Release v2.5.1

Core/Src/usbd_ioreq.c

@@ -0,0 +1,216 @@
+/**
+  ******************************************************************************
+  * @file    usbd_ioreq.c
+  * @author  MCD Application Team
+  * @brief   This file provides the IO requests APIs for control endpoints.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2015 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                      http://www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+  * @{
+  */
+
+
+/** @defgroup USBD_IOREQ
+  * @brief control I/O requests module
+  * @{
+  */
+
+/** @defgroup USBD_IOREQ_Private_TypesDefinitions
+  * @{
+  */
+/**
+  * @}
+  */
+
+
+/** @defgroup USBD_IOREQ_Private_Defines
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+
+/** @defgroup USBD_IOREQ_Private_Macros
+  * @{
+  */
+/**
+  * @}
+  */
+
+
+/** @defgroup USBD_IOREQ_Private_Variables
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+
+/** @defgroup USBD_IOREQ_Private_FunctionPrototypes
+  * @{
+  */
+/**
+  * @}
+  */
+
+
+/** @defgroup USBD_IOREQ_Private_Functions
+  * @{
+  */
+
+/**
+* @brief  USBD_CtlSendData
+*         send data on the ctl pipe
+* @param  pdev: device instance
+* @param  buff: pointer to data buffer
+* @param  len: length of data to be sent
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlSendData (USBD_HandleTypeDef *pdev, uint8_t *pbuf,
+                                     uint16_t len)
+{
+  /* Set EP0 State */
+  pdev->ep0_state = USBD_EP0_DATA_IN;
+  pdev->ep_in[0].total_length = len;
+  pdev->ep_in[0].rem_length   = len;
+
+ /* Start the transfer */
+  USBD_LL_Transmit (pdev, 0x00U, pbuf, len);
+
+  return USBD_OK;
+}
+
+/**
+* @brief  USBD_CtlContinueSendData
+*         continue sending data on the ctl pipe
+* @param  pdev: device instance
+* @param  buff: pointer to data buffer
+* @param  len: length of data to be sent
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlContinueSendData (USBD_HandleTypeDef *pdev,
+                                             uint8_t *pbuf, uint16_t len)
+{
+ /* Start the next transfer */
+  USBD_LL_Transmit (pdev, 0x00U, pbuf, len);
+
+  return USBD_OK;
+}
+
+/**
+* @brief  USBD_CtlPrepareRx
+*         receive data on the ctl pipe
+* @param  pdev: device instance
+* @param  buff: pointer to data buffer
+* @param  len: length of data to be received
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlPrepareRx (USBD_HandleTypeDef *pdev, uint8_t *pbuf,
+                                      uint16_t len)
+{
+  /* Set EP0 State */
+  pdev->ep0_state = USBD_EP0_DATA_OUT;
+  pdev->ep_out[0].total_length = len;
+  pdev->ep_out[0].rem_length   = len;
+
+  /* Start the transfer */
+  USBD_LL_PrepareReceive (pdev, 0U, pbuf, len);
+
+  return USBD_OK;
+}
+
+/**
+* @brief  USBD_CtlContinueRx
+*         continue receive data on the ctl pipe
+* @param  pdev: device instance
+* @param  buff: pointer to data buffer
+* @param  len: length of data to be received
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlContinueRx (USBD_HandleTypeDef *pdev, uint8_t *pbuf,
+                                       uint16_t len)
+{
+  USBD_LL_PrepareReceive(pdev, 0U, pbuf, len);
+
+  return USBD_OK;
+}
+
+/**
+* @brief  USBD_CtlSendStatus
+*         send zero lzngth packet on the ctl pipe
+* @param  pdev: device instance
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlSendStatus (USBD_HandleTypeDef *pdev)
+{
+  /* Set EP0 State */
+  pdev->ep0_state = USBD_EP0_STATUS_IN;
+
+  /* Start the transfer */
+  USBD_LL_Transmit(pdev, 0x00U, NULL, 0U);
+
+  return USBD_OK;
+}
+
+/**
+* @brief  USBD_CtlReceiveStatus
+*         receive zero lzngth packet on the ctl pipe
+* @param  pdev: device instance
+* @retval status
+*/
+USBD_StatusTypeDef USBD_CtlReceiveStatus (USBD_HandleTypeDef *pdev)
+{
+  /* Set EP0 State */
+  pdev->ep0_state = USBD_EP0_STATUS_OUT;
+
+ /* Start the transfer */
+  USBD_LL_PrepareReceive (pdev, 0U, NULL, 0U);
+
+  return USBD_OK;
+}
+
+/**
+* @brief  USBD_GetRxCount
+*         returns the received data length
+* @param  pdev: device instance
+* @param  ep_addr: endpoint address
+* @retval Rx Data blength
+*/
+uint32_t USBD_GetRxCount (USBD_HandleTypeDef *pdev, uint8_t ep_addr)
+{
+  return USBD_LL_GetRxDataSize(pdev, ep_addr);
+}
+
+/**
+  * @}
+  */
+
+
+/**
+  * @}
+  */
+
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/