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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/cdc/acm/app_usbd_cdc_acm.h')
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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__ */ |