Added optionl sensor description on presentation

Author: henrikekblad

libraries/MySensors/MySensor.cpp

@@ -235,8 +235,8 @@ void MySensor::sendBatteryLevel(uint8_t value, bool enableAck) {
 	sendRoute(build(msg, nc.nodeId, GATEWAY_ADDRESS, NODE_SENSOR_ID, C_INTERNAL, I_BATTERY_LEVEL, enableAck).set(value));
 }
 
-void MySensor::present(uint8_t childSensorId, uint8_t sensorType, bool enableAck) {
-	sendRoute(build(msg, nc.nodeId, GATEWAY_ADDRESS, childSensorId, C_PRESENTATION, sensorType, enableAck).set(LIBRARY_VERSION));
+void MySensor::present(uint8_t childSensorId, uint8_t sensorType, bool enableAck, const char *description) {
+	sendRoute(build(msg, nc.nodeId, GATEWAY_ADDRESS, childSensorId, C_PRESENTATION, sensorType, enableAck).set(childSensorId==NODE_SENSOR_ID?LIBRARY_VERSION:description));
 }
 
 void MySensor::sendSketchInfo(const char *name, const char *version, bool enableAck) {

libraries/MySensors/MySensor.h

@@ -120,8 +120,9 @@ class MySensor : public RF24
 	* @param sensorId Select a unique sensor id for this sensor. Choose a number between 0-254.
 	* @param sensorType The sensor type. See sensor typedef in MyMessage.h.
 	* @param ack Set this to true if you want destination node to send ack back to this node. Default is not to request any ack.
+	* @param description A textual description of the sensor.
 	*/
-	void present(uint8_t sensorId, uint8_t sensorType, bool ack=false);
+	void present(uint8_t sensorId, uint8_t sensorType, bool ack=false, const char *description="");
 
 	/**
 	 * Sends sketch meta information to the gateway. Not mandatory but a nice thing to do.