230 lines
6.4 KiB
C
230 lines
6.4 KiB
C
/* USER CODE BEGIN Header */
|
|
/**
|
|
******************************************************************************
|
|
* @file user_diskio.c
|
|
* @brief This file includes a diskio driver skeleton to be completed by the user.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© Copyright (c) 2020 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:
|
|
* www.st.com/SLA0044
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
/* USER CODE END Header */
|
|
|
|
#ifdef USE_OBSOLETE_USER_CODE_SECTION_0
|
|
/*
|
|
* Warning: the user section 0 is no more in use (starting from CubeMx version 4.16.0)
|
|
* To be suppressed in the future.
|
|
* Kept to ensure backward compatibility with previous CubeMx versions when
|
|
* migrating projects.
|
|
* User code previously added there should be copied in the new user sections before
|
|
* the section contents can be deleted.
|
|
*/
|
|
/* USER CODE BEGIN 0 */
|
|
/* USER CODE END 0 */
|
|
#endif
|
|
|
|
/* USER CODE BEGIN DECL */
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "user_diskio.h"
|
|
#include "spi.h"
|
|
#include "api-hal-spi.h"
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* Private define ------------------------------------------------------------*/
|
|
|
|
/* Private variables ---------------------------------------------------------*/
|
|
/* Disk status */
|
|
static volatile DSTATUS Stat = STA_NOINIT;
|
|
|
|
static DSTATUS User_CheckStatus(BYTE lun) {
|
|
Stat = STA_NOINIT;
|
|
if(BSP_SD_GetCardState() == MSD_OK) {
|
|
Stat &= ~STA_NOINIT;
|
|
}
|
|
|
|
return Stat;
|
|
}
|
|
/* USER CODE END DECL */
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
DSTATUS USER_initialize(BYTE pdrv);
|
|
DSTATUS USER_status(BYTE pdrv);
|
|
DRESULT USER_read(BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
|
|
#if _USE_WRITE == 1
|
|
DRESULT USER_write(BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
|
|
#endif /* _USE_WRITE == 1 */
|
|
#if _USE_IOCTL == 1
|
|
DRESULT USER_ioctl(BYTE pdrv, BYTE cmd, void* buff);
|
|
#endif /* _USE_IOCTL == 1 */
|
|
|
|
Diskio_drvTypeDef USER_Driver = {
|
|
USER_initialize,
|
|
USER_status,
|
|
USER_read,
|
|
#if _USE_WRITE
|
|
USER_write,
|
|
#endif /* _USE_WRITE == 1 */
|
|
#if _USE_IOCTL == 1
|
|
USER_ioctl,
|
|
#endif /* _USE_IOCTL == 1 */
|
|
};
|
|
|
|
/* Private functions ---------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Initializes a Drive
|
|
* @param pdrv: Physical drive number (0..)
|
|
* @retval DSTATUS: Operation status
|
|
*/
|
|
DSTATUS USER_initialize(BYTE pdrv) {
|
|
/* USER CODE BEGIN INIT */
|
|
// TODO: SPI manager
|
|
api_hal_spi_lock(&SPI_SD_HANDLE);
|
|
|
|
DSTATUS status = User_CheckStatus(pdrv);
|
|
|
|
// TODO: SPI manager
|
|
api_hal_spi_unlock(&SPI_SD_HANDLE);
|
|
|
|
return status;
|
|
/* USER CODE END INIT */
|
|
}
|
|
|
|
/**
|
|
* @brief Gets Disk Status
|
|
* @param pdrv: Physical drive number (0..)
|
|
* @retval DSTATUS: Operation status
|
|
*/
|
|
DSTATUS USER_status(BYTE pdrv) {
|
|
/* USER CODE BEGIN STATUS */
|
|
return Stat;
|
|
/* USER CODE END STATUS */
|
|
}
|
|
|
|
/**
|
|
* @brief Reads Sector(s)
|
|
* @param pdrv: Physical drive number (0..)
|
|
* @param *buff: Data buffer to store read data
|
|
* @param sector: Sector address (LBA)
|
|
* @param count: Number of sectors to read (1..128)
|
|
* @retval DRESULT: Operation result
|
|
*/
|
|
DRESULT USER_read(BYTE pdrv, BYTE* buff, DWORD sector, UINT count) {
|
|
/* USER CODE BEGIN READ */
|
|
DRESULT res = RES_ERROR;
|
|
|
|
// TODO: SPI manager
|
|
api_hal_spi_lock(&SPI_SD_HANDLE);
|
|
|
|
if(BSP_SD_ReadBlocks((uint32_t*)buff, (uint32_t)(sector), count, SD_DATATIMEOUT) == MSD_OK) {
|
|
/* wait until the read operation is finished */
|
|
while(BSP_SD_GetCardState() != MSD_OK) {
|
|
}
|
|
res = RES_OK;
|
|
}
|
|
|
|
// TODO: SPI manager
|
|
api_hal_spi_unlock(&SPI_SD_HANDLE);
|
|
|
|
return res;
|
|
/* USER CODE END READ */
|
|
}
|
|
|
|
/**
|
|
* @brief Writes Sector(s)
|
|
* @param pdrv: Physical drive number (0..)
|
|
* @param *buff: Data to be written
|
|
* @param sector: Sector address (LBA)
|
|
* @param count: Number of sectors to write (1..128)
|
|
* @retval DRESULT: Operation result
|
|
*/
|
|
#if _USE_WRITE == 1
|
|
DRESULT USER_write(BYTE pdrv, const BYTE* buff, DWORD sector, UINT count) {
|
|
/* USER CODE BEGIN WRITE */
|
|
/* USER CODE HERE */
|
|
DRESULT res = RES_ERROR;
|
|
|
|
// TODO: SPI manager
|
|
api_hal_spi_lock(&SPI_SD_HANDLE);
|
|
|
|
if(BSP_SD_WriteBlocks((uint32_t*)buff, (uint32_t)(sector), count, SD_DATATIMEOUT) == MSD_OK) {
|
|
/* wait until the Write operation is finished */
|
|
while(BSP_SD_GetCardState() != MSD_OK) {
|
|
}
|
|
res = RES_OK;
|
|
}
|
|
|
|
// TODO: SPI manager
|
|
api_hal_spi_unlock(&SPI_SD_HANDLE);
|
|
|
|
return res;
|
|
/* USER CODE END WRITE */
|
|
}
|
|
#endif /* _USE_WRITE == 1 */
|
|
|
|
/**
|
|
* @brief I/O control operation
|
|
* @param pdrv: Physical drive number (0..)
|
|
* @param cmd: Control code
|
|
* @param *buff: Buffer to send/receive control data
|
|
* @retval DRESULT: Operation result
|
|
*/
|
|
#if _USE_IOCTL == 1
|
|
DRESULT USER_ioctl(BYTE pdrv, BYTE cmd, void* buff) {
|
|
/* USER CODE BEGIN IOCTL */
|
|
DRESULT res = RES_ERROR;
|
|
BSP_SD_CardInfo CardInfo;
|
|
|
|
if(Stat & STA_NOINIT) return RES_NOTRDY;
|
|
|
|
// TODO: SPI manager
|
|
api_hal_spi_lock(&SPI_SD_HANDLE);
|
|
|
|
switch(cmd) {
|
|
/* Make sure that no pending write process */
|
|
case CTRL_SYNC:
|
|
res = RES_OK;
|
|
break;
|
|
|
|
/* Get number of sectors on the disk (DWORD) */
|
|
case GET_SECTOR_COUNT:
|
|
BSP_SD_GetCardInfo(&CardInfo);
|
|
*(DWORD*)buff = CardInfo.LogBlockNbr;
|
|
res = RES_OK;
|
|
break;
|
|
|
|
/* Get R/W sector size (WORD) */
|
|
case GET_SECTOR_SIZE:
|
|
BSP_SD_GetCardInfo(&CardInfo);
|
|
*(WORD*)buff = CardInfo.LogBlockSize;
|
|
res = RES_OK;
|
|
break;
|
|
|
|
/* Get erase block size in unit of sector (DWORD) */
|
|
case GET_BLOCK_SIZE:
|
|
BSP_SD_GetCardInfo(&CardInfo);
|
|
*(DWORD*)buff = CardInfo.LogBlockSize;
|
|
res = RES_OK;
|
|
break;
|
|
|
|
default:
|
|
res = RES_PARERR;
|
|
}
|
|
|
|
// TODO: SPI manager
|
|
api_hal_spi_unlock(&SPI_SD_HANDLE);
|
|
|
|
return res;
|
|
/* USER CODE END IOCTL */
|
|
}
|
|
#endif /* _USE_IOCTL == 1 */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |