gcc4mbed/external/FATFileSystem/.svn/text-base/diskio.h.svn-base

   1 /*-----------------------------------------------------------------------
   2 /  Low level disk interface modlue include file  R0.06   (C)ChaN, 2007
   3 /-----------------------------------------------------------------------*/
   4
   5 #ifndef _DISKIO
   6
   7 #define _READONLY       0       /* 1: Read-only mode */
   8 #define _USE_IOCTL      1
   9
  10 #include "integer.h"
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  15
  16 /* Status of Disk Functions */
  17 typedef BYTE    DSTATUS;
  18
  19 /* Results of Disk Functions */
  20 typedef enum {
  21         RES_OK = 0,             /* 0: Successful */
  22         RES_ERROR,              /* 1: R/W Error */
  23         RES_WRPRT,              /* 2: Write Protected */
  24         RES_NOTRDY,             /* 3: Not Ready */
  25         RES_PARERR              /* 4: Invalid Parameter */
  26 } DRESULT;
  27
  28
  29 /*---------------------------------------*/
  30 /* Prototypes for disk control functions */
  31
  32 DSTATUS disk_initialize (BYTE);
  33 DSTATUS disk_status (BYTE);
  34 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
  35 #if     _READONLY == 0
  36 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
  37 #endif
  38 DRESULT disk_ioctl (BYTE, BYTE, void*);
  39 void    disk_timerproc (void);
  40
  41 #ifdef __cplusplus
  42 };
  43 #endif
  44
  45
  46 /* Disk Status Bits (DSTATUS) */
  47
  48 #define STA_NOINIT              0x01    /* Drive not initialized */
  49 #define STA_NODISK              0x02    /* No medium in the drive */
  50 #define STA_PROTECT             0x04    /* Write protected */
  51
  52
  53 /* Command code for disk_ioctrl() */
  54
  55 /* Generic command */
  56 #define CTRL_SYNC                       0       /* Mandatory for read/write configuration */
  57 #define GET_SECTOR_COUNT        1       /* Mandatory for only f_mkfs() */
  58 #define GET_SECTOR_SIZE         2
  59 #define GET_BLOCK_SIZE          3       /* Mandatory for only f_mkfs() */
  60 #define CTRL_POWER                      4
  61 #define CTRL_LOCK                       5
  62 #define CTRL_EJECT                      6
  63 /* MMC/SDC command */
  64 #define MMC_GET_TYPE            10
  65 #define MMC_GET_CSD                     11
  66 #define MMC_GET_CID                     12
  67 #define MMC_GET_OCR                     13
  68 #define MMC_GET_SDSTAT          14
  69 /* ATA/CF command */
  70 #define ATA_GET_REV                     20
  71 #define ATA_GET_MODEL           21
  72 #define ATA_GET_SN                      22
  73
  74
  75 #define _DISKIO
  76 #endif