related to #52 (#59)

* Added OTA-Support for ESP8266

#52 thanks!

.travis.yml

@@ -21,6 +21,8 @@ install:
   - git clone https://github.com/ekstrand/ESP8266wifi /usr/local/share/arduino/libraries/ESP8266wifi
   - git clone https://github.com/knolleary/pubsubclient /usr/local/share/arduino/libraries/pubsubclient
   - git clone https://github.com/sui77/rc-switch /usr/local/share/arduino/libraries/rc-switch
+  - git clone https://github.com/arduino/arduinoOTA.git /usr/local/share/arduino/libraries/ArduinoOTA
+  - git clone https://github.com/mrdunk/esp8266_mdns.git /usr/local/share/arduino/libraries/ESP8266mDNS
   - arduino --pref "boardsmanager.additional.urls=http://arduino.esp8266.com/stable/package_esp8266com_index.json" --save-prefs
   - arduino --install-boards esp8266:esp8266
   - arduino --board $BD --save-prefs

OpenMQTTGateway.ino

@@ -56,6 +56,9 @@ void callback(char*topic, byte* payload,unsigned int length);
 
 #ifdef ESP8266
   #include <ESP8266WiFi.h>
+  #include <ESP8266mDNS.h>
+  #include <WiFiUdp.h>
+  #include <ArduinoOTA.h>
   WiFiClient eClient;
 #else
   #include <Ethernet.h>
@@ -121,6 +124,33 @@ void setup()
   #ifdef ESP8266
     //Begining wifi connection in case of ESP8266
     setup_wifi();
+    // Port defaults to 8266
+    ArduinoOTA.setPort(ota_port);
+
+    // Hostname defaults to esp8266-[ChipID]
+    ArduinoOTA.setHostname(ota_hostname);
+
+    // No authentication by default
+    ArduinoOTA.setPassword(ota_password);
+
+    ArduinoOTA.onStart([]() {
+      Serial.println("Start");
+    });
+    ArduinoOTA.onEnd([]() {
+      Serial.println("\nEnd");
+    });
+    ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+      Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+    });
+    ArduinoOTA.onError([](ota_error_t error) {
+      Serial.printf("Error[%u]: ", error);
+      if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
+      else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
+      else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
+      else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
+      else if (error == OTA_END_ERROR) Serial.println("End Failed");
+    });
+    ArduinoOTA.begin();
   #else
     //Begining ethernet connection in case of Arduino + W5100
     setup_ethernet();
@@ -189,6 +219,9 @@ void loop()
   } else { //connected
     // MQTT loop
     client.loop();
+    #ifdef ESP8266
+      ArduinoOTA.handle();
+    #endif
     
     #ifdef ZsensorDHT
       MeasureTempAndHum(); //Addon to measure the temperature with a DHT

User_config.h

@@ -58,6 +58,11 @@ const byte gateway[] = { 192, 168, 1, 1 }; //ip adress
 const byte Dns[] = { 192, 168, 1, 1 }; //ip adress
 const byte subnet[] = { 255, 255, 255, 0 }; //ip adress
 
+/*-------------DEFINE YOUR OTA PARAMETERS BELOW----------------*/
+#define ota_hostname "OTAHOSTNAME"
+#define ota_password "OTAPASSWORD"
+#define ota_port 8266
+
 /*-------------DEFINE THE MODULES YOU WANT BELOW----------------*/
 //Addons and module management, comment the line if you don't use
 //#define ZsensorDHT