FAT file system
Dependents: S25FL216K_FATFileSystem SDFileSystem
ChaN/diskio.h@0:b864b021fc6d, 2014-12-23 (annotated)
- Committer:
- mkilivan
- Date:
- Tue Dec 23 21:37:54 2014 +0000
- Revision:
- 0:b864b021fc6d
initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mkilivan | 0:b864b021fc6d | 1 | //----------------------------------------------------------------------- |
mkilivan | 0:b864b021fc6d | 2 | // Low level disk interface modlue include file |
mkilivan | 0:b864b021fc6d | 3 | //----------------------------------------------------------------------- |
mkilivan | 0:b864b021fc6d | 4 | |
mkilivan | 0:b864b021fc6d | 5 | #ifndef _DISKIO |
mkilivan | 0:b864b021fc6d | 6 | |
mkilivan | 0:b864b021fc6d | 7 | #define _READONLY 0 // 1: Remove write functions |
mkilivan | 0:b864b021fc6d | 8 | #define _USE_IOCTL 1 // 1: Use disk_ioctl fucntion |
mkilivan | 0:b864b021fc6d | 9 | |
mkilivan | 0:b864b021fc6d | 10 | #include "integer.h" |
mkilivan | 0:b864b021fc6d | 11 | |
mkilivan | 0:b864b021fc6d | 12 | |
mkilivan | 0:b864b021fc6d | 13 | // Status of Disk Functions |
mkilivan | 0:b864b021fc6d | 14 | typedef BYTE DSTATUS; |
mkilivan | 0:b864b021fc6d | 15 | |
mkilivan | 0:b864b021fc6d | 16 | // Results of Disk Functions |
mkilivan | 0:b864b021fc6d | 17 | typedef enum { |
mkilivan | 0:b864b021fc6d | 18 | RES_OK = 0, // 0: Successful |
mkilivan | 0:b864b021fc6d | 19 | RES_ERROR, // 1: R/W Error |
mkilivan | 0:b864b021fc6d | 20 | RES_WRPRT, // 2: Write Protected |
mkilivan | 0:b864b021fc6d | 21 | RES_NOTRDY, // 3: Not Ready |
mkilivan | 0:b864b021fc6d | 22 | RES_PARERR // 4: Invalid Parameter |
mkilivan | 0:b864b021fc6d | 23 | } DRESULT; |
mkilivan | 0:b864b021fc6d | 24 | |
mkilivan | 0:b864b021fc6d | 25 | |
mkilivan | 0:b864b021fc6d | 26 | // Prototypes for disk control functions |
mkilivan | 0:b864b021fc6d | 27 | |
mkilivan | 0:b864b021fc6d | 28 | int assign_drives (int, int); |
mkilivan | 0:b864b021fc6d | 29 | DSTATUS disk_initialize (BYTE); |
mkilivan | 0:b864b021fc6d | 30 | DSTATUS disk_status (BYTE); |
mkilivan | 0:b864b021fc6d | 31 | DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE); |
mkilivan | 0:b864b021fc6d | 32 | #if _READONLY == 0 |
mkilivan | 0:b864b021fc6d | 33 | DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE); |
mkilivan | 0:b864b021fc6d | 34 | #endif |
mkilivan | 0:b864b021fc6d | 35 | DRESULT disk_ioctl (BYTE, BYTE, void*); |
mkilivan | 0:b864b021fc6d | 36 | |
mkilivan | 0:b864b021fc6d | 37 | |
mkilivan | 0:b864b021fc6d | 38 | |
mkilivan | 0:b864b021fc6d | 39 | // Disk Status Bits (DSTATUS) |
mkilivan | 0:b864b021fc6d | 40 | #define STA_NOINIT 0x01 // Drive not initialized |
mkilivan | 0:b864b021fc6d | 41 | #define STA_NODISK 0x02 // No medium in the drive |
mkilivan | 0:b864b021fc6d | 42 | #define STA_PROTECT 0x04 // Write protected |
mkilivan | 0:b864b021fc6d | 43 | |
mkilivan | 0:b864b021fc6d | 44 | |
mkilivan | 0:b864b021fc6d | 45 | // Command code for disk_ioctrl fucntion |
mkilivan | 0:b864b021fc6d | 46 | |
mkilivan | 0:b864b021fc6d | 47 | // Generic command (defined for FatFs) |
mkilivan | 0:b864b021fc6d | 48 | #define CTRL_SYNC 0 // Flush disk cache (for write functions) |
mkilivan | 0:b864b021fc6d | 49 | #define GET_SECTOR_COUNT 1 // Get media size (for only f_mkfs()) |
mkilivan | 0:b864b021fc6d | 50 | #define GET_SECTOR_SIZE 2 // Get sector size (for multiple sector size (_MAX_SS >= 1024)) |
mkilivan | 0:b864b021fc6d | 51 | #define GET_BLOCK_SIZE 3 // Get erase block size (for only f_mkfs()) |
mkilivan | 0:b864b021fc6d | 52 | #define CTRL_ERASE_SECTOR 4 // Force erased a block of sectors (for only _USE_ERASE) |
mkilivan | 0:b864b021fc6d | 53 | |
mkilivan | 0:b864b021fc6d | 54 | // Generic command |
mkilivan | 0:b864b021fc6d | 55 | #define CTRL_POWER 5 // Get/Set power status |
mkilivan | 0:b864b021fc6d | 56 | #define CTRL_LOCK 6 // Lock/Unlock media removal |
mkilivan | 0:b864b021fc6d | 57 | #define CTRL_EJECT 7 // Eject media |
mkilivan | 0:b864b021fc6d | 58 | |
mkilivan | 0:b864b021fc6d | 59 | // MMC/SDC specific ioctl command |
mkilivan | 0:b864b021fc6d | 60 | #define MMC_GET_TYPE 10 // Get card type |
mkilivan | 0:b864b021fc6d | 61 | #define MMC_GET_CSD 11 // Get CSD |
mkilivan | 0:b864b021fc6d | 62 | #define MMC_GET_CID 12 // Get CID |
mkilivan | 0:b864b021fc6d | 63 | #define MMC_GET_OCR 13 // Get OCR |
mkilivan | 0:b864b021fc6d | 64 | #define MMC_GET_SDSTAT 14 // Get SD status |
mkilivan | 0:b864b021fc6d | 65 | |
mkilivan | 0:b864b021fc6d | 66 | // ATA/CF specific ioctl command |
mkilivan | 0:b864b021fc6d | 67 | #define ATA_GET_REV 20 // Get F/W revision |
mkilivan | 0:b864b021fc6d | 68 | #define ATA_GET_MODEL 21 // Get model name |
mkilivan | 0:b864b021fc6d | 69 | #define ATA_GET_SN 22 // Get serial number |
mkilivan | 0:b864b021fc6d | 70 | |
mkilivan | 0:b864b021fc6d | 71 | // NAND specific ioctl command |
mkilivan | 0:b864b021fc6d | 72 | #define NAND_FORMAT 30 // Create physical format |
mkilivan | 0:b864b021fc6d | 73 | |
mkilivan | 0:b864b021fc6d | 74 | |
mkilivan | 0:b864b021fc6d | 75 | #define _DISKIO |
mkilivan | 0:b864b021fc6d | 76 | #endif |