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 #define STA_NOINIT        0x01    /* Drive not initialized */
00010 #define STA_NODISK        0x02    /* No medium in the drive */
00011 
00012 /* Card type flags (CardType) */
00013 #define CT_MMC                0x01    /* MMC ver 3 */
00014 #define CT_SD1                0x02    /* SD ver 1 */
00015 #define CT_SD2                0x04    /* SD ver 2 */
00016 #define CT_SDC                (CT_SD1|CT_SD2)    /* SD */
00017 #define CT_BLOCK            0x08    /* Block addressing */
00018 
00019 /* Status of Disk Functions */
00020 typedef BYTE    DSTATUS;
00021 
00022 /* Results of Disk Functions */
00023 typedef enum {
00024     RES_OK = 0,        /* 0: Function succeeded */
00025     RES_ERROR,        /* 1: Disk error */
00026     RES_NOTRDY,        /* 2: Not ready */
00027     RES_PARERR        /* 3: Invalid parameter */
00028 } DRESULT;
00029 
00030 /*---------------------------------------*/
00031 /* Prototypes for disk control functions */
00032 
00033 DSTATUS disk_initialize (void);
00034 DRESULT disk_readp (BYTE*, DWORD, WORD, WORD);
00035 DRESULT disk_writep (const BYTE*, DWORD);
00036 
00037 #define _DISKIO
00038 #endif