105 lines
3.3 KiB
C
105 lines
3.3 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 "diskio.h" /* FatFs lower layer API */
|
||
|
|
//TODO: include meow!
|
||
|
|
|
||
|
|
/* Definitions of physical drive number for each drive */
|
||
|
|
#define SDIO 0 /* Example: Map ATA harddisk to physical drive 0 */
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Get Drive Status */
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
DSTATUS disk_status(BYTE pdrv /* Physical drive nmuber to identify the drive */
|
||
|
|
) {
|
||
|
|
|
||
|
|
switch (pdrv) {
|
||
|
|
case SDIO:
|
||
|
|
return SDIO_status();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return STA_NOINIT;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Inidialize a Drive */
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
DSTATUS disk_initialize(BYTE pdrv /* Physical drive nmuber to identify the drive */
|
||
|
|
) {
|
||
|
|
|
||
|
|
|
||
|
|
switch (pdrv) {
|
||
|
|
case SDIO:
|
||
|
|
return SDIO_initialize();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return STA_NOINIT;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Read Sector(s) */
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
DRESULT disk_read(BYTE pdrv, /* Physical drive nmuber 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 SDIO:
|
||
|
|
return SDIO_disk_read(buff, sector, count);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return RES_PARERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Write Sector(s) */
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
#if _USE_WRITE
|
||
|
|
DRESULT disk_write(BYTE pdrv, /* Physical drive nmuber 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 SDIO:
|
||
|
|
return SDIO_disk_write(buff, sector, count);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return RES_PARERR;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Miscellaneous Functions */
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
#if _USE_IOCTL
|
||
|
|
DRESULT disk_ioctl(BYTE pdrv, /* Physical drive nmuber (0..) */
|
||
|
|
BYTE cmd, /* Control code */
|
||
|
|
void *buff /* Buffer to send/receive control data */
|
||
|
|
) {
|
||
|
|
|
||
|
|
switch (pdrv) {
|
||
|
|
case SDIO:
|
||
|
|
return SDIO_disk_ioctl(cmd, buff);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return RES_PARERR;
|
||
|
|
}
|
||
|
|
#endif
|