[270] | 1 | /*-----------------------------------------------------------------------
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| 2 | / Low level disk interface modlue include file (C)ChaN, 2014
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| 3 | /-----------------------------------------------------------------------*/
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| 4 |
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| 5 | #ifndef _DISKIO_DEFINED
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| 6 | #define _DISKIO_DEFINED
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| 7 |
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| 8 | #ifdef __cplusplus
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| 9 | extern "C" {
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| 10 | #endif
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| 11 |
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| 12 | #define _USE_WRITE 1 /* 1: Enable disk_write function */
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| 13 | #define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */
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| 14 |
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| 15 | #include "integer.h"
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| 16 |
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| 17 |
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| 18 | /* Status of Disk Functions */
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| 19 | typedef BYTE DSTATUS;
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| 20 |
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| 21 | /* Results of Disk Functions */
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| 22 | typedef enum {
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| 23 | RES_OK = 0, /* 0: Successful */
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| 24 | RES_ERROR, /* 1: R/W Error */
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| 25 | RES_WRPRT, /* 2: Write Protected */
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| 26 | RES_NOTRDY, /* 3: Not Ready */
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| 27 | RES_PARERR /* 4: Invalid Parameter */
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| 28 | } DRESULT;
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| 29 |
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| 30 |
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| 31 | /*---------------------------------------*/
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| 32 | /* Prototypes for disk control functions */
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| 33 |
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| 34 | DSTATUS disk_initialize (BYTE pdrv);
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| 35 | DSTATUS disk_status (BYTE pdrv);
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| 36 | DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
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| 37 | #if _USE_WRITE
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| 38 | DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
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| 39 | #endif
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| 40 | #if _USE_IOCTL
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| 41 | DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
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| 42 | #endif
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| 43 | void disk_timerproc(void);
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| 44 |
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[441] | 45 | #define SZ_RAMDISK 1536 /* Size of RAM disk [kB] */
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[270] | 46 | #define SS_RAMDISK 512 /* Sector size of RAM disk [byte] */
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| 47 |
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| 48 | DSTATUS ramdisk_initialize (void);
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| 49 | DSTATUS ramdisk_get_status (void);
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| 50 | DRESULT ramdisk_read (BYTE* buff, DWORD sector, UINT count);
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| 51 | DRESULT ramdisk_write (const BYTE* buff, DWORD sector, UINT count);
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| 52 |
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| 53 | /* Disk Status Bits (DSTATUS) */
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| 54 | #define STA_NOINIT 0x01 /* Drive not initialized */
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| 55 | #define STA_NODISK 0x02 /* No medium in the drive */
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| 56 | #define STA_PROTECT 0x04 /* Write protected */
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| 57 |
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| 58 |
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| 59 | /* Command code for disk_ioctrl fucntion */
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| 60 |
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| 61 | /* Generic command (Used by FatFs) */
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[434] | 62 | #define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
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| 63 | #define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
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| 64 | #define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
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| 65 | #define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
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| 66 | #define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
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[270] | 67 |
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| 68 | /* Generic command (Not used by FatFs) */
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| 69 | #define CTRL_FORMAT 5 /* Create physical format on the media */
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| 70 | #define CTRL_POWER_IDLE 6 /* Put the device idle state */
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| 71 | #define CTRL_POWER_OFF 7 /* Put the device off state */
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| 72 | #define CTRL_LOCK 8 /* Lock media removal */
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| 73 | #define CTRL_UNLOCK 9 /* Unlock media removal */
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| 74 | #define CTRL_EJECT 10 /* Eject media */
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| 75 |
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| 76 | /* MMC/SDC specific command (Not used by FatFs) */
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| 77 | #define MMC_GET_TYPE 50 /* Get card type */
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| 78 | #define MMC_GET_CSD 51 /* Get CSD */
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| 79 | #define MMC_GET_CID 52 /* Get CID */
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| 80 | #define MMC_GET_OCR 53 /* Get OCR */
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| 81 | #define MMC_GET_SDSTAT 54 /* Get SD status */
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| 82 |
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| 83 | /* ATA/CF specific command (Not used by FatFs) */
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| 84 | #define ATA_GET_REV 60 /* Get F/W revision */
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| 85 | #define ATA_GET_MODEL 61 /* Get model name */
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| 86 | #define ATA_GET_SN 62 /* Get serial number */
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| 87 |
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| 88 |
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| 89 | /* MMC card type flags (MMC_GET_TYPE) */
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| 90 | #define CT_MMC 0x01 /* MMC ver 3 */
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| 91 | #define CT_SD1 0x02 /* SD ver 1 */
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| 92 | #define CT_SD2 0x04 /* SD ver 2 */
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| 93 | #define CT_SDC (CT_SD1|CT_SD2) /* SD */
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| 94 | #define CT_BLOCK 0x08 /* Block addressing */
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| 95 |
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| 96 |
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| 97 | #ifdef __cplusplus
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| 98 | }
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| 99 | #endif
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| 100 |
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| 101 | #endif /* _DISKIO_DEFINED */
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