diskio.h

00001 /*-----------------------------------------------------------------------
00002 /  PFF - Low level disk interface modlue include file    (C)ChaN, 2009
00003 /-----------------------------------------------------------------------*/
00004 
00005 #ifndef _DISKIO
00006 
00007 #include "integer.h"
00008 
00009 namespace PFFS {
00010 
00011 /* Status of Disk Functions */
00012 typedef BYTE    DSTATUS;
00013 
00014 /* Results of Disk Functions */
00015 typedef enum {
00016     RES_OK = 0,        /* 0: Function succeeded */
00017     RES_ERROR,        /* 1: Disk error */
00018     RES_NOTRDY,        /* 2: Not ready */
00019     RES_PARERR        /* 3: Invalid parameter */
00020 } DRESULT;
00021 
00022 /*---------------------------------------*/
00023 /* Prototypes for disk control functions */
00024 
00025 DSTATUS disk_initialize (void);
00026 DRESULT disk_readp (BYTE*, DWORD, WORD, WORD);
00027 DRESULT disk_writep (const BYTE*, DWORD);
00028 
00029 #define STA_NOINIT        0x01    /* Drive not initialized */
00030 #define STA_NODISK        0x02    /* No medium in the drive */
00031 
00032 /* Card type flags (CardType) */
00033 #define CT_MMC                0x01    /* MMC ver 3 */
00034 #define CT_SD1                0x02    /* SD ver 1 */
00035 #define CT_SD2                0x04    /* SD ver 2 */
00036 #define CT_SDC                (CT_SD1|CT_SD2)    /* SD */
00037 #define CT_BLOCK            0x08    /* Block addressing */
00038 
00039 } // namespace PFFS
00040 
00041 #define _DISKIO
00042 #endif
00043 
00044 
00045