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1 | /*-----------------------------------------------------------------------/ | |
2 | / Low level disk interface modlue include file (C)ChaN, 2019 / | |
3 | /-----------------------------------------------------------------------*/ | |
4 | ||
5 | #ifndef _DISKIO_DEFINED | |
6 | #define _DISKIO_DEFINED | |
7 | ||
8 | #ifdef __cplusplus | |
9 | extern "C" { | |
10 | #endif | |
11 | ||
12 | #include "ff.h" | |
13 | ||
14 | ||
15 | /* Status of Disk Functions */ | |
16 | typedef BYTE DSTATUS; | |
17 | ||
18 | /* Results of Disk Functions */ | |
19 | typedef enum { | |
20 | RES_OK = 0, /* 0: Successful */ | |
21 | RES_ERROR, /* 1: R/W Error */ | |
22 | RES_WRPRT, /* 2: Write Protected */ | |
23 | RES_NOTRDY, /* 3: Not Ready */ | |
24 | RES_PARERR /* 4: Invalid Parameter */ | |
25 | } DRESULT; | |
26 | ||
27 | ||
28 | /*---------------------------------------*/ | |
29 | /* Prototypes for disk control functions */ | |
30 | ||
31 | DSTATUS disk_initialize (BYTE pdrv); | |
32 | DSTATUS disk_status (BYTE pdrv); | |
33 | DRESULT disk_read (BYTE pdrv, BYTE* buff, LBA_t sector, UINT count); | |
34 | DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count); | |
35 | DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff); | |
36 | void disk_timerproc (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 | #define STA_FAST 0x08 /* Fast SPI clock */ | |
46 | #define STAT_MASK (STA_NOINIT | STA_NODISK | STA_PROTECT) | |
47 | ||
48 | ||
49 | /* Command code for disk_ioctrl function */ | |
50 | ||
51 | /* Generic command (Used by FatFs) */ | |
52 | #define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */ | |
53 | #define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */ | |
54 | #define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */ | |
55 | #define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */ | |
56 | #define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */ | |
57 | ||
58 | /* Generic command (Not used by FatFs) */ | |
59 | #define CTRL_FORMAT 5 /* Create physical format on the media */ | |
60 | #define CTRL_POWER_IDLE 6 /* Put the device idle state */ | |
61 | #define CTRL_POWER_OFF 7 /* Put the device off state */ | |
62 | #define CTRL_LOCK 8 /* Lock media removal */ | |
63 | #define CTRL_UNLOCK 9 /* Unlock media removal */ | |
64 | #define CTRL_EJECT 10 /* Eject media */ | |
65 | ||
66 | /* MMC/SDC specific command (Not used by FatFs) */ | |
67 | #define MMC_GET_TYPE 50 /* Get card type */ | |
68 | #define MMC_GET_CSD 51 /* Get CSD */ | |
69 | #define MMC_GET_CID 52 /* Get CID */ | |
70 | #define MMC_GET_OCR 53 /* Get OCR */ | |
71 | #define MMC_GET_SDSTAT 54 /* Get SD status */ | |
72 | ||
73 | /* ATA/CF specific command (Not used by FatFs) */ | |
74 | #define ATA_GET_REV 60 /* Get F/W revision */ | |
75 | #define ATA_GET_MODEL 61 /* Get model name */ | |
76 | #define ATA_GET_SN 62 /* Get serial number */ | |
77 | ||
78 | /* MMC card type flags (MMC_GET_TYPE) */ | |
79 | #define CT_MMC 0x01 /* MMC ver 3 */ | |
80 | #define CT_SD1 0x02 /* SD ver 1 */ | |
81 | #define CT_SD2 0x04 /* SD ver 2 */ | |
82 | #define CT_SDC (CT_SD1|CT_SD2) /* SD */ | |
83 | #define CT_BLOCK 0x08 /* Block addressing */ | |
84 | ||
85 | #endif /* _DISKIO_H */ |