196 lines
5.4 KiB
C
196 lines
5.4 KiB
C
/* USER CODE BEGIN Header */
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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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* @attention
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*
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* <h2><center>© Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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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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#include "main.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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#define CMD0 64
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#define CMD1 65
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#define ACMD41 105
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#define CMD8 72
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#define CMD9 73
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#define CMD10 74
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#define CMD12 76
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#define CMD16 80
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#define CMD17 81
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#define CMD18 82
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#define CMD23 87
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#define ACMD23 87
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#define CMD24 88
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#define CMD25 89
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#define CMD55 119
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#define CMD58 122
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#define SD_SPI_TIMEOUT 200
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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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SPI_HandleTypeDef *sdspi;
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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 SPI_SD_Init(pdrv);
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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 number 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 SPI_SD_Status(pdrv);
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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 SPI_SD_Read(pdrv, buff, sector, count);
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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 SPI_SD_Write(pdrv,buff,sector,count);
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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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res = RES_OK;
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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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