const * p_blk_dev,
+ nrf_block_dev_event_t const * p_event)
+{
+ ret_code_t ret;
+
+ app_usbd_class_inst_t const * p_inst = p_event->p_context;
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ uint32_t blk_cnt = p_msc_ctx->current.blk_count;
+ uint32_t blk_size = p_msc_ctx->current.blk_size;
+
+ /*Save actual request*/
+ size_t req_pos = (p_msc_ctx->current.workbuff_pos != 0) ? 1 : 0;
+
+ p_msc_ctx->current.req = *p_event->p_blk_req;
+
+ p_msc_ctx->current.block_req_in_progress = false;
+
+ /*Decrement transfer counter*/
+ p_msc_ctx->current.blk_idx += blk_cnt;
+ if (p_msc_ctx->current.blk_datasize > blk_size * blk_cnt)
+ {
+ p_msc_ctx->current.blk_datasize -= blk_size * blk_cnt;
+ }
+ else
+ {
+ p_msc_ctx->current.blk_datasize = 0;
+ }
+
+ NRF_LOG_DEBUG("read_done_handler: p_buff: %p, size: %u data size: %u req_pos: %u",
+ (uint32_t)p_event->p_blk_req->p_buff,
+ p_event->p_blk_req->blk_count,
+ p_msc_ctx->current.blk_datasize,
+ req_pos);
+
+ /*Calculate next block request size*/
+ p_msc_ctx->current.blk_count = next_transfer_blkcnt_calc(p_msc, p_msc_ctx);
+
+ if (!p_msc_ctx->current.trans_in_progress)
+ {
+ /*Trigger new transfer.*/
+ p_msc_ctx->current.trans_req_id = req_pos;
+ nrf_block_req_t * p_req = &p_msc_ctx->current.req;
+
+ ret = transfer_in_start(p_inst,
+ p_req->p_buff,
+ p_req->blk_count * blk_size,
+ APP_USBD_MSC_STATE_DATA_IN);
+ if (ret != NRF_SUCCESS)
+ {
+ UNUSED_RETURN_VALUE(status_unsupported_start(p_inst));
+ }
+ else
+ {
+ /*Clear processed block request.*/
+ memset(p_req, 0, sizeof(nrf_block_req_t));
+ p_msc_ctx->current.trans_in_progress = true;
+ }
+
+ }
+
+ if (p_msc_ctx->current.req_busy_mask == APP_USBD_MSC_REQ_BUSY_FULL_MASK)
+ {
+ /* No need to perform next block read request. USB transfers need to catch-up
+ * block device readings */
+ return;
+ }
+
+ if (p_msc_ctx->current.blk_count == 0)
+ {
+ /*All data has been read. No need to trigger new block request.*/
+ return;
+ }
+
+ /*Trigger new block read request*/
+ p_msc_ctx->current.workbuff_pos ^= p_msc->specific.inst.block_buff_size;
+ req_pos = p_msc_ctx->current.workbuff_pos != 0 ? 1 : 0;
+
+ APP_USBD_MSC_REQ_BUSY_SET(p_msc_ctx->current.req_busy_mask, req_pos);
+
+ NRF_BLOCK_DEV_REQUEST(req,
+ p_msc_ctx->current.blk_idx,
+ p_msc_ctx->current.blk_count,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff +
+ p_msc_ctx->current.workbuff_pos));
+
+
+ NRF_LOG_DEBUG("nrf_blk_dev_read_req 2: id: %u, count: %u, left: %u, ptr: %p",
+ req.blk_id,
+ req.blk_count,
+ p_msc_ctx->current.blk_datasize,
+ (uint32_t)req.p_buff);
+
+ ret = nrf_blk_dev_read_req(p_blk_dev, &req);
+ NRF_LOG_DEBUG("nrf_blk_dev_read_req 2: ret: %u", ret);
+
+ if (ret != NRF_SUCCESS)
+ {
+ UNUSED_RETURN_VALUE(status_unsupported_start(p_inst));
+ }
+}
+
+
+/**
+ * @brief Block device write done event handler.
+ *
+ * @ref NRF_BLOCK_DEV_EVT_BLK_WRITE_DONE
+ *
+ * @param p_blk_dev Block device handle
+ * @param p_event Block device event
+ *
+ * */
+static void msc_blockdev_write_done_handler(nrf_block_dev_t const * p_blk_dev,
+ nrf_block_dev_event_t const * p_event)
+{
+ app_usbd_class_inst_t const * p_inst = p_event->p_context;
+ app_usbd_msc_t const * p_msc = msc_get(p_inst);
+ app_usbd_msc_ctx_t * p_msc_ctx = msc_ctx_get(p_msc);
+
+ uint32_t blk_cnt = p_msc_ctx->current.blk_count;
+ uint32_t blk_size = p_msc_ctx->current.blk_size;
+
+ /*Save actual request*/
+ size_t req_pos = (p_event->p_blk_req->p_buff == p_msc->specific.inst.p_block_buff) ? 0 : 1;
+
+ p_msc_ctx->current.req = *p_event->p_blk_req;
+
+ APP_USBD_MSC_REQ_BUSY_CLR(p_msc_ctx->current.req_busy_mask, req_pos);
+ p_msc_ctx->current.block_req_in_progress = false;
+
+ p_msc_ctx->current.blk_idx += blk_cnt;
+
+ if (p_msc_ctx->current.blk_datasize > blk_size * blk_cnt)
+ {
+ p_msc_ctx->current.blk_datasize -= blk_size * blk_cnt;
+ }
+ else
+ {
+ p_msc_ctx->current.blk_datasize = 0;
+ }
+
+ NRF_LOG_DEBUG("write_done_handler: p_buff: %p, size: %u data size: %u req_pos: %u",
+ (uint32_t)p_event->p_blk_req->p_buff,
+ p_event->p_blk_req->blk_count,
+ p_msc_ctx->current.blk_datasize,
+ req_pos);
+
+ if (p_msc_ctx->current.blk_datasize == 0)
+ {
+ p_msc_ctx->current.blk_idx = p_msc_ctx->current.blk_size = 0;
+ UNUSED_RETURN_VALUE(csw_wait_start(p_inst, p_msc_ctx->current.csw_status));
+ return;
+ }
+
+ if (p_msc_ctx->current.blk_datasize <= p_msc_ctx->current.blk_count * blk_size)
+ {
+ size_t pos = p_msc_ctx->current.workbuff_pos;
+ if (p_msc_ctx->current.req_busy_mask != APP_USBD_MSC_REQ_BUSY_FULL_MASK)
+ {
+ pos ^= p_msc->specific.inst.block_buff_size;
+ }
+
+ NRF_BLOCK_DEV_REQUEST(req,
+ p_msc_ctx->current.blk_idx,
+ p_msc_ctx->current.blk_count,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff + pos));
+
+ NRF_LOG_DEBUG("nrf_blk_dev_write_req 2: id: %u, count: %u, left: %u, ptr: %p",
+ req.blk_id,
+ req.blk_count,
+ p_msc_ctx->current.blk_datasize,
+ (uint32_t)req.p_buff);
+
+ p_msc_ctx->current.block_req_in_progress = true;
+ ret_code_t ret = nrf_blk_dev_write_req(p_blk_dev, &req);
+ NRF_LOG_DEBUG("nrf_blk_dev_write_req 2: ret: %u", ret);
+
+ if (ret != NRF_SUCCESS)
+ {
+ UNUSED_RETURN_VALUE(status_unsupported_start(p_inst));
+ }
+
+ return;
+ }
+
+ if (!p_msc_ctx->current.trans_in_progress &&
+ (p_msc_ctx->current.blk_datasize > p_msc_ctx->current.blk_count * blk_size))
+ {
+ size_t size = p_msc_ctx->current.blk_datasize - p_msc_ctx->current.blk_count * blk_size;
+ if (size > p_msc_ctx->current.blk_count * blk_size)
+ {
+ size = p_msc_ctx->current.blk_count * blk_size;
+ }
+
+ if (size > 0)
+ {
+ /*Trigger new transfer.*/
+ p_msc_ctx->current.blk_count = next_transfer_blkcnt_calc(p_msc, p_msc_ctx);
+ ret_code_t ret = transfer_out_start(p_inst,
+ ((uint8_t *)p_msc->specific.inst.p_block_buff +
+ p_msc_ctx->current.workbuff_pos),
+ size,
+ APP_USBD_MSC_STATE_DATA_OUT);
+ if (ret == NRF_SUCCESS)
+ {
+ p_msc_ctx->current.trans_req_id ^= 1;
+ APP_USBD_MSC_REQ_BUSY_SET(p_msc_ctx->current.req_busy_mask,
+ p_msc_ctx->current.trans_req_id);
+ p_msc_ctx->current.workbuff_pos ^= p_msc->specific.inst.block_buff_size;
+ p_msc_ctx->current.trans_in_progress = true;
+ }
+ else
+ {
+ UNUSED_RETURN_VALUE(status_unsupported_start(p_inst));
+ }
+ }
+ }
+}
+
+
+/**
+ * @brief Block device event handler.
