Update to ESP32-PoE

WS3/WS3-ESP32/ws3_mqtt.ino

@@ -0,0 +1,54 @@
+
+// MQTT Stuff
+//void callback(char* topic, byte* payload, unsigned int length) {
+//  debug("Message arrived [");
+//  Serial.print(topic);
+//  debug("] ");
+//  for (int i = 0; i < length; i++) {
+//    Serial.print((char)payload[i]);
+//  }
+//  debug(" ");
+//}
+
+void reconnect() {
+  // Loop until we're reconnected
+  while (!client.connected()) {
+    debug("Attempting MQTT connection...");
+    // Attempt to connect
+    if (client.connect(Mqtt_clientid)) {
+      debugln("connected");
+      // ... and resubscribe
+      client.subscribe(dom_in);
+    } else {
+      debug("failed, rc=");
+      debug(client.state());
+      debugln(" try again in 5 seconds");
+      // Wait 5 seconds before retrying
+      for(int i = 0; i<5000; i++){
+        delay(1);
+      }
+    }
+  }
+}
+
+// Sends MQTT payload to the Mosquitto server running on a Raspberry Pi.
+// Mosquitto server deliveres data to Domoticz server running on a same Raspberry Pi
+void sendMQTTPayload(String msgpayload)
+{
+  // Convert payload to char array
+  msgpayload.toCharArray(msgToPublish, msgpayload.length()+1);
+
+  //Publish payload to MQTT broker
+  if (client.publish(dom_in, msgToPublish))
+  {
+    debug("Following data published to MQTT broker: ");
+    debug(dom_in);
+    debug(" ");
+    debugln(msgpayload);
+  }
+  else 
+  {
+    debug("Publishing to MQTT broker failed... ");
+    debugln(client.state());
+  }
+}