added generic serial GUI component
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joxe
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/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: SerialUI.java,v 1.1 2009/03/19 18:55:44 joxe Exp $
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*/
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package se.sics.cooja.dialogs;
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.util.Collection;
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import java.util.Observable;
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import java.util.Observer;
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import org.jdom.Element;
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import javax.swing.JButton;
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import javax.swing.JCheckBox;
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import javax.swing.JLabel;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTextArea;
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import javax.swing.JTextField;
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import org.apache.log4j.Logger;
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import se.sics.cooja.Mote;
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import se.sics.cooja.interfaces.Log;
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import se.sics.cooja.interfaces.SerialPort;
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import se.sics.cooja.plugins.SLIP;
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public abstract class SerialUI extends Log implements SerialPort {
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private static Logger logger = Logger.getLogger(SerialUI.class);
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private String lastLogMessage = "";
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private StringBuilder newMessage = new StringBuilder();
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private JTextArea logTextPane = null;
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private JTextField commandField;
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private JCheckBox slipCheckbox;
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private String[] history = new String[50];
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private int historyPos = 0;
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private int historyCount = 0;
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private class SerialDataObservable extends Observable {
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private void notifyNewData() {
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if (this.countObservers() == 0) {
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return;
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}
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setChanged();
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notifyObservers(SerialUI.this);
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}
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}
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private SerialDataObservable serialDataObservable = new SerialDataObservable();
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private byte lastSerialData = 0;
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public String getLastLogMessage() {
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return lastLogMessage;
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}
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public abstract Mote getMote();
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public void addSerialDataObserver(Observer o) {
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serialDataObservable.addObserver(o);
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}
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public void deleteSerialDataObserver(Observer o) {
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serialDataObservable.deleteObserver(o);
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}
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public byte getLastSerialData() {
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return lastSerialData;
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}
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public JPanel getInterfaceVisualizer() {
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JPanel panel = new JPanel();
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panel.setLayout(new BorderLayout());
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if (logTextPane == null) {
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logTextPane = new JTextArea();
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}
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// Send RS232 data visualizer
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JPanel sendPane = new JPanel(new BorderLayout());
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commandField = new JTextField(15);
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JButton sendButton = new JButton("Send data");
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ActionListener action = new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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String command = trim(commandField.getText());
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if (command != null) {
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try {
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int previous = historyCount - 1;
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if (previous < 0) {
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previous += history.length;
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}
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if (!command.equals(history[previous])) {
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history[historyCount] = command;
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historyCount = (historyCount + 1) % history.length;
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}
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historyPos = historyCount;
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if (slipCheckbox.isSelected()) {
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addToLog("SLIP> " + command);
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command += "\n";
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writeArray(SLIP.asSlip(command.getBytes()));
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} else {
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addToLog("> " + command);
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writeString(command);
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}
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commandField.setText("");
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} catch (Exception ex) {
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System.err.println("could not send '" + command + "':");
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ex.printStackTrace();
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JOptionPane.showMessageDialog(logTextPane,
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"could not send '" + command + "':\n"
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+ ex, "ERROR",
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JOptionPane.ERROR_MESSAGE);
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}
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} else {
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commandField.getToolkit().beep();
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}
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}
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};
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commandField.addKeyListener(new KeyAdapter() {
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@Override
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public void keyPressed(KeyEvent e) {
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switch (e.getKeyCode()) {
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case KeyEvent.VK_UP: {
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int nextPos = (historyPos + history.length - 1) % history.length;
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if (nextPos == historyCount || history[nextPos] == null) {
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commandField.getToolkit().beep();
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} else {
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String cmd = trim(commandField.getText());
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if (cmd != null) {
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history[historyPos] = cmd;
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}
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historyPos = nextPos;
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commandField.setText(history[historyPos]);
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}
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break;
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}
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case KeyEvent.VK_DOWN: {
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int nextPos = (historyPos + 1) % history.length;
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if (nextPos == historyCount) {
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historyPos = nextPos;
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commandField.setText("");
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} else if (historyPos == historyCount || history[nextPos] == null) {
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commandField.getToolkit().beep();
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} else {
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String cmd = trim(commandField.getText());
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if (cmd != null) {
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history[historyPos] = cmd;
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}
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historyPos = nextPos;