+ *
+ * Mass storage block device event handler. Need to be pined to all block devices
+ * from initializer list.
+ *
+ * @param p_blk_dev Block device handle
+ * @param p_event Block device event
+ *
+ * */
+static void msc_blockdev_ev_handler(nrf_block_dev_t const * p_blk_dev,
+ nrf_block_dev_event_t const * p_event)
+{
+ switch (p_event->ev_type)
+ {
+ case NRF_BLOCK_DEV_EVT_INIT:
+ break;
+
+ case NRF_BLOCK_DEV_EVT_UNINIT:
+ break;
+
+ case NRF_BLOCK_DEV_EVT_BLK_READ_DONE:
+ CRITICAL_REGION_ENTER();
+ msc_blockdev_read_done_handler(p_blk_dev, p_event);
+ CRITICAL_REGION_EXIT();
+ break;
+
+ case NRF_BLOCK_DEV_EVT_BLK_WRITE_DONE:
+ CRITICAL_REGION_ENTER();
+ msc_blockdev_write_done_handler(p_blk_dev, p_event);
+ CRITICAL_REGION_EXIT();
+ break;
+
+ default:
+ break;
+ }
+}
+
+/** @} */
+
+bool app_usbd_msc_sync(app_usbd_msc_t const * p_msc)
+{
+ bool rc = true;
+ ret_code_t ret = NRF_SUCCESS;
+
+ for (size_t i = 0; i < p_msc->specific.inst.block_devs_count; ++i)
+ {
+ nrf_block_dev_t const * p_blkd = p_msc->specific.inst.pp_block_devs[i];
+ bool flush_in_progress = true;
+
+ ret = nrf_blk_dev_ioctl(p_blkd,
+ NRF_BLOCK_DEV_IOCTL_REQ_CACHE_FLUSH,
+ &flush_in_progress);
+
+ if ((ret != NRF_SUCCESS) || flush_in_progress)
+ {
+ rc = false;
+ }
+ }
+
+ return rc;
+}
+
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_MSC)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.h
new file mode 100644
index 0000000..b7fcb6a
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc.h
@@ -0,0 +1,193 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_MSC_H__
+#define APP_USBD_MSC_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "nrf_block_dev.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_descriptor.h"
+
+#include "app_usbd_msc_types.h"
+#include "app_usbd_msc_desc.h"
+#include "app_usbd_msc_scsi.h"
+#include "app_usbd_msc_internal.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_msc USB MSC class
+ * @ingroup app_usbd
+ *
+ * @brief @tagAPI52840 Module with types, definitions, and API used by the USB MSC class.
+ *
+ * @details References:
+ * - "Universal Serial Bus Mass Storage Class, Specification Overview,"
+ * Revision 1.2, USB Implementer's Forum, June 23, 2003.
+ * - "Universal Serial Bus Mass Storage Class, Bulk-Only Transport,"
+ * Revision 1.0, USB Implementer's Forum, September 31, 1999.
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Mass storage class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_msc_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_TYPEDEF(app_usbd_msc, \
+ APP_USBD_MSC_CONFIG(0, (NRF_DRV_USBD_EPIN1, NRF_DRV_USBD_EPOUT1)), \
+ APP_USBD_MSC_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_MSC_DATA_SPECIFIC_DEC \
+);
+#endif
+
+/*lint -restore*/
+
+
+/*lint -save -e407 */
+
+/**
+ * @brief Events passed to user event handler
+ *
+ * @note Example prototype of user event handler:
+ *
+ * void msc_user_ev_handler(app_usbd_class_inst_t const * p_inst,
+ * app_usbd_msc_user_event_t event);
+ */
+typedef enum app_usbd_msc_user_event_e {
+ APP_USBD_MSC_USER_EVT_NONE, /**< Dummy event to satisfy compilers. */
+} app_usbd_msc_user_event_t;
+
+/*lint -restore*/
+
+/**
+ * @brief Helper macro for defining MSC endpoints
+ *
+ * @param in_number Input endpoint number
+ * @param out_number Output endpoint number
+ * */
+#define APP_USBD_MSC_ENDPOINT_LIST(in_number, out_number) ( \
+ CONCAT_2(NRF_DRV_USBD_EPIN, in_number), \
+ CONCAT_2(NRF_DRV_USBD_EPOUT, out_number) \
+)
+
+/**
+ * @brief Global definition of app_usbd_msc_t class
+ *
+ * @param instance_name Name of global instance
+ * @param interface_number Unique interface number
+ * @param user_ev_handler User event handler (optional)
+ * @param endpoint_list Input endpoint list (@ref nrf_drv_usbd_ep_t)
+ * @param blockdev_list Block device list
+ * @param workbuffer_size Work buffer size (need to fit into all block devices from
+ * block device list)
+ *
+ * @note This macro is just simplified version of @ref APP_USBD_MSC_GLOBAL_DEF_INTERNAL
+ *
+ */
+#define APP_USBD_MSC_GLOBAL_DEF(instance_name, \
+ interface_number, \
+ user_ev_handler, \
+ endpoint_list, \
+ blockdev_list, \
+ workbuffer_size) \
+ APP_USBD_MSC_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ user_ev_handler, \
+ endpoint_list, \
+ blockdev_list, \
+ workbuffer_size)
+
+
+/**
+ * @@brief Helper function to get class instance from MSC
+ *
+ * @param[in] p_msc MSC instance (declared by @ref APP_USBD_MSC_GLOBAL_DEF)
+ *
+ * @return Base class instance
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_msc_class_inst_get(app_usbd_msc_t const * p_msc)
+{
+ return &p_msc->base;
+}
+
+/**
+ * @brief Helper function to get MSC from base class instance
+ *
+ * @param[in] p_inst Base class instance
+ *
+ * @return MSC class handle
+ */
+static inline app_usbd_msc_t const * app_usbd_msc_class_get(app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_msc_t const *)p_inst;
+}
+
+/**
+ * @brief Synchronization of all block devices pined to MSC
+ *
+ * @param[in] p_msc MSC instance (declared by @ref APP_USBD_MSC_GLOBAL_DEF)
+ *
+ * @retval true All block devices flushed data
+ * @retval false At least one block device has not flushed data
+ */
+bool app_usbd_msc_sync(app_usbd_msc_t const * p_msc);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_MSC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_desc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_desc.h
new file mode 100644
index 0000000..83c3916
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_desc.h
@@ -0,0 +1,104 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_MSC_DESC_H__
+#define APP_USBD_MSC_DESC_H__
+
+#include "app_usbd_descriptor.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_msc_desc USB MSC descriptors
+ * @ingroup app_usbd_msc
+ *
+ * @brief @tagAPI52840 Descriptors for the USB MSC class.
+ * @{
+ */
+
+/**
+ * @brief Initializer of interface descriptor for MSC class
+ *
+ * @param interface_number Interface number
+ * @param subclass Subclass, @ref app_usbd_msc_subclass_t
+ * @param protocol Protocol, @ref app_usbd_msc_protocol_t
+ * */
+#define APP_USBD_MSC_INTERFACE_DSC(interface_number, subclass, protocol) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_iface_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_INTERFACE, \
+ /*.bInterfaceNumber = */ interface_number, \
+ /*.bAlternateSetting = */ 0x00, \
+ /*.bNumEndpoints = */ 2, \
+ /*.bInterfaceClass = */ APP_USBD_MSC_CLASS, \
+ /*.bInterfaceSubClass = */ subclass, \
+ /*.bInterfaceProtocol = */ protocol, \
+ /*.iInterface = 0, */ 0x00, \
+
+
+/**
+ * @brief Initializer of endpoint descriptors for MSC class
+ *
+ * @param endpoint_in IN endpoint
+ * @param endpoint_out OUT endpoint
+ * @param ep_size Endpoint size
+ * */
+#define APP_USBD_MSC_EP_DSC(endpoint_in, endpoint_out, ep_size) \
+ /*.bLength = */ sizeof(app_usbd_descriptor_ep_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_ENDPOINT, \
+ /*.bEndpointAddress = */ endpoint_in, \
+ /*.bmAttributes = */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK, \
+ /*.wMaxPacketSize = */ APP_USBD_U16_TO_RAW_DSC(ep_size), \
+ /*.bInterval = */ 0, \
+ /*.bLength = */ sizeof(app_usbd_descriptor_ep_t), \
+ /*.bDescriptorType = */ APP_USBD_DESCRIPTOR_ENDPOINT, \
+ /*.bEndpointAddress = */ endpoint_out, \
+ /*.bmAttributes = */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK, \
+ /*.wMaxPacketSize = */ APP_USBD_U16_TO_RAW_DSC(ep_size), \
+ /*.bInterval = */ 0, \
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_MSC_DESC_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_internal.h
new file mode 100644
index 0000000..c7036fa
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_internal.h
@@ -0,0 +1,259 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_MSC_INTERNAL_H__
+#define APP_USBD_MSC_INTERNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_msc_internals USB MSC internals
+ * @ingroup app_usbd_msc
+ *
+ * @brief @tagAPI52840 Internals of the USB MSC class.
