RS232.java 文件源码

/**
 * Connect.
 * @param portName RS232 port name.
 * @param baudrate Baud rate.
 * @param dataBits Data bits.
 * @param stopBits Stop bits.
 * @param parity Parity.
 * @return Success or not.
 * @throws Exception
 */
public boolean connect(String portName, int baudrate, int dataBits, int stopBits, int parity) throws Exception {
    this.monitor = this.protocol.createMonitor(this.aliasName);
    this.monitor.setController(this);

    if (this.started) {
        return true;
    }

    CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier(portName);
    if (portIdentifier.isCurrentlyOwned()) {
        return false;
    }

    CommPort commPort = portIdentifier.open(getClass().getName(), 2000);

    this.serialPort = (SerialPort) commPort;
    this.serialPort.setSerialPortParams(baudrate, dataBits, stopBits, parity);

    this.in = this.serialPort.getInputStream();
    this.out = this.serialPort.getOutputStream();
    this.serialPort.addEventListener(new SerialPortEventListener() {

        @Override
        public void serialEvent(SerialPortEvent evt) {
            messageReceived();
        }
    });
    this.serialPort.notifyOnDataAvailable(true);

    this.started = true;

    return true;
}