file.h

Hardware and firmware for a DSP based digital audio MP3 player with USB pen drive funtionality, usin

/*
 * DSPdap-bootloader - DSP based Digital Audio Player, Bootloader
 * Copyright (C) 2004-2007 Roger Quadros <rogerquads @ yahoo . com>
 * http://dspdap.sourceforge.net
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: file.h,v 1.2 2007/06/03 08:54:03 Roger Exp $
 */

#include "types.h"
#include "FAT32.h"

// Global Structures
typedef struct  
{
UI32 startCluster;
UI32 fileSize;

UI32 currentCluster;	//indicates which cluster is currently being read from.
UI32 currentSectorInCluster;	//indicates which sector in the cluster is being read from
								//will always be >= 0 and <FAT32.sectors_per_cluster

UI32 bufferedWords;	//number of bytes pending in read buffer
UI16 bufferIdx;	//index pointer into buffer read buffer

UI32 byteNum;		//indicates number of bytes read.
char feof;	//indicates end of file if non zero.
}FILE;


void RemoveTrailingSpaces(const char* source, char *dest);
int CompareFileNames(char* name1, char* name2);
void Get8_3Filename(char* sfn, char* filename);
int GetMatchingRecord(UI32 dirCluster, char* nameToFind, DIR_ENTRY *pDirEntry);
FILE *fopen(char* fullPath);
int fread_sector(FILE *fp, void* buffer, int* pBytesRead);
int fread_3sectors(FILE *fp, unsigned int* buffer, int* pBytesRead);
int fread(FILE *fp, void* buffer, int wordsToRead);