?? fat.h
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/*
* Copyright (c) 2003-2004 K. John '2B|!2B' Crispin
* Copyright (c) 2005 Stephan Dobretsberger
*
* 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, MA02111-1307USA
*
* Feedback, Bugs, ... mail stephan.dobretsberger@gmx.at
*
*/
#ifndef __FAT_H__
#define __FAT_H__
//#define FAT_WRITE in the following file
/*------------------ FAT LAYER --------------*/
//starts the fat
void FAT_startup(void);
// this function gets the addr in the data region for the next cluster of a file
void FAT_get_next_clus_addr(u16* sectorh, u16* sectorl);
/*------------------ FIO LAYER --------------*/
// this datastructutre stores the address of the current directory that we are in
// and the file that we are currently processing
typedef struct _DIR
{ u16 dir_currenth ;
u16 dir_currentl;
u16 dir_current_entry;
} DIR;
// all the info we need for a file
typedef struct _FILE
{ u16 file_current_clusterh;
u16 file_current_clusterl;
u08 file_current_sector;
u16 file_first_clusterh;
u16 file_first_clusterl;
u16 file_sizeh;
u16 file_sizel;
u16 file_full_sizeh;
u16 file_full_sizel;
u16 file_offset;
u08 name[11];
#ifdef LFN_SUPPORT
u08 lfn_name[(LFN_MAX_BLOCK * 13) + 1];
#endif
} FILE;
// this value should never be bigger than 512
#define FAT_RD_BUF_SIZE 0x20
// plus one for '\0
#define FAT_PRINT 0x01
#define FAT_FILENAME 0x02
#define FAT_DIRNAME 0x03
#define FAT_FILENUM 0x04
#define FAT_DIRNUM 0x05
bool fat_dir_ctl(u08 mode, FILE *stream, DIR *dir, u08* name, u08 count);
/*------------------ FIO API LAYER --------------*/
bool fopen(u08 *filename, u08 mode, FILE *stream);
bool fopenc(u08 count, u08 mode, u08* mask, FILE *stream);
void fclose(FILE *stream);
bool feof(FILE *stream);
bool fisopen(FILE *stream);
u08* fgetfilename(FILE *stream);
// this function does not update the FILE structures size parameters
bool fplay_sector(FILE *stream);
u08* fget(FILE *stream, u16 size);
// passing NULL as *dir param will make the api use the default internal *directory struct
bool dir_enter(u08 *dirname, DIR *dir);
bool dir_leave(DIR *dir);
void dir_list(DIR *dir);
void dir_root(DIR *dir);
#endif
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