diskio.h

00001 /*-----------------------------------------------------------------------
00002 /  Low level disk interface modlue include file  R0.07   (C)ChaN, 2009
00003 /-----------------------------------------------------------------------*/
00004 
00005 #ifndef _DISKIO
00006 
00007 #define _READONLY    0    /* 1: Read-only mode */
00008 #define _USE_IOCTL    1
00009 
00010 #include "integer.h"
00011 
00012 /* Status of Disk Functions */
00013 typedef BYTE    DSTATUS;
00014 
00015 /* Results of Disk Functions */
00016 typedef enum {
00017     RES_OK = 0,        /* 0: Successful */
00018     RES_ERROR,        /* 1: R/W Error */
00019     RES_WRPRT,        /* 2: Write Protected */
00020     RES_NOTRDY,        /* 3: Not Ready */
00021     RES_PARERR        /* 4: Invalid Parameter */
00022 } DRESULT;
00023 
00024 
00025 /*---------------------------------------*/
00026 /* Prototypes for disk control functions */
00027 
00028 extern BOOL assign_drives (int argc, char *argv[]);
00029 extern DSTATUS disk_initialize (BYTE);
00030 extern DSTATUS disk_status (BYTE);
00031 extern DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
00032 extern DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
00033 extern DRESULT disk_ioctl (BYTE, BYTE, void*);
00034 
00035 extern int _sd_sectors();
00036 
00037 
00038 /* Disk Status Bits (DSTATUS) */
00039 
00040 #define STA_NOINIT        0x01    /* Drive not initialized */
00041 #define STA_NODISK        0x02    /* No medium in the drive */
00042 #define STA_PROTECT        0x04    /* Write protected */
00043 
00044 
00045 /* Command code for disk_ioctrl() */
00046 
00047 /* Generic command */
00048 #define CTRL_SYNC            0    /* Mandatory for write functions */
00049 #define GET_SECTOR_COUNT    1    /* Mandatory for only f_mkfs() */
00050 #define GET_SECTOR_SIZE        2    /* Mandatory for multiple sector size cfg */
00051 #define GET_BLOCK_SIZE        3    /* Mandatory for only f_mkfs() */
00052 #define CTRL_POWER            4
00053 #define CTRL_LOCK            5
00054 #define CTRL_EJECT            6
00055 /* MMC/SDC command */
00056 #define MMC_GET_TYPE        10
00057 #define MMC_GET_CSD            11
00058 #define MMC_GET_CID            12
00059 #define MMC_GET_OCR            13
00060 #define MMC_GET_SDSTAT        14
00061 /* ATA/CF command */
00062 #define ATA_GET_REV            20
00063 #define ATA_GET_MODEL        21
00064 #define ATA_GET_SN            22
00065 
00066 
00067 #define _DISKIO
00068 #endif