Rahul Maran / FATFileSystem

a

Fork of FATFileSystem by mbed official

ChaN/diskio.h@1:46ce1e16c870, 2012-11-27 (annotated)

Committer:
emilmont
Date:
Tue Nov 27 17:31:18 2012 +0000
Revision:
1:46ce1e16c870
Child:
5:b3b3370574cf
Commit FATFileSystem code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:46ce1e16c870 1 //-----------------------------------------------------------------------
emilmont 1:46ce1e16c870 2 // Low level disk interface modlue include file
emilmont 1:46ce1e16c870 3 //-----------------------------------------------------------------------
emilmont 1:46ce1e16c870 4
emilmont 1:46ce1e16c870 5 #ifndef _DISKIO
emilmont 1:46ce1e16c870 6
emilmont 1:46ce1e16c870 7 #define _READONLY 0 // 1: Remove write functions
emilmont 1:46ce1e16c870 8 #define _USE_IOCTL 1 // 1: Use disk_ioctl fucntion
emilmont 1:46ce1e16c870 9
emilmont 1:46ce1e16c870 10 #include "integer.h"
emilmont 1:46ce1e16c870 11
emilmont 1:46ce1e16c870 12
emilmont 1:46ce1e16c870 13 // Status of Disk Functions
emilmont 1:46ce1e16c870 14 typedef BYTE DSTATUS;
emilmont 1:46ce1e16c870 15
emilmont 1:46ce1e16c870 16 // Results of Disk Functions
emilmont 1:46ce1e16c870 17 typedef enum {
emilmont 1:46ce1e16c870 18 RES_OK = 0, // 0: Successful
emilmont 1:46ce1e16c870 19 RES_ERROR, // 1: R/W Error
emilmont 1:46ce1e16c870 20 RES_WRPRT, // 2: Write Protected
emilmont 1:46ce1e16c870 21 RES_NOTRDY, // 3: Not Ready
emilmont 1:46ce1e16c870 22 RES_PARERR // 4: Invalid Parameter
emilmont 1:46ce1e16c870 23 } DRESULT;
emilmont 1:46ce1e16c870 24
emilmont 1:46ce1e16c870 25
emilmont 1:46ce1e16c870 26 // Prototypes for disk control functions
emilmont 1:46ce1e16c870 27
emilmont 1:46ce1e16c870 28 int assign_drives (int, int);
emilmont 1:46ce1e16c870 29 DSTATUS disk_initialize (BYTE);
emilmont 1:46ce1e16c870 30 DSTATUS disk_status (BYTE);
emilmont 1:46ce1e16c870 31 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
emilmont 1:46ce1e16c870 32 #if _READONLY == 0
emilmont 1:46ce1e16c870 33 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
emilmont 1:46ce1e16c870 34 #endif
emilmont 1:46ce1e16c870 35 DRESULT disk_ioctl (BYTE, BYTE, void*);
emilmont 1:46ce1e16c870 36
emilmont 1:46ce1e16c870 37
emilmont 1:46ce1e16c870 38
emilmont 1:46ce1e16c870 39 // Disk Status Bits (DSTATUS)
emilmont 1:46ce1e16c870 40 #define STA_NOINIT 0x01 // Drive not initialized
emilmont 1:46ce1e16c870 41 #define STA_NODISK 0x02 // No medium in the drive
emilmont 1:46ce1e16c870 42 #define STA_PROTECT 0x04 // Write protected
emilmont 1:46ce1e16c870 43
emilmont 1:46ce1e16c870 44
emilmont 1:46ce1e16c870 45 // Command code for disk_ioctrl fucntion
emilmont 1:46ce1e16c870 46
emilmont 1:46ce1e16c870 47 // Generic command (defined for FatFs)
emilmont 1:46ce1e16c870 48 #define CTRL_SYNC 0 // Flush disk cache (for write functions)
emilmont 1:46ce1e16c870 49 #define GET_SECTOR_COUNT 1 // Get media size (for only f_mkfs())
emilmont 1:46ce1e16c870 50 #define GET_SECTOR_SIZE 2 // Get sector size (for multiple sector size (_MAX_SS >= 1024))
emilmont 1:46ce1e16c870 51 #define GET_BLOCK_SIZE 3 // Get erase block size (for only f_mkfs())
emilmont 1:46ce1e16c870 52 #define CTRL_ERASE_SECTOR 4 // Force erased a block of sectors (for only _USE_ERASE)
emilmont 1:46ce1e16c870 53
emilmont 1:46ce1e16c870 54 // Generic command
emilmont 1:46ce1e16c870 55 #define CTRL_POWER 5 // Get/Set power status
emilmont 1:46ce1e16c870 56 #define CTRL_LOCK 6 // Lock/Unlock media removal
emilmont 1:46ce1e16c870 57 #define CTRL_EJECT 7 // Eject media
emilmont 1:46ce1e16c870 58
emilmont 1:46ce1e16c870 59 // MMC/SDC specific ioctl command
emilmont 1:46ce1e16c870 60 #define MMC_GET_TYPE 10 // Get card type
emilmont 1:46ce1e16c870 61 #define MMC_GET_CSD 11 // Get CSD
emilmont 1:46ce1e16c870 62 #define MMC_GET_CID 12 // Get CID
emilmont 1:46ce1e16c870 63 #define MMC_GET_OCR 13 // Get OCR
emilmont 1:46ce1e16c870 64 #define MMC_GET_SDSTAT 14 // Get SD status
emilmont 1:46ce1e16c870 65
emilmont 1:46ce1e16c870 66 // ATA/CF specific ioctl command
emilmont 1:46ce1e16c870 67 #define ATA_GET_REV 20 // Get F/W revision
emilmont 1:46ce1e16c870 68 #define ATA_GET_MODEL 21 // Get model name
emilmont 1:46ce1e16c870 69 #define ATA_GET_SN 22 // Get serial number
emilmont 1:46ce1e16c870 70
emilmont 1:46ce1e16c870 71 // NAND specific ioctl command
emilmont 1:46ce1e16c870 72 #define NAND_FORMAT 30 // Create physical format
emilmont 1:46ce1e16c870 73
emilmont 1:46ce1e16c870 74
emilmont 1:46ce1e16c870 75 #define _DISKIO
emilmont 1:46ce1e16c870 76 #endif