util.h

#ifndef AMPEL_UTIL_H_INCLUDED
#define AMPEL_UTIL_H_INCLUDED
#include <Arduino.h>
#include "config.h"
#include "wifi_util.h" // To get MAC

#include <WiFiUdp.h> //required for NTP
#include "src/lib/NTPClient-master/NTPClient.h" // NTP

#if defined(ESP8266)
#  define BOARD "ESP8266"
#  define get_free_heap_size() system_get_free_heap_size()
#elif defined(ESP32)
#  define BOARD "ESP32"
#  define get_free_heap_size() esp_get_free_heap_size()
#else
#  define BOARD "Unknown"
#endif

namespace ntp {
  void initialize();
  void update();
  String getLocalTime();
}

#define seconds() (millis() / 1000UL)
extern uint32_t max_loop_duration;
const extern String SENSOR_ID;

#endif