fix faulty data send to artNet with new chan queue

driver/artNet.go

@@ -82,7 +82,7 @@ func (d *ArtNetDriver) SetValue(bus string, address uint, value uint8) error {
 		return fmt.Errorf("no dmx data on bus '%s' found", bus)
 	}
 	d.Buses[bus].Data.SetValue(address, value)
-	return d.Buses[bus].SendData()
+	return nil
 }
 
 // connect to websocket server and listen to subscriptions
@@ -134,3 +134,10 @@ func (d *ArtNetDriver) Connect(ip, id string, port uint) error {
 	}
 	return nil
 }
+
+// send data to all buses that the send flage is true
+func (d *ArtNetDriver) SendData() {
+	for _, bus := range d.Buses {
+		bus.Send <- bus.Data
+	}
+}