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 function */
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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 |
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35 | DSTATUS disk_initialize (BYTE pdrv);
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36 | DSTATUS disk_status (BYTE pdrv);
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37 | DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
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38 | DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
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39 | DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
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40 | DWORD get_fattime (void);
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41 |
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42 | /* Disk Status Bits (DSTATUS) */
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43 |
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44 | #define STA_NOINIT 0x01 /* Drive not initialized */
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45 | #define STA_NODISK 0x02 /* No medium in the drive */
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46 | #define STA_PROTECT 0x04 /* Write protected */
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47 |
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48 |
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49 | /* Command code for disk_ioctrl fucntion */
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50 |
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51 | /* Generic command (Used by FatFs) */
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52 | #define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */
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53 | #define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */
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54 | #define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */
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55 | #define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */
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56 | #define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */
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57 |
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58 | /* Generic command (Not used by FatFs) */
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59 | #define CTRL_POWER 5 /* Get/Set power status */
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60 | #define CTRL_LOCK 6 /* Lock/Unlock media removal */
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61 | #define CTRL_EJECT 7 /* Eject media */
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62 | #define CTRL_FORMAT 8 /* Create physical format on the media */
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63 |
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64 | /* MMC/SDC specific ioctl command */
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65 | #define MMC_GET_TYPE 10 /* Get card type */
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66 | #define MMC_GET_CSD 11 /* Get CSD */
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67 | #define MMC_GET_CID 12 /* Get CID */
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68 | #define MMC_GET_OCR 13 /* Get OCR */
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69 | #define MMC_GET_SDSTAT 14 /* Get SD status */
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70 |
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71 | /* ATA/CF specific ioctl command */
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72 | #define ATA_GET_REV 20 /* Get F/W revision */
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73 | #define ATA_GET_MODEL 21 /* Get model name */
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74 | #define ATA_GET_SN 22 /* Get serial number */
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75 |
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76 | #ifdef __cplusplus
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77 | }
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78 | #endif
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79 |
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80 | #endif
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