/*
 * This file is part of Cleanflight.
 *
 * Cleanflight 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.
 *
 * Cleanflight 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 Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <stdint.h>

#include "drivers/flash.h"

#define FLASHFS_WRITE_BUFFER_SIZE 128
#define FLASHFS_WRITE_BUFFER_USABLE (FLASHFS_WRITE_BUFFER_SIZE - 1)

// Automatically trigger a flush when this much data is in the buffer
#define FLASHFS_WRITE_BUFFER_AUTO_FLUSH_LEN 64

void flashfsEraseCompletely();
void flashfsEraseRange(uint32_t start, uint32_t end);

uint32_t flashfsGetSize();
uint32_t flashfsGetOffset();
int flashfsIdentifyStartOfFreeSpace();
const flashGeometry_t* flashfsGetGeometry();

void flashfsSeekAbs(uint32_t offset);
void flashfsSeekRel(int32_t offset);

void flashfsWriteByte(uint8_t byte);
void flashfsWrite(const uint8_t *data, unsigned int len, bool sync);

int flashfsReadAbs(uint32_t offset, uint8_t *data, unsigned int len);

bool flashfsFlushAsync();
void flashfsFlushSync();

void flashfsInit();

bool flashfsIsReady();
bool flashfsIsEOF();