+ * @{
+ */
+
+/**
+ * @brief Minimal serial string descriptor length
+ * */
+#define APP_USBD_MSC_MINIMAL_SERIAL_STRING_SIZE (12 + 1)
+
+/**
+ * @brief Forward declaration of Mass Storage Class type
+ *
+ */
+APP_USBD_CLASS_FORWARD(app_usbd_msc);
+
+/*lint -save -e165*/
+/**
+ * @brief Forward declaration of @ref app_usbd_msc_user_event_e
+ *
+ */
+enum app_usbd_msc_user_event_e;
+
+/*lint -restore*/
+
+/**
+ * @brief User event handler
+ *
+ * @param[in] p_inst Class instance
+ * @param[in] event User event
+ *
+ * */
+typedef void (*app_usbd_msc_user_ev_handler_t)(app_usbd_class_inst_t const * p_inst,
+ enum app_usbd_msc_user_event_e event);
+
+/**
+ * @brief MSC part of class instance data
+ */
+typedef struct {
+ void * p_block_buff; //!< Block buffer
+ size_t block_buff_size; //!< Block buffer size (typically 512 bytes)
+
+ nrf_block_dev_t const ** pp_block_devs; //!< Block devices list
+ size_t block_devs_count; //!< Block device list size
+
+ app_usbd_msc_user_ev_handler_t user_ev_handler; //!< User event handler
+
+ app_usbd_msc_subclass_t subclass; //!< MSC subclass
+ app_usbd_msc_protocol_t protocol; //!< MSC protocol
+} app_usbd_msc_inst_t;
+
+/**
+ * @brief Internal module state
+ */
+typedef enum {
+ APP_USBD_MSC_STATE_DISABLED, /**< Internal module state DISABLED */
+ APP_USBD_MSC_STATE_IDLE, /**< Internal module state IDLE */
+ APP_USBD_MSC_STATE_CBW, /**< Internal module state CBW */
+ APP_USBD_MSC_STATE_CMD_IN, /**< Internal module state CMD_IN */
+ APP_USBD_MSC_STATE_CMD_OUT, /**< Internal module state CMD_OUT */
+ APP_USBD_MSC_STATE_DATA_IN, /**< Internal module state DATA_IN */
+ APP_USBD_MSC_STATE_DATA_OUT, /**< Internal module state DATA_OUT */
+ APP_USBD_MSC_STATE_DATA_OUT_WAIT, /**< Internal module state DATA_OUT_WAIT */
+ APP_USBD_MSC_STATE_CSW, /**< Internal module state CSW */
+ APP_USBD_MSC_STATE_UNSUPPORTED, /**< Internal module state UNSUPPORTED */
+ APP_USBD_MSC_STATE_CBW_INVALID, /**< Endpoint is stalled until
+ * the command @ref APP_USBD_MSC_REQ_BULK_RESET */
+ APP_USBD_MSC_STATE_DEVICE_ERROR, /**< Endpoint is stalled and it is required
+ * to send PE error when clearing */
+} app_usbd_msc_state_t;
+
+/**
+ * @brief MSC context
+ *
+ * */
+typedef struct {
+ app_usbd_msc_cbw_t cbw; //!< SCSI command block wrapper
+ app_usbd_msc_csw_t csw; //!< SCSI Command status wrapper
+
+ app_usbd_msc_state_t state; //!< Internal module state
+
+ struct {
+ uint8_t lun; //!< Current transfer blocks: logical unit
+ uint8_t csw_status; //!< Current CSW status
+ uint32_t blk_idx; //!< Current transfer: block index
+ uint32_t blk_datasize; //!< Current transfer: data size to transfer
+ uint32_t blk_size; //!< Current transfer: block size
+ uint32_t blk_count; //!< Current transfer: block count
+ uint32_t residue; //!< @ref app_usbd_msc_csw_t::residue
+
+ bool trans_in_progress; //!< Transfer in progress flag
+ bool block_req_in_progress; //!< Block request in progress flag
+ size_t workbuff_pos; //!< Current buffer offset (double buffering mode)
+ uint8_t req_busy_mask; //!< Request bust mask (double buffering mode)
+ uint8_t trans_req_id; //!< Current transfered request (double buffering mode)
+
+ nrf_block_req_t req; //!< Last processed block req (double buffering mode)
+ } current;
+
+ size_t resp_len; //!< Response length
+
+ /*SCSI response container*/
+ union {
+ app_usbd_scsi_cmd_inquiry_resp_t inquiry; //!< @ref APP_USBD_SCSI_CMD_INQUIRY response
+ app_usbd_scsi_cmd_requestsense_resp_t requestsense; //!< @ref APP_USBD_SCSI_CMD_REQUESTSENSE response
+ app_usbd_scsi_cmd_readcapacity10_resp_t readcapacity10; //!< @ref APP_USBD_SCSI_CMD_READCAPACITY10 response
+ app_usbd_scsi_cmd_modesense6_resp_t modesense6; //!< @ref APP_USBD_SCSI_CMD_MODESENSE6 response
+ app_usbd_scsi_cmd_modesense10_resp_t modesense10; //!< @ref APP_USBD_SCSI_CMD_MODESENSE10 response
+ } scsi_resp;
+
+ uint16_t blk_dev_init_mask; //!< Block devices init mask
+} app_usbd_msc_ctx_t;
+
+
+/**
+ * @brief MSC configuration macro
+ *
+ * Used by @ref APP_USBD_MSC_GLOBAL_DEF
+ *
+ * @param iface Interface number
+ * @param endpoints Endpoint list
+ * */
+#define APP_USBD_MSC_CONFIG(iface, endpoints) ((iface, BRACKET_EXTRACT(endpoints)))
+
+
+/**
+ * @brief Specific class constant data for MSC
+ *
+ * @ref app_usbd_msc_inst_t
+ */
+#define APP_USBD_MSC_INSTANCE_SPECIFIC_DEC app_usbd_msc_inst_t inst;
+
+/**
+ * @brief Configures MSC instance
+ *
+ * @param block_devs Block devices list
+ * @param block_buff Block buffer
+ * @param user_event_handler User event handler
+ */
+#define APP_USBD_MSC_INST_CONFIG(block_devs, block_buff, user_event_handler) \
+ .inst = { \
+ .pp_block_devs = block_devs, \
+ .block_devs_count = ARRAY_SIZE(block_devs), \
+ .p_block_buff = block_buff, \
+ .block_buff_size = sizeof(block_buff) / 2, \
+ .user_ev_handler = user_event_handler, \
+ .subclass = APP_USBD_MSC_SUBCLASS_TRANSPARENT, \
+ .protocol = APP_USBD_MSC_PROTOCOL_BULK, \
+ }
+
+/**
+ * @brief Specific class data for MSC
+ *
+ * @ref app_usbd_msc_ctx_t
+ * */
+#define APP_USBD_MSC_DATA_SPECIFIC_DEC app_usbd_msc_ctx_t ctx;
+
+
+/**
+ * @brief MSC descriptors config macro
+ *
+ * @param interface_number Interface number
+ * @param ... Extracted endpoint list
+ * */
+#define APP_USBD_MSC_DSC_CONFIG(interface_number, ...) { \
+ APP_USBD_MSC_INTERFACE_DSC(interface_number, \
+ APP_USBD_MSC_SUBCLASS_TRANSPARENT, \
+ APP_USBD_MSC_PROTOCOL_BULK) \
+ APP_USBD_MSC_EP_DSC(GET_VA_ARG_1(__VA_ARGS__), \
+ GET_VA_ARG_1(GET_ARGS_AFTER_1(__VA_ARGS__)), \
+ 64) \
+}
+
+/**
+ * @brief Public MSC class interface
+ *
+ * */
+extern const app_usbd_class_methods_t app_usbd_msc_class_methods;
+
+/**
+ * @brief Global definition of mass storage class instance
+ */
+#define APP_USBD_MSC_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ user_ev_handler, \
+ endpoint_list, \
+ blockdev_list, \
+ workbuffer_size) \
+ static const nrf_block_dev_t * CONCAT_2(instance_name, _blkdevs)[] = \
+ { BRACKET_EXTRACT(blockdev_list) }; \
+ static uint32_t CONCAT_2(instance_name, _block)[2 *(workbuffer_size) / sizeof(uint32_t)]; \
+ APP_USBD_CLASS_INST_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_msc, \
+ &app_usbd_msc_class_methods, \
+ APP_USBD_MSC_CONFIG(interface_number, endpoint_list), \
+ (APP_USBD_MSC_INST_CONFIG(CONCAT_2(instance_name, _blkdevs), \
+ CONCAT_2(instance_name, _block), \
+ user_ev_handler)) \
+ )
+
+
+/** @} */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_MSC_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_scsi.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_scsi.h
new file mode 100644
index 0000000..8379a8c
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_scsi.h
@@ -0,0 +1,329 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_MSC_SCSI_H__
+#define APP_USBD_MSC_SCSI_H__
+
+#include "app_util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_msc_scsi USB MSC SCSI data structures
+ * @ingroup app_usbd_msc
+ *
+ * @brief @tagAPI52840 USB MSC SCSI data structures.
