fat16文件系统 c文件

/* =========================================================================== */
/* Project:        mp3 player                */
/* File:           fat16.c                                                  */
/* Organization:   cug-1200525                  */
/* Author:         yuyongbao                       */
/* Date:           6/19/2007                 */
/* Describe:       fat16                */
/* =========================================================================== */
#include "..\lib_config.h"
#include "FAT16.h"
#include "string.h"
//********************************************************************************************
//deine value which may be used in each function
uint8  BUFFER[512];              //a sectors size
uint16 BPB_BytsPerSec;
uint8  BPB_SecPerClus;  
uint16 BPB_RsvdSecCnt; 
uint8  BPB_NumFATs;     
uint16 BPB_RootEntCnt; 
uint16 BPB_TotSec16;   
uint16 BPB_FATSz16;    
uint32 BPB_HiddSec;
uint32 BPB_TotSec32;
/////whe