diskio.h

Go to the documentation of this file.

/*-----------------------------------------------------------------------
/  Low level disk interface modlue include file  R0.07   (C)ChaN, 2009
/-----------------------------------------------------------------------*/

#ifndef _DISKIO

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

#include "integer.h"

#define CT_MMC 0x01
#define CT_SD1 0x02
#define CT_SD2 0x04
#define CT_SDC (CT_SD1|CT_SD2)
#define CT_BLOCK 0x08



/* 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 */

BOOL assign_drives (int argc, char *argv[]);
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*);



/* 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() */

/* Generic command */
#define CTRL_SYNC                       0       /* Mandatory for write functions */
#define GET_SECTOR_COUNT        1       /* Mandatory for only f_mkfs() */
#define GET_SECTOR_SIZE         2       /* Mandatory for multiple sector size cfg */
#define GET_BLOCK_SIZE          3       /* Mandatory for only f_mkfs() */
#define CTRL_POWER                      4
#define CTRL_LOCK                       5
#define CTRL_EJECT                      6
/* MMC/SDC command */
#define MMC_GET_TYPE            10
#define MMC_GET_CSD                     11
#define MMC_GET_CID                     12
#define MMC_GET_OCR                     13
#define MMC_GET_SDSTAT          14
/* ATA/CF command */
#define ATA_GET_REV                     20
#define ATA_GET_MODEL           21
#define ATA_GET_SN                      22


#define _DISKIO
#endif