#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"

#include "lwip/err.h"
#include "lwip/sys.h"

#define ESP_WIFI_SSID      "BELL83"
#define ESP_WIFI_PASS      "83castleton@"
#define ESP_MAXIMUM_RETRY  100

#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT      BIT1

static const char *WIFI_TAG = "WIFI";

EventGroupHandle_t s_wifi_event_group;

static int s_retry_num = 0;

void event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data);

void wifi_init_sta(void);