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send empty packet if node reboots during transmission

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This commit is contained in:
Fredrik Osterlind 2012-03-12 14:34:06 +01:00
parent bb4885abdc
commit 9b267036a4
1 changed files with 47 additions and 26 deletions
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73
tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/interfaces/SkyByteRadio.java
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@ -82,8 +82,8 @@ public class SkyByteRadio extends Radio implements CustomDataRadio {
private RadioPacket lastOutgoingPacket = null;
private RadioPacket lastIncomingPacket = null;
public SkyByteRadio(Mote mote) {
this.mote = (MspMote)mote;
public SkyByteRadio(Mote m) {
this.mote = (MspMote)m;
this.cc2420 = (CC2420) this.mote.getCPU().getChip(CC2420.class);
if (cc2420 == null) {
throw new IllegalStateException("Mote is not equipped with a CC2420");
@ -98,6 +98,7 @@ public class SkyByteRadio extends Radio implements CustomDataRadio {
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.TRANSMISSION_STARTED;
isTransmitting = true;
len = 0;
/*logger.debug("----- SKY TRANSMISSION STARTED -----");*/
setChanged();
notifyObservers();
@ -133,9 +134,6 @@ public class SkyByteRadio extends Radio implements CustomDataRadio {
setChanged();
notifyObservers();
// System.out.println("## CC2420 Transmission finished...");
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
/*logger.debug("----- SKY TRANSMISSION FINISHED -----");*/
isTransmitting = false;
@ -150,36 +148,59 @@ public class SkyByteRadio extends Radio implements CustomDataRadio {
cc2420.addOperatingModeListener(new OperatingModeListener() {
public void modeChanged(Chip source, int mode) {
if (isReceiverOn()) {
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.HW_ON;
setChanged();
notifyObservers();
} else {
/* Radio was turned off during transmission.
* May for example happen if watchdog triggers */
if (isTransmitting()) {
logger.fatal("Turning off radio while transmitting");
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
/*logger.debug("----- SKY TRANSMISSION FINISHED -----");*/
isTransmitting = false;
lastEvent = RadioEvent.TRANSMISSION_FINISHED;
setChanged();
notifyObservers();
}
lastEvent = RadioEvent.HW_OFF;
radioOff();
}
}
});
cc2420.setChannelListener(new CC2420.ChannelListener() {
public void changedChannel(int channel) {
/* XXX Currently assumes zero channel switch time */
lastEvent = RadioEvent.UNKNOWN;
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
setChanged();
notifyObservers();
}
});
}
cc2420.setChannelListener(new CC2420.ChannelListener() {
public void changedChannel(int channel) {
/* XXX Currently assumes zero channel switch time */
lastEvent = RadioEvent.UNKNOWN;
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
setChanged();
notifyObservers();
}
});
private void radioOff() {
/* Radio was turned off during transmission.
* May for example happen if watchdog triggers */
if (isTransmitting()) {
logger.warn("Turning off radio while transmitting, ending packet prematurely");
/* Simulate end of packet */
lastOutgoingPacket = new RadioPacket() {
public byte[] getPacketData() {
return new byte[0];
}
};
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.PACKET_TRANSMITTED;
/*logger.debug("----- SKY PACKET TRANSMITTED -----");*/
setChanged();
notifyObservers();
/* Register that transmission ended in radio medium */
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
/*logger.debug("----- SKY TRANSMISSION FINISHED -----");*/
isTransmitting = false;
lastEvent = RadioEvent.TRANSMISSION_FINISHED;
setChanged();
notifyObservers();
}
lastEventTime = SkyByteRadio.this.mote.getSimulation().getSimulationTime();
lastEvent = RadioEvent.HW_OFF;
setChanged();
notifyObservers();
}
/* Packet radio support */