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FileSystem.h：源码内容
							/*==========================================================================
Copyright (c) 2004 ALi Corporation. All Rights Reserved
File: FileSystem.h
content: 
History: Created by David Chiu	2004/3/30
==========================================================================*/
#ifdef _FILE_SYSTEM_H_
	#define EXTERN
	#define _AT_(addr)	_at_ addr
#else
	#define	EXTERN	extern
	#define _AT_(addr)
#endif
//init file system struct "gstFsFileInf"
#define INIT_FSFILEInf()										
{														
	stFsFileInf.pbFileName=gxbFileName;				
	stFsFileInf.pbLongFileName=gxbLongFileName;		
	stFsFileInf.bPathDepth=0;							
	stFsFileInf.dwDirStartSec=gxdwRoot;				
	/*gpstFileIndex=&stFsFileInf;*/						
}
//David 050318 , remodify file structure
/*
#if(_PM_INIT_|_PM_PLAY_|_PM_REC_|_PM_FM_|_PM_SYS_|_PM_MTP_)
//add by tne 2005/01/19 #1
EXTERN struct FILE_INF_DATA	xdata stFsFileInf;
EXTERN struct FILE_BRIEF	xdata stPlayFileb,stLrcFileb;		//Vicky050310
//init file system struct
#define FILE_SYSTEM_STRUCT_INIT()	{									
			stFsFileInf.pbFileName=gxbFileName;							
			stFsFileInf.pbLongFileName=gxbLongFileName;					
			stFsFileInf.bPathDepth=0;									
			stFsFileInf.dwDirStartSec=gxdwRoot;							
}
#endif
#define	gxdwDirSec			stFsFileInf.dwDirSec
#define	gxwDirOffset		stFsFileInf.wDirOffset
#define	gxbPathDepth		stFsFileInf.bPathDepth
#define	gxdwFileSize		stFsFileInf.dwFileSize
#define	gxdwFileTotalSector	stFsFileInf.dwFileTotalSector
#define	gxdwFileStartClu		stFsFileInf.dwFileStartClu
#define	gxdwDirStartSec		stFsFileInf.dwDirStartSec
*/
//add by tne 2005/05/11
//Use Full Fomrat, the max capacity for FAT16
//Storage sector less than this will use FAT16, otherwise use FAT32
//#define FORMAT_FAT16_MAX_CAP	0x40000			//128 MB (include)
//#define FORMAT_FAT16_MAX_CAP	0x80000			//256 MB (include)
//#define FORMAT_FAT16_MAX_CAP	0x100000		//512 MB (include)
#define FORMAT_FAT16_MAX_CAP	0x220000		//1024 MB (include)
#define ATTR_NORMAL				0x00
#define ATTR_READ_ONLY			0x01
#define ATTR_HIDDEN				0x02
#define ATTR_SYSTEM				0x04
#define ATTR_LABEL				0x08
#define ATTR_SUB_DIR			0x10
#define ATTR_ARCHIVE			0x20
#define ATTR_LONG_FILE_NAME		0x0f
//move by tne 2005/01/07 #2
#if(_PM_HST_|_PM_FM_|_PM_PHOTO_|_PM_MTP_) //Walace060918#1 
EXTERN API bit FsRead(DWORD, BYTE, BYTE) large;
#else
EXTERN API bit FsRead(DWORD, BYTE, BYTE) ;
#endif
//modify by tne 2005/02/15
#if(_PM_INIT_|_PM_SYS_|_PM_MTP_INIT_|_PM_SAVE_|SETTING_FOR_ICE_START|_PM_INIT_CHK_|_PM_VIDEO_)
EXTERN API bit FsInit(void) large;
#endif
EXTERN API bit FsRecInit(void); //David051014  //Walace060503#1
EXTERN API bit FsInfoCheck(void) large; //David051014  
#if((_PM_INIT_|_PM_SYS_|_PM_REC_|_PM_MTP_|_PM_SAVE_|_PM_MTP_INIT_|_PM_INIT_CHK_))
	#if(_PM_MTP_|_PM_MTP_INIT_)	//060728
	EXTERN API bit FsDirEntryInit(DWORD dwStartDirClu, DWORD dwParentDirClu, BYTE bDirAttr) large;
	EXTERN API bit FsFindDir(PBYTE pbDirName, BOOL fCreate, DWORD dwParentDirClu, BYTE bDirAttr) large;	//allen050811
	#else
	EXTERN API bit FsFindDir(BYTE bDirIndex,PBYTE pbDirName, BOOL fCreate,BYTE bDirAttr) large;//vicky050118 remodify	//tne 2006/12/07 #3
	#endif
#endif
//Chris add |_PM_PLAY_ for playcount 060721 #1
//#if(_PM_MTP_|_PM_MTP_INIT_|_PM_SLS_|_PM_PHOTO_|_PM_VIDEO_|_PM_DIR_DEL_|_PM_PLAY_DEL_|_PM_SYS_|_PM_PLAY_)
	EXTERN API bit FsReadFileSectorNew(DWORD dwSector,BYTE bSrampath) large;
//#endif
//Chris061020 #3 add 
#if(_PM_MTP_|_PM_MTP_INIT_)
	EXTERN API bit FsSetFileCluPointToEnd	( void ) large;	//Chris add 061020 #3
	EXTERN API bit FsReadDBFileSector(DWORD dwSector, BYTE bSrampath, BOOL fQuickDb, BYTE bSetSectorOnly) large; //Chris Test 061014 #2
