diskio.h

00001 /*-----------------------------------------------------------------------
00002 /  Low level disk interface modlue include file  R0.06   (C)ChaN, 2007
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 #ifdef __cplusplus
00013 extern "C" {
00014 #endif
00015 
00016 /* Status of Disk Functions */
00017 typedef BYTE    DSTATUS;
00018 
00019 /* Results of Disk Functions */
00020 typedef enum {
00021     RES_OK = 0,        /* 0: Successful */
00022     RES_ERROR,        /* 1: R/W Error */
00023     RES_WRPRT,        /* 2: Write Protected */
00024     RES_NOTRDY,        /* 3: Not Ready */
00025     RES_PARERR        /* 4: Invalid Parameter */
00026 } DRESULT;
00027 
00028 
00029 /*---------------------------------------*/
00030 /* Prototypes for disk control functions */
00031 
00032 DSTATUS disk_initialize (BYTE);
00033 DSTATUS disk_status (BYTE);
00034 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
00035 #if    _READONLY == 0
00036 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
00037 #endif
00038 DRESULT disk_ioctl (BYTE, BYTE, void*);
00039 void    disk_timerproc (void);
00040 
00041 #ifdef __cplusplus
00042 };
00043 #endif
00044 
00045 
00046 /* Disk Status Bits (DSTATUS) */
00047 
00048 #define STA_NOINIT        0x01    /* Drive not initialized */
00049 #define STA_NODISK        0x02    /* No medium in the drive */
00050 #define STA_PROTECT        0x04    /* Write protected */
00051 
00052 
00053 /* Command code for disk_ioctrl() */
00054 
00055 /* Generic command */
00056 #define CTRL_SYNC            0    /* Mandatory for read/write configuration */
00057 #define GET_SECTOR_COUNT    1    /* Mandatory for only f_mkfs() */
00058 #define GET_SECTOR_SIZE        2
00059 #define GET_BLOCK_SIZE        3    /* Mandatory for only f_mkfs() */
00060 #define CTRL_POWER            4
00061 #define CTRL_LOCK            5
00062 #define CTRL_EJECT            6
00063 /* MMC/SDC command */
00064 #define MMC_GET_TYPE        10
00065 #define MMC_GET_CSD            11
00066 #define MMC_GET_CID            12
00067 #define MMC_GET_OCR            13
00068 #define MMC_GET_SDSTAT        14
00069 /* ATA/CF command */
00070 #define ATA_GET_REV            20
00071 #define ATA_GET_MODEL        21
00072 #define ATA_GET_SN            22
00073 
00074 
00075 #define _DISKIO
00076 #endif