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added configurable transmission rate (default 19.2kbps)

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fros4943 2007-05-31 07:19:11 +00:00
parent 3e364371e7
commit 70969c1930
2 changed files with 14 additions and 6 deletions
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1
tools/cooja/config/cooja_default.config
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@ -20,6 +20,7 @@ se.sics.cooja.contikimote.interfaces.ContikiPIR.EXTERNAL_INTERRUPT_bool = true
se.sics.cooja.contikimote.interfaces.ContikiRadio.ACTIVE_CONSUMPTION_mA = 5
se.sics.cooja.contikimote.interfaces.ContikiRadio.EXTERNAL_INTERRUPT_bool = true
se.sics.cooja.contikimote.interfaces.ContikiRadio.RADIO_TRANSMISSION_RATE_kbps = 19.2
se.sics.cooja.contikimote.interfaces.ContikiVib.ACTIVE_CONSUMPTION_mA = 1.58
se.sics.cooja.contikimote.interfaces.ContikiVib.EXTERNAL_INTERRUPT_bool = true

17
tools/cooja/java/se/sics/cooja/contikimote/interfaces