protected void onSerialPortEvent(SerialPortEvent event) {
if (event.isRXCHAR()) {
int count = event.getEventValue();
if (count == 0) return;
byte[] characters;
try {
characters = serialPort.readBytes(count);
for (byte character : characters) {
// System.out.println(Integer.toHexString(character) + "\t:\t" + (int) character + "\t:\t"
// + (char) character);
onReceiveChar((char) character);
}
} catch (SerialPortException e) {
showErrorMessage("No se pudo leer un byte");
e.printStackTrace();
}
}
}
public void transmitMessage(String message) {
if (serialPort == null) {
showErrorMessage("Por favor seleccione un puerto");
return;
}
if (message.isEmpty()) {
showErrorMessage("No se envian mensajes vacios");
return;
}
String text = message + '\n';
showSentMessage(text);
try {
serialPort.writeBytes(text.getBytes());
} catch (SerialPortException e) {
showErrorMessage(e.getMessage());
e.printStackTrace();
}
textField.setText("");
}
public boolean openPort(String portName) throws SerialPortException {
serialPort = new SerialPort(portName);
if (!serialPort.openPort()) {
return false;
}
if (!serialPort.setParams(
SerialPort.BAUDRATE_9600,
SerialPort.DATABITS_8,
SerialPort.STOPBITS_1,
SerialPort.PARITY_NONE)) {
return false;
}
serialPort.addEventListener(this::onSerialPortEvent, SerialPort.MASK_RXCHAR);
return true;
}
public void closePort() {
if (serialPort != null) {
try {
serialPort.closePort();
} catch (SerialPortException e) {
e.printStackTrace();
}
}
}
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();
}
}
// open a serial connection to a device. We won't know it's the robot until
public int OpenPort(String portName) {
if (portOpened && portName.equals(recentPort)) return 0;
ClosePort();
Log("<font color='green'>Connecting to " + portName + "...</font>\n");
// find the port
try {
portIdentifier = CommPortIdentifier.getPortIdentifier(portName);
} catch (Exception e) {
Log("<span style='color:red'>Ports could not be identified:" + e.getMessage() + "</span>\n");
e.printStackTrace();
return 1;
}
if (portIdentifier.isCurrentlyOwned()) {
Log(
"<span style='color:red'>Error: Another program is currently using this port."
+ "</span>\n");
return 2;
}
// open the port
try {
commPort = portIdentifier.open("DrawbotGUI", 2000);
} catch (Exception e) {
Log("Port could not be opened:" + e.getMessage() + NL);
e.printStackTrace();
return 3;
}
if ((commPort instanceof SerialPort) == false) {
Log("<span style='color:red'>Only serial ports are handled by this example." + "</span>\n");
return 4;
}
// set the port parameters (like baud rate)
serialPort = (SerialPort) commPort;
try {
serialPort.setSerialPortParams(
BAUD_RATE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
} catch (Exception e) {
Log("<span style='color:red'>Port could not be configured:" + e.getMessage() + "</span>\n");
return 5;
}
try {
in = serialPort.getInputStream();
out = serialPort.getOutputStream();
} catch (Exception e) {
Log("<span style='color:red'>Streams could not be opened:" + e.getMessage() + "</span>\n");
return 6;
}
try {
serialPort.addEventListener(this);
serialPort.notifyOnDataAvailable(true);
} catch (TooManyListenersException e) {
Log("<span style='color:red'>Streams could not be opened:" + e.getMessage() + "</span>\n");
return 7;
}
Log("<span style='green'>Opened.</span>\n");
SetRecentPort(portName);
portOpened = true;
UpdateMenuBar();
return 0;
}
