experimental debugging output interface for mspsim-based motes
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@ -26,7 +26,7 @@
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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: SkyMoteType.java,v 1.13 2009/12/02 17:12:32 fros4943 Exp $
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* $Id: SkyMoteType.java,v 1.14 2010/01/21 17:43:59 fros4943 Exp $
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*/
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package se.sics.cooja.mspmote;
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@ -58,6 +58,7 @@ import se.sics.cooja.interfaces.Mote2MoteRelations;
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import se.sics.cooja.interfaces.Position;
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import se.sics.cooja.interfaces.RimeAddress;
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import se.sics.cooja.mspmote.interfaces.MspClock;
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import se.sics.cooja.mspmote.interfaces.MspDebugOutput;
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import se.sics.cooja.mspmote.interfaces.MspMoteID;
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import se.sics.cooja.mspmote.interfaces.SkyButton;
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import se.sics.cooja.mspmote.interfaces.SkyByteRadio;
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@ -214,7 +215,8 @@ public class SkyMoteType extends MspMoteType {
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SkyCoffeeFilesystem.class,
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SkyByteRadio.class,
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MspSerial.class,
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SkyLED.class
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SkyLED.class,
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MspDebugOutput.class /* EXPERIMENTAL */
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};
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}
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@ -0,0 +1,138 @@
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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: MspDebugOutput.java,v 1.1 2010/01/21 17:43:59 fros4943 Exp $
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*/
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package se.sics.cooja.mspmote.interfaces;
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import java.util.Collection;
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import javax.swing.JPanel;
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import org.apache.log4j.Logger;
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import org.jdom.Element;
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import se.sics.cooja.ClassDescription;
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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.mspmote.MspMote;
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import se.sics.cooja.mspmote.MspMoteMemory;
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import se.sics.mspsim.core.CPUMonitor;
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/**
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* Observes writes to a special (hardcoded) Contiki variable: cooja_debug_ptr.
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* When the pointer is changed, the string that the pointer points to
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* is outputted as log output from this mote interface.
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*
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* Contiki code example:
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* cooja_debug_ptr = "Almost non-intrusive debug output";
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* or simply:
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* COOJA_DEBUG("Almost non-intrusive debug output");
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*
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* @author Fredrik Osterlind
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*/
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@ClassDescription("Debugging output")
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public class MspDebugOutput extends Log {
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private static Logger logger = Logger.getLogger(MspDebugOutput.class);
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private final static String CONTIKI_POINTER = "cooja_debug_ptr";
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private MspMote mote;
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private MspMoteMemory mem;
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private String lastLog = null;
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public MspDebugOutput(Mote mote) {
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this.mote = (MspMote) mote;
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this.mem = (MspMoteMemory) this.mote.getMemory();
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this.mote.getCPU().setBreakPoint(mem.getVariableAddress(CONTIKI_POINTER),
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new CPUMonitor() {
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public void cpuAction(int type, int adr, int data) {
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if (type != MEMORY_WRITE) {
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return;
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}
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String msg = extractString(mem, data);
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if (msg != null && msg.length() > 0) {
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lastLog = "DEBUG: " + msg;
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setChanged();
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notifyObservers(MspDebugOutput.this.mote);
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}
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}
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});
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}
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private String extractString(MspMoteMemory mem, int address) {
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StringBuilder sb = new StringBuilder();
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while (true) {
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byte[] data = mem.getMemorySegment(address, 8);
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address += 8;
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for (byte b: data) {
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if (b == 0) {
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return sb.toString();
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}
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sb.append((char)b);
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if (sb.length() > 128) {
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/* Maximum size */
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return sb.toString() + "...";
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}
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}
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}
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}
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public Mote getMote() {
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return mote;
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}
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public String getLastLogMessage() {
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return lastLog;
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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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/* Observed Contiki pointer is hardcoded */
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}
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public JPanel getInterfaceVisualizer() {
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return null;
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}
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public void releaseInterfaceVisualizer(JPanel panel) {
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}
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public void removed() {
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super.removed();
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/* TODO Remove watchpoint */
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}
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}
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