drivers/fatfs/diskio.h

   1 /*-----------------------------------------------------------------------
   2 /  Low level disk interface modlue include file  R0.05   (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
  13 /* Status of Disk Functions */
  14 typedef BYTE    DSTATUS;
  15
  16 /* Results of Disk Functions */
  17 typedef enum {
  18         RES_OK = 0,             /* 0: Successful */
  19         RES_ERROR,              /* 1: R/W Error */
  20         RES_WRPRT,              /* 2: Write Protected */
  21         RES_NOTRDY,             /* 3: Not Ready */
  22         RES_PARERR              /* 4: Invalid Parameter */
  23 } DRESULT;
  24
  25
  26 /*---------------------------------------*/
  27 /* Prototypes for disk control functions */
  28
  29 DSTATUS disk_initialize (BYTE);
  30 DSTATUS disk_status (BYTE);
  31 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
  32 #if     _READONLY == 0
  33 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
  34 #endif
  35 DRESULT disk_ioctl (BYTE, BYTE, void*);
  36 void    disk_timerproc (void);
  37
  38
  39
  40
  41 /* Disk Status Bits (DSTATUS) */
  42
  43 #define STA_NOINIT              0x01    /* Drive not initialized */
  44 #define STA_NODISK              0x02    /* No medium in the drive */
  45 #define STA_PROTECT             0x04    /* Write protected */
  46
  47
  48
  49 /* Command code for disk_ioctrl() */
  50
  51 /* Generic command */
  52 #define CTRL_SYNC                       0       /* Mandatory for write functions */
  53 #define GET_SECTOR_COUNT        1       /* Mandatory for only f_mkfs() */
  54 #define GET_SECTOR_SIZE         2
  55 #define GET_BLOCK_SIZE          3       /* Mandatory for only f_mkfs() */
  56 #define CTRL_POWER                      4
  57 #define CTRL_LOCK                       5
  58 #define CTRL_EJECT                      6
  59 /* MMC/SDC command */
  60 #define MMC_GET_TYPE            10
  61 #define MMC_GET_CSD                     11
  62 #define MMC_GET_CID                     12
  63 #define MMC_GET_OCR                     13
  64 #define MMC_GET_SDSTAT          14
  65 /* ATA/CF command */
  66 #define ATA_GET_REV                     20
  67 #define ATA_GET_MODEL           21
  68 #define ATA_GET_SN                      22
  69
  70
  71
  72 /* Card type flags (CardType) */
  73 #define CT_MMC                          0x01    /* MMC ver 3 */
  74 #define CT_SD1                          0x02    /* SD ver 1 */
  75 #define CT_SD2                          0x04    /* SD ver 2 */
  76 #define CT_SDC                          (CT_SD1|CT_SD2) /* SD */
  77 #define CT_BLOCK                        0x08    /* Block addressing */
  78
  79
  80 #define _DISKIO
  81 #endif