medium.h

fs_lib,arm9的fat文件系统

/*
 * @(#)Medium.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		_MEDIUM_H_
#define		_MEDIUM_H_
#include	"object.h"

typedef	T_U32	(*F_ReadSector)(T_U8* buf, T_U32 start, T_U32 size);
typedef	T_U32	(*F_WriteSector)(T_U8* buf, T_U32 start, T_U32 size);
typedef	T_BOOL	(*F_Flush)(T_VOID);
typedef enum
{
	MEDIUM_RAM,
	MEDIUM_ROM,
	MEDIUM_NANDFLASH,
	MEDIUM_SD,
	MEDIUM_NORFLASH,
	MEDIUM_DISKETTE,
	MEDIUM_FILE,
	MEDIUM_NANDRES,
	MEDIUM_USBHOST,
	MEDIUM_UNKNOWN	
}E_MEDIUM;

struct Medium
{
	T_OBJECT object;
	E_MEDIUM type;
	T_U32 capacity;
	F_ReadSector read;
	F_WriteSector write;
	F_Flush flush;
	T_U32 SecBit;
	T_U8* msg;
};

typedef	struct Medium	T_MEDIUM;
typedef	struct Medium*	T_PMEDIUM;

//uninstall medium from system.
T_VOID Medium_Destroy(T_PMEDIUM obj);

#endif