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Diffstat (limited to 'bsp/radio-controller-1/Src/usbd_cdc_if.c')
| -rw-r--r-- | bsp/radio-controller-1/Src/usbd_cdc_if.c | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/bsp/radio-controller-1/Src/usbd_cdc_if.c b/bsp/radio-controller-1/Src/usbd_cdc_if.c new file mode 100644 index 0000000..6e6d192 --- /dev/null +++ b/bsp/radio-controller-1/Src/usbd_cdc_if.c @@ -0,0 +1,322 @@ +/** + ****************************************************************************** + * @file : usbd_cdc_if.c + * @brief : + ****************************************************************************** + * + * Copyright (c) 2017 STMicroelectronics International N.V. + * 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. Redistribution of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form 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 STMicroelectronics nor the names of other + * contributors to this software may be used to endorse or promote products + * derived from this software without specific written permission. + * 4. This software, including modifications and/or derivative works of this + * software, must execute solely and exclusively on microcontroller or + * microprocessor devices manufactured by or for STMicroelectronics. + * 5. Redistribution and use of this software other than as permitted under + * this license is void and will automatically terminate your rights under + * this license. + * + * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY + * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT + * SHALL STMICROELECTRONICS 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. + * + ****************************************************************************** +*/ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_cdc_if.h" +/* USER CODE BEGIN INCLUDE */ +/* USER CODE END INCLUDE */ + +/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USBD_CDC + * @brief usbd core module + * @{ + */ + +/** @defgroup USBD_CDC_Private_TypesDefinitions + * @{ + */ +/* USER CODE BEGIN PRIVATE_TYPES */ +/* USER CODE END PRIVATE_TYPES */ +/** + * @} + */ + +/** @defgroup USBD_CDC_Private_Defines + * @{ + */ +/* USER CODE BEGIN PRIVATE_DEFINES */ +/* Define size for the receive and transmit buffer over CDC */ +/* It's up to user to redefine and/or remove those define */ +#define APP_RX_DATA_SIZE 4 +#define APP_TX_DATA_SIZE 4 +/* USER CODE END PRIVATE_DEFINES */ +/** + * @} + */ + +/** @defgroup USBD_CDC_Private_Macros + * @{ + */ +/* USER CODE BEGIN PRIVATE_MACRO */ +/* USER CODE END PRIVATE_MACRO */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_Private_Variables + * @{ + */ +/* Create buffer for reception and transmission */ +/* It's up to user to redefine and/or remove those define */ +/* Received Data over USB are stored in this buffer */ +uint8_t UserRxBufferFS[APP_RX_DATA_SIZE]; + +/* Send Data over USB CDC are stored in this buffer */ +uint8_t UserTxBufferFS[APP_TX_DATA_SIZE]; + +/* USER CODE BEGIN PRIVATE_VARIABLES */ +/* USER CODE END PRIVATE_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Exported_Variables + * @{ + */ + extern USBD_HandleTypeDef hUsbDeviceFS; +/* USER CODE BEGIN EXPORTED_VARIABLES */ +/* USER CODE END EXPORTED_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_Private_FunctionPrototypes + * @{ + */ +static int8_t CDC_Init_FS (void); +static int8_t CDC_DeInit_FS (void); +static int8_t CDC_Control_FS (uint8_t cmd, uint8_t* pbuf, uint16_t length); +static int8_t CDC_Receive_FS (uint8_t* pbuf, uint32_t *Len); + +/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */ +/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */ + +/** + * @} + */ + +USBD_CDC_ItfTypeDef USBD_Interface_fops_FS = +{ + CDC_Init_FS, + CDC_DeInit_FS, + CDC_Control_FS, + CDC_Receive_FS +}; + +/* Private functions ---------------------------------------------------------*/ +/** + * @brief CDC_Init_FS + * Initializes the CDC media low layer over the FS USB IP + * @param None + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_Init_FS(void) +{ + /* USER CODE BEGIN 3 */ + /* Set Application Buffers */ + USBD_CDC_SetTxBuffer(&hUsbDeviceFS, UserTxBufferFS, 0); + USBD_CDC_SetRxBuffer(&hUsbDeviceFS, UserRxBufferFS); + printf("%s: \n", __FUNCTION__); + return (USBD_OK); + /* USER CODE END 3 */ +} + +/** + * @brief CDC_DeInit_FS + * DeInitializes the CDC media low layer + * @param None + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_DeInit_FS(void) +{ + /* USER CODE BEGIN 4 */ + printf("%s: \n", __FUNCTION__); + return (USBD_OK); + /* USER CODE END 4 */ +} + +/** + * @brief CDC_Control_FS + * Manage the CDC class requests + * @param cmd: Command code + * @param pbuf: Buffer containing command data (request parameters) + * @param length: Number of data to be sent (in bytes) + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_Control_FS (uint8_t cmd, uint8_t* pbuf, uint16_t length) +{ + /* USER CODE BEGIN 5 */ + switch (cmd) + { + case CDC_SEND_ENCAPSULATED_COMMAND: + + break; + + case CDC_GET_ENCAPSULATED_RESPONSE: + + break; + + case CDC_SET_COMM_FEATURE: + + break; + + case CDC_GET_COMM_FEATURE: + + break; + + case CDC_CLEAR_COMM_FEATURE: + + break; + + /*******************************************************************************/ + /* Line Coding Structure */ + /*-----------------------------------------------------------------------------*/ + /* Offset | Field | Size | Value | Description */ + /* 0 | dwDTERate | 4 | Number |Data terminal rate, in bits per second*/ + /* 4 | bCharFormat | 1 | Number | Stop bits */ + /* 0 - 1 Stop bit */ + /* 1 - 1.5 Stop bits */ + /* 2 - 2 Stop bits */ + /* 5 | bParityType | 1 | Number | Parity */ + /* 0 - None */ + /* 1 - Odd */ + /* 2 - Even */ + /* 3 - Mark */ + /* 4 - Space */ + /* 6 | bDataBits | 1 | Number Data bits (5, 6, 7, 8 or 16). */ + /*******************************************************************************/ + case CDC_SET_LINE_CODING: { + uint32_t bps = pbuf[0] << 24 | pbuf[1] << 16 | pbuf[2] << 8 | pbuf[3]; + const char *stop_bits = pbuf[4] == 0 ? "1" : pbuf[4] == 1 ? "1.5" : "2"; + const char *parities[5] = {"none", "odd", "even", "mark", "space"}; + const char *parity = parities[pbuf[5]]; + int bits = pbuf[6]; + printf("Line coding, bps=%lu, bits=%s, parity=%s, bits=%d\n", bps, stop_bits, parity, bits); + } + break; + + case CDC_GET_LINE_CODING: + + break; + + case CDC_SET_CONTROL_LINE_STATE: + + break; + + case CDC_SEND_BREAK: + + break; + + default: + break; + } + + return (USBD_OK); + /* USER CODE END 5 */ +} + +/** + * @brief CDC_Receive_FS + * Data received over USB OUT endpoint are sent over CDC interface + * through this function. + * + * @note + * This function will block any OUT packet reception on USB endpoint + * untill exiting this function. If you exit this function before transfer + * is complete on CDC interface (ie. using DMA controller) it will result + * in receiving more data while previous ones are still not sent. + * + * @param Buf: Buffer of data to be received + * @param Len: Number of data received (in bytes) + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_Receive_FS (uint8_t* Buf, uint32_t *Len) +{ + /* USER CODE BEGIN 6 */ + USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]); + USBD_CDC_ReceivePacket(&hUsbDeviceFS); + + printf("USB OUT: len=%lu, data=", *Len); + for(uint32_t i = 0; i < *Len; i++) { + printf("%02x", Buf[i]); + } + printf("\n"); + + return (USBD_OK); + /* USER CODE END 6 */ +} + +/** + * @brief CDC_Transmit_FS + * Data send over USB IN endpoint are sent over CDC interface + * through this function. + * @note + * + * + * @param Buf: Buffer of data to be send + * @param Len: Number of data to be send (in bytes) + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL or USBD_BUSY + */ +uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len) +{ + uint8_t result = USBD_OK; + /* USER CODE BEGIN 7 */ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*)hUsbDeviceFS.pClassData; + if (hcdc->TxState != 0){ + return USBD_BUSY; + } + USBD_CDC_SetTxBuffer(&hUsbDeviceFS, Buf, Len); + result = USBD_CDC_TransmitPacket(&hUsbDeviceFS); + /* USER CODE END 7 */ + return result; +} + +/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */ +/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + |