package serial;
import gnu.io.*;
//import javax.comm.*;
import java.util.Enumeration;
import java.io.*;
import java.util.TooManyListenersException;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
//TODO Dialog zur Konfiguration der Schnittstellenparameter
public class Example3 extends JFrame{
/**
* Variable declaration
*/
CommPortIdentifier serialPortId;
Enumeration enumComm;
SerialPort serialPort;
OutputStream outputStream;
InputStream inputStream;
Boolean serialPortGeoeffnet = false;
int baudrate = 9600;
int dataBits = SerialPort.DATABITS_8;
int stopBits = SerialPort.STOPBITS_1;
int parity = SerialPort.PARITY_NONE;
/**
* Fenster
*/
JPanel panel = new JPanel (new GridBagLayout());
JPanel panelSetup = new JPanel(new GridBagLayout());
JPanel panelKommuniziere = new JPanel(new GridBagLayout());
JComboBox auswahl = new JComboBox();
JButton oeffnen = new JButton("Öffnen");
JButton schliessen = new JButton("Schließen");
JButton aktualisieren = new JButton("Aktualisieren");
JButton senden = new JButton("Nachricht senden");
JTextField nachricht = new JTextField();
JCheckBox echo = new JCheckBox("Echo");
JTextArea empfangen = new JTextArea();
JScrollPane empfangenJScrollPane = new JScrollPane();
/**
* @param args
*/
public static void main(String[] args) {
System.out.println("Programm gestartet");
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new Example3();
}
});
System.out.println("Main durchlaufen");
}
/**
* Konstruktor
*/
public Example3()
{
System.out.println("Konstruktor aufgerufen");
initComponents();
}
protected void finalize()
{
System.out.println("Destruktor aufgerufen");
}
void initComponents()
{
GridBagConstraints constraints = new GridBagConstraints();
setTitle("Öffnen und Senden");
addWindowListener(new WindowListener());
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// TODO schliessen.setEnabled(false);
// TODO senden.setEnabled(false);
oeffnen.addActionListener( new oeffnenActionListener());
schliessen.addActionListener(new schliessenActionListener());
aktualisieren.addActionListener(new aktualisierenActionListener());
senden.addActionListener(new sendenActionListener());
empfangenJScrollPane.setVerticalScrollBarPolicy(
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
empfangenJScrollPane.setHorizontalScrollBarPolicy(
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
empfangenJScrollPane.setViewportView(empfangen);
constraints.gridx = 0;
constraints.gridy = 0;
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.weightx = 0.5;
constraints.insets = new Insets(5, 5, 5, 5);
panelSetup.add(auswahl, constraints);
constraints.gridx = 1;
constraints.weightx = 0;
panelSetup.add(oeffnen, constraints);
constraints.gridx = 2;
panelSetup.add(schliessen, constraints);
constraints.gridx = 3;
panelSetup.add(aktualisieren, constraints);
constraints.gridx = 0;
constraints.gridy = 0;
constraints.weightx = 1;
panel.add(panelSetup, constraints);
constraints.gridx = 0;
constraints.gridy = 0;
constraints.weightx = 0;
panelKommuniziere.add(senden, constraints);
constraints.gridx = 1;
constraints.weightx = 1;
panelKommuniziere.add(nachricht, constraints);
constraints.gridx = 2;
constraints.weightx = 0;
panelKommuniziere.add(echo, constraints);
constraints.gridx = 0;
constraints.gridy = 1;
constraints.weightx = 1;
panel.add(panelKommuniziere, constraints);
constraints.gridx = 0;
constraints.gridy = 2;
constraints.weightx = 1;
constraints.weighty = 1;
constraints.fill = GridBagConstraints.BOTH;
panel.add(empfangenJScrollPane, constraints);
aktualisiereSerialPort();
add(panel);
pack();
setSize(600, 300);
setVisible(true);
System.out.println("Fenster erzeugt");
}
boolean oeffneSerialPort(String portName)
{
Boolean foundPort = false;
if (serialPortGeoeffnet != false) {
System.out.println("Serialport bereits geöffnet");
return false;
}
System.out.println("Öffne Serialport");
enumComm = CommPortIdentifier.getPortIdentifiers();
while(enumComm.hasMoreElements()) {
serialPortId = (CommPortIdentifier) enumComm.nextElement();
if (portName.contentEquals(serialPortId.getName())) {
foundPort = true;
break;
}
}
if (foundPort != true) {
