1 //----------------------------------------------------------------------- 2 // Low level disk interface modlue include file 3 //----------------------------------------------------------------------- 4 5 #ifndef _DISKIO 6 7 #define _READONLY 0 // 1: Remove write functions 8 #define _USE_IOCTL 1 // 1: Use disk_ioctl fucntion 9 10 #include "integer.h" 11 12 13 // Status of Disk Functions 14 typedef BYTE DSTATUS; 15 16 // Results of Disk Functions 17 typedef enum { 18 RES_OK = 0, // 0: Successful 19 RES_ERROR, // 1: R/W Error 20 RES_WRPRT, // 2: Write Protected 21 RES_NOTRDY, // 3: Not Ready 22 RES_PARERR // 4: Invalid Parameter 23 } DRESULT; 24 25 26 // Prototypes for disk control functions 27 28 int assign_drives (int, int); 29 DSTATUS disk_initialize (BYTE); 30 DSTATUS disk_status (BYTE); 31 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE); 32 #if _READONLY == 0 33 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE); 34 #endif 35 DRESULT disk_ioctl (BYTE, BYTE, void*); 36 37 38 39 // Disk Status Bits (DSTATUS) 40 #define STA_NOINIT 0x01 // Drive not initialized 41 #define STA_NODISK 0x02 // No medium in the drive 42 #define STA_PROTECT 0x04 // Write protected 43 44 45 // Command code for disk_ioctrl fucntion 46 47 // Generic command (defined for FatFs) 48 #define CTRL_SYNC 0 // Flush disk cache (for write functions) 49 #define GET_SECTOR_COUNT 1 // Get media size (for only f_mkfs()) 50 #define GET_SECTOR_SIZE 2 // Get sector size (for multiple sector size (_MAX_SS >= 1024)) 51 #define GET_BLOCK_SIZE 3 // Get erase block size (for only f_mkfs()) 52 #define CTRL_ERASE_SECTOR 4 // Force erased a block of sectors (for only _USE_ERASE) 53 54 // Generic command 55 #define CTRL_POWER 5 // Get/Set power status 56 #define CTRL_LOCK 6 // Lock/Unlock media removal 57 #define CTRL_EJECT 7 // Eject media 58 59 // MMC/SDC specific ioctl command 60 #define MMC_GET_TYPE 10 // Get card type 61 #define MMC_GET_CSD 11 // Get CSD 62 #define MMC_GET_CID 12 // Get CID 63 #define MMC_GET_OCR 13 // Get OCR 64 #define MMC_GET_SDSTAT 14 // Get SD status 65 66 // ATA/CF specific ioctl command 67 #define ATA_GET_REV 20 // Get F/W revision 68 #define ATA_GET_MODEL 21 // Get model name 69 #define ATA_GET_SN 22 // Get serial number 70 71 // NAND specific ioctl command 72 #define NAND_FORMAT 30 // Create physical format 73 74 75 #define _DISKIO 76 #endif 77