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/*-----------------------------------------------------------------------

/  Low level disk interface modlue include file   (C)ChaN, 2009

/-----------------------------------------------------------------------*/

#ifndef _DISKIO

#define _DISKIO

#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 */

int assign_drives (int, int);

DSTATUS disk_initialize (BYTE);

DSTATUS disk_status (BYTE);

DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);

DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);

DRESULT disk_ioctl (BYTE, BYTE, 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 fucntion */

/* Generic command (mandatory for FatFs) */

#define CTRL_SYNC                       0        /* Flush disk cache (for write functions) */

#define GET_SECTOR_COUNT        1       /* Get media size (for only f_mkfs()) */

#define GET_SECTOR_SIZE         2       /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */

#define GET_BLOCK_SIZE          3       /* Get erase block size (for only f_mkfs()) */

#endif