/* sd2snes - SD card based universal cartridge for the SNES
   Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
   AVR firmware portion

   Inspired by and based on code from sd2iec, written by Ingo Korb et al.
   See sdcard.c|h, config.h.

   FAT file system access based on code by ChaN, Jim Brain, Ingo Korb,
   see ff.c|h.

   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; version 2 of the License only.

   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

   fileops.h: simple file access functions
*/

#ifndef FILEOPS_H
#define FILEOPS_H
#include <arm/NXP/LPC17xx/LPC17xx.h>
#include "ff.h"

enum filestates { FILE_OK = 0, FILE_ERR, FILE_EOF };

#define GCC_ALIGN_WORKAROUND __attribute__ ((aligned(4)))
extern BYTE file_buf[512];
extern FATFS fatfs;
extern FIL file_handle;
extern FRESULT file_res;
extern uint8_t file_lfn[258];
extern uint16_t file_block_off, file_block_max;
extern enum filestates file_status;

void file_init( void );
void file_open( uint8_t *filename, BYTE flags );
void file_open_by_filinfo( FILINFO *fno );
void file_close( void );
UINT file_read( void );
UINT file_write( void );
UINT file_readblock( void *buf, uint32_t addr, uint16_t size );
UINT file_writeblock( void *buf, uint32_t addr, uint16_t size );

uint8_t file_getc( void );
#endif