private synchronized void closeSerialPort() {
if (serialPort != null) {
serialPort.removeEventListener();
serialPort.close();
serialPort = null;
}
}
@Override
public void stopPolling() {
if (_comPort != null && _usable && _isQuestionSupported) {
((SerialPort) _comPort).removeEventListener();
_comPort.close();
}
}
/**
* End call.
*
* @throws Exception the exception
*/
private void endCall() throws Exception {
this.incomingCall = false;
if (serialVoiceReader != null) {
serialVoiceReader.terminate();
serialVoiceReader = null;
}
if (serialVoiceWriter != null) {
serialVoiceWriter.terminate();
serialVoiceWriter = null;
}
if (voiceInputStream != null) {
voiceInputStream.close();
}
if (voiceOutputStream != null) {
voiceOutputStream.close();
}
if (voiceStreamCommPort != null) {
voiceStreamCommPort.notifyOnDataAvailable(false);
voiceStreamCommPort.removeEventListener();
voiceStreamCommPort.close();
voiceStreamCommPort = null;
}
// Thread jsed = Utils.getThread("Java Sound Event Dispatcher");
}
public void disconnect() throws Exception {
if (is != null) is.close();
if (os != null) os.close();
if (serialPort != null) {
serialPort.removeEventListener();
serialPort.close();
}
}
public synchronized void close() {
try {
in.close();
output.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (serialPort != null) {
serialPort.removeEventListener();
serialPort.close();
}
}
// disconnect the serial port
// pre: an open serial port
// post: clsoed serial port
public void disconnect() {
// close the serial port
try {
// writeData(0, 0);
serialPort.removeEventListener();
serialPort.close();
input.close();
output.close();
setConnected(false);
logText = "Disconnected.";
System.out.println(logText + "\n");
} catch (Exception e) {
logText = "Failed to close " + serialPort.getName() + "(" + e.toString() + ")";
System.out.println(logText + "\n");
}
}
/** Terminate. */
public void terminate() {
try {
endCall();
if (commandOutputStream != null) {
commandOutputStream.close();
}
if (commandInputStream != null) {
commandInputStream.close();
}
if (modemComPort != null) {
modemComPort.notifyOnDataAvailable(false);
modemComPort.removeEventListener();
modemComPort.close();
modemComPort = null;
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
/*
* Code cribbed from RXTX example
*/
public static void closePort(SerialPort serialPort) {
if (serialPort != null) {
serialPort.notifyOnDataAvailable(false);
serialPort.removeEventListener();
if (inputStream != null) {
try {
inputStream.close();
inputStream = null;
} catch (IOException e) {
}
}
if (outputStream != null) {
try {
outputStream.close();
outputStream = null;
} catch (IOException e) {
}
}
serialPort.close();
serialPort = null;
}
}
public void ClosePort() {
if (portOpened) {
if (serialPort != null) {
try {
// Close the I/O streams.
out.close();
in.close();
// Close the port.
serialPort.removeEventListener();
serialPort.close();
} catch (IOException e) {
// Don't care
}
}
ClearLog();
portOpened = false;
portConfirmed = false;
previewPane.setConnected(false);
UpdateMenuBar();
}
}
/**
* This should be called when you stop using the port. This will prevent port locking on platforms
* like Linux.
*/
public synchronized void closeSerial() {
if (serialPort != null) {
serialPort.removeEventListener();
serialPort.close();
}
}
/** Close this serial device */
public void close() {
serialPort.removeEventListener();
IOUtils.closeQuietly(inputStream);
IOUtils.closeQuietly(outputStream);
serialPort.close();
}
/**
* Sends a string to the serial port of this device. The writing of the msg is executed
* synchronized, so it's guaranteed that the device doesn't get multiple messages concurrently.
*
* @param msg the string to send
* @return true, if the message has been transmitted successfully, otherwise false.
*/
synchronized boolean writeString(final String msg) {
logger.debug("Writing '{}' to serial port {}", msg, port);
final long earliestNextExecution = lastCommandTime + interval;
while (earliestNextExecution > System.currentTimeMillis()) {
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
return false;
}
}
try {
final List<Boolean> listenerResult = new ArrayList<Boolean>();
serialPort.addEventListener(
new SerialPortEventListener() {
@Override
public void serialEvent(SerialPortEvent event) {
if (event.getEventType() == SerialPortEvent.DATA_AVAILABLE) {
// we get here if data has been received
final StringBuilder sb = new StringBuilder();
final byte[] readBuffer = new byte[20];
try {
do {
// read data from serial device
while (inputStream.available() > 0) {
final int bytes = inputStream.read(readBuffer);
sb.append(new String(readBuffer, 0, bytes));
}
try {
// add wait states around reading the stream, so that interrupted
// transmissions are
// merged
Thread.sleep(100);
} catch (InterruptedException e) {
// ignore interruption
}
} while (inputStream.available() > 0);
final String result = sb.toString();
if (result.equals(msg)) {
listenerResult.add(true);
}
} catch (IOException e) {
logger.debug("Error receiving data on serial port {}: {}", port, e.getMessage());
}
}
}
});
serialPort.notifyOnDataAvailable(true);
outputStream.write(msg.getBytes());
outputStream.flush();
lastCommandTime = System.currentTimeMillis();
final long timeout = lastCommandTime + 1000;
while (listenerResult.isEmpty() && System.currentTimeMillis() < timeout) {
// Waiting for response
Thread.sleep(100);
}
return !listenerResult.isEmpty();
} catch (Exception e) {
logger.error("Error writing '{}' to serial port {}: {}", msg, port, e.getMessage());
} finally {
serialPort.removeEventListener();
}
return false;
}