add read write lock to dmx data

driver/artNet.go

@@ -78,10 +78,10 @@ func (d *ArtNetDriver) SetValue(bus string, address uint, value uint8) error {
 	if _, ok := d.Buses[bus]; !ok {
 		return fmt.Errorf("no bus '%s' found", bus)
 	}
-	if d.Buses[bus].Data == nil {
+	if d.Buses[bus].DMX.Data == nil {
 		return fmt.Errorf("no dmx data on bus '%s' found", bus)
 	}
-	d.Buses[bus].Data.SetValue(address, value)
+	d.Buses[bus].SetDMXData(address, value)
 	return nil
 }
 
@@ -105,7 +105,6 @@ func (d *ArtNetDriver) Connect(ip, id string, port uint) error {
 		request := json_data.NewResponse()
 
 		err = json.Unmarshal(data, &request)
-
 		if err != nil {
 			return
 		}