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Add source code of the firmware for the IO Board

Pawel Jablonski authored on 05/06/2023 17:01:27
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fw/src/usbd/usbd_ioreq.c
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+/**
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+  ******************************************************************************
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+  * @file    usbd_ioreq.c
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+  * @author  MCD Application Team
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+  * @brief   This file provides the IO requests APIs for control endpoints.
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+  ******************************************************************************
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+  * @attention
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+  *
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+  * Copyright (c) 2015 STMicroelectronics.
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+  * All rights reserved.
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+  *
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+  * This software is licensed under terms that can be found in the LICENSE file
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+  * in the root directory of this software component.
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+  * If no LICENSE file comes with this software, it is provided AS-IS.
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+  *
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+  ******************************************************************************
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+  */
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+
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+/* Includes ------------------------------------------------------------------*/
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+#include "usbd_ioreq.h"
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+
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+/** @addtogroup STM32_USB_DEVICE_LIBRARY
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+  * @{
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+  */
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+
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+
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+/** @defgroup USBD_IOREQ
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+  * @brief control I/O requests module
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+  * @{
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+  */
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+
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+/** @defgroup USBD_IOREQ_Private_TypesDefinitions
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+  * @{
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+  */
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+/**
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+  * @}
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+  */
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+
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+
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+/** @defgroup USBD_IOREQ_Private_Defines
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+  * @{
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+  */
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+
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+/**
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+  * @}
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+  */
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+
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+
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+/** @defgroup USBD_IOREQ_Private_Macros
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+  * @{
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+  */
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+/**
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+  * @}
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+  */
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+
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+
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+/** @defgroup USBD_IOREQ_Private_Variables
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+  * @{
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+  */
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+
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+/**
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+  * @}
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+  */
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+
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+
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+/** @defgroup USBD_IOREQ_Private_FunctionPrototypes
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+  * @{
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+  */
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+/**
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+  * @}
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+  */
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+
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+
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+/** @defgroup USBD_IOREQ_Private_Functions
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+  * @{
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+  */
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+
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+/**
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+  * @brief  USBD_CtlSendData
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+  *         send data on the ctl pipe
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+  * @param  pdev: device instance
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+  * @param  buff: pointer to data buffer
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+  * @param  len: length of data to be sent
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+  * @retval status
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+  */
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+USBD_StatusTypeDef USBD_CtlSendData(USBD_HandleTypeDef *pdev,
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+                                    uint8_t *pbuf, uint32_t len)
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+{
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+  /* Set EP0 State */
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+  pdev->ep0_state = USBD_EP0_DATA_IN;
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+  pdev->ep_in[0].total_length = len;
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+
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+#ifdef USBD_AVOID_PACKET_SPLIT_MPS
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+  pdev->ep_in[0].rem_length = 0U;
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+#else
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+  pdev->ep_in[0].rem_length = len;
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+#endif /* USBD_AVOID_PACKET_SPLIT_MPS */
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+
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+  /* Start the transfer */
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+  (void)USBD_LL_Transmit(pdev, 0x00U, pbuf, len);
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+
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+  return USBD_OK;
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+}
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+
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+/**
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+  * @brief  USBD_CtlContinueSendData
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+  *         continue sending data on the ctl pipe
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+  * @param  pdev: device instance
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+  * @param  buff: pointer to data buffer
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+  * @param  len: length of data to be sent
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+  * @retval status
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+  */
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+USBD_StatusTypeDef USBD_CtlContinueSendData(USBD_HandleTypeDef *pdev,
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+                                            uint8_t *pbuf, uint32_t len)
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+{
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+  /* Start the next transfer */
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+  (void)USBD_LL_Transmit(pdev, 0x00U, pbuf, len);
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+
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+  return USBD_OK;
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+}
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+
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+/**
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+  * @brief  USBD_CtlPrepareRx
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+  *         receive data on the ctl pipe
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+  * @param  pdev: device instance
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+  * @param  buff: pointer to data buffer
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+  * @param  len: length of data to be received
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+  * @retval status
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+  */
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+USBD_StatusTypeDef USBD_CtlPrepareRx(USBD_HandleTypeDef *pdev,
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+                                     uint8_t *pbuf, uint32_t len)
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+{
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+  /* Set EP0 State */
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+  pdev->ep0_state = USBD_EP0_DATA_OUT;
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+  pdev->ep_out[0].total_length = len;
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+
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+#ifdef USBD_AVOID_PACKET_SPLIT_MPS
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+  pdev->ep_out[0].rem_length = 0U;
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+#else
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+  pdev->ep_out[0].rem_length = len;
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+#endif /* USBD_AVOID_PACKET_SPLIT_MPS */
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+
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+  /* Start the transfer */
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+  (void)USBD_LL_PrepareReceive(pdev, 0U, pbuf, len);
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+
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+  return USBD_OK;
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+}
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+
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+/**
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+  * @brief  USBD_CtlContinueRx
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+  *         continue receive data on the ctl pipe
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+  * @param  pdev: device instance
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+  * @param  buff: pointer to data buffer
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+  * @param  len: length of data to be received
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+  * @retval status
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+  */
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+USBD_StatusTypeDef USBD_CtlContinueRx(USBD_HandleTypeDef *pdev,
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+                                      uint8_t *pbuf, uint32_t len)
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+{
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+  (void)USBD_LL_PrepareReceive(pdev, 0U, pbuf, len);
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+
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+  return USBD_OK;
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+}
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+
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+/**
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+  * @brief  USBD_CtlSendStatus
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+  *         send zero lzngth packet on the ctl pipe
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+  * @param  pdev: device instance
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+  * @retval status
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+  */
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+USBD_StatusTypeDef USBD_CtlSendStatus(USBD_HandleTypeDef *pdev)
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+{
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+  /* Set EP0 State */
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+  pdev->ep0_state = USBD_EP0_STATUS_IN;
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+
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+  /* Start the transfer */
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+  (void)USBD_LL_Transmit(pdev, 0x00U, NULL, 0U);
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+
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+  return USBD_OK;
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+}
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+
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+/**
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+  * @brief  USBD_CtlReceiveStatus
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+  *         receive zero lzngth packet on the ctl pipe
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+  * @param  pdev: device instance
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+  * @retval status
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+  */
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+USBD_StatusTypeDef USBD_CtlReceiveStatus(USBD_HandleTypeDef *pdev)
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+{
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+  /* Set EP0 State */
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+  pdev->ep0_state = USBD_EP0_STATUS_OUT;
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+
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+  /* Start the transfer */
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+  (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U);
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+
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+  return USBD_OK;
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+}
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+
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+/**
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+  * @brief  USBD_GetRxCount
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+  *         returns the received data length
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+  * @param  pdev: device instance
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+  * @param  ep_addr: endpoint address
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+  * @retval Rx Data blength
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+  */
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+uint32_t USBD_GetRxCount(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
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+{
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+  return USBD_LL_GetRxDataSize(pdev, ep_addr);
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+}
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+
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+/**
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+  * @}
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+  */
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+
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+
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+/**
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+  * @}
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+  */
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+
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+
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+/**
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+  * @}
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+  */
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+