tmk_core/tool/mbed/mbed-sdk/libraries/fs/fat/ChaN/diskio.h

   1 //-----------------------------------------------------------------------
   2 //  Low level disk interface modlue include file
   3 //-----------------------------------------------------------------------
   4
   5 #ifndef _DISKIO
   6
   7 #define _READONLY    0   // 1: Remove write functions
   8 #define _USE_IOCTL   1   // 1: Use disk_ioctl fucntion
   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 // Prototypes for disk control functions
  27
  28 int assign_drives (int, int);
  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
  37
  38
  39 // Disk Status Bits (DSTATUS)
  40 #define STA_NOINIT  0x01    // Drive not initialized
  41 #define STA_NODISK  0x02    // No medium in the drive
  42 #define STA_PROTECT 0x04    // Write protected
  43
  44
  45 // Command code for disk_ioctrl fucntion
  46
  47 // Generic command (defined for FatFs)
  48 #define CTRL_SYNC           0    // Flush disk cache (for write functions)
  49 #define GET_SECTOR_COUNT    1    // Get media size (for only f_mkfs())
  50 #define GET_SECTOR_SIZE     2    // Get sector size (for multiple sector size (_MAX_SS >= 1024))
  51 #define GET_BLOCK_SIZE      3    // Get erase block size (for only f_mkfs())
  52 #define CTRL_ERASE_SECTOR   4    // Force erased a block of sectors (for only _USE_ERASE)
  53
  54 // Generic command
  55 #define CTRL_POWER          5    // Get/Set power status
  56 #define CTRL_LOCK           6    // Lock/Unlock media removal
  57 #define CTRL_EJECT          7    // Eject media
  58
  59 // MMC/SDC specific ioctl command
  60 #define MMC_GET_TYPE        10    // Get card type
  61 #define MMC_GET_CSD         11    // Get CSD
  62 #define MMC_GET_CID         12    // Get CID
  63 #define MMC_GET_OCR         13    // Get OCR
  64 #define MMC_GET_SDSTAT      14    // Get SD status
  65
  66 // ATA/CF specific ioctl command
  67 #define ATA_GET_REV         20    // Get F/W revision
  68 #define ATA_GET_MODEL       21    // Get model name
  69 #define ATA_GET_SN          22    // Get serial number
  70
  71 // NAND specific ioctl command
  72 #define NAND_FORMAT         30    // Create physical format
  73
  74
  75 #define _DISKIO
  76 #endif