在SerialPort上读取来自Arduino Nano on Linux的Java流

import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;
import gnu.io.SerialPortEvent;
import gnu.io.SerialPortEventListener;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;

public class SerialPortReader implements SerialPortEventListener {
    private SerialPort serialPort;
    private BufferedReader bufferedReader;
    private OutputStream outputStream;

    public SerialPortReader() {
        try {
            CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier("/dev/ttyUSB0");
            serialPort = (SerialPort) portIdentifier.open("SerialPortReader", 2000);
            serialPort.addEventListener(this);
            serialPort.notifyOnDataAvailable(true);
            serialPort.setSerialPortParams(9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);

            bufferedReader = new BufferedReader(new InputStreamReader(serialPort.getInputStream()));
            outputStream = serialPort.getOutputStream();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void serialEvent(SerialPortEvent event) {
        if (event.getEventType() == SerialPortEvent.DATA_AVAILABLE) {
            try {
                String inputLine = bufferedReader.readLine();
                System.out.println("Received data: " + inputLine);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    public void sendData(String data) {
        try {
            outputStream.write(data.getBytes());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        SerialPortReader reader = new SerialPortReader();
    }
}