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