/*******************************Copyright (c)***************************************

                              桑海為實業(yè)發(fā)展有限公司
                         自  動  化  鋼  琴  研  究  所
                           http://www.pianoshw.com
                           E-mail:shw@pianoshw.com

----------------------------------文件信息-------------------------------------------

文  件  名 : FAT.H
創(chuàng)  建  人 : 吳應斌
創(chuàng) 建 日 期: 2004-6-7 10:08
功 能 描 述: SL811文件系統(tǒng)函數說明(FAT.C)

************************************************************************************/

#ifndef _FAT_H_
#define _FAT_H_

/*---------------------------------------------------------------------------------*/
unsigned long FirstSectorofCluster(unsigned int n);
unsigned int ThisFatSecNum(unsigned int clusterNum);
unsigned int ThisFatEntOffset(unsigned int clusterNum);
unsigned int GetNextClusterNum(unsigned int clusterNum);
unsigned char GoToPointer(unsigned long pointer);
unsigned int GetFreeCusterNum(void);
unsigned int CreateClusterLink(unsigned int currentCluster);
unsigned char DeleteClusterLink(unsigned int clusterNum);
void UpdateFat(unsigned long sectorNum);

/*---------------------------------------------------------------------------------*/
#endif