sdelfloader/loader/source/diskio.h

   1 /*-----------------------------------------------------------------------
   2 /  Low level disk interface modlue include file  R0.04a   (C)ChaN, 2007
   3 /-----------------------------------------------------------------------*/
   4
   5 #ifndef _DISKIO
   6
   7 #define _READONLY       0       /* 1: Read-only mode */
   8
   9 #include "integer.h"
  10
  11
  12 /* Status of Disk Functions */
  13 typedef BYTE    DSTATUS;
  14
  15 /* Results of Disk Functions */
  16 typedef enum {
  17   RES_OK = 0,           /* 0: Successful */
  18   RES_ERROR,            /* 1: R/W Error */
  19   RES_WRPRT,            /* 2: Write Protected */
  20   RES_NOTRDY,           /* 3: Not Ready */
  21   RES_PARERR            /* 4: Invalid Parameter */
  22 } DRESULT;
  23
  24
  25 /*---------------------------------------*/
  26 /* Prototypes for disk control functions */
  27
  28 DSTATUS disk_initialize (BYTE);
  29 DSTATUS disk_status (BYTE);
  30 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
  31 DRESULT disk_ioctl (BYTE, BYTE, void*);
  32 void    disk_timerproc (void);
  33
  34
  35
  36
  37 /* Disk Status Bits (DSTATUS) */
  38
  39 #define STA_NOINIT              0x01    /* Drive not initialized */
  40 #define STA_NODISK              0x02    /* No medium in the drive */
  41 #define STA_PROTECT             0x04    /* Write protected */
  42
  43
  44 /* Command code for disk_ioctrl() */
  45
  46 #define GET_SECTOR_COUNT        1
  47 #define GET_SECTOR_SIZE         2
  48 #define CTRL_SYNC                       3
  49 #define CTRL_POWER                      4
  50 #define CTRL_LOCK                       5
  51 #define CTRL_EJECT                      6
  52 #define MMC_GET_CSD                     10
  53 #define MMC_GET_CID                     11
  54 #define MMC_GET_OCR                     12
  55 #define ATA_GET_REV                     20
  56 #define ATA_GET_MODEL           21
  57 #define ATA_GET_SN                      22
  58
  59 #define _DISKIO
  60 #endif