#endif
#if(_PM_SLS_|_PM_PHOTO_|_PM_VIDEO_|_PM_PLAY_|_PM_SYS_|_PM_MTP_|_PM_MTP_INIT_|_PM_INIT_CHK_|_PM_PLAY_DEL_|_PM_DIR_DEL_) 
#if(!(_PM_MTP_|_PM_MTP_INIT_))	//060728
EXTERN API bit FsReadFileSector(DWORD dwSector, BOOL  fLrcfile ,  BYTE bSrampath) ;   //Vicky050321
#endif
EXTERN API bit FsOpenFile(BYTE bOpenType) large;
#if(!(_PM_SLS_|_PM_INIT_CHK_))
EXTERN API BOOL FsChangeDir(BYTE bChangeType) ; //Walace060918#1
#endif
#endif
#if(_PM_SYS_|_PM_MTP_|_PM_MTP_INIT_|_PM_REC_|_PM_PLAY_DEL_|_PM_DIR_DEL_)
EXTERN API bit FsDeleteFile(void) large;
EXTERN API bit FsDirSerachFile(void) large;
#endif
#if(_PM_SYS_|_PM_MTP_INIT_|(REC_TEST&_PM_REC_)) //Vicky
EXTERN API bit FsQuickFormat(void) large;
EXTERN API bit FsFATFormat(DWORD dwFAT,BYTE) large;
EXTERN API bit FsFullFormat(void) large;
#endif
#if(_PM_INIT_|_PM_HST_|_PM_SYS_|_PM_REC_|_PM_MTP_|_PM_SAVE_|_PM_MTP_INIT_|_PM_INIT_CHK_|_PM_PLAY_DEL_|_PM_DIR_DEL_|(REC_TEST&_PM_REC_)) //Vicky Debug REC
	EXTERN DWORD FindEmptyClu(void);
#if(!_PM_HST_)//allen050920
	EXTERN bit FatWrite(DWORD dwCluNumber, DWORD dwEntryValue);
#endif
	EXTERN bit FsInfoUpdate(void);	//tne 2005/05/10
	EXTERN API bit FsOpenNewFile(BYTE bDirIndex, bit fFindEmptyClu) large;	//vicky050118 remodify
#endif
#if(_PM_REC_|_PM_INIT_CHK_)
	EXTERN API bit FsWriteFileHeader(void) large;
	EXTERN API bit FsWriteWmaHeader(void) large;
#endif
#if(_PM_REC_|_PM_MTP_|_PM_MTP_INIT_|_PM_INIT_|_PM_SYS_|_PM_SAVE_)	//060728	060821
	EXTERN API bit FsWriteFileSector(DWORD dwSector, BOOL fSkipRW) large;	//Chris061109#1
	EXTERN API bit FsWriteDirEntry(DWORD dwDirSec, WORD wDirOffset, DWORD dwFileSize, DWORD dwFileStartClu, BYTE bAttribute) large;
	//EXTERN API bit FsCloseFile(BYTE bDirIndex) large;	//vicky050118 remodify //Chris061024 #5 modify 
#endif
//Chris061024 #5 modify 
#if(_PM_REC_|_PM_INIT_|_PM_SYS_|_PM_SAVE_)	//060728	060821
	EXTERN API bit FsCloseFile(BYTE bDirIndex) large;	//vicky050118 remodify
#endif
//Walace060501#1
#if(!_PM_HST_)
EXTERN API bit FsWrite(DWORD, BYTE, BYTE) large;
EXTERN DWORD FatRead(DWORD dwCluNumber) large;
#endif
//End
//add by tne 2005/02/15
#if(_PM_MTP_|_PM_MTP_INIT_)
EXTERN API bit FOpenFile(IN PBYTE wpDirNameBuffer) large;
EXTERN API bit FsMTPCloseFile(BYTE bDirIndex) large;	//Chris061020 #1 add 
//EXTERN API bit FsForwardRead(DWORD, BOOL) large;//modify by tne 2005/04/13
EXTERN XDWORD gxdwFileRecSector;
EXTERN API BYTE SaveLongFileEntry(IN PBYTE pbUnicodeName, IN DWORD dwParentClu, IN PBYTE pbGeneralName) large;
#define MTP_ROOT_CLUSTER			0		//add by tne 2005/03/28
EXTERN bit fOpenWithLongName;
EXTERN bit fForwardReadFileSec;	//add by tne 2005/04/13
EXTERN bit fDeleteContinuous;	//060721
#endif
//EXTERN XDWORD 	gxdwLfnSector;
//EXTERN XWORD	gxwLfnOffset;
#if(_PM_MTP_)	//Allen060908: for MTP more code size
API void FsWriteEndOfFatEntry(DWORD dwFatNum) large;
#endif
#if(_PM_INIT_CHK_)
API BOOL FsEndOfFatEntry(DWORD dwFatNum) large;
API void FsWriteEndOfFatEntry(DWORD dwFatNum) large;
#endif
#if(_PM_PHOTO_|_PM_VIDEO_|_PM_PLAY_|_PM_SYS_|_PM_PLAY_DEL_|_PM_HST_|_PM_DIR_DEL_|_PM_MTP_INIT_)	//050803 host
EXTERN BYTE FsGetAnEntryLongFileName(PBYTE pbLongFileName,PBYTE pbEntryPoint,BYTE bEnterArea) ; //Walace061228#CodeSize
#endif
//Walace060809#2 remove to common.c for the sake of open source code
//EXTERN API bit StorageRead(void);
//EXTERN API bit StorageWrite(void);
#if(_PM_HST_)	//allen050627: for HOST only	050714: to UsbHostFat
EXTERN API bit FsCacheFree(BYTE bCacheIndex) large;	//allen050629: from UsbHostFa
EXTERN API bit FsCacheFreeAll(void) large;
#endif
API void FsWriteLabelName(void) large;	//tne 2005/12/19  //Walace060725#1
#undef EXTERN
#undef _AT_

						