we use l432, not l442
This commit is contained in:
Nicolas Stalder
874
targets/stm32l432/lib/usbd/usbd_ctlreq.c
Normal file
874
targets/stm32l432/lib/usbd/usbd_ctlreq.c
Normal file
@ -0,0 +1,874 @@
|
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/**
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******************************************************************************
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* @file usbd_req.c
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* @author MCD Application Team
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* @brief This file provides the standard USB requests following chapter 9.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.</center></h2>
|
||||
*
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||||
* 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.
|
||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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||||
* 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,
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||||
* 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,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "usbd_ctlreq.h"
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#include "usbd_ioreq.h"
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/** @addtogroup STM32_USBD_STATE_DEVICE_LIBRARY
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* @{
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*/
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/** @defgroup USBD_REQ
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* @brief USB standard requests module
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* @{
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*/
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/** @defgroup USBD_REQ_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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/** @defgroup USBD_REQ_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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/** @defgroup USBD_REQ_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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/** @defgroup USBD_REQ_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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/** @defgroup USBD_REQ_Private_FunctionPrototypes
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* @{
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*/
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static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev ,
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USBD_SetupReqTypedef *req);
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static void USBD_SetAddress(USBD_HandleTypeDef *pdev ,
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USBD_SetupReqTypedef *req);
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static void USBD_SetConfig(USBD_HandleTypeDef *pdev ,
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USBD_SetupReqTypedef *req);
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static void USBD_GetConfig(USBD_HandleTypeDef *pdev ,
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USBD_SetupReqTypedef *req);
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static void USBD_GetStatus(USBD_HandleTypeDef *pdev ,
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USBD_SetupReqTypedef *req);
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static void USBD_SetFeature(USBD_HandleTypeDef *pdev ,
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USBD_SetupReqTypedef *req);
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static void USBD_ClrFeature(USBD_HandleTypeDef *pdev ,
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USBD_SetupReqTypedef *req);
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static uint8_t USBD_GetLen(uint8_t *buf);
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/**
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* @}
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*/
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/** @defgroup USBD_REQ_Private_Functions
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* @{
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*/
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/**
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* @brief USBD_StdDevReq
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* Handle standard usb device requests
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* @param pdev: device instance
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* @param req: usb request
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* @retval status
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*/
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USBD_StatusTypeDef USBD_StdDevReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef *req)
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{
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USBD_StatusTypeDef ret = USBD_OK;
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switch (req->bmRequest & USB_REQ_TYPE_MASK)
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{
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case USB_REQ_TYPE_CLASS:
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case USB_REQ_TYPE_VENDOR:
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pdev->pClass->Setup(pdev, req);
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break;
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case USB_REQ_TYPE_STANDARD:
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switch (req->bRequest)
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{
