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diskio.h
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 /* 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, LBA_t sector, UINT count);
32 DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t 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
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