diskio.h

/*-----------------------------------------------------------------------
/  Low level disk interface modlue include file  R0.04a   (C)ChaN, 2007
/-----------------------------------------------------------------------*/

#ifndef _DISKIO

#define _READONLY       0       /* 1: Read-only mode */

#include "integer.h"


/* Status of Disk Functions */
typedef BYTE    DSTATUS;

/* Results of Disk Functions */
typedef enum {
        RES_OK = 0,             /* 0: Successful */
        RES_ERROR,              /* 1: R/W Error */
        RES_WRPRT,              /* 2: Write Protected */
        RES_NOTRDY,             /* 3: Not Ready */
        RES_PARERR              /* 4: Invalid Parameter */
} DRESULT;


/*---------------------------------------*/
/* Prototypes for disk control functions */

DSTATUS disk_initialize (BYTE);
DSTATUS disk_status (BYTE);
DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
#if     _READONLY == 0
DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
#endif
DRESULT disk_ioctl (BYTE, BYTE, void*);
void    disk_timerproc (void);




/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT              0x01    /* Drive not initialized */
#define STA_NODISK              0x02    /* No medium in the drive */
#define STA_PROTECT             0x04    /* Write protected */


/* Command code for disk_ioctrl() */

#define GET_SECTOR_COUNT        1
#define GET_SECTOR_SIZE         2
#define CTRL_SYNC                       3
#define CTRL_POWER                      4
#define CTRL_LOCK                       5
#define CTRL_EJECT                      6
#define MMC_GET_CSD                     10
#define MMC_GET_CID                     11
#define MMC_GET_OCR                     12
#define ATA_GET_REV                     20
#define ATA_GET_MODEL           21
#define ATA_GET_SN                      22


#define _DISKIO
#endif

---