Check if incomming message contains anything.

2014-08-13 21:29:18 +02:00
parent 7d501307ee
commit 3a63ae619d
1 changed files with 1 additions and 1 deletions
@@ -70,7 +70,7 @@ void incomingMessage(const MyMessage &message) {
     Serial.println("This is an ack from gateway");
  }

-  if (message.type==V_LIGHT) {
+  if (message.type == V_LIGHT && strlen(msg.getString()) != 0) {
     // Change relay state
     state = message.getBool();
     digitalWrite(RELAY_PIN, state?RELAY_ON:RELAY_OFF);