libchain.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:      	libchain.h
*
* Programmer:    	Greg 
*
* Created: 	 	1/2/2008
*
* Description: 		public functions 
*              
*        
* Change History (most recent first):	2008.1.2
****************************************************************/
#ifndef __LIBCHAIN_H__
#define __LIBCHAIN_H__


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

//int ChainChangeSize(DRIVE *, CHAIN *, UDWORD );
//int ChainCopy(DRIVE *, CHAIN *, DRIVE *, CHAIN *);
UDWORD ChainCurrentSector(CHAIN *);
//int ChainExtending(DRIVE *, CHAIN *);
void ChainFree(DRIVE *, CHAIN *);
UDWORD ChainGetContinuity(DRIVE *, CHAIN *, UDWORD *);
//BYTE ChainGet1Sector(DRIVE *drv, CHAIN *chain);
BYTE ChainGet1Sector(DRIVE *drv, CHAIN *chain, BYTE offset);

UDWORD ChainGetLba(CHAIN *);
BYTE ChainGetOffset(CHAIN *chain);

void ChainInit(DRIVE *, CHAIN *, UDWORD , UDWORD );
BYTE ChainRead(DRIVE *, CHAIN *, BYTE *, UDWORD );
BYTE ChainReadMp3(CHAIN *chain);
BYTE ChainReadSector(DRIVE *drv, CHAIN *chain, BYTE *buffer);

//int ChainWrite(DRIVE *, CHAIN *, BYTE *, UDWORD );
BYTE ChainSeek(CHAIN *, UDWORD );
void ChainSeekSet(CHAIN *);
void ChainSeekEnd(DRIVE *, CHAIN *);
BYTE ChainSeekForward(CHAIN *, UDWORD );
//int SectorClear(DRIVE *, UDWORD , SDWORD );
//int ChainFragmentWrite(DRIVE *, CHAIN *, BYTE *, UDWORD );
//int ChainFragmentRead(DRIVE *, CHAIN *, BYTE *, UDWORD );
BYTE ChainFragmentReadMp3(DRIVE *drv, CHAIN *chain, DWORD size);



#endif//__LIBCHAIN_H__