diskio.h

00001 /*-----------------------------------------------------------------------
00002 /  Low level disk interface modlue include file   (C)ChaN, 2010
00003 /-----------------------------------------------------------------------*/
00004 
00005 #ifndef _DISKIO
00006 #define _DISKIO
00007 
00008 #define _READONLY     0    /* 1: Remove write functions */
00009 #define _USE_IOCTL    1    /* 1: Use disk_ioctl fucntion */
00010 
00011 #include "integer.h"
00012 
00013 #ifdef __cplusplus
00014 extern "C" {
00015 #endif
00016 
00017 /* Status of Disk Functions */
00018 typedef BYTE    DSTATUS;
00019 
00020 /* Results of Disk Functions */
00021 typedef enum {
00022     RES_OK = 0,        /* 0: Successful */
00023     RES_ERROR,        /* 1: R/W Error */
00024     RES_WRPRT,        /* 2: Write Protected */
00025     RES_NOTRDY,        /* 3: Not Ready */
00026     RES_PARERR        /* 4: Invalid Parameter */
00027 } DRESULT;
00028 
00029 
00030 /*---------------------------------------*/
00031 /* Prototypes for disk control functions */
00032 
00033 int assign_drives (int, int);
00034 DSTATUS disk_initialize (BYTE);
00035 DSTATUS disk_status (BYTE);
00036 DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
00037 DWORD get_fattime(void);
00038 #if    _READONLY == 0
00039 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
00040 #endif
00041 DRESULT disk_ioctl (BYTE, BYTE, void*);
00042 
00043 
00044 
00045 /* Disk Status Bits (DSTATUS) */
00046 
00047 #define STA_NOINIT        0x01    /* Drive not initialized */
00048 #define STA_NODISK        0x02    /* No medium in the drive */
00049 #define STA_PROTECT        0x04    /* Write protected */
00050 
00051 
00052 /* Command code for disk_ioctrl fucntion */
00053 
00054 /* Generic command (defined for FatFs) */
00055 #define CTRL_SYNC            0    /* Flush disk cache (for write functions) */
00056 #define GET_SECTOR_COUNT    1    /* Get media size (for only f_mkfs()) */
00057 #define GET_SECTOR_SIZE        2    /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
00058 #define GET_BLOCK_SIZE        3    /* Get erase block size (for only f_mkfs()) */
00059 #define CTRL_ERASE_SECTOR    4    /* Force erased a block of sectors (for only _USE_ERASE) */
00060 
00061 /* Generic command */
00062 #define CTRL_POWER            5    /* Get/Set power status */
00063 #define CTRL_LOCK            6    /* Lock/Unlock media removal */
00064 #define CTRL_EJECT            7    /* Eject media */
00065 
00066 /* MMC/SDC specific ioctl command */
00067 #define MMC_GET_TYPE        10    /* Get card type */
00068 #define MMC_GET_CSD            11    /* Get CSD */
00069 #define MMC_GET_CID            12    /* Get CID */
00070 #define MMC_GET_OCR            13    /* Get OCR */
00071 #define MMC_GET_SDSTAT        14    /* Get SD status */
00072 
00073 /* ATA/CF specific ioctl command */
00074 #define ATA_GET_REV            20    /* Get F/W revision */
00075 #define ATA_GET_MODEL        21    /* Get model name */
00076 #define ATA_GET_SN            22    /* Get serial number */
00077 
00078 /* NAND specific ioctl command */
00079 #define NAND_FORMAT            30    /* Create physical format */
00080 
00081 #ifdef __cplusplus
00082 }
00083 #endif
00084 
00085 #endif