+ *
+ * @details Reference specifications:
+ * - "Reduced Block Commands (Revision 10a)" American National Standard
+ * for Information Technology, August 18, 1999
+ * - "SCSI Primary Commands - 4 (SPC-4)," American National Standard
+ * for Information Technology, July 19, 2008
+ * - "SCSI Block Commands -2 (SBC-2)," American National Standard
+ * for Information Technology, November 13, 2004
+ * - NuttX source code - Real-time Operating System: http://nuttx.org/
+ * Gregory Nutt <gnutt@nuttx.org>
+ *
+ * @{
+ */
+
+/**
+ * @brief SCSI command set
+ *
+ * Mandatory (and some optional) commands required by SBC-2.
+ *
+ */
+typedef enum {
+ APP_USBD_SCSI_CMD_TESTUNITREADY = 0x00, /**< TESTUNITREADY */
+ APP_USBD_SCSI_CMD_REQUESTSENSE = 0x03, /**< REQUESTSENSE */
+ APP_USBD_SCSI_CMD_FORMAT_UNIT = 0x04, /**< FORMAT_UNIT */
+ APP_USBD_SCSI_CMD_READ6 = 0x08, /**< READ6 */
+ APP_USBD_SCSI_CMD_WRITE6 = 0x0a, /**< WRITE6 */
+ APP_USBD_SCSI_CMD_INQUIRY = 0x12, /**< INQUIRY */
+ APP_USBD_SCSI_CMD_MODESELECT6 = 0x15, /**< MODESELECT6 */
+ APP_USBD_SCSI_CMD_MODESENSE6 = 0x1a, /**< MODESENSE6 */
+ APP_USBD_SCSI_CMD_STARTSTOPUNIT = 0x1b, /**< STARTSTOPUNIT */
+ APP_USBD_SCSI_CMD_SENDDIAGNOSTIC = 0x1d, /**< SENDDIAGNOSTIC */
+ APP_USBD_SCSI_CMD_PREVENTMEDIAREMOVAL = 0x1e, /**< PREVENTMEDIAREMOVAL */
+ APP_USBD_SCSI_CMD_READCAPACITY10 = 0x25, /**< READCAPACITY10 */
+ APP_USBD_SCSI_CMD_READ10 = 0x28, /**< READ10 */
+ APP_USBD_SCSI_CMD_WRITE10 = 0x2a, /**< WRITE10 */
+ APP_USBD_SCSI_CMD_MODESELECT10 = 0x55, /**< MODESELECT10 */
+ APP_USBD_SCSI_CMD_MODESENSE10 = 0x5a, /**< MODESENSE10 */
+} app_usbd_scsi_cmd_t;
+
+
+#pragma pack(push, 1)
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_REQUESTSENSE command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_REQUESTSENSE
+ uint8_t flags; //!< Flags
+ uint8_t reserved[2]; //!< Reserved
+ uint8_t alloclen; //!< Allocation length
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_requestsense_t;
+
+#define APP_USBD_SCSI_CMD_REQSENSE_CODE_VALID 0x80 /**< @ref app_usbd_scsi_cmd_requestsense_resp_t::code */
+#define APP_USBD_SCSI_CMD_REQSENSE_CODE_CURRENT 0x70 /**< @ref app_usbd_scsi_cmd_requestsense_resp_t::code */
+#define APP_USBD_SCSI_CMD_REQSENSE_CODE_DEFERRED 0x71 /**< @ref app_usbd_scsi_cmd_requestsense_resp_t::code */
+#define APP_USBD_SCSI_CMD_REQSENSE_CODE_CURRENTDESC 0x72 /**< @ref app_usbd_scsi_cmd_requestsense_resp_t::code */
+#define APP_USBD_SCSI_CMD_REQSENSE_CODE_DEFERREDDESC 0x73 /**< @ref app_usbd_scsi_cmd_requestsense_resp_t::code */
+
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_FILEMARK 0x80 /**< Bits 7 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_EOM 0x40 /**< Bits 6 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_ILI 0x20 /**< Bits 5 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_RESERVED 0x10 /**< Bits 4 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_NOSENSE 0x00 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_RECOVEREDERROR 0x01 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_NOTREADY 0x02 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_MEDIUMERROR 0x03 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_HARDWAREERROR 0x04 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_ILLEGALREQUEST 0x05 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_UNITATTENTION 0x06 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_DATAPROTECT 0x07 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_BLANKCHECK 0x08 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_VENDORSPECIFIC 0x09 /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+#define APP_USBD_SCSI_CMD_REQSENSE_FLAG_ABORTEDCOMMAND 0x0b /**< Bits 3...0 @ref app_usbd_scsi_cmd_requestsense_resp_t::flags */
+
+
+#define APP_USBD_SCSI_CMD_TESTUNITREADY_LEN 6 /**< @ref APP_USBD_SCSI_CMD_TESTUNITREADY command length*/
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_REQUESTSENSE response
+ */
+typedef struct {
+ uint8_t code; //!< Response code: APP_USBD_SCSI_CMD_REQSENSE_CODE_*
+ uint8_t obsolete; //!< Obsolete
+ uint8_t flags; //!< APP_USBD_SCSI_CMD_REQSENSE_FLAG_*
+ uint8_t info[4]; //!< Information
+ uint8_t len; //!< Additional length
+ uint8_t cmdinfo[4]; //!< Command-specific information
+ uint8_t code2; //!< Additional sense code
+ uint8_t qual2; //!< Additional sense code qualifier
+ uint8_t fru; //!< Field replacement unit code
+ uint8_t key[3]; //!< Sense key specific
+} app_usbd_scsi_cmd_requestsense_resp_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_INQUIRY command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_INQUIRY
+ uint8_t flags; //!< Command flags
+ uint8_t pagecode; //!< Page code
+ uint8_t alloclen[2]; //!< Allocation length
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_inquiry_t;
+
+#define APP_USBD_MSC_SCSI_INQ_QUAL_CONNECTED 0x00 /**< Peripheral connected */
+#define APP_USBD_MSC_SCSI_INQ_QUAL_NOT_CONN 0x20 /**< Peripheral not connected */
+#define APP_USBD_MSC_SCSI_INQ_QUAL_NOT_SUPP 0x60 /**< Peripheral not supported */
+
+#define APP_USBD_MSC_SCSI_INQ_TYPE_DIR_ACCESS 0x00 /**< Direct Access (SBC) */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_SEQ_ACCESS 0x01 /**< Sequential Access */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_PRINTER 0x02 /**< Printer */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_PROCESSOR 0x03 /**< Processor device */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_WRITE_ONCE 0x04 /**< Write-once device */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_CD_DVD 0x05 /**< CD/DVD device */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_OPTICAL 0x07 /**< Optical Memory */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_MC 0x08 /**< Medium Changer */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_ARRAY 0x0c /**< Storage Array Controller */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_ENCLOSURE 0x0d /**< Enclosure Services */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_RBC 0x0e /**< Simplified Direct Access */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_OCRW 0x0f /**< Optical card reader/writer */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_BCC 0x10 /**< Bridge Controller Commands */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_OSD 0x11 /**< Object-based Storage */
+#define APP_USBD_MSC_SCSI_INQ_TYPE_NONE 0x1f /**< No Peripheral */
+
+
+#define APP_USBD_MSC_SCSI_INQ_FLAG1_RMB 0x80 /**< Removable Medium */
+
+#define APP_USBD_SCSI_INQ_VER_NONE 0x00 /**< No standards conformance */
+#define APP_USBD_SCSI_INQ_VER_SPC 0x03 /**< SCSI Primary Commands (link to SBC) */
+#define APP_USBD_SCSI_INQ_VER_SPC2 0x04 /**< SCSI Primary Commands - 2 (link to SBC-2)*/
