194 lines
6.6 KiB
C
194 lines
6.6 KiB
C
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/**
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******************************************************************************
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* @file user_diskio.c
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* @brief This file includes a diskio driver skeleton to be completed by the user.
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******************************************************************************
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*
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* Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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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
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* 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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#ifdef USE_OBSOLETE_USER_CODE_SECTION_0
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/*
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* Warning: the user section 0 is no more in use (starting from CubeMx version 4.16.0)
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* To be suppressed in the future.
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* Kept to ensure backward compatibility with previous CubeMx versions when
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* migrating projects.
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* User code previously added there should be copied in the new user sections before
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* the section contents can be deleted.
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*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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#endif
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/* USER CODE BEGIN DECL */
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/* Includes ------------------------------------------------------------------*/
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#include <string.h>
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#include "ff_gen_drv.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Disk status */
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static volatile DSTATUS Stat = STA_NOINIT;
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/* USER CODE END DECL */
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/* Private function prototypes -----------------------------------------------*/
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DSTATUS USER_initialize (BYTE pdrv);
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DSTATUS USER_status (BYTE pdrv);
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DRESULT USER_read (BYTE pdrv, BYTE *buff, DWORD sector, UINT count);
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#if _USE_WRITE == 1
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DRESULT USER_write (BYTE pdrv, const BYTE *buff, DWORD sector, UINT count);
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#endif /* _USE_WRITE == 1 */
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#if _USE_IOCTL == 1
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DRESULT USER_ioctl (BYTE pdrv, BYTE cmd, void *buff);
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#endif /* _USE_IOCTL == 1 */
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Diskio_drvTypeDef USER_Driver =
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{
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USER_initialize,
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USER_status,
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USER_read,
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#if _USE_WRITE
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USER_write,
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#endif /* _USE_WRITE == 1 */
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#if _USE_IOCTL == 1
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USER_ioctl,
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#endif /* _USE_IOCTL == 1 */
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};
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Initializes a Drive
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* @param pdrv: Physical drive number (0..)
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* @retval DSTATUS: Operation status
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*/
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DSTATUS USER_initialize (
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BYTE pdrv /* Physical drive nmuber to identify the drive */
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)
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{
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/* USER CODE BEGIN INIT */
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Stat = STA_NOINIT;
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return Stat;
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/* USER CODE END INIT */
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}
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/**
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* @brief Gets Disk Status
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* @param pdrv: Physical drive number (0..)
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* @retval DSTATUS: Operation status
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*/
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DSTATUS USER_status (
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BYTE pdrv /* Physical drive nmuber to identify the drive */
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)
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{
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/* USER CODE BEGIN STATUS */
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Stat = STA_NOINIT;
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return Stat;
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/* USER CODE END STATUS */
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}
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/**
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* @brief Reads Sector(s)
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* @param pdrv: Physical drive number (0..)
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* @param *buff: Data buffer to store read data
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* @param sector: Sector address (LBA)
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* @param count: Number of sectors to read (1..128)
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* @retval DRESULT: Operation result
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*/
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DRESULT USER_read (
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BYTE pdrv, /* Physical drive nmuber to identify the drive */
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BYTE *buff, /* Data buffer to store read data */
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DWORD sector, /* Sector address in LBA */
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UINT count /* Number of sectors to read */
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)
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{
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/* USER CODE BEGIN READ */
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return RES_OK;
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/* USER CODE END READ */
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}
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/**
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* @brief Writes Sector(s)
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* @param pdrv: Physical drive number (0..)
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* @param *buff: Data to be written
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* @param sector: Sector address (LBA)
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* @param count: Number of sectors to write (1..128)
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* @retval DRESULT: Operation result
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*/
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#if _USE_WRITE == 1
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DRESULT USER_write (
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BYTE pdrv, /* Physical drive nmuber to identify the drive */
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const BYTE *buff, /* Data to be written */
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DWORD sector, /* Sector address in LBA */
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UINT count /* Number of sectors to write */
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)
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{
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/* USER CODE BEGIN WRITE */
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/* USER CODE HERE */
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return RES_OK;
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/* USER CODE END WRITE */
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}
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#endif /* _USE_WRITE == 1 */
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/**
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* @brief I/O control operation
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* @param pdrv: Physical drive number (0..)
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* @param cmd: Control code
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* @param *buff: Buffer to send/receive control data
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* @retval DRESULT: Operation result
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*/
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#if _USE_IOCTL == 1
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DRESULT USER_ioctl (
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BYTE pdrv, /* Physical drive nmuber (0..) */
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BYTE cmd, /* Control code */
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void *buff /* Buffer to send/receive control data */
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)
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{
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/* USER CODE BEGIN IOCTL */
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DRESULT res = RES_ERROR;
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return res;
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/* USER CODE END IOCTL */
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}
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#endif /* _USE_IOCTL == 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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