libfatif.h

威望公司MP3 + USB MCU 的参考软件

/****************************************************************
*                      Viaon Technology (Suzhou) Co.,Ltd
*
*    Copyright 2007, Viaon Technology (Suzhou) Co.,Ltd,Suzhou,China
*                    All rights reserved.
*
*
* Filename:      	libfatif.h
*
* Programmer:    	Greg 
*
* Created: 	 	1/2/2008
*
* Description: 		public functions 
*              
*        
* Change History (most recent first):	2008.1.2
****************************************************************/

#ifndef __LIBFATIF_H__
#define __LIBFATIF_H__

#include "utiltypedef.h"
#include "libfat.h"

#if 1
typedef struct
{
    DWORD dwStart;
    DWORD dwSize;
    //BYTE bName[8];
} ST_SEARCH_INFO;

typedef struct 
{
//	char szIDTAG[6];  //"VIAON" ID tag
	BYTE byVer;         //version
//	BYTE bySize;       //size of the structure
	BYTE byFMIdx;    //fm level of last storage
//	BYTE byVolIdx;	//vol level of last storage
	SWORD swMp3Idx;     //index of the mp3
	SWORD swTotalCnt;
	ST_SEARCH_INFO SearchInfo; //mp3 info
}STORAGE_INFO;

//SEARCH_MP3_TOTALCNT, SEARCH_MP3_NEXT/SEARCH_MP3_PREV, SEARCH_MP3_JUMP
#define SEARCH_MP3_TOTALCNT	0x11
#define SEARCH_MP3_NEXT		0x12
#define SEARCH_MP3_PREV		0x13
#define SEARCH_MP3_JUMP		0x14

typedef struct
{
	SWORD swTotalCnt;
	SWORD swIdx;
	SWORD swJump;
	BYTE bySType;
} ST_MP3_SREQ;

#endif

void FileSystemInit();

//Drive function
BYTE DriveAdd(BYTE devID);
//DRIVE *DriveChange(BYTE drive_id);
DRIVE *DriveGet(void);
//BYTE DriveFlush(DRIVE *drv, BOOL bSkip);
BYTE DriveFlush(BOOL bSkip);


//File Function
STREAM *FileOpenMp3(DRIVE *drv, ST_SEARCH_INFO *sinfo);
WORD FileReadMp3(STREAM *handle);
BYTE FileSearch(ST_SEARCH_INFO *sSearchInfo, ST_MP3_SREQ *sMp3SReq);





#endif