kopia lustrzana https://github.com/solokeys/solo1
160 wiersze
5.3 KiB
C
160 wiersze
5.3 KiB
C
/**
|
|
******************************************************************************
|
|
* @file usbd_ioreq.c
|
|
* @author MCD Application Team
|
|
* @brief This file provides the IO requests APIs for control endpoints.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V.
|
|
* All rights reserved.</center></h2>
|
|
*
|
|
* 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_ioreq.h"
|
|
|
|
|
|
/**
|
|
* @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;
|
|
}
|