+#define APP_USBD_SCSI_INQ_VER_SPC3 0x05 /**< SCSI Primary Commands - 3 (link to SBC-2)*/
+#define APP_USBD_SCSI_INQ_VER_SPC4 0x06 /**< SCSI Primary Commands - 4 (link to SBC-3)*/
+
+#define APP_USBD_MSC_SCSI_INQ_FLAG2_NORMACA 0x20 /**< Normal ACA Supported */
+#define APP_USBD_MSC_SCSI_INQ_FLAG2_HISUP 0x10 /**< Hierarchal LUN addressing */
+#define APP_USBD_MSC_SCSI_INQ_FLAG2_RSP_SPC2 0x02 /**< SPC-2 / SPC-3 response format*/
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_INQUIRY response
+ */
+typedef struct {
+ uint8_t qualtype; //!< Bits 5-7: Peripheral qualifier; Bits 0-4: Peripheral device type
+ uint8_t flags1; //!< Flags 1
+ uint8_t version; //!< Version
+ uint8_t flags2; //!< Flags 2
+ uint8_t len; //!< Additional length
+ uint8_t flags3; //!< Flags 3
+ uint8_t flags4; //!< Flags 4
+ uint8_t flags5; //!< Flags 5
+ uint8_t vendorid[8]; //!< T10 Vendor Identification
+ uint8_t productid[16]; //!< Product Identification
+ uint8_t revision[4]; //!< Product Revision Level
+} app_usbd_scsi_cmd_inquiry_resp_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_READ6 command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_READ6
+ uint8_t mslba; //!< Bits 5-7: reserved; Bits 0-6: MS Logical Block Address (LBA)
+ uint8_t lslba[2]; //!< LS Logical Block Address (LBA)
+ uint8_t xfrlen; //!< Transfer length (in contiguous logical blocks)
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_read6_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_WRITE6 command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_WRITE6
+ uint8_t mslba; //!< Bits 5-7: reserved; Bits 0-6: MS Logical Block Address (LBA)
+ uint8_t lslba[2]; //!< LS Logical Block Address (LBA)
+ uint8_t xfrlen; //!< Transfer length (in contiguous logical blocks)
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_write6_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_MODESENSE6 command
+ */
+typedef struct {
+ uint8_t opcode; //!<* @ref APP_USBD_SCSI_CMD_MODESENSE6
+ uint8_t flags; //!<* Flags
+ uint8_t pcpgcode; //!<* Bits 6-7: PC, bits 0-5: page code
+ uint8_t subpgcode; //!<* subpage code
+ uint8_t alloclen; //!<* Allocation length
+ uint8_t control; //!<* Control
+} app_usbd_scsi_cmd_modesense6_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_MODESENSE6 response
+ */
+typedef struct {
+ uint8_t mdlen; //!< Mode data length
+ uint8_t type; //!< Medium type
+ uint8_t param; //!< Device-specific parameter
+ uint8_t bdlen; //!< Block descriptor length
+} app_usbd_scsi_cmd_modesense6_resp_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_READCAPACITY10 command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_READCAPACITY10
+ uint8_t reserved1; //!< Reserved field
+ uint8_t lba[4]; //!< Logical block address (LBA)
+ uint8_t reserved2[2]; //!< Reserved field
+ uint8_t pmi; //!< Bits 1-7 Reserved; Bit 0: PMI
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_readcapacity10_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_READCAPACITY10 response
+ */
+typedef struct {
+ uint8_t lba[4]; //!< Returned logical block address (LBA)
+ uint8_t blklen[4]; //!< Logical block length (in bytes)
+} app_usbd_scsi_cmd_readcapacity10_resp_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_READ10 command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_READ10
+ uint8_t flags; //!< Command flags
+ uint8_t lba[4]; //!< Logical Block Address (LBA)
+ uint8_t groupno; //!< Bits 5-7: reserved; Bits 0-6: group number
+ uint8_t xfrlen[2]; //!< Transfer length (in contiguous logical blocks)
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_read10_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_WRITE10 command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_WRITE10
+ uint8_t flags; //!< Command flags
+ uint8_t lba[4]; //!< Logical Block Address (LBA)
+ uint8_t groupno; //!< Bits 5-7: reserved; Bits 0-6: group number
+ uint8_t xfrlen[2]; //!< Transfer length (in contiguous logical blocks)
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_write10_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_MODESENSE10 command
+ */
+typedef struct {
+ uint8_t opcode; //!< @ref APP_USBD_SCSI_CMD_MODESENSE10
+ uint8_t flags; //!< Flags
+ uint8_t pcpgcode; //!< Bits 6-7: PC, bits 0-5: page code
+ uint8_t subpgcode; //!< Subpage code
+ uint8_t reserved[3]; //!< Reserved
+ uint8_t alloclen[2]; //!< Allocation length
+ uint8_t control; //!< Control
+} app_usbd_scsi_cmd_modesense10_t;
+
+/**
+ * @brief Payload of @ref APP_USBD_SCSI_CMD_MODESENSE10 response
+ */
+typedef struct {
+ uint8_t mdlen[2]; //!< Mode data length
+ uint8_t type; //!< Medium type
+ uint8_t param; //!< Device-specific parameter
+ uint8_t reserved[2]; //!< Reserved
+ uint8_t bdlen[2]; //!< Block descriptor length
+} app_usbd_scsi_cmd_modesense10_resp_t;
+
+#pragma pack(pop)
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_MSC_SCSI_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_types.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_types.h
new file mode 100644
index 0000000..96a6431
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/msc/app_usbd_msc_types.h
@@ -0,0 +1,141 @@
+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_MSC_TYPES_H__
+#define APP_USBD_MSC_TYPES_H__
+
+#include "app_util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_msc_types USB MSC types
+ * @ingroup app_usbd_msc
+ *
+ * @brief @tagAPI52840 Types used in the USB MSC class.
+ * @{
+ */
+
+/** @brief MSC class definition in interface descriptor
+ *
+ * @ref app_usbd_descriptor_iface_t::bInterfaceClass
+ * */
+#define APP_USBD_MSC_CLASS 0x08
+
+/**
+ * @brief MSC subclass possible value
+ */
+typedef enum {
+ APP_USBD_MSC_SUBCLASS_RBC = 0x01, /**< Reduced Block Commands */
+ APP_USBD_MSC_SUBCLASS_ATAPI = 0x02, /**< CD/DVD devices */
+ APP_USBD_MSC_SUBCLASS_QIC_157 = 0x03, /**< Tape devices */
+ APP_USBD_MSC_SUBCLASS_UFI = 0x04, /**< Floppy disk drives */
+ APP_USBD_MSC_SUBCLASS_SFF_8070I = 0x05, /**< Floppy disk drives */
+ APP_USBD_MSC_SUBCLASS_TRANSPARENT = 0x06, /**< Determined by INQUIRY */
+} app_usbd_msc_subclass_t;
+
+/**
+ * @brief MSC protocol possible value
+ *
+ * @note The USB Mass Storage Class Control/Bulk/Interrupt (CBI) Transport specification is approved
+ * for use only with full-speed floppy disk drives. CBI shall not be used in high-speed
+ * capable devices.
+ */
+typedef enum {
+ APP_USBD_MSC_PROTOCOL_CBI = 0x00, /**< Command/Bulk/Interrupt */
+ APP_USBD_MSC_PROTOCOL_CBI_ALT = 0x01, /**< W/o command completion */
+ APP_USBD_MSC_PROTOCOL_BULK = 0x50, /**< Bulk-only */
+} app_usbd_msc_protocol_t;
+
+/**
+ * @brief MSC USB requests @ref nrf_drv_usbd_setup_t::bmRequestType
+ *
+ * @note Requests are limited only to @ref APP_USBD_MSC_PROTOCOL_BULK protocol type.
