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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm_internal.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm_internal.h | 268 |
1 files changed, 268 insertions, 0 deletions
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__ */ |