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/*
* This file is part of the pastilda project.
* hosted at http://github.com/thirdpin/pastilda
*
* Copyright (C) 2016 Third Pin LLC
*
* Written by:
* Anastasiia Lazareva <a.lazareva@thirdpin.ru>
* Dmitrii Lisin <mrlisdim@ya.ru>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef FILE_SYSTEM_H
#define FILE_SYSTEM_H
#include <fs/fatfs/diskio.h>
#include <fs/fatfs/ff.h>
#include <fs/file_system_defines.h>
#include <libopencm3/cm3/scb.h>
class FileSystem
{
public:
FATFS FATFS_Obj;
FileSystem();
static int access_memory(MemoryCommand cmd, uint32_t sector, uint32_t count, uint8_t *copy_to, const uint8_t *copy_from);
void erase_chip();
void format_to_FAT12();
static int msd_read(uint32_t lba, uint8_t *copy_to);
static int msd_write(uint32_t lba, const uint8_t *copy_from);
static int msd_blocks(void);
static FRESULT open_file_to_read(FIL *file, const char *name);
static FRESULT open_file_to_write(FIL *file, const char *name);
static FRESULT close_file(FIL *file);
static FRESULT read_next_file_chunk(FIL *file, void *buffer, uint32_t size);
static FRESULT write_next_file_chunk(FIL *file, void *buffer, uint32_t size);
static uint32_t get_file_tell(FIL *file);
static FRESULT read_file(FIL *file, const char *name, uint8_t *buffer);
static FRESULT write_file(FIL *file, const char *name, uint8_t *buffer, uint32_t size);
private:
SST25 _sst25;
FatState get_fat_state();
void _set_master_boot_record();
void _set_FAT();
void _set_root_directory();
};
#endif
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