+ */
+typedef enum {
+ APP_USBD_MSC_REQ_BULK_RESET = 0xFF, /**< Mass Storage Reset */
+ APP_USBD_MSC_REQ_GET_MAX_LUN = 0xFE, /**< Get Max LUN */
+} app_usbd_msc_req_t;
+
+#pragma pack(push, 1)
+
+#define APP_USBD_MSC_CBW_SIGNATURE "USBC" /**< CBW signature */
+#define APP_USBD_MSC_CBW_DIRECTION_IN (1u <<7) /**< CBW direction flag */
+
+/**
+ * @brief Command Block Wrapper (CBW)
+ */
+typedef struct {
+ uint8_t signature[4]; /**< "USBC" (hex: 0x43425355 little-endian) */
+ uint8_t tag[4]; /**< Unique command tag */
+ uint8_t datlen[4]; /**< Number of bytes that host expects to transfer */
+ uint8_t flags; /**< Bit 7: Direction=IN */
+ uint8_t lun; /**< Logical Unit Number, equals to @ref app_usbd_msc_inst_t :: block_devs_count*/
+ uint8_t cdb_length; /**< Length of cdb field */
+ uint8_t cdb[16]; /**< Command Data Block payload */
+} app_usbd_msc_cbw_t;
+
+#define APP_USBD_MSC_CSW_SIGNATURE "USBS" /**< CSW signature */
+
+#define APP_USBD_MSC_CSW_STATUS_PASS 0x00 /**< CSW status: Command Passed */
+#define APP_USBD_MSC_CSW_STATUS_FAIL 0x01 /**< CSW status: Command Failed */
+#define APP_USBD_MSC_CSW_STATUS_PE 0x02 /**< CSW status: Phase Error */
+
+/**
+ * @brief Command Status Wrapper (CSW)
+ */
+typedef struct {
+ uint8_t signature[4]; /**< "USBS" (hex: 0x53425355 little-endian) */
+ uint8_t tag[4]; /**< Unique command tag (@ref app_usbd_msc_cbw_t :: tag) */
+ uint8_t residue[4]; /**< Amount not transferred */
+ uint8_t status; /**< Status of transfer */
+} app_usbd_msc_csw_t;
+
+#pragma pack(pop)
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_MSC_TYPES_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.c
new file mode 100644
index 0000000..3716ec0
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.c
@@ -0,0 +1,374 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(APP_USBD_NRF_DFU_TRIGGER)
+
+#include <string.h>
+#include <ctype.h>
+#include "app_usbd.h"
+#include "app_usbd_nrf_dfu_trigger.h"
+#include "app_usbd_string_desc.h"
+#include "nrf_gpio.h"
+
+/**
+ * @defgroup app_usbd_nrf_dfu_trigger_internal USBD Nordic DFU Trigger internals
+ * @{
+ * @ingroup app_usbd_nrf_dfu_trigger
+ * @internal
+ */
+
+#define NRF_LOG_MODULE_NAME usbd_nrf_dfu_trigger
+
+#if APP_USBD_NRF_DFU_TRIGGER_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL APP_USBD_NRF_DFU_TRIGGER_CONFIG_LOG_LEVEL
+#define NRF_LOG_INFO_COLOR APP_USBD_NRF_DFU_TRIGGER_CONFIG_INFO_COLOR
+#define NRF_LOG_DEBUG_COLOR APP_USBD_NRF_DFU_TRIGGER_CONFIG_DEBUG_COLOR
+#else //APP_USBD_NRF_DFU_TRIGGER_CONFIG_LOG_ENABLED
+#define NRF_LOG_LEVEL 0
+#endif //APP_USBD_NRF_DFU_TRIGGER_CONFIG_LOG_ENABLED
+#include "nrf_log.h"
+NRF_LOG_MODULE_REGISTER();
+
+/**
+ * @brief Auxiliary function to access DFU Trigger instance data
+ *
+ * @param[in] p_inst Class instance data
+ *
+ * @return DFU Trigger instance data @ref app_usbd_nrf_dfu_trigger_t
+ */
+static inline app_usbd_nrf_dfu_trigger_t const * nrf_dfu_trigger_get(app_usbd_class_inst_t const * p_inst)
+{
+ ASSERT(p_inst != NULL);
+ return (app_usbd_nrf_dfu_trigger_t const *)p_inst;
+}
+
+/**
+ * @brief Auxiliary function to access DFU Trigger context data
+ *
+ * @param[in] p_dfu DFU Trigger instance data
+ *
+ * @return DFU Trigger context data @ref app_usbd_nrf_dfu_trigger_ctx_t
+ */
+static inline app_usbd_nrf_dfu_trigger_ctx_t * nrf_dfu_trigger_ctx_get(
+ app_usbd_nrf_dfu_trigger_t const * p_dfu)
+{
+ ASSERT(p_dfu != NULL);
+ ASSERT(p_dfu->specific.p_data != NULL);
+ return &p_dfu->specific.p_data->ctx;
+}
+
+/**
+ * @brief Internal SETUP standard IN request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_std_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ /* Only Get Descriptor standard IN request is supported by DFU class */
+ if ((app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQREC_INTERFACE)
+ &&
+ (p_setup_ev->setup.bmRequest == APP_USBD_SETUP_STDREQ_GET_DESCRIPTOR))
+ {
+ size_t dsc_len = 0;
+ size_t max_size;
+
+ uint8_t * p_trans_buff = app_usbd_core_setup_transfer_buff_get(&max_size);
+ /* Try to find descriptor in class internals*/
+ ret_code_t ret = app_usbd_class_descriptor_find(p_inst,
+ p_setup_ev->setup.wValue.hb,
+ p_setup_ev->setup.wValue.lb,
+ p_trans_buff,
+ &dsc_len);
+ if (ret != NRF_ERROR_NOT_FOUND)
+ {
+ ASSERT(dsc_len < NRF_DRV_USBD_EPSIZE);
+ return app_usbd_core_setup_rsp(&(p_setup_ev->setup), p_trans_buff, dsc_len);
+ }
+ }
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP standard OUT request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ * @retval NRF_ERROR_FORBIDDEN if endpoint stall cannot be cleared because of internal state
+ */
+static ret_code_t setup_req_std_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ default:
+ break;
+ }
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief User event handler.
+ *
+ * @param[in] p_inst Class instance.
+ * @param[in] event user Event type.
+ */
+static inline void user_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_nrf_dfu_trigger_user_event_t event)
+{
+ app_usbd_nrf_dfu_trigger_t const * p_dfu = nrf_dfu_trigger_get(p_inst);
+ if (p_dfu->specific.inst.user_ev_handler != NULL)
+ {
+ p_dfu->specific.inst.user_ev_handler(p_inst, event);
+ }
+}
+
+/**
+ * @brief Internal SETUP class IN request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_class_in(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_nrf_dfu_trigger_t const * p_dfu = nrf_dfu_trigger_get(p_inst);
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_NRF_DFU_TRIGGER_REQ_NORDIC_INFO:
+ if (p_setup_ev->setup.wLength.w != sizeof(app_usbd_nrf_dfu_trigger_nordic_info_t))
+ {
+ return NRF_ERROR_NOT_SUPPORTED;
+ }
+ return app_usbd_core_setup_rsp(&p_setup_ev->setup,
+ p_dfu->specific.inst.p_dfu_info,
+ sizeof(app_usbd_nrf_dfu_trigger_nordic_info_t));
+
+ case APP_USBD_NRF_DFU_TRIGGER_REQ_SEM_VER:
+ return app_usbd_core_setup_rsp(&p_setup_ev->setup,
+ p_dfu->specific.inst.p_sem_ver,
+ p_dfu->specific.inst.sem_ver_size);
+
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Internal SETUP class OUT request handler
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_req_class_out(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ app_usbd_nrf_dfu_trigger_t const * p_dfu = nrf_dfu_trigger_get(p_inst);
+ app_usbd_nrf_dfu_trigger_ctx_t * p_dfu_ctx = nrf_dfu_trigger_ctx_get(p_dfu);
+
+ switch (p_setup_ev->setup.bmRequest)
+ {
+ case APP_USBD_NRF_DFU_TRIGGER_REQ_DETACH:
+ {
+ NRF_LOG_DEBUG("Entering DFU Mode");
+ p_dfu_ctx->state = APP_USBD_NRF_DFU_TRIGGER_STATE_DETACH;
+ user_event_handler(p_inst, APP_USBD_NRF_DFU_TRIGGER_USER_EVT_DETACH);
+ return NRF_SUCCESS;
+ }
+ default:
+ break;
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief Control endpoint handle
+ *
+ * @param[in] p_inst Generic class instance
+ * @param[in] p_setup_ev Setup event
+ *
+ * @return Standard error code
+ * @retval NRF_SUCCESS if request handled correctly
+ * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported
+ */
+static ret_code_t setup_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_setup_evt_t const * p_setup_ev)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_setup_ev != NULL);
+
+ if (app_usbd_setup_req_dir(p_setup_ev->setup.bmRequestType) == APP_USBD_SETUP_REQDIR_IN)
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_in(p_inst, p_setup_ev);
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_in(p_inst, p_setup_ev);
+ default:
+ break;
+ }
+ }
+ else /* APP_USBD_SETUP_REQDIR_OUT */
+ {
+ switch (app_usbd_setup_req_typ(p_setup_ev->setup.bmRequestType))
+ {
+ case APP_USBD_SETUP_REQTYPE_STD:
+ return setup_req_std_out(p_inst, p_setup_ev);
+ case APP_USBD_SETUP_REQTYPE_CLASS:
+ return setup_req_class_out(p_inst, p_setup_ev);
+ default:
+ break;
+ }
+ }
+
+ return NRF_ERROR_NOT_SUPPORTED;
+}
+
+/**
+ * @brief @ref app_usbd_class_methods_t::event_handler
+ */
+static ret_code_t nrf_dfu_trigger_event_handler(app_usbd_class_inst_t const * p_inst,
+ app_usbd_complex_evt_t const * p_event)
+{
+ ASSERT(p_inst != NULL);
+ ASSERT(p_event != NULL);
+
+ ret_code_t ret = NRF_SUCCESS;
+ switch (p_event->app_evt.type)
+ {
+ case APP_USBD_EVT_DRV_SOF:
+ break;
+ case APP_USBD_EVT_DRV_RESET:
+ break;
+ case APP_USBD_EVT_DRV_SETUP:
+ ret = setup_event_handler(p_inst, (app_usbd_setup_evt_t const *) p_event);
+ break;
+ case APP_USBD_EVT_DRV_EPTRANSFER:
+ break;
+ case APP_USBD_EVT_DRV_SUSPEND:
