dataflash/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 /*---------------------------------------*/
  27 /* Prototypes for disk control functions */
  28
  29 int assign_drives (int, int);
  30 DSTATUS disk_initialize (BYTE);
  31 DSTATUS disk_status (BYTE);
  32 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
  33 #if     _READONLY == 0
  34 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
  35 #endif
  36 DRESULT disk_ioctl (BYTE, BYTE, void*);
  37
  38
  39
  40 /* Disk Status Bits (DSTATUS) */
  41
  42 #define STA_NOINIT              0x01    /* Drive not initialized */
  43 #define STA_NODISK              0x02    /* No medium in the drive */
  44 #define STA_PROTECT             0x04    /* Write protected */
  45
  46
  47 /* Command code for disk_ioctrl fucntion */
  48
  49 /* Generic command (defined for FatFs) */
  50 #define CTRL_SYNC                       0       /* Flush disk cache (for write functions) */
  51 #define GET_SECTOR_COUNT        1       /* Get media size (for only f_mkfs()) */
  52 #define GET_SECTOR_SIZE         2       /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
  53 #define GET_BLOCK_SIZE          3       /* Get erase block size (for only f_mkfs()) */
  54 #define CTRL_ERASE_SECTOR       4       /* Force erased a block of sectors (for only _USE_ERASE) */
  55
  56 /* Generic command */
  57 #define CTRL_POWER                      5       /* Get/Set power status */
  58 #define CTRL_LOCK                       6       /* Lock/Unlock media removal */
  59 #define CTRL_EJECT                      7       /* Eject media */
  60
  61 /* MMC/SDC specific ioctl command */
  62 #define MMC_GET_TYPE            10      /* Get card type */
  63 #define MMC_GET_CSD                     11      /* Get CSD */
  64 #define MMC_GET_CID                     12      /* Get CID */
  65 #define MMC_GET_OCR                     13      /* Get OCR */
  66 #define MMC_GET_SDSTAT          14      /* Get SD status */
  67
  68 /* ATA/CF specific ioctl command */
  69 #define ATA_GET_REV                     20      /* Get F/W revision */
  70 #define ATA_GET_MODEL           21      /* Get model name */
  71 #define ATA_GET_SN                      22      /* Get serial number */
  72
  73 /* NAND specific ioctl command */
  74 #define NAND_FORMAT                     30      /* Create physical format */
  75
  76 /* Card type flags (CardType) */
  77 #define CT_MMC              0x01    /* MMC ver 3 */
  78 #define CT_SD1              0x02    /* SD ver 1 */
  79 #define CT_SD2              0x04    /* SD ver 2 */
  80 #define CT_SDC              (CT_SD1|CT_SD2) /* SD */
  81 #define CT_BLOCK            0x08    /* Block addressing */
  82
  83 #define _DISKIO
  84 #endif