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  1. /*-----------------------------------------------------------------------/
  2. /  Low level disk interface modlue include file   (C)ChaN, 2014          /
  3. /-----------------------------------------------------------------------*/
  4.  
  5. #ifndef _DISKIO_DEFINED
  6. #define _DISKIO_DEFINED
  7.  
  8. #ifdef __cplusplus
  9. extern "C" {
  10. #endif
  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.  
  29. DSTATUS disk_initialize (BYTE pdrv);
  30. DSTATUS disk_status (BYTE pdrv);
  31. DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
  32. DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
  33. DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
  34.  
  35.  
  36. /* Disk Status Bits (DSTATUS) */
  37.  
  38. #define STA_NOINIT              0x01    /* Drive not initialized */
  39. #define STA_NODISK              0x02    /* No medium in the drive */
  40. #define STA_PROTECT             0x04    /* Write protected */
  41.  
  42.  
  43. /* Command code for disk_ioctrl fucntion */
  44.  
  45. /* Generic command (Used by FatFs) */
  46. #define CTRL_SYNC                       0       /* Complete pending write process (needed at FF_FS_READONLY == 0) */
  47. #define GET_SECTOR_COUNT        1       /* Get media size (needed at FF_USE_MKFS == 1) */
  48. #define GET_SECTOR_SIZE         2       /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
  49. #define GET_BLOCK_SIZE          3       /* Get erase block size (needed at FF_USE_MKFS == 1) */
  50. #define CTRL_TRIM                       4       /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
  51.  
  52. /* Generic command (Not used by FatFs) */
  53. #define CTRL_POWER                      5       /* Get/Set power status */
  54. #define CTRL_LOCK                       6       /* Lock/Unlock media removal */
  55. #define CTRL_EJECT                      7       /* Eject media */
  56. #define CTRL_FORMAT                     8       /* Create physical format on the media */
  57.  
  58. /* MMC/SDC specific ioctl command */
  59. #define MMC_GET_TYPE            10      /* Get card type */
  60. #define MMC_GET_CSD                     11      /* Get CSD */
  61. #define MMC_GET_CID                     12      /* Get CID */
  62. #define MMC_GET_OCR                     13      /* Get OCR */
  63. #define MMC_GET_SDSTAT          14      /* Get SD status */
  64. #define ISDIO_READ                      55      /* Read data form SD iSDIO register */
  65. #define ISDIO_WRITE                     56      /* Write data to SD iSDIO register */
  66. #define ISDIO_MRITE                     57      /* Masked write data to SD iSDIO register */
  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. #ifdef __cplusplus
  74. }
  75. #endif
  76.  
  77. #endif
  78.