Matthew Else / SDFileSystem

Fork of SDFileSystem with fixed version of FATFileSystem

Dependencies:   FATFileSystem

Fork of SDFileSystem by Neil Thiessen

FATFileSystem/ChaN/diskio.h@11:67ddc53e3983, 2014-08-14 (annotated)

Committer:
neilt6
Date:
Thu Aug 14 22:27:07 2014 +0000
Revision:
11:67ddc53e3983
Major performance improvements with custom FATFileSystem

Who changed what in which revision?

UserRevisionLine numberNew contents of line
neilt6 11:67ddc53e3983 1 //-----------------------------------------------------------------------
neilt6 11:67ddc53e3983 2 // Low level disk interface modlue include file
neilt6 11:67ddc53e3983 3 //-----------------------------------------------------------------------
neilt6 11:67ddc53e3983 4
neilt6 11:67ddc53e3983 5 #ifndef _DISKIO
neilt6 11:67ddc53e3983 6
neilt6 11:67ddc53e3983 7 #define _READONLY 0 // 1: Remove write functions
neilt6 11:67ddc53e3983 8 #define _USE_IOCTL 1 // 1: Use disk_ioctl fucntion
neilt6 11:67ddc53e3983 9
neilt6 11:67ddc53e3983 10 #include "integer.h"
neilt6 11:67ddc53e3983 11
neilt6 11:67ddc53e3983 12
neilt6 11:67ddc53e3983 13 // Status of Disk Functions
neilt6 11:67ddc53e3983 14 typedef BYTE DSTATUS;
neilt6 11:67ddc53e3983 15
neilt6 11:67ddc53e3983 16 // Results of Disk Functions
neilt6 11:67ddc53e3983 17 typedef enum {
neilt6 11:67ddc53e3983 18 RES_OK = 0, // 0: Successful
neilt6 11:67ddc53e3983 19 RES_ERROR, // 1: R/W Error
neilt6 11:67ddc53e3983 20 RES_WRPRT, // 2: Write Protected
neilt6 11:67ddc53e3983 21 RES_NOTRDY, // 3: Not Ready
neilt6 11:67ddc53e3983 22 RES_PARERR // 4: Invalid Parameter
neilt6 11:67ddc53e3983 23 } DRESULT;
neilt6 11:67ddc53e3983 24
neilt6 11:67ddc53e3983 25
neilt6 11:67ddc53e3983 26 // Prototypes for disk control functions
neilt6 11:67ddc53e3983 27
neilt6 11:67ddc53e3983 28 int assign_drives (int, int);
neilt6 11:67ddc53e3983 29 DSTATUS disk_initialize (BYTE);
neilt6 11:67ddc53e3983 30 DSTATUS disk_status (BYTE);
neilt6 11:67ddc53e3983 31 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
neilt6 11:67ddc53e3983 32 #if _READONLY == 0
neilt6 11:67ddc53e3983 33 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
neilt6 11:67ddc53e3983 34 #endif
neilt6 11:67ddc53e3983 35 DRESULT disk_ioctl (BYTE, BYTE, void*);
neilt6 11:67ddc53e3983 36
neilt6 11:67ddc53e3983 37
neilt6 11:67ddc53e3983 38
neilt6 11:67ddc53e3983 39 // Disk Status Bits (DSTATUS)
neilt6 11:67ddc53e3983 40 #define STA_NOINIT 0x01 // Drive not initialized
neilt6 11:67ddc53e3983 41 #define STA_NODISK 0x02 // No medium in the drive
neilt6 11:67ddc53e3983 42 #define STA_PROTECT 0x04 // Write protected
neilt6 11:67ddc53e3983 43
neilt6 11:67ddc53e3983 44
neilt6 11:67ddc53e3983 45 // Command code for disk_ioctrl fucntion
neilt6 11:67ddc53e3983 46
neilt6 11:67ddc53e3983 47 // Generic command (defined for FatFs)
neilt6 11:67ddc53e3983 48 #define CTRL_SYNC 0 // Flush disk cache (for write functions)
neilt6 11:67ddc53e3983 49 #define GET_SECTOR_COUNT 1 // Get media size (for only f_mkfs())
neilt6 11:67ddc53e3983 50 #define GET_SECTOR_SIZE 2 // Get sector size (for multiple sector size (_MAX_SS >= 1024))
neilt6 11:67ddc53e3983 51 #define GET_BLOCK_SIZE 3 // Get erase block size (for only f_mkfs())
neilt6 11:67ddc53e3983 52 #define CTRL_ERASE_SECTOR 4 // Force erased a block of sectors (for only _USE_ERASE)
neilt6 11:67ddc53e3983 53
neilt6 11:67ddc53e3983 54 // Generic command
neilt6 11:67ddc53e3983 55 #define CTRL_POWER 5 // Get/Set power status
neilt6 11:67ddc53e3983 56 #define CTRL_LOCK 6 // Lock/Unlock media removal
neilt6 11:67ddc53e3983 57 #define CTRL_EJECT 7 // Eject media
neilt6 11:67ddc53e3983 58
neilt6 11:67ddc53e3983 59 // MMC/SDC specific ioctl command
neilt6 11:67ddc53e3983 60 #define MMC_GET_TYPE 10 // Get card type
neilt6 11:67ddc53e3983 61 #define MMC_GET_CSD 11 // Get CSD
neilt6 11:67ddc53e3983 62 #define MMC_GET_CID 12 // Get CID
neilt6 11:67ddc53e3983 63 #define MMC_GET_OCR 13 // Get OCR
neilt6 11:67ddc53e3983 64 #define MMC_GET_SDSTAT 14 // Get SD status
neilt6 11:67ddc53e3983 65
neilt6 11:67ddc53e3983 66 // ATA/CF specific ioctl command
neilt6 11:67ddc53e3983 67 #define ATA_GET_REV 20 // Get F/W revision
neilt6 11:67ddc53e3983 68 #define ATA_GET_MODEL 21 // Get model name
neilt6 11:67ddc53e3983 69 #define ATA_GET_SN 22 // Get serial number
neilt6 11:67ddc53e3983 70
neilt6 11:67ddc53e3983 71 // NAND specific ioctl command
neilt6 11:67ddc53e3983 72 #define NAND_FORMAT 30 // Create physical format
neilt6 11:67ddc53e3983 73
neilt6 11:67ddc53e3983 74
neilt6 11:67ddc53e3983 75 #define _DISKIO
neilt6 11:67ddc53e3983 76 #endif