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added inter-byte delay for delivering cross-level packet bytes (250kbit/s)

This commit is contained in:
fros4943 2010-02-03 12:37:34 +00:00
parent 83fc001abd
commit e207f89307
1 changed files with 40 additions and 73 deletions
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113
tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/interfaces/SkyByteRadio.java
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: SkyByteRadio.java,v 1.20 2010/01/15 10:44:26 fros4943 Exp $
* $Id: SkyByteRadio.java,v 1.21 2010/02/03 12:37:34 fros4943 Exp $
*/
package se.sics.cooja.mspmote.interfaces;
@ -35,20 +35,28 @@ 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 java.util.Collection;
import java.util.Observable;
import java.util.Observer;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import org.apache.log4j.Logger;
import org.jdom.Element;
import se.sics.cooja.*;
import se.sics.cooja.ClassDescription;
import se.sics.cooja.Mote;
import se.sics.cooja.MoteTimeEvent;
import se.sics.cooja.RadioPacket;
import se.sics.cooja.Simulation;
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;
@ -61,26 +69,27 @@ import se.sics.mspsim.core.OperatingModeListener;
public class SkyByteRadio extends Radio implements CustomDataRadio {
private static Logger logger = Logger.getLogger(SkyByteRadio.class);
private long lastEventTime = 0;
/**
* Cross-level:
* Inter-byte delay for delivering cross-level packet bytes.
*/
public static final long DELAY_BETWEEN_BYTES =
(long) (1000.0*Simulation.MILLISECOND/(250000.0/8.0)); /* us. Corresponds to 250kbit/s */
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 byte lastOutgoingByte;
private byte lastIncomingByte;
private RadioPacket lastOutgoingPacket = null;
private RadioPacket lastIncomingPacket = null;
public SkyByteRadio(Mote mote) {
@ -179,73 +188,35 @@ public class SkyByteRadio extends Radio implements CustomDataRadio {
return lastIncomingPacket;
}
private byte[] crossBufferedData = null;
private TimeEvent deliverPacketDataEvent = new MoteTimeEvent(mote, 0) {
public void execute(long t) {
if (crossBufferedData == null) {
return;
}
/*logger.info("Delivering buffered packet data now: " + mote.getSimulation().getSimulationTime());*/
for (byte b: crossBufferedData) {
if (isInterfered()) {
cc2420.receivedByte((byte)0xFF);
} else {
cc2420.receivedByte(b);
}
}
mote.requestImmediateWakeup();
crossBufferedData = null;
}
};
private StateListener cc2420StateListener = new StateListener() {
public void newState(RadioState state) {
if (cc2420.getState() != CC2420.RadioState.RX_SFD_SEARCH) {
return;
}
cc2420.setStateListener(null);
if (crossBufferedData == null) {
return;
}
/*logger.info("Radio was turned on! Short delay before transmitting buffered data: " + mote.getSimulation().getSimulationTime());*/
/* Deliver data after the radio drivers flush */
mote.getSimulation().scheduleEvent(
deliverPacketDataEvent,
mote.getSimulation().getSimulationTime()+Simulation.MILLISECOND/3
);
}
};
public void setReceivedPacket(RadioPacket packet) {
/* Note:
* Only nodes at other abstraction levels deliver full packets.
* Sky motes would instead directly deliver bytes. */
lastIncomingPacket = packet;
byte[] packetData = CC2420RadioPacketConverter.fromCoojaToCC2420(packet);
/* TODO Check isReceiverOn() instead? */
if (cc2420.getState() != CC2420.RadioState.RX_SFD_SEARCH) {
/*logger.info("Radio is turned off. Buffering data.");*/
crossBufferedData = packetData;
cc2420.setStateListener(cc2420StateListener);
/* TODO Event to remove listener and give up */
logger.warn("Radio is turned off, dropping packet data");
return;
}
/* Delivering data immediately */
/* Delivering packet bytes with delays */
byte[] packetData = CC2420RadioPacketConverter.fromCoojaToCC2420(packet);
long deliveryTime = getMote().getSimulation().getSimulationTime();
for (byte b: packetData) {
if (isInterfered()) {
cc2420.receivedByte((byte)0xFF);
} else {
cc2420.receivedByte(b);
b = (byte) 0xFF;
}
final byte byteToDeliver = b;
getMote().getSimulation().scheduleEvent(new MoteTimeEvent(getMote(), 0) {
public void execute(long t) {
cc2420.receivedByte(byteToDeliver);
mote.requestImmediateWakeup();
}
}, deliveryTime);
deliveryTime += DELAY_BETWEEN_BYTES;
}
mote.requestImmediateWakeup();
}
/* Custom data radio support */
@ -352,10 +323,6 @@ public class SkyByteRadio extends Radio implements CustomDataRadio {
cc2420.setRSSI((int) signalStrength);
}
public double energyConsumption() {
return 0;
}
public JPanel getInterfaceVisualizer() {
// Location
JPanel wrapperPanel = new JPanel(new BorderLayout());