TwoWaySerialComm.java 文件源码

private void connect(String portName) throws Exception {
    CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier(portName);
    if (portIdentifier.isCurrentlyOwned())
        throw new PortInUseException();

    CommPort commPort = portIdentifier.open(this.getClass().getName(), COMPORT_PORT);

    if (commPort instanceof SerialPort) {
        SerialPort serialPort = (SerialPort) commPort;
        serialPort.setSerialPortParams(BAUD_RATE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);

        InputStream in = serialPort.getInputStream();
        OutputStream out = serialPort.getOutputStream();

        new Thread(new SerialReader(in)).start();
        new Thread(new SerialWriter(out)).start();

    } else {
        throw new PortUnreachableException("ERROR - Only serial ports are handled by this class");
    }

}