/*
* Copyright (c) 2007, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: MspStackWatcher.java,v 1.5 2008/12/04 14:03:41 joxe Exp $
*/
package se.sics.cooja.mspmote.plugins;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import org.apache.log4j.Logger;
import se.sics.cooja.*;
import se.sics.cooja.mspmote.MspMote;
import se.sics.mspsim.core.MSP430;
import se.sics.mspsim.ui.StackUI;
import se.sics.mspsim.util.Utils;
@ClassDescription("Msp Stack Watcher")
@PluginType(PluginType.MOTE_PLUGIN)
public class MspStackWatcher extends VisPlugin {
private static Logger logger = Logger.getLogger(MspStackWatcher.class);
private MspMote mspMote;
private MSP430 cpu;
private Simulation simulation;
private Observer stackObserver = null;
private JButton startButton;
private JButton stopButton;
public MspStackWatcher(Mote mote, Simulation simulationToVisualize, GUI gui) {
super("Msp Stack Watcher", gui);
this.mspMote = (MspMote) mote;
cpu = mspMote.getCPU();
simulation = simulationToVisualize;
getContentPane().setLayout(new BorderLayout());
// Register as stack observable
if (stackObserver == null) {
mspMote.getStackOverflowObservable().addObserver(stackObserver = new Observer() {
public void update(Observable obs, Object obj) {
simulation.stopSimulation();
JOptionPane.showMessageDialog(
MspStackWatcher.this,
"Bad memory access!\nSimulation stopped.\n" +
"\nCurrent stack pointer = 0x" + Utils.hex16(cpu.reg[MSP430.SP]) +
"\nStart of heap = 0x" + Utils.hex16(cpu.getDisAsm().getMap().heapStartAddress),
"Stack overflow", JOptionPane.ERROR_MESSAGE
);
}
});
}
// Create stack overflow controls
startButton = new JButton("Stop simulation on stack overflow");
startButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
startButton.setEnabled(false);
stopButton.setEnabled(true);
mspMote.monitorStack(true);
}
});
stopButton = new JButton("Cancel");
stopButton.setEnabled(false);
stopButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
startButton.setEnabled(true);
stopButton.setEnabled(false);
mspMote.monitorStack(false);
}
});
// Create nfi's stack viewer
final StackUI stackUI = new StackUI(cpu, (int)MspMote.NR_CYCLES_PER_MSEC);
// Register as log listener
/*if (logObserver == null && mspMote.getInterfaces().getLog() != null) {
mspMote.getInterfaces().getLog().addObserver(logObserver = new Observer() {
public void update(Observable obs, Object obj) {
stackUI.addNote(mspMote.getInterfaces().getLog().getLastLogMessage());
}
});
}*/
JPanel controlPanel = new JPanel(new GridLayout(2,1));
controlPanel.add(startButton);
controlPanel.add(stopButton);
add(BorderLayout.CENTER, stackUI);
add(BorderLayout.SOUTH, controlPanel);
setSize(240, 300);
// Tries to select this plugin
try {
setSelected(true);
} catch (java.beans.PropertyVetoException e) {
// Could not select
}
}
public void closePlugin() {
mspMote.getStackOverflowObservable().deleteObserver(stackObserver);
}
}