public HittPolling(String comport, int baudrate) {
_baudrate = baudrate;
try {
CommPortIdentifier com = CommPortIdentifier.getPortIdentifier(comport);
_comPortIdent = com;
_usable = true;
} catch (NoSuchPortException e) {
_usable = false;
PLog.error("There is no COM-Port called: " + comport, e);
}
}
@Override
public void startPolling() {
if (!_usable || !_isQuestionSupported) {
return;
}
_votingStartTime = Calendar.getInstance().getTimeInMillis();
try {
_comPort = _comPortIdent.open(this.getClass().getName(), 2000);
if (_comPort instanceof SerialPort) {
_serialPort = (SerialPort) _comPort;
_serialPort.setSerialPortParams(
_baudrate, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
InputStream in = _serialPort.getInputStream();
_serialReader = new SerialReader(in, _injectable, _votingStartTime);
_serialPort.addEventListener(_serialReader);
_serialPort.notifyOnDataAvailable(true);
}
} catch (PortInUseException e) {
reportToDelegate(e);
PLog.error("Port is alreay in use by " + e.currentOwner, e);
} catch (UnsupportedCommOperationException e) {
reportToDelegate(e);
PLog.error("Error on setting SerialPort params", e);
} catch (IOException e) {
reportToDelegate(e);
PLog.error("Error while getting Inputstream", e);
} catch (TooManyListenersException e) {
reportToDelegate(e);
PLog.error("Error trying to add new EventListener", e);
}
}