/*
 * Copyright 2019 by Morgan Allen
 * 
 * This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International
 * https://creativecommons.org/licenses/by-nc/4.0/
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "driver/spi_master.h"
#include "esp_system.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "esp_http_client.h"

#define TAG "CACO"

static uint8_t id;

void app_main() {
  esp_err_t ret;

  // Initialize NVS.
  ret = nvs_flash_init();
  if (ret == ESP_ERR_NVS_NO_FREE_PAGES) {
    ESP_LOGI(TAG, "Erasing flash memory");
    ESP_ERROR_CHECK(nvs_flash_erase());
    ret = nvs_flash_init();
  }
  ESP_ERROR_CHECK( ret );

  uint8_t *mac;
  mac = (uint8_t *)malloc(6);
  esp_efuse_mac_get_default(mac);
  id = mac[5];

  ESP_LOGI(TAG, "MAC: %X:%X:%X:%X:%X:%X\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
};