#ifndef FLASH_H
#define FLASH_H

#pragma GCC diagnostic ignored "-Wformat-truncation"
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "esp_flash.h"
#include "esp_flash_spi_init.h"
#include "esp_partition.h"
#include "esp_vfs.h"
#include "esp_vfs_fat.h"
#include "esp_system.h"
#include "soc/spi_pins.h"
#include <dirent.h>
#include <sys/stat.h>

#define HOST_ID  SPI3_HOST  // 使用SPI3主机（VSPI）
#define PIN_MOSI 39
#define PIN_MISO 41
#define PIN_CLK  40
#define PIN_CS   42
#define PIN_WP   -1
#define PIN_HD   -1
#define SPI_DMA_CHAN SPI_DMA_CH_AUTO     // DMA通道：自动选择

/* extflash 访问互斥：所有对 /extflash 的 fopen/fread/fwrite/stat/opendir 等操作需在持锁期间进行 */
void extflash_lock(void);
void extflash_unlock(void);
/* 解压进行中标志：动画切换应延后，避免与解压写操作竞争 */
void extflash_extraction_started(void);
void extflash_extraction_finished(void);
bool extflash_is_extracting(void);

void list_files_in_directory(const char *path);
static bool copy_file(const char *source_path, const char *dest_path);
static void extract_task(void *pvParameters);
static bool example_mount_fatfs(void);
void flash_main(void);
esp_err_t download_file(char *firmware_url, char *filename);
static esp_err_t read_chip_id(spi_device_handle_t handle, uint8_t *id_data, size_t len);


#endif // FLASH_H