experimental debugging output interface for mspsim-based motes

This commit is contained in:
fros4943 2010-01-21 17:43:59 +00:00
parent 742c5a0782
commit 633405a73c
2 changed files with 142 additions and 2 deletions

View File

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: SkyMoteType.java,v 1.13 2009/12/02 17:12:32 fros4943 Exp $
* $Id: SkyMoteType.java,v 1.14 2010/01/21 17:43:59 fros4943 Exp $
*/
package se.sics.cooja.mspmote;
@ -58,6 +58,7 @@ import se.sics.cooja.interfaces.Mote2MoteRelations;
import se.sics.cooja.interfaces.Position;
import se.sics.cooja.interfaces.RimeAddress;
import se.sics.cooja.mspmote.interfaces.MspClock;
import se.sics.cooja.mspmote.interfaces.MspDebugOutput;
import se.sics.cooja.mspmote.interfaces.MspMoteID;
import se.sics.cooja.mspmote.interfaces.SkyButton;
import se.sics.cooja.mspmote.interfaces.SkyByteRadio;
@ -214,7 +215,8 @@ public class SkyMoteType extends MspMoteType {
SkyCoffeeFilesystem.class,
SkyByteRadio.class,
MspSerial.class,
SkyLED.class
SkyLED.class,
MspDebugOutput.class /* EXPERIMENTAL */
};
}

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