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 
00010 /* Status of Disk Functions */
00011 typedef BYTE    DSTATUS;
00012 
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 /*---------------------------------------*/
00024 /* Prototypes for disk control functions */
00025 
00026 DSTATUS disk_initialize (void);
00027 DRESULT disk_readp (BYTE*, DWORD, WORD, WORD);
00028 DRESULT disk_writep (const BYTE*, DWORD);
00029 
00030 #define STA_NOINIT      0x01    /* Drive not initialized */
00031 #define STA_NODISK      0x02    /* No medium in the drive */
00032 
00033 /* Card type flags (CardType) */
00034 #define CT_MMC              0x01    /* MMC ver 3 */
00035 #define CT_SD1              0x02    /* SD ver 1 */
00036 #define CT_SD2              0x04    /* SD ver 2 */
00037 #define CT_SDC              (CT_SD1|CT_SD2) /* SD */
00038 #define CT_BLOCK            0x08    /* Block addressing */
00039 
00040 #define _DISKIO
00041 #endif