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case USB_REQ_GET_DESCRIPTOR:
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USBD_GetDescriptor (pdev, req);
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break;
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case USB_REQ_SET_ADDRESS:
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USBD_SetAddress (pdev, req);
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break;
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case USB_REQ_SET_CONFIGURATION:
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USBD_SetConfig (pdev, req);
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break;
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case USB_REQ_GET_CONFIGURATION:
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USBD_GetConfig (pdev, req);
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break;
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case USB_REQ_GET_STATUS:
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USBD_GetStatus (pdev, req);
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break;
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case USB_REQ_SET_FEATURE:
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USBD_SetFeature (pdev, req);
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break;
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case USB_REQ_CLEAR_FEATURE:
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USBD_ClrFeature (pdev, req);
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break;
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default:
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USBD_CtlError(pdev, req);
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break;
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}
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break;
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default:
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USBD_CtlError(pdev, req);
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break;
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}
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return ret;
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}
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/**
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* @brief USBD_StdItfReq
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* Handle standard usb interface requests
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* @param pdev: device instance
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* @param req: usb request
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||||
* @retval status
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||||
*/
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USBD_StatusTypeDef USBD_StdItfReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef *req)
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{
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USBD_StatusTypeDef ret = USBD_OK;
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switch (req->bmRequest & USB_REQ_TYPE_MASK)
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{
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case USB_REQ_TYPE_CLASS:
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case USB_REQ_TYPE_VENDOR:
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case USB_REQ_TYPE_STANDARD:
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switch (pdev->dev_state)
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{
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case USBD_STATE_DEFAULT:
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case USBD_STATE_ADDRESSED:
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case USBD_STATE_CONFIGURED:
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if (LOBYTE(req->wIndex) <= USBD_MAX_NUM_INTERFACES)
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{
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ret = (USBD_StatusTypeDef)pdev->pClass->Setup (pdev, req);
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if ((req->wLength == 0U) && (ret == USBD_OK))
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{
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USBD_CtlSendStatus(pdev);
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}
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}
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else
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{
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USBD_CtlError(pdev, req);
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||||
}
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break;
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default:
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USBD_CtlError(pdev, req);
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break;
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||||
}
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break;
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default:
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||||
USBD_CtlError(pdev, req);
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break;
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}
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return USBD_OK;
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}
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/**
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* @brief USBD_StdEPReq
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* Handle standard usb endpoint requests
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* @param pdev: device instance