System.out.println("Serialport nicht gefunden: " + portName);
return false;
}
try {
serialPort = (SerialPort) serialPortId.open("Öffnen und Senden", 500);
} catch (PortInUseException e) {
System.out.println("Port belegt");
}
try {
outputStream = serialPort.getOutputStream();
} catch (IOException e) {
System.out.println("Keinen Zugriff auf OutputStream");
}
try {
inputStream = serialPort.getInputStream();
} catch (IOException e) {
System.out.println("Keinen Zugriff auf InputStream");
}
try {
serialPort.addEventListener(new serialPortEventListener());
} catch (TooManyListenersException e) {
System.out.println("TooManyListenersException für Serialport");
}
serialPort.notifyOnDataAvailable(true);
try {
serialPort.setSerialPortParams(baudrate, dataBits, stopBits, parity);
} catch(UnsupportedCommOperationException e) {
System.out.println("Konnte Schnittstellen-Paramter nicht setzen");
}
serialPortGeoeffnet = true;
return true;
}
void schliesseSerialPort()
{
if ( serialPortGeoeffnet == true) {
System.out.println("Schließe Serialport");
serialPort.close();
serialPortGeoeffnet = false;
} else {
System.out.println("Serialport bereits geschlossen");
}
}
void aktualisiereSerialPort()
{
System.out.println("Akutalisiere Serialport-Liste");
if (serialPortGeoeffnet != false) {
System.out.println("Serialport ist geöffnet");
return;
}
auswahl.removeAllItems();
enumComm = CommPortIdentifier.getPortIdentifiers(); //TODO Fehlerbehebung
while(enumComm.hasMoreElements()) {
serialPortId = (CommPortIdentifier) enumComm.nextElement();
if (serialPortId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
System.out.println("Found:" + serialPortId.getName());
auswahl.addItem(serialPortId.getName());
}
}
}
void sendeSerialPort(String nachricht)
{
System.out.println("Sende: " + nachricht);
if (serialPortGeoeffnet != true)
return;
try {
outputStream.write(nachricht.getBytes());
} catch (IOException e) {
System.out.println("Fehler beim Senden");
}
}
void serialPortDatenVerfuegbar() {
try {
byte[] data = new byte[150];
int num;
while(inputStream.available() > 0) {
num = inputStream.read(data, 0, data.length);
System.out.println("Empfange: "+ new String(data, 0, num));
empfangen.append(new String(data, 0, num));
}
} catch (IOException e) {
System.out.println("Fehler beim Lesen empfangener Daten");
}
}
class WindowListener extends WindowAdapter {
public void windowClosing(WindowEvent event) {
schliesseSerialPort();
System.out.println("Fenster wird geschlossen");
}
}
class oeffnenActionListener implements ActionListener {
public void actionPerformed (ActionEvent event) {
System.out.println("oeffnenActionListener");
// TODO sperre Button Öffnen und Aktualisieren
// TODO entsperre Nachricht senden und Schließen
oeffneSerialPort((String) auswahl.getSelectedItem());
}
}
class schliessenActionListener implements ActionListener {
public void actionPerformed (ActionEvent event) {
System.out.println("schliessenActionListener");
// TODO entsperre Button Öffnen und Aktualisieren
// TODO sperre Nachricht senden und Schließen
schliesseSerialPort();
}
}
class aktualisierenActionListener implements ActionListener {
public void actionPerformed (ActionEvent event) {
System.out.println("aktualisierenActionListener");
aktualisiereSerialPort();
}
}
class sendenActionListener implements ActionListener {
public void actionPerformed (ActionEvent event) {
System.out.println("sendenActionListener");
if ( echo.isSelected() == true)
empfangen.append(nachricht.getText() + "\n");
sendeSerialPort(nachricht.getText() + "\n");
}
}
/**
*
*/
class serialPortEventListener implements SerialPortEventListener {
public void serialEvent(SerialPortEvent event) {
System.out.println("serialPortEventlistener");
switch (event.getEventType()) {
case SerialPortEvent.DATA_AVAILABLE:
serialPortDatenVerfuegbar();
break;
case SerialPortEvent.BI:
case SerialPortEvent.CD:
case SerialPortEvent.CTS:
case SerialPortEvent.DSR:
case SerialPortEvent.FE:
case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
case SerialPortEvent.PE:
case SerialPortEvent.RI:
default:
}
}
}
}
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