docs: @Override
      public void open(String device, int baud) throws IOException{
          // open the serial port with config settings of "8N1" and no flow control
          open(device,
               baud,
               com.pi4j.jni.Serial.DATA_BITS_8,
               com.pi4j.jni.Serial.PARITY_NONE,
               com.pi4j.jni.Serial.STOP_BITS_1,
               com.pi4j.jni.Serial.FLOW_CONTROL_NONE);
      }