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* @param req: usb request
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* @retval status
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*/
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USBD_StatusTypeDef USBD_StdEPReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef *req)
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{
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uint8_t ep_addr;
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USBD_StatusTypeDef ret = USBD_OK;
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USBD_EndpointTypeDef *pep;
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ep_addr = LOBYTE(req->wIndex);
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switch (req->bmRequest & USB_REQ_TYPE_MASK)
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{
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case USB_REQ_TYPE_CLASS:
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case USB_REQ_TYPE_VENDOR:
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pdev->pClass->Setup (pdev, req);
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break;
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case USB_REQ_TYPE_STANDARD:
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/* Check if it is a class request */
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if ((req->bmRequest & 0x60U) == 0x20U)
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{
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ret = (USBD_StatusTypeDef)pdev->pClass->Setup (pdev, req);
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return ret;
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}
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switch (req->bRequest)
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{
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case USB_REQ_SET_FEATURE :
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switch (pdev->dev_state)
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{
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case USBD_STATE_ADDRESSED:
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if ((ep_addr != 0x00U) && (ep_addr != 0x80U))
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{
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USBD_LL_StallEP(pdev, ep_addr);
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USBD_LL_StallEP(pdev, 0x80U);
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}
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else
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{
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USBD_CtlError(pdev, req);
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}
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break;
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case USBD_STATE_CONFIGURED:
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if (req->wValue == USB_FEATURE_EP_HALT)
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{
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if ((ep_addr != 0x00U) && (ep_addr != 0x80U) && (req->wLength == 0x00U))
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{
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USBD_LL_StallEP(pdev, ep_addr);
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}
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}
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USBD_CtlSendStatus(pdev);
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break;
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default:
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USBD_CtlError(pdev, req);
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||||
break;
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||||
}
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break;
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case USB_REQ_CLEAR_FEATURE :
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||||
switch (pdev->dev_state)
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{
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||||
case USBD_STATE_ADDRESSED:
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if ((ep_addr != 0x00U) && (ep_addr != 0x80U))
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{
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USBD_LL_StallEP(pdev, ep_addr);
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USBD_LL_StallEP(pdev, 0x80U);
|
||||
}
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||||
else
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{
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USBD_CtlError(pdev, req);
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||||
}
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break;
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||||
case USBD_STATE_CONFIGURED:
|
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if (req->wValue == USB_FEATURE_EP_HALT)
|
||||
{
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||||
if ((ep_addr & 0x7FU) != 0x00U)
|
||||
{
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||||
USBD_LL_ClearStallEP(pdev, ep_addr);
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||||
}
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USBD_CtlSendStatus(pdev);
|
||||
}
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||||
break;
|
||||
|
||||
default:
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case USB_REQ_GET_STATUS:
|
||||
switch (pdev->dev_state)
|
||||
{
|
||||
case USBD_STATE_ADDRESSED:
|
||||
if ((ep_addr != 0x00U) && (ep_addr != 0x80U))
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
pep = ((ep_addr & 0x80U) == 0x80U) ? &pdev->ep_in[ep_addr & 0x7FU]:\