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commandField.setText(history[historyPos]);
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}
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break;
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}
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}
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}
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});
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slipCheckbox = new JCheckBox("", false);
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slipCheckbox.setToolTipText("Wrap data as SLIP");
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commandField.addActionListener(action);
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sendButton.addActionListener(action);
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sendPane.add(BorderLayout.WEST, slipCheckbox);
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sendPane.add(BorderLayout.CENTER, commandField);
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sendPane.add(BorderLayout.EAST, sendButton);
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// Receive RS232 data visualizer
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logTextPane.setOpaque(false);
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logTextPane.setEditable(false);
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if (getLastLogMessage() == null) {
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logTextPane.setText("");
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} else {
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logTextPane.append(getLastLogMessage());
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}
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Observer observer;
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this.addObserver(observer = new Observer() {
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public void update(Observable obs, Object obj) {
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final String logMessage = getLastLogMessage();
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EventQueue.invokeLater(new Runnable() {
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public void run() {
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addToLog(logMessage);
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}
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});
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}
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});
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// Saving observer reference for releaseInterfaceVisualizer
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panel.putClientProperty("intf_obs", observer);
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JScrollPane scrollPane = new JScrollPane(logTextPane);
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scrollPane.setPreferredSize(new Dimension(100, 100));
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panel.add(BorderLayout.NORTH, new JLabel("Last serial data:"));
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panel.add(BorderLayout.CENTER, scrollPane);
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panel.add(BorderLayout.SOUTH, sendPane);
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return panel;
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}
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protected void addToLog(String text) {
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String current = logTextPane.getText();
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int len = current.length();
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if (len > 8192) {
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current = current.substring(len - 8192);
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}
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current = len > 0 ? (current + '\n' + text) : text;
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logTextPane.setText(current);
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logTextPane.setCaretPosition(current.length());
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}
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public void releaseInterfaceVisualizer(JPanel panel) {
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Observer observer = (Observer) panel.getClientProperty("intf_obs");
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if (observer == null) {
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logger.fatal("Error when releasing panel, observer is null");
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return;
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}
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this.deleteObserver(observer);
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}
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public double energyConsumption() {
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return 0;
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}
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public Collection<Element> getConfigXML() {
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return null;
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}
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public void setConfigXML(Collection<Element> configXML, boolean visAvailable) {
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}
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private int tosChars = 0;
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boolean tosMode = false;
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private int[] tosData = new int[255];
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private int tosPos = 0;
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private int tosLen = 0;
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public void dataReceived(int data) {
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if (tosMode) {
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/* needs to add checks to CRC */
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// System.out.println("Received: " + Integer.toString(data, 16) + " = " + (char) data + " tosPos: " + tosPos);
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if (data == 0x7e) {
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if (tosPos > 6) {
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lastLogMessage = "TinyOS: " + newMessage.toString();
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newMessage.setLength(0);
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this.setChanged();
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this.notifyObservers(getMote());
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// System.out.println("*** Printing TOS String: " + lastLogMessage);
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tosPos = 0;
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tosLen = 0;
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} else {
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/* start of new message! */
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tosPos = 0;
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tosLen = 0;
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}
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}
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if (tosPos == 7) {
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tosLen = data;
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// System.out.println("TOS Payload len: " + tosLen);
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}
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if (tosPos > 9 && tosPos < 10 + tosLen) {
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if (data < 32) {
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data = 32;
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}
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newMessage.append((char) data);
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}
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tosData[tosPos++] = data;
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} else {
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if (data == 0x7e) {
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tosChars++;
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if (tosChars == 2) {
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tosMode = true;
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/* already read one char here */
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tosPos = 1;
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}
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} else {
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tosChars = 0;
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}
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if (data == '\n') {
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lastLogMessage = newMessage.toString();
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newMessage.setLength(0);
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this.setChanged();
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this.notifyObservers(getMote());
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} else {
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newMessage.append((char) data);
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}
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lastSerialData = (byte) data;
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serialDataObservable.notifyNewData();
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}
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}
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public void close() {
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}
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public void flushInput() {
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}
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private String trim(String text) {
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return (text != null) && ((text = text.trim()).length() > 0) ? text : null;
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}
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}
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