+ break;
+ case APP_USBD_EVT_DRV_RESUME:
+ break;
+ case APP_USBD_EVT_INST_APPEND:
+ break;
+ case APP_USBD_EVT_INST_REMOVE:
+ break;
+ case APP_USBD_EVT_STARTED:
+ break;
+ case APP_USBD_EVT_STOPPED:
+ break;
+ default:
+ ret = NRF_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * @brief @ref app_usbd_class_methods_t::feed_descriptors
+ */
+static bool nrf_dfu_trigger_feed_descriptors(app_usbd_class_descriptor_ctx_t * p_ctx,
+ app_usbd_class_inst_t const * p_inst,
+ uint8_t * p_buff,
+ size_t max_size)
+{
+ static app_usbd_class_iface_conf_t const * p_cur_iface = NULL;
+ p_cur_iface = app_usbd_class_iface_get(p_inst, 0);
+ app_usbd_nrf_dfu_trigger_t const * p_dfu = nrf_dfu_trigger_get(p_inst);
+
+ APP_USBD_CLASS_DESCRIPTOR_BEGIN(p_ctx, p_buff, max_size)
+
+ /* INTERFACE DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(sizeof(app_usbd_descriptor_iface_t)); // bLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_DESCRIPTOR_INTERFACE); // bDescriptorType
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(app_usbd_class_iface_number_get(p_cur_iface)); // bInterfaceNumber
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // bAlternateSetting
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0); // bNumEndpoints
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_NRF_DFU_TRIGGER_CLASS); // bInterfaceClass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_NRF_DFU_TRIGGER_SUBCLASS); // bInterfaceSubClass
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_NRF_DFU_TRIGGER_PROTOCOL_RUNTIME); // bInterfaceProtocol
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(0x00); // iInterface
+
+ /* FUNCTIONAL DESCRIPTOR */
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(sizeof(app_usbd_nrf_dfu_trigger_desc_func_t)); // bFunctionLength
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_NRF_DFU_TRIGGER_CS_FUNCTIONAL); // bDescriptorType
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(APP_USBD_NRF_DFU_TRIGGER_BIT_CAN_DNLOAD |
+ APP_USBD_NRF_DFU_TRIGGER_BIT_WILL_DETACH); // bmAttribute
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(p_dfu->specific.inst.detach_timeout)); // wDetachTimeOut LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(p_dfu->specific.inst.detach_timeout)); // wDetachTimeOut MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(p_dfu->specific.inst.transfer_size)); // wTransferSize LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(p_dfu->specific.inst.transfer_size)); // wTransferSize MSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(LSB_16(p_dfu->specific.inst.bcd_dfu)); // bcdDFUVersion LSB
+ APP_USBD_CLASS_DESCRIPTOR_WRITE(MSB_16(p_dfu->specific.inst.bcd_dfu)); // bcdDFUVersion MSB
+
+ APP_USBD_CLASS_DESCRIPTOR_END();
+}
+
+const app_usbd_class_methods_t app_usbd_nrf_dfu_trigger_class_methods = {
+ .event_handler = nrf_dfu_trigger_event_handler,
+ .feed_descriptors = nrf_dfu_trigger_feed_descriptors,
+};
+
+
+#endif //NRF_MODULE_ENABLED(APP_USBD_NRF_DFU_TRIGGER)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.h
new file mode 100644
index 0000000..b15ea96
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger.h
@@ -0,0 +1,166 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_NRF_DFU_TRIGGER_H__
+#define APP_USBD_NRF_DFU_TRIGGER_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "nrf_drv_usbd.h"
+#include "nrf_block_dev.h"
+#include "app_usbd_class_base.h"
+#include "app_usbd.h"
+#include "app_usbd_core.h"
+#include "app_usbd_descriptor.h"
+
+#include "app_usbd_nrf_dfu_trigger_types.h"
+#include "app_usbd_nrf_dfu_trigger_internal.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_nrf_dfu_trigger USB Nordic DFU Trigger class
+ * @ingroup app_usbd
+ *
+ * @brief @tagAPI52840 Module with types, definitions,
+ * and API used by the USB Nordic DFU Trigger class.
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN
+/**
+ * @brief Nordic DFU Trigger class instance type
+ *
+ * @ref APP_USBD_CLASS_TYPEDEF
+ */
+typedef struct { } app_usbd_nrf_dfu_trigger_t;
+#else
+/*lint -save -e10 -e26 -e123 -e505 */
+APP_USBD_CLASS_NO_EP_TYPEDEF(app_usbd_nrf_dfu_trigger, \
+ APP_USBD_NRF_DFU_TRIGGER_CONFIG(0), \
+ APP_USBD_NRF_DFU_TRIGGER_INSTANCE_SPECIFIC_DEC, \
+ APP_USBD_NRF_DFU_TRIGGER_DATA_SPECIFIC_DEC \
+);
+#endif
+
+/*lint -restore*/
+
+
+/*lint -save -e407 */
+
+/**
+ * @brief Events passed to user event handler
+ *
+ * @note Example prototype of user event handler:
+ *
+ * void dfu_user_ev_handler(app_usbd_class_inst_t const * p_inst,
+ * app_usbd_nrf_dfu_trigger_user_event_t event);
+ */
+typedef enum app_usbd_nrf_dfu_trigger_user_event_e {
+ APP_USBD_NRF_DFU_TRIGGER_USER_EVT_DETACH,
+} app_usbd_nrf_dfu_trigger_user_event_t;
+
+/*lint -restore*/
+
+/**
+ * @brief Global definition of app_usbd_nrf_dfu_trigger_t class
+ *
+ * @param instance_name Name of global instance
+ * @param interface_number Unique interface number
+ * @param p_nordic_dfu Pointer to @ref app_usbd_nrf_dfu_trigger_nordic_info_t structure
+ * @param sem_ver_str Semantic version string
+ * @param user_ev_handler User event handler (optional)
+ *
+ * @note This macro is just simplified version of @ref APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF_INTERNAL
+ *
+ */
+/*lint -save -emacro(26 64 123 505 651, APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF)*/
+#define APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF(instance_name, \
+ interface_number, \
+ p_nordic_dfu, \
+ sem_ver_str, \
+ user_ev_handler) \
+ APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ 0, \
+ 0, \
+ p_nordic_dfu, \
+ sem_ver_str, \
+ user_ev_handler)
+/*lint -restore*/
+
+/**
+ * @@brief Helper function to get class instance from Nordic DFU Trigger
+ *
+ * @param[in] p_dfu Nordic DFU Trigger instance
+ * (declared by @ref APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF)
+ *
+ * @return Base class instance
+ */
+static inline app_usbd_class_inst_t const *
+app_usbd_nrf_dfu_trigger_class_inst_get(app_usbd_nrf_dfu_trigger_t const * p_dfu)
+{
+ return &p_dfu->base;
+}
+
+/**
+ * @brief Helper function to get DFU from base class instance
+ *
+ * @param[in] p_inst Base class instance
+ *
+ * @return DFU class handle
+ */
+static inline app_usbd_nrf_dfu_trigger_t const *
+app_usbd_nrf_dfu_trigger_class_get( app_usbd_class_inst_t const * p_inst)
+{
+ return (app_usbd_nrf_dfu_trigger_t const *)p_inst;
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_NRF_DFU_TRIGGER_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_internal.h
new file mode 100644
index 0000000..9195e2a
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_internal.h
@@ -0,0 +1,203 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_NRF_DFU_TRIGGER_INTERNAL_H__
+#define APP_USBD_NRF_DFU_TRIGGER_INTERNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_nrf_dfu_trigger_internals USB Nordic DFU Trigger internals
+ * @ingroup app_usbd_nrf_dfu_trigger
+ *
+ * @brief @tagAPI52840 Internals of the USB Nordic DFU Trigger class.
+ * @{
+ */
+
+/**
+ * @brief Forward declaration of Nordic DFU Trigger Class type
+ *
+ */
+APP_USBD_CLASS_FORWARD(app_usbd_nrf_dfu_trigger);
+
+/*lint -save -e165*/
+/**
+ * @brief Forward declaration of @ref app_usbd_nrf_dfu_trigger_user_event_e
+ *
+ */
+enum app_usbd_nrf_dfu_trigger_user_event_e;
+
+/*lint -restore*/
+
+/**
+ * @brief User event handler
+ *
+ * @param[in] p_inst Class instance
+ * @param[in] event User event
+ *
+ * */
+typedef void (*app_usbd_nrf_dfu_trigger_user_ev_handler_t)(
+ app_usbd_class_inst_t const * p_inst,
+ enum app_usbd_nrf_dfu_trigger_user_event_e event);
+
+/**
+ * @brief Nordic DFU Trigger part of class instance data
+ */
+typedef struct {
+ size_t const sem_ver_size; //!< Semantic string size
+ uint16_t const detach_timeout; //!< Detach timeout in ms - for compatibility with DFU spec.
+ uint16_t const transfer_size; //!< Transfer size - for compatibility with DFU spec.
+ uint16_t const bcd_dfu; //!< DFU spec version.
+ uint8_t const * p_sem_ver; //!< Pointer to semantic version string
+
+ app_usbd_nrf_dfu_trigger_nordic_info_t const * p_dfu_info; //!< Pointer to Nordic DFU Info
+
+ app_usbd_nrf_dfu_trigger_user_ev_handler_t user_ev_handler; //!< User event handler
+} app_usbd_nrf_dfu_trigger_inst_t;
+
+/**
+ * @brief Internal module state
+ *
+ * @note For future compatibility with DFU class.
