updated chan_fatfs

Dependents:   HARP2 HARP3

Fork of chan_fatfs by Eli Hughes

diskio.h

Committer:
tylerjw
Date:
2012-12-28
Revision:
8:1f9748c6b865
Parent:
3:68eaafe726ac

File content as of revision 8:1f9748c6b865:

/*-----------------------------------------------------------------------
/  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"

/* 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 */

extern bool assign_drives (int argc, char *argv[]);
extern DSTATUS disk_initialize (BYTE);
extern DSTATUS disk_status (BYTE);
extern DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
extern DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
extern DRESULT disk_ioctl (BYTE, BYTE, void*);

extern int _sd_sectors(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