protected void openHardware() throws CULDeviceException {
log.debug("Opening serial CUL connection for " + deviceName);
try {
CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier(deviceName);
if (portIdentifier.isCurrentlyOwned()) {
throw new CULDeviceException("The port " + deviceName + " is currenty used by "
+ portIdentifier.getCurrentOwner());
}
CommPort port = portIdentifier.open(this.getClass().getName(), 2000);
if (!(port instanceof SerialPort)) {
throw new CULDeviceException("The device " + deviceName + " is not a serial port");
}
serialPort = (SerialPort) port;
serialPort.setSerialPortParams(baudRate, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, parityMode);
is = serialPort.getInputStream();
os = serialPort.getOutputStream();
br = new BufferedReader(new InputStreamReader(is));
bw = new BufferedWriter(new OutputStreamWriter(os));
serialPort.notifyOnDataAvailable(true);
log.debug("Adding serial port event listener");
serialPort.addEventListener(this);
} catch (NoSuchPortException e) {
throw new CULDeviceException(e);
} catch (PortInUseException e) {
throw new CULDeviceException(e);
} catch (UnsupportedCommOperationException e) {
throw new CULDeviceException(e);
} catch (IOException e) {
throw new CULDeviceException(e);
} catch (TooManyListenersException e) {
throw new CULDeviceException(e);
}
}