move wifi stuff to separate module, implement WifiManager for AP configuration

30_interface_mqtt.ino

@@ -1,5 +1,8 @@
 #ifdef ENABLE_MQTT
 
+
+// sample schema's to use: https://www.home-assistant.io/integrations/light.mqtt/
+
 /*
  * Define a function newcmd in your module to be able to accept mqtt commands
  * Syntax and parameters are like this:
@@ -72,34 +75,7 @@ void mqtt_callback(char* topic, byte* payload, unsigned int length) {
   }
 }
 
-void WifiMQTTconnect() {
-  
-  if(WiFi.status() != WL_CONNECTED) {
-    PRINTLN_SERIAL("Wifi not connected, connecting...");
-    WiFi.mode(WIFI_STA);  // Weird MQTT connection bug, https://github.com/knolleary/pubsubclient/issues/138#issuecomment-326113915  
-    WiFi.begin(WLAN_SSID, WLAN_PASS);
-    while (WiFi.status() != WL_CONNECTED) {
-      PRINTLN_SERIAL("Waiting for Wifi...");
-      delay(500);
-    }
-    settings.ip = WiFi.localIP().toString();
-    PRINTLN_SERIAL("Wifi connected");  
-  }
-
-  PRINT_SERIAL("Setting time using SNTP");
-  configTime(-5 * 3600, 0, "pool.ntp.org", "time.nist.gov");
-  now = time(nullptr);
-  while (now < 1510592825) {
-    delay(500);
-    APPEND_SERIAL(".");
-    now = time(nullptr);
-  }
-  APPENDLN_SERIAL(" done!");
-  struct tm timeinfo;
-  gmtime_r(&now, &timeinfo);
-  PRINT_SERIAL("Current time: ");
-  APPENDLN_SERIAL(asctime(&timeinfo));
-  net.setInsecure();  // verification options set to none
+void mqtt_connect() {
   mqtt.setServer(MQTT_SERVER, MQTT_SERVERPORT);
   mqtt.setCallback(mqtt_callback);
   
@@ -141,7 +117,7 @@ void mqtt_loop() {
   
   // Check for MQTT instructions
   if(!mqtt.connected()) {
-    WifiMQTTconnect();
+    mqtt_connect();
   } else {
     mqtt.loop();