|
||||
&pdev->ep_out[ep_addr & 0x7FU];
|
||||
|
||||
pep->status = 0x0000U;
|
||||
|
||||
USBD_CtlSendData (pdev, (uint8_t *)(void *)&pep->status, 2U);
|
||||
break;
|
||||
|
||||
case USBD_STATE_CONFIGURED:
|
||||
if((ep_addr & 0x80U) == 0x80U)
|
||||
{
|
||||
if (pdev->ep_in[ep_addr & 0xFU].is_used == 0U)
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (pdev->ep_out[ep_addr & 0xFU].is_used == 0U)
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
pep = ((ep_addr & 0x80U) == 0x80U) ? &pdev->ep_in[ep_addr & 0x7FU]:\
|
||||
&pdev->ep_out[ep_addr & 0x7FU];
|
||||
|
||||
if ((ep_addr == 0x00U) || (ep_addr == 0x80U))
|
||||
{
|
||||
pep->status = 0x0000U;
|
||||
}
|
||||
else if(USBD_LL_IsStallEP(pdev, ep_addr))
|
||||
{
|
||||
pep->status = 0x0001U;
|
||||
}
|
||||
else
|
||||
{
|
||||
pep->status = 0x0000U;
|
||||
}
|
||||
|
||||
USBD_CtlSendData (pdev, (uint8_t *)(void *)&pep->status, 2U);
|
||||
break;
|
||||
|
||||
default:
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
/**
|
||||
* @brief USBD_GetDescriptor
|
||||
* Handle Get Descriptor requests
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval status
|
||||
*/
|
||||
static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev ,
|
||||
USBD_SetupReqTypedef *req)
|
||||
{
|
||||
uint16_t len;
|
||||
uint8_t *pbuf;
|
||||
|
||||
|
||||
switch (req->wValue >> 8)
|
||||
{
|
||||
#if (USBD_LPM_ENABLED == 1U)
|
||||
case USB_DESC_TYPE_BOS:
|
||||
pbuf = pdev->pDesc->GetBOSDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
#endif
|
||||
case USB_DESC_TYPE_DEVICE:
|
||||
pbuf = pdev->pDesc->GetDeviceDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
|
||||
case USB_DESC_TYPE_CONFIGURATION:
|
||||
if(pdev->dev_speed == USBD_SPEED_HIGH )
|
||||
{
|
||||
pbuf = (uint8_t *)pdev->pClass->GetHSConfigDescriptor(&len);
|
||||
pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
|
||||
}
|
||||
else
|
||||
{
|
||||
pbuf = (uint8_t *)pdev->pClass->GetFSConfigDescriptor(&len);
|
||||
pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
|
||||
}
|
||||
break;
|
||||
|
||||
case USB_DESC_TYPE_STRING:
|
||||
switch ((uint8_t)(req->wValue))
|
||||
{
|
||||
case USBD_IDX_LANGID_STR:
|
||||
pbuf = pdev->pDesc->GetLangIDStrDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
|
||||
case USBD_IDX_MFC_STR:
|
||||
pbuf = pdev->pDesc->GetManufacturerStrDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
|
||||
case USBD_IDX_PRODUCT_STR:
|
||||
pbuf = pdev->pDesc->GetProductStrDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
|
||||
case USBD_IDX_SERIAL_STR:
|
||||
pbuf = pdev->pDesc->GetSerialStrDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
|
||||
case USBD_IDX_CONFIG_STR:
|
||||
pbuf = pdev->pDesc->GetConfigurationStrDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
|
||||
case USBD_IDX_INTERFACE_STR:
|
||||
pbuf = pdev->pDesc->GetInterfaceStrDescriptor(pdev->dev_speed, &len);
|
||||
break;
|
||||
|
||||
default:
|
||||
#if (USBD_SUPPORT_USER_STRING == 1U)
|
||||
pbuf = pdev->pClass->GetUsrStrDescriptor(pdev, (req->wValue) , &len);
|
||||
break;
|
||||
#else
|
||||
USBD_CtlError(pdev , req);
|
||||
return;
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
case USB_DESC_TYPE_DEVICE_QUALIFIER:
|
||||
|
||||
if(pdev->dev_speed == USBD_SPEED_HIGH)
|
||||
{
|
||||
pbuf = (uint8_t *)pdev->pClass->GetDeviceQualifierDescriptor(&len);
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
USBD_CtlError(pdev , req);
|
||||
return;
|
||||
}
|
||||
|
||||
case USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION:
|
||||
if(pdev->dev_speed == USBD_SPEED_HIGH )
|
||||
{
|
||||
pbuf = (uint8_t *)pdev->pClass->GetOtherSpeedConfigDescriptor(&len);
|
||||
pbuf[1] = USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
USBD_CtlError(pdev , req);
|
||||
return;
|
||||
}
|
||||
|
||||
default:
|
||||
USBD_CtlError(pdev , req);
|
||||
return;
|
||||
}
|
||||
|
||||
if((len != 0U) && (req->wLength != 0U))
|
||||
{
|
||||
|
||||
len = MIN(len, req->wLength);
|
||||
|
||||
USBD_CtlSendData (pdev, pbuf, len);
|
||||
}
|
||||
|
||||
if(req->wLength == 0U)
|
||||
{
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief USBD_SetAddress
|
||||
* Set device address
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval status
|
||||
*/
|
||||
static void USBD_SetAddress(USBD_HandleTypeDef *pdev ,
|
||||
USBD_SetupReqTypedef *req)
|
||||
{
|
||||
uint8_t dev_addr;
|
||||
|
||||
if ((req->wIndex == 0U) && (req->wLength == 0U) && (req->wValue < 128U))
|
||||
{
|
||||
dev_addr = (uint8_t)(req->wValue) & 0x7FU;
|
||||
|
||||
if (pdev->dev_state == USBD_STATE_CONFIGURED)
|
||||
{
|
||||
USBD_CtlError(pdev , req);
|
||||
}
|
||||
else
|
||||
{
|
||||
pdev->dev_address = dev_addr;
|
||||
USBD_LL_SetUSBAddress(pdev, dev_addr);
|
||||
USBD_CtlSendStatus(pdev);
|
||||
|
||||
if (dev_addr != 0U)
|
||||
{
|
||||
pdev->dev_state = USBD_STATE_ADDRESSED;
|
||||
}
|
||||
else
|
||||
{
|
||||
pdev->dev_state = USBD_STATE_DEFAULT;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief USBD_SetConfig
|
||||
* Handle Set device configuration request
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval status
|
||||
*/
|
||||
static void USBD_SetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
|
||||
{
|
||||
static uint8_t cfgidx;
|
||||
|
||||
cfgidx = (uint8_t)(req->wValue);
|
||||
|
||||
if (cfgidx > USBD_MAX_NUM_CONFIGURATION)
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
}
|
||||
else
|
||||
{
|
||||
switch (pdev->dev_state)
|
||||
{
|
||||
case USBD_STATE_ADDRESSED:
|
||||
if (cfgidx)
|
||||
{
|
||||
pdev->dev_config = cfgidx;
|
||||
pdev->dev_state = USBD_STATE_CONFIGURED;
|
||||
if(USBD_SetClassConfig(pdev, cfgidx) == USBD_FAIL)
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
return;
|
