fat32_definitions.h

一个FAT32文件系统的源代码,可用于嵌入式系统,并能够直接在linux下直接验证.

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//					    FAT32 File IO Library Linux Test Version
//									  V1.0L
// 	  								Rob Riglar
//								Copyright 2003,2004 
//
//   					  Email: [e-mail]
//
//			   Compiled and tested on Redhat 'Shrike' with GNU gcc
//-----------------------------------------------------------------------------
//
// This file is part of FAT32 File IO Library.
//
// FAT32 File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT32 File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT32 File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include "../structures.h"
#define 	clusterprint							 1 
//-----------------------------------------------------------------------------
// FAT32 Specific Statics
//-----------------------------------------------------------------------------
    #define Signature_Position						 510
	#define Signature_Value							 0xAA55
    #define PARTITION1_TYPECODE_LOCATION	 		 450
	#define FAT32_TYPECODE1						 	 0x0B
	#define FAT32_TYPECODE2						 	 0x0C
	#define PARTITION1_LBA_BEGIN_LOCATION	 		 454
	
//-----------------------------------------------------------------------------
// FAT32 File Attributes and Types
//-----------------------------------------------------------------------------
#define FILE_ATTR_READ_ONLY   	0x01
#define FILE_ATTR_HIDDEN 		0x02
#define FILE_ATTR_SYSTEM 		0x04
#define FILE_ATTR_SYSHID		0x06
#define FILE_ATTR_VOLUME_ID 	0x08
#define FILE_ATTR_DIRECTORY		0x10
#define FILE_ATTR_ARCHIVE  		0x20
#define FILE_ATTR_LFN_TEXT		0x0F
#define FILE_HEADER_BLANK		0x00
#define FILE_HEADER_DELETED		0xE5
#define FILE_TYPE_DIR			0x10
#define FILE_TYPE_FILE			0x20
#define FILE_TYPE_MP3			0x55


// File Listing Prototypes
byte FileNum_to_LoadItemInformation(UI32 StartCluster, word Filenum);
UI32 FileNum_to_Cluster(UI32 StartCluster, word Filenum);
void ListDirectory(UI32 StartCluster);
void ListDirectorySector(void);
void ExtractLongFileName(word recordoffset);