/*
* Copyright (c) 2008, 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: SkyByteRadio.java,v 1.11 2009/05/04 15:34:00 fros4943 Exp $
*/
package se.sics.cooja.mspmote.interfaces;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.*;
import javax.swing.*;
import org.apache.log4j.Logger;
import org.jdom.Element;
import se.sics.cooja.*;
import se.sics.cooja.interfaces.CustomDataRadio;
import se.sics.cooja.interfaces.Position;
import se.sics.cooja.interfaces.Radio;
import se.sics.cooja.mspmote.SkyMote;
import se.sics.mspsim.chip.CC2420;
import se.sics.mspsim.chip.RFListener;
import se.sics.mspsim.chip.CC2420.RadioState;
import se.sics.mspsim.chip.CC2420.StateListener;
import se.sics.mspsim.core.Chip;
import se.sics.mspsim.core.OperatingModeListener;
/**
* CC2420 to COOJA wrapper.
*
* @author Fredrik Osterlind
*/
@ClassDescription("CC2420")
public class SkyByteRadio extends Radio implements CustomDataRadio {
private static Logger logger = Logger.getLogger(SkyByteRadio.class);
private long lastEventTime = 0;
private RadioEvent lastEvent = RadioEvent.UNKNOWN;
private SkyMote mote;
private CC2420 cc2420;
private boolean isInterfered = false;
private boolean isTransmitting = false;
private boolean isReceiving = false;
// private boolean hasFailedReception = false;
private CC2420RadioByte lastOutgoingByte = null;
private CC2420RadioByte lastIncomingByte = null;
private RadioPacket lastOutgoingPacket = null;
private RadioPacket lastIncomingPacket = null;
// private int mode;
//TODO: HW on/off
public SkyByteRadio(Mote mote) {
this.mote = (SkyMote) mote;
this.cc2420 = this.mote.skyNode.radio;
cc2420.setRFListener(new RFListener() {
int len = 0;
int expLen = 0;
byte[] buffer = new byte[127 + 15];
public void receivedByte(byte data) {
if (len == 0) {
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.TRANSMISSION_STARTED;
/*logger.debug("----- SKY TRANSMISSION STARTED -----");*/
setChanged();
notifyObservers();
}
/* send this byte to all nodes */
lastOutgoingByte = new CC2420RadioByte(data);
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.CUSTOM_DATA_TRANSMITTED;
setChanged();
notifyObservers();
buffer[len++] = data;
if (len == 6) {
// System.out.println("## CC2420 Packet of length: " + data + " expected...");
expLen = data + 6;
}
if (len == expLen) {
/*logger.debug("----- SKY CUSTOM DATA TRANSMITTED -----");*/
lastOutgoingPacket = CC2420RadioPacketConverter.fromCC2420ToCooja(buffer);
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.PACKET_TRANSMITTED;
/*logger.debug("----- SKY PACKET TRANSMITTED -----");*/
setChanged();
notifyObservers();
// System.out.println("## CC2420 Transmission finished...");
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
/*logger.debug("----- SKY TRANSMISSION FINISHED -----");*/
lastEvent = RadioEvent.TRANSMISSION_FINISHED;
setChanged();
notifyObservers();
len = 0;
}
}
});
cc2420.addOperatingModeListener(new OperatingModeListener() {
public void modeChanged(Chip source, int mode) {
if (isReceiverOn()) {
lastEvent = RadioEvent.HW_ON;
} else {
lastEvent = RadioEvent.HW_OFF;
}
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
setChanged();
notifyObservers();
}
});
}
/* Packet radio support */
public RadioPacket getLastPacketTransmitted() {
return lastOutgoingPacket;
}
public RadioPacket getLastPacketReceived() {
return lastIncomingPacket;
}
private byte[] crossBufferedData = null;
private TimeEvent receiveCrosslevelDataEvent = new TimeEvent(0) {
public void execute(long t) {
if (crossBufferedData == null) {
return;
}
/*logger.info("Radio is now ready to receive the incoming data");*/
for (byte b: crossBufferedData) {
cc2420.receivedByte(b);
}
crossBufferedData = null;
}
};
private StateListener cc2420StateListener = new StateListener() {
public void newState(RadioState state) {
if (cc2420.getState() == CC2420.RadioState.RX_SFD_SEARCH) {
cc2420.setStateListener(null);
if (crossBufferedData == null) {
return;
}
/* Receive data very soon (just wait for a radio flush) */
mote.getSimulation().scheduleEvent(
receiveCrosslevelDataEvent,
mote.getSimulation().getSimulationTime()+1
);
}
}
};
public void setReceivedPacket(RadioPacket packet) {
lastIncomingPacket = packet;
/* TODO Receiving all bytes at the same time ok? */
byte[] packetData = CC2420RadioPacketConverter.fromCoojaToCC2420(packet);
if (cc2420.getState() != CC2420.RadioState.RX_SFD_SEARCH) {
/*logger.info("Radio is not currently active. Let's wait some...");*/
crossBufferedData = packetData;
cc2420.setStateListener(cc2420StateListener);
/* TODO Event to remove listener and give up */
return;
}
for (byte b: packetData) {
cc2420.receivedByte(b);
}
}
/* Custom data radio support */
public Object getLastCustomDataTransmitted() {
return lastOutgoingByte;
}
public Object getLastCustomDataReceived() {
return lastIncomingByte;