||||
}
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
else
|
||||
{
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
break;
|
||||
|
||||
case USBD_STATE_CONFIGURED:
|
||||
if (cfgidx == 0U)
|
||||
{
|
||||
pdev->dev_state = USBD_STATE_ADDRESSED;
|
||||
pdev->dev_config = cfgidx;
|
||||
USBD_ClrClassConfig(pdev, cfgidx);
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
else if (cfgidx != pdev->dev_config)
|
||||
{
|
||||
/* Clear old configuration */
|
||||
USBD_ClrClassConfig(pdev, (uint8_t)pdev->dev_config);
|
||||
|
||||
/* set new configuration */
|
||||
pdev->dev_config = cfgidx;
|
||||
if(USBD_SetClassConfig(pdev, cfgidx) == USBD_FAIL)
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
return;
|
||||
}
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
else
|
||||
{
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
USBD_CtlError(pdev, req);
|
||||
USBD_ClrClassConfig(pdev, cfgidx);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief USBD_GetConfig
|
||||
* Handle Get device configuration request
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval status
|
||||
*/
|
||||
static void USBD_GetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
|
||||
{
|
||||
if (req->wLength != 1U)
|
||||
{
|
||||
USBD_CtlError(pdev , req);
|
||||
}
|
||||
else
|
||||
{
|
||||
switch (pdev->dev_state)
|
||||
{
|
||||
case USBD_STATE_DEFAULT:
|
||||
case USBD_STATE_ADDRESSED:
|
||||
pdev->dev_default_config = 0U;
|
||||
USBD_CtlSendData (pdev, (uint8_t *)(void *)&pdev->dev_default_config, 1U);
|
||||
break;
|
||||
|
||||
case USBD_STATE_CONFIGURED:
|
||||
USBD_CtlSendData (pdev, (uint8_t *)(void *)&pdev->dev_config, 1U);
|
||||
break;
|
||||
|
||||
default:
|
||||
USBD_CtlError(pdev , req);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief USBD_GetStatus
|
||||
* Handle Get Status request
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval status
|
||||
*/
|
||||
static void USBD_GetStatus(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
|
||||
{
|
||||
switch (pdev->dev_state)
|
||||
{
|
||||
case USBD_STATE_DEFAULT:
|
||||
case USBD_STATE_ADDRESSED:
|
||||
case USBD_STATE_CONFIGURED:
|
||||
if(req->wLength != 0x2U)
|
||||
{
|
||||
USBD_CtlError(pdev, req);
|
||||
break;
|
||||
}
|
||||
|
||||
#if ( USBD_SELF_POWERED == 1U)
|
||||
pdev->dev_config_status = USB_CONFIG_SELF_POWERED;
|
||||
#else
|
||||
pdev->dev_config_status = 0U;
|
||||
#endif
|
||||
|
||||
if (pdev->dev_remote_wakeup)
|
||||
{
|
||||
pdev->dev_config_status |= USB_CONFIG_REMOTE_WAKEUP;
|
||||
}
|
||||
|
||||
USBD_CtlSendData (pdev, (uint8_t *)(void *)&pdev->dev_config_status, 2U);
|
||||
break;
|
||||
|
||||
default :
|
||||
USBD_CtlError(pdev , req);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief USBD_SetFeature
|
||||
* Handle Set device feature request
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval status
|
||||
*/
|
||||
static void USBD_SetFeature(USBD_HandleTypeDef *pdev ,
|
||||
USBD_SetupReqTypedef *req)
|
||||
{
|
||||
|
||||
if (req->wValue == USB_FEATURE_REMOTE_WAKEUP)
|
||||
{
|
||||
pdev->dev_remote_wakeup = 1U;
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief USBD_ClrFeature
|
||||
* Handle clear device feature request
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval status
|
||||
*/
|
||||
static void USBD_ClrFeature(USBD_HandleTypeDef *pdev ,
|
||||
USBD_SetupReqTypedef *req)
|
||||
{
|
||||
switch (pdev->dev_state)
|
||||
{
|
||||
case USBD_STATE_DEFAULT:
|
||||
case USBD_STATE_ADDRESSED:
|
||||
case USBD_STATE_CONFIGURED:
|
||||
if (req->wValue == USB_FEATURE_REMOTE_WAKEUP)
|
||||
{
|
||||
pdev->dev_remote_wakeup = 0U;
|
||||
USBD_CtlSendStatus(pdev);
|
||||
}
|
||||
break;
|
||||
|
||||
default :
|
||||
USBD_CtlError(pdev , req);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief USBD_ParseSetupRequest
|
||||
* Copy buffer into setup structure
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval None
|
||||
*/
|
||||
|
||||
void USBD_ParseSetupRequest(USBD_SetupReqTypedef *req, uint8_t *pdata)
|
||||
{
|
||||
req->bmRequest = *(uint8_t *) (pdata);
|
||||
req->bRequest = *(uint8_t *) (pdata + 1);
|
||||
req->wValue = SWAPBYTE (pdata + 2);
|
||||
req->wIndex = SWAPBYTE (pdata + 4);
|
||||
req->wLength = SWAPBYTE (pdata + 6);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief USBD_CtlError
|
||||
* Handle USB low level Error
|
||||
* @param pdev: device instance
|
||||
* @param req: usb request
|
||||
* @retval None
|
||||
*/
|
||||
|
||||
void USBD_CtlError( USBD_HandleTypeDef *pdev ,
|
||||
USBD_SetupReqTypedef *req)
|
||||
{
|
||||
USBD_LL_StallEP(pdev , 0x80U);
|
||||
USBD_LL_StallEP(pdev , 0U);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief USBD_GetString
|
||||
* Convert Ascii string into unicode one
|
||||
* @param desc : descriptor buffer
|
||||
* @param unicode : Formatted string buffer (unicode)
|
||||
* @param len : descriptor length
|
||||
* @retval None
|
||||
*/
|
||||
void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len)
|
||||
{
|
||||
uint8_t idx = 0U;
|
||||
|
||||
if (desc != NULL)
|
||||
{
|
||||
*len = (uint16_t)USBD_GetLen(desc) * 2U + 2U;
|
||||
unicode[idx++] = *(uint8_t *)(void *)len;
|
||||
unicode[idx++] = USB_DESC_TYPE_STRING;
|
||||
|
||||
while (*desc != '\0')
|
||||
{
|
||||
unicode[idx++] = *desc++;
|
||||
unicode[idx++] = 0U;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief USBD_GetLen
|
||||
* return the string length
|
||||
* @param buf : pointer to the ascii string buffer
|
||||
* @retval string length
|
||||
*/
|
||||
static uint8_t USBD_GetLen(uint8_t *buf)
|
||||
{
|
||||
uint8_t len = 0U;
|
||||
|
||||
while (*buf != '\0')
|
||||
{
|
||||
len++;
|
||||
buf++;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
Reference in New Issue
Block a user