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/*
*
* $Id: fat.h,v 1.1 2003/04/23 08:34:15 crunchy Exp $
*
* Library for USB MPIO-*
*
* Markus Germeier (mager@tzi.de)
*
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* */
#ifndef _MPIO_FAT_H_
#define _MPIO_FAT_H_
#include "defs.h"
#ifdef __cplusplus
extern "C" {
#endif
/* generate fresh boot sectors for formatting of external mem */
BYTE *mpio_mbr_gen(BYTE);
BYTE *mpio_pbr_gen(BYTE);
/* only needed for external memory */
int mpio_bootblocks_read(mpio_t *, mpio_mem_t);
int mpio_mbr_eval(mpio_smartmedia_t *);
int mpio_pbr_eval(mpio_smartmedia_t *);
/* functions on the FAT for internal *and* external */
int mpio_fat_read(mpio_t *, mpio_mem_t, mpio_callback_init_t);
int mpio_fat_write(mpio_t *, mpio_mem_t);
int mpio_fat_clear(mpio_t *, mpio_mem_t);
int mpio_fat_free_clusters(mpio_t *, mpio_mem_t);
int mpio_fat_free(mpio_t *, mpio_mem_t);
/* functions to iterate through the FAT linked list(s) */
mpio_fatentry_t *mpio_fatentry_new(mpio_t *, mpio_mem_t, DWORD, BYTE);
int mpio_fatentry_plus_plus(mpio_fatentry_t *);
mpio_fatentry_t *mpio_fatentry_find_free(mpio_t *, mpio_mem_t, BYTE);
int mpio_fatentry_next_free(mpio_t *, mpio_mem_t,
mpio_fatentry_t *);
int mpio_fatentry_next_entry(mpio_t *, mpio_mem_t,
mpio_fatentry_t *);
DWORD mpio_fatentry_read(mpio_t *, mpio_mem_t, mpio_fatentry_t *);
int mpio_fatentry_write(mpio_t *, mpio_mem_t, mpio_fatentry_t *,
WORD);
int mpio_fatentry_set_free (mpio_t *, mpio_mem_t,
mpio_fatentry_t *);
int mpio_fatentry_set_defect(mpio_t *, mpio_mem_t,
mpio_fatentry_t *);
int mpio_fatentry_set_eof(mpio_t *, mpio_mem_t,
mpio_fatentry_t *);
int mpio_fatentry_set_next(mpio_t *, mpio_mem_t,
mpio_fatentry_t *, mpio_fatentry_t *);
int mpio_fatentry_is_defect(mpio_t *, mpio_mem_t,
mpio_fatentry_t *);
/* finding a file is fundamental different for internal mem */
int mpio_fat_internal_find_startsector(mpio_t *, BYTE);
BYTE mpio_fat_internal_find_fileindex(mpio_t *);
/* mapping logical <-> physical for internal memory only */
void mpio_fatentry_hw2entry(mpio_t *, mpio_fatentry_t *);
void mpio_fatentry_entry2hw(mpio_t *, mpio_fatentry_t *);
#ifdef __cplusplus
}
#endif
#endif /* _MPIO_FAT_H_ */
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