driver.h

fs_lib,arm9的fat文件系统

/*
 * @(#)Driver.h
 * @date 2005/12/25
 * @version 1.0
 * @author Zhou Shangpin.
 * Copyright 2005 Anyka corporation, Inc. All rights reserved.
 * ANYKA PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

#ifndef		_DRIVER_H_
#define		_DRIVER_H_
#include	"partition.h"
#include	"list.h"
#include	"ustring.h"

typedef	struct Driver	T_DRIVER;
typedef	struct Driver*	T_PDRIVER;

typedef	T_BOOL (*F_SREAD)(T_POBJECT file);
typedef	T_BOOL (*F_SWRITE)(T_POBJECT file);

typedef enum
{
	FS_FAT = 0,
	FS_NTFS = 1,
	FS_HFS = 2,
	FS_EXT = 3
}E_FS;

typedef enum
{
	FS_SEARCH_FILE,
	FS_SEARCH_FOLDER,
	FS_SEARCH_NOEXIST,
	FS_SEARCH_ERROR
}E_FSSEARCH;

struct Driver
{
	T_OBJECT	object;
	T_PMEDIUM	medium;				//mediu object
	T_U32		SecBit;				//sector length
	T_U8*		buf;				//buffer
	T_U32*		addr;				//save data addr.
	T_U32		BufLen;				//buffer length
	T_U32		StartSector;		//start in medium.
	T_U32		capacity;			//capactiy
	T_CHAR		separator[2];		//'/' or '\\'
	E_CODE		code;				//CODE_ENG, CODE_GBK
	E_FS		fs;					//FAT, NTFS, HFS+, EXT3
	T_U32		DefaultPath;		//default path id
	T_PLIST		FileList;			//all of open file.
	E_FSSEARCH	result;				//
	T_POBJECT	msg;				//bpb object.
};

T_VOID Driver_Destroy(T_PDRIVER driver);
T_PDRIVER Driver_Initial(T_PPARTITION, T_U32 dn, T_U32 BufLen, E_CODE code);
T_BOOL Global_MountDriver(T_PDRIVER driver, T_U8 DriverNo);
T_PDRIVER Driver_Format(T_PMEDIUM medium, T_U32 start, T_U32 total, T_U32 BufLen, E_CODE code);
T_BOOL Driver_InsertFile(T_PDRIVER driver, T_POBJECT file);
T_U32 Driver_GetCapacity(T_PDRIVER driver, T_U32 *high);
T_U32 Driver_GetUsedSize(T_PDRIVER driver, T_U32 *high);
T_U32 Driver_GetFreeSize(T_PDRIVER driver, T_U32 *high);
T_PDRIVER Driver_GetObject(T_U8 DeviceId);
T_U32 Driver_GetOpenTotal(T_PDRIVER driver);
T_BOOL Driver_SetDefault(T_U8 dn);
T_VOID Driver_QuickFormat(T_PDRIVER driver);

#endif