+ */
+typedef enum {
+ APP_USBD_NRF_DFU_TRIGGER_STATE_IDLE, /**< Internal module state IDLE */
+ APP_USBD_NRF_DFU_TRIGGER_STATE_DETACH, /**< Internal module state DETACH */
+} app_usbd_nrf_dfu_trigger_state_t;
+
+/**
+ * @brief Nordic DFU Trigger context
+ *
+ * */
+typedef struct {
+ app_usbd_nrf_dfu_trigger_state_t state; //!< Internal module state
+} app_usbd_nrf_dfu_trigger_ctx_t;
+
+
+/**
+ * @brief Nordic DFU Trigger configuration macro
+ *
+ * Used by @ref APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF
+ *
+ * @param iface Interface number
+ * */
+#define APP_USBD_NRF_DFU_TRIGGER_CONFIG(iface) (iface)
+
+
+/**
+ * @brief Specific class constant data for Nordic DFU Trigger
+ *
+ * @ref app_usbd_nrf_dfu_trigger_inst_t
+ */
+#define APP_USBD_NRF_DFU_TRIGGER_INSTANCE_SPECIFIC_DEC app_usbd_nrf_dfu_trigger_inst_t inst;
+
+
+/**
+ * @brief Configures Nordic DFU Trigger instance
+ *
+ * @param user_event_handler User event handler
+ * @param p_nordic_dfu Pointer to @ref app_usbd_nrf_dfu_trigger_nordic_info_t structure
+ * @param sem_ver_str Semantic version string
+ * @param timeout Detach timeout in ms - left for compatibility with USB DFU spec.
+ * @param size Transfer size in bytes - left for compatibility with USB DFU spec.
+ * @param bcd USB DFU specification version.
+ */
+#define APP_USBD_NRF_DFU_TRIGGER_INST_CONFIG(user_event_handler, \
+ p_nordic_dfu, \
+ sem_ver_str, \
+ timeout, \
+ size, \
+ bcd) \
+ .inst = { \
+ .user_ev_handler = user_event_handler, \
+ .p_dfu_info = p_nordic_dfu, \
+ .p_sem_ver = sem_ver_str, \
+ .sem_ver_size = sizeof(sem_ver_str), \
+ .transfer_size = size, \
+ .detach_timeout = timeout, \
+ .bcd_dfu = bcd, \
+ }
+
+/**
+ * @brief Specific class data for Nordic DFU Trigger
+ *
+ * @ref app_usbd_nrf_dfu_trigger_ctx_t
+ * */
+#define APP_USBD_NRF_DFU_TRIGGER_DATA_SPECIFIC_DEC app_usbd_nrf_dfu_trigger_ctx_t ctx;
+
+
+/**
+ * @brief Public Nordic DFU Trigger class interface
+ */
+extern const app_usbd_class_methods_t app_usbd_nrf_dfu_trigger_class_methods;
+
+/**
+ * @brief Global definition of Nordic DFU Trigger instance
+ */
+#define APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF_INTERNAL(instance_name, \
+ interface_number, \
+ detach_timeout, \
+ transfer_size, \
+ p_nordic_dfu, \
+ sem_ver_str, \
+ user_ev_handler) \
+ APP_USBD_CLASS_INST_NO_EP_GLOBAL_DEF( \
+ instance_name, \
+ app_usbd_nrf_dfu_trigger, \
+ &app_usbd_nrf_dfu_trigger_class_methods, \
+ APP_USBD_NRF_DFU_TRIGGER_CONFIG((interface_number)), \
+ (APP_USBD_NRF_DFU_TRIGGER_INST_CONFIG(user_ev_handler, \
+ p_nordic_dfu, \
+ sem_ver_str, \
+ detach_timeout, \
+ transfer_size, \
+ 0x0110)) \
+ )
+
+
+/** @} */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_NRF_DFU_TRIGGER_INTERNAL_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_types.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_types.h
new file mode 100644
index 0000000..93f7fb9
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/nrf_dfu_trigger/app_usbd_nrf_dfu_trigger_types.h
@@ -0,0 +1,145 @@
+/**
+ * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_NRF_DFU_TRIGGER_TYPES_H__
+#define APP_USBD_NRF_DFU_TRIGGER_TYPES_H__
+
+#include "app_util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_nrf_dfu_trigger_types USB Nordic DFU Trigger types
+ * @ingroup app_usbd_nrf_dfu_trigger
+ *
+ * @brief @tagAPI52840 Types used in the USB Nordic DFU Trigger class.
+ * @{
+ */
+
+/** @brief Nordic DFU Trigger class definition in interface descriptor
+ *
+ * @ref app_usbd_descriptor_iface_t::bInterfaceClass
+ * */
+#define APP_USBD_NRF_DFU_TRIGGER_CLASS 0xFF
+
+/**
+ * @brief Nordic DFU Trigger subclass possible value
+ */
+typedef enum {
+ APP_USBD_NRF_DFU_TRIGGER_SUBCLASS = 0x01, /**< Device Firmware Upgrade Code */
+} app_usbd_nrf_dfu_trigger_subclass_t;
+
+/**
+ * @brief Nordic DFU Trigger protocol possible value
+ *
+ * @note Only Run-time protocol is implemented, as DFU mode is covered by Nordic DFU.
+ */
+typedef enum {
+ APP_USBD_NRF_DFU_TRIGGER_PROTOCOL_RUNTIME = 0x01, /**< Run-time Protocol */
+} app_usbd_nrf_dfu_trigger_protocol_t;
+
+/**
+ * @brief Nordic DFU Trigger USB requests @ref nrf_drv_usbd_setup_t::bmRequestType
+ *
+ * @note Requests are limited only to @ref APP_USBD_NRF_DFU_TRIGGER_PROTOCOL_RUNTIME protocol type.
+ */
+typedef enum {
+ APP_USBD_NRF_DFU_TRIGGER_REQ_DETACH = 0x00, /**< Switch to DFU mode */
+ APP_USBD_NRF_DFU_TRIGGER_REQ_NORDIC_INFO = 0x07, /**< Request Nordic DFU information */
+ APP_USBD_NRF_DFU_TRIGGER_REQ_SEM_VER = 0x08, /**< Request semantic version information */
+} app_usbd_nrf_dfu_trigger_req_t;
+
+/**
+ * @brief Nordic DFU Trigger Functional Descriptor types.
+ */
+typedef enum {
+ APP_USBD_NRF_DFU_TRIGGER_CS_FUNCTIONAL = 0x21, /**< Functional descriptor type.*/
+} app_usbd_nrf_dfu_trigger_func_type_t;
+
+/**
+ * @brief Nordic DFU Trigger functional descriptor bmAttributes bit masks.
+ *
+ * @note For future compatibility with DFU class.
+ */
+typedef enum {
+ APP_USBD_NRF_DFU_TRIGGER_BIT_CAN_DNLOAD = 0x01, /**< bitCanDnload */
+ APP_USBD_NRF_DFU_TRIGGER_BIT_CAB_UPLOAD = 0x02, /**< bitCanUpload */
+ APP_USBD_NRF_DFU_TRIGGER_BIT_MANI_TOLERANT = 0x04, /**< bitManifestationTolerant */
+ APP_USBD_NRF_DFU_TRIGGER_BIT_WILL_DETACH = 0x08, /**< bitWillDetach */
+} app_usbd_nrf_dfu_trigger_bm_attributes_t;
+
+#pragma pack(push, 1)
+
+/**
+ * @brief Nordic DFU Trigger Functional Descriptor
+ */
+typedef struct {
+ uint8_t bFunctionLength; //!< Size of this descriptor in bytes.
+ uint8_t bDescriptorType; //!< Descriptor type.
+ uint8_t bmAttributes; //!< Attributes bits.
+ uint16_t wDetachTimeOut; //!< Device detach timeout - left for compatibility with USB DFU spec.
+ uint16_t wTransferSize; //!< Transfer size - left for compatibility with USB DFU spec.
+ uint16_t bcdDFUVersion; //!< DFU version.
+} app_usbd_nrf_dfu_trigger_desc_func_t;
+
+/**
+ * @brief Nordic custom DFU information.
+ */
+typedef struct {
+ uint32_t wAddress; //!< Firmware start address.
+ uint32_t wFirmwareSize; //!< Firmware size.
+ uint16_t wVersionMajor; //!< Firmware version major.
+ uint16_t wVersionMinor; //!< Firmware version minor.
+ uint32_t wFirmwareID; //!< Firmware ID.
+ uint32_t wFlashSize; //!< Flash size.
+ uint32_t wFlashPageSize; //!< Flash page size.
+} app_usbd_nrf_dfu_trigger_nordic_info_t;
+
+#pragma pack(pop)
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_NRF_DFU_TRIGGER_TYPES_H__ */