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

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

/*
*******************************************************************************
*        #define CONSTANTS
*******************************************************************************
*/


/*
 define the FDB attribute mask
*/
#define FDB_READ_ONLY     0x01
#define FDB_HIDDEN        0x02
#define FDB_SYSTEM        0x04
#define FDB_LABEL         0x08
#define FDB_SUB_DIR       0x10
#define FDB_ARCHIVE       0x20
#define FDB_LONG_NAME     0x0f    //TPL (FDB_READ_ONLY + FDB_HIDDEN + FDB_SYSTEM + FDB_LABEL)

//SeekFile
#define SEEK_SET    0
#define SEEK_CUR    1
#define SEEK_END    2

/*
 define the FAT entry constant
*/
#define FAT32_EOC        0x0fffffff
#define FAT16_EOC        0xffff
#define FAT12_EOC        0xfff

#define GLOBAL_SEARCH                   0x1
#define LOCAL_SEARCH                    0x2
#define LOCAL_RESURSIVE_SEARCH          0x4
#define LOCAL_SEARCH_INCLUDE_FOLDER     0x8

#define SEARCH_INFO_FOLDER          0x1
#define SEARCH_INFO_FILE            0x2
#define SEARCH_INFO_CHANGE_PATH     0x4


/*
*******************************************************************************
*        GLOBAL MACROS
*******************************************************************************
*/

/* none */

/*
*******************************************************************************
*        GLOBAL DATA TYPES 
*******************************************************************************
*/

void StreamInit(void);
//STREAM *FileOpen(DRIVE *drv);


//UDWORD FileSizeGet(STREAM* handle);
//void SeekSet(STREAM *handle);
//WORD FileReadSector(STREAM *handle, BYTE *buffer);
//WORD FileReadSector(STREAM *handle, BYTE *buffer);

//BYTE FileExtSearch (DRIVE *sDrv, DWORD *pdwExtArray, ST_SEARCH_INFO *sSearchInfo, BYTE dwMaxElement, BYTE *pdwRecordElement, BYTE bSearchType);
//BYTE FileSearch(BYTE byMaxElmnt, BYTE bSearchType, BOOL bContinue, BOOL  bBkwd, DRIVE *sDrv, DWORD* dwExtArr, ST_SEARCH_INFO *sSearchInfo);


//void FileSearchTest(DRIVE *sDrv);
//BYTE FileSearchNext(DRIVE *sDrv, ST_SEARCH_INFO *sSearchInfo, ST_MP3_SREQ *sMp3SReq);
//BYTE FileSearchPrev(DRIVE *sDrv, ST_SEARCH_INFO *sSearchInfo, ST_MP3_SREQ *sMp3SReq);



#endif