}
public void receiveCustomData(Object data) {
if (data instanceof CC2420RadioByte) {
lastIncomingByte = (CC2420RadioByte) data;
cc2420.receivedByte(lastIncomingByte.getPacketData()[0]);
}
}
/* General radio support */
public boolean isTransmitting() {
return isTransmitting;
}
public boolean isReceiving() {
return isReceiving;
}
public boolean isInterfered() {
return isInterfered;
}
public int getChannel() {
cc2420.updateActiveFrequency();
return cc2420.getActiveChannel();
}
public int getFrequency() {
cc2420.updateActiveFrequency();
return cc2420.getActiveFrequency();
}
public void signalReceptionStart() {
cc2420.setCCA(true);
// hasFailedReception = mode == CC2420.MODE_TXRX_OFF;
isReceiving = true;
/* TODO cc2420.setSFD(true); */
lastEventTime = mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.RECEPTION_STARTED;
/*logger.debug("----- SKY RECEPTION STARTED -----");*/
setChanged();
notifyObservers();
}
public void signalReceptionEnd() {
/* Deliver packet data */
isReceiving = false;
// hasFailedReception = false;
isInterfered = false;
cc2420.setCCA(false);
lastEventTime = mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.RECEPTION_FINISHED;
/*logger.debug("----- SKY RECEPTION FINISHED -----");*/
setChanged();
notifyObservers();
}
public RadioEvent getLastEvent() {
return lastEvent;
}
public void interfereAnyReception() {
isInterfered = true;
isReceiving = false;
// hasFailedReception = false;
lastIncomingPacket = null;
cc2420.setCCA(true);
lastEventTime = mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.RECEPTION_INTERFERED;
/*logger.debug("----- SKY RECEPTION INTERFERED -----");*/
setChanged();
notifyObservers();
}
public double getCurrentOutputPower() {
return cc2420.getOutputPower();
}
public int getCurrentOutputPowerIndicator() {
return cc2420.getOutputPowerIndicator();
}
public int getOutputPowerIndicatorMax() {
return 31;
}
public double getCurrentSignalStrength() {
return cc2420.getRSSI();
}
public void setCurrentSignalStrength(double signalStrength) {
cc2420.setRSSI((int) signalStrength);
}
public double energyConsumption() {
return 0;
}
public JPanel getInterfaceVisualizer() {
// Location
JPanel wrapperPanel = new JPanel(new BorderLayout());
JPanel panel = new JPanel(new GridLayout(5, 2));
final JLabel statusLabel = new JLabel("");
final JLabel lastEventLabel = new JLabel("");
final JLabel channelLabel = new JLabel("");
final JLabel powerLabel = new JLabel("");
final JLabel ssLabel = new JLabel("");
final JButton updateButton = new JButton("Update");
panel.add(new JLabel("STATE:"));
panel.add(statusLabel);
panel.add(new JLabel("LAST EVENT:"));
panel.add(lastEventLabel);
panel.add(new JLabel("CHANNEL:"));
panel.add(channelLabel);
panel.add(new JLabel("OUTPUT POWER:"));
panel.add(powerLabel);
panel.add(new JLabel("SIGNAL STRENGTH:"));
JPanel smallPanel = new JPanel(new GridLayout(1, 2));
smallPanel.add(ssLabel);
smallPanel.add(updateButton);
panel.add(smallPanel);
updateButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
channelLabel.setText(getChannel() + " (freq=" + getFrequency() + " MHz)");
powerLabel.setText(getCurrentOutputPower() + " dBm (indicator=" + getCurrentOutputPowerIndicator() + "/" + getOutputPowerIndicatorMax() + ")");
ssLabel.setText(getCurrentSignalStrength() + " dBm");
}
});
Observer observer;
this.addObserver(observer = new Observer() {
public void update(Observable obs, Object obj) {
if (isTransmitting()) {
statusLabel.setText("transmitting");
} else if (isReceiving()) {
statusLabel.setText("receiving");
} else if (isReceiverOn()) {
statusLabel.setText("listening for traffic");
} else {
statusLabel.setText("HW off");
}
lastEventLabel.setText(lastEvent + " @ time=" + lastEventTime);
channelLabel.setText(getChannel() + " (freq=" + getFrequency() + " MHz)");
powerLabel.setText(getCurrentOutputPower() + " dBm (indicator=" + getCurrentOutputPowerIndicator() + "/" + getOutputPowerIndicatorMax() + ")");
ssLabel.setText(getCurrentSignalStrength() + " dBm");
}
});
observer.update(null, null);
wrapperPanel.add(BorderLayout.NORTH, panel);
// Saving observer reference for releaseInterfaceVisualizer
wrapperPanel.putClientProperty("intf_obs", observer);
return wrapperPanel;
}
public void releaseInterfaceVisualizer(JPanel panel) {
Observer observer = (Observer) panel.getClientProperty("intf_obs");
if (observer == null) {
logger.fatal("Error when releasing panel, observer is null");
return;
}
this.deleteObserver(observer);
}
public Mote getMote() {
return mote;
}
public Position getPosition() {
return mote.getInterfaces().getPosition();
}
public Collection<Element> getConfigXML() {
return null;
}
public void setConfigXML(Collection<Element> configXML, boolean visAvailable) {
}
public boolean isReceiverOn() {
return mote.skyNode.radio.getMode() != CC2420.MODE_TXRX_OFF;
}
}