Check if incomming message contains anything.

Damme · Damme · commit 3a63ae619d04 · 2014-08-13T21:29:18.000+02:00
diff --git a/libraries/MySensors/examples/RelayWithButtonActuator/RelayWithButtonActuator.ino b/libraries/MySensors/examples/RelayWithButtonActuator/RelayWithButtonActuator.ino
@@ -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);

Original file line number	Diff line number	Diff line change
`@@ -70,7 +70,7 @@ void incomingMessage(const MyMessage &message) {`
`70`	`70`	`Serial.println("This is an ack from gateway");`
`71`	`71`	`}`
`72`	`72`
`73`		`- if (message.type==V_LIGHT) {`
	`73`	`+ if (message.type == V_LIGHT && strlen(msg.getString()) != 0) {`
`74`	`74`	`// Change relay state`
`75`	`75`	`state = message.getBool();`
`76`	`76`	`digitalWrite(RELAY_PIN, state?RELAY_ON:RELAY_OFF);`