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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_DEFINES_H
#define FILE_SYSTEM_DEFINES_H
#include <fs/drv/SST25.h>
#include <string.h>
#include "spi_ext.h"
typedef enum
{
READ,
WRITE
}MemoryCommand;
struct UsbMemoryControlParams {
const int block_count;
int (*read_block_func)(uint32_t lba, uint8_t *copy_to);
int (*write_block_func)(uint32_t lba, const uint8_t *copy_from);
};
struct FatMemoryControlParams {
int (*access_memory_func)(MemoryCommand cmd, uint32_t sector, uint32_t count, void *buf);
};
constexpr uint16_t FAKE_SECTOR_COUNT = 2048;//(MEMORY_SIZE / FAKE_SECTOR_SIZE);
constexpr uint8_t JUMP_BOOT_SIZE = 3;
constexpr uint8_t JUMP_BOOT_VALUE[JUMP_BOOT_SIZE] = {0xEB, 0xFF, 0x90};
constexpr uint8_t OEM_NAME_SIZE = 8;
constexpr uint8_t OEM_NAME_VALUE[OEM_NAME_SIZE] = {'M','S','W','I','N','4','.','1'};
constexpr uint16_t BYTES_PER_SECTOR = 512;
constexpr uint8_t SECTORS_PER_CLUSTER = 8;
constexpr uint16_t RESERVED_SECTORS = 1;
constexpr uint8_t FAT_COUNT = 2;
constexpr uint16_t ROOT_ENTRY_COUNT = 512;
constexpr uint16_t TOTAL_SECTORS_COUNT_FAT16 = 2048;//16384;
constexpr uint8_t REMOVABLE_MEDIA = 0xF8;
constexpr uint16_t SECTORS_PER_FAT = 1;
constexpr uint16_t SECTORS_PER_TRACK = 0;
constexpr uint16_t NUMBER_OF_HEADS = 0;
constexpr uint32_t HIDDEN_SECTORS_COUNT = 0;
constexpr uint32_t TOTAL_SECTORS_COUNT_FAT32 = 0;
constexpr uint8_t DRIVE_NUMBER = 0x80;
constexpr uint8_t BOOT_SIGNATURE = 0x29;
constexpr uint32_t VOL_SERIAL_NUMBER = 0xC4B1CDCF;
constexpr uint8_t VOLUME_LABLE_SIZE = 11;
constexpr uint8_t VOLUME_LABLE_VALUE[VOLUME_LABLE_SIZE] = {'N','O',' ','N','A','M','E',' ',' ',' ',' '};
constexpr uint8_t FS_TYPE_SIZE = 8;
constexpr uint8_t FS_TYPE_VALUE[FS_TYPE_SIZE] = {'F','A','T',' ','1','2',' ',' '};
constexpr uint16_t SIGNATURE = 0xAA55;
constexpr uint8_t BPB_OFFSET = 0;
constexpr uint16_t PARTITION_OFFSET = 446;
constexpr uint16_t SIGNATURE_OFFSET = 510;
constexpr uint8_t MBR_SECTOR = 0;
constexpr uint8_t MBR_SECTORS_COUNT = 1;
constexpr uint8_t FAT1_SECTOR = 1;
constexpr uint8_t FAT_SECTORS_COUNT = 1;
constexpr uint16_t BYTES_PER_FAT = (FAT_SECTORS_COUNT * BYTES_PER_SECTOR);
constexpr uint8_t FAT2_SECTOR = (FAT1_SECTOR + FAT_SECTORS_COUNT);
constexpr uint8_t FAT_HEADER_SIZE = 4;
constexpr uint8_t FAT_HEADER[FAT_HEADER_SIZE] = {0xF8, 0xFF, 0xFF, 0xFF};
constexpr uint8_t ROOT_SECTOR = (FAT2_SECTOR + FAT_SECTORS_COUNT);
constexpr uint8_t ROOT_SECTORS_COUNT = 32;
constexpr uint16_t BYTES_PER_ROOT = (ROOT_SECTORS_COUNT * BYTES_PER_SECTOR);
constexpr uint8_t NUMBER_OF_CHARS = 30;
constexpr uint8_t NUMBER_OF_FILES = 50;
#pragma pack (push, 1)
typedef struct {
uint8_t jump_boot[JUMP_BOOT_SIZE];
uint8_t oem_name[OEM_NAME_SIZE];
uint16_t bytes_per_sector;
uint8_t sectors_per_cluster;
uint16_t reserved_sectors_count;
uint8_t num_fats;
uint16_t root_entry_count;
uint16_t total_sectors_fat16;
uint8_t media;
uint16_t fat16_size;
uint16_t sector_per_track;
uint16_t number_of_heads;
uint32_t count_of_hidden_sectors;
uint32_t total_sectors_fat32;
}Bpb_base;
typedef struct {
Bpb_base bpb_base;
uint8_t drive_number;
uint8_t reserved_1;
uint8_t boot_signature;
uint32_t volume_serial_number;
uint8_t volume_label[VOLUME_LABLE_SIZE];
uint8_t filesystem_type[FS_TYPE_SIZE];
}Bpb_fat12_16;
typedef struct {
uint8_t bootable;
uint8_t first_head;
uint8_t first_sector;
uint8_t first_cylinder;
uint8_t type;
uint8_t last_head;
uint8_t last_sector;
uint8_t last_cylinder;
uint32_t first_lba;
uint32_t sector_count;
}Partition;
#pragma pack (pop)
typedef enum {
FAT12 = 0x01,
FAT16_UNDER_32MB = 0x04,
FAT16 = 0x06,
FAT32 = 0x0B,
FAT32_LBA = 0x0C
}PartitionType;
typedef enum {
PARTITION_ACTIVE = 0x80,
PARTITION_INACTIVE = 0x00
}Bootable;
typedef enum {
FAT_READY,
FAT_ERROR
}FatState;
typedef enum : uint8_t {
OK = 0,
ERROR = 1
}Result;
#endif
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