stm32f4-sdio/fatfs/diskio.c
2017-03-31 13:25:42 +02:00

104 lines
3.4 KiB
C

/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2014 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
//Only ONE device with ONE partition!!!
#include <fatfs/diskio.h> /* FatFs lower layer API */
#include "shimatta_sdio_driver/shimatta_sdio-driver.h"
/* Definitions of physical drive number for each drive */
#define SDCARD 0 /* Example: Map ATA harddisk to physical drive 0 */
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status(BYTE pdrv /* Physical drive number to identify the drive */
) {
switch (pdrv) {
case SDCARD:
return SDIO_status();
break;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize(BYTE pdrv /* Physical drive number to identify the drive */
) {
switch (pdrv) {
case SDCARD:
return SDIO_initialize();
break;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read(BYTE pdrv, /* Physical drive number to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to read */
) {
switch (pdrv) {
case SDCARD:
return SDIO_disk_read(buff, sector, count);
break;
}
return RES_PARERR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if _USE_WRITE
DRESULT disk_write(BYTE pdrv, /* Physical drive number to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to write */
) {
switch (pdrv) {
case SDCARD:
return SDIO_disk_write(buff, sector, count);
break;
}
return RES_PARERR;
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL
DRESULT disk_ioctl(BYTE pdrv, /* Physical drive number (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
) {
switch (pdrv) {
case SDCARD:
return SDIO_disk_ioctl(cmd, buff);
break;
}
return RES_PARERR;
}
#endif