SerialComm.java 文件源码

/**
 * Constructor
 * 
 * @param portName
 *            The name of the serial port
 * @param listeners
 *            The listeners for incoming telegrams
 * @throws Exception
 */
public SerialComm(String portName, ArrayList<EnoceanListener> listeners)
        throws Exception {
    this.listeners = listeners;
    CommPortIdentifier portIdentifier = CommPortIdentifier
            .getPortIdentifier(portName);
    if (portIdentifier.isCurrentlyOwned()) {
        throw new Exception("Port is currently in use");
    }

    CommPort commPort = portIdentifier
            .open(this.getClass().getName(), 2000); // timeout 2 s.
    if (!(commPort instanceof SerialPort)) {
        throw new Exception("Only serial port is supported");
    }
    port = commPort;

    SerialPort serialPort = (SerialPort) commPort;

    // 57600 bit/s, 8 bits, stop bit length 1, no parity bit
    serialPort.setSerialPortParams(57600, SerialPort.DATABITS_8,
            SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
    input = serialPort.getInputStream();
    output = serialPort.getOutputStream();
}