Repairing mqtt.h

ampel-firmware/mqtt.cpp

 #include "mqtt.h"
 
+#include "config.h"
+#include "util.h" // -> time.h
+#include "led_effects.h"
+#include "sensor_console.h"
+#include "wifi_util.h"
+#include "src/lib/PubSubClient/src/PubSubClient.h"
+
 namespace config {
   // Values should be defined in config.h
   uint16_t mqtt_sending_interval = MQTT_SENDING_INTERVAL; // [s]

ampel-firmware/mqtt.h

 #ifndef MQTT_H_INCLUDED
 #define MQTT_H_INCLUDED
 
-#include <Arduino.h>
-#include "config.h"
-#include "led_effects.h"
-#include "sensor_console.h"
-#include "src/lib/PubSubClient/src/PubSubClient.h"
-#include "wifi_util.h"
+#include <stdint.h> // For uint32_t & uint16_t
 
+#include <config.h>
 #if !defined(MQTT_ENCRYPTED)
 #  define MQTT_ENCRYPTED true // Old config files might not define it, and encryption was on by default.
 #endif

ampel-firmware/wifi_util.h

 #ifndef WIFI_UTIL_H_INCLUDED
 #define WIFI_UTIL_H_INCLUDED
 
+#if defined(ESP8266)
+#  include <ESP8266WiFi.h>
+#elif defined(ESP32)
+#  include <WiFi.h>
+#endif
+
 namespace wifi {
   extern char local_ip[];
   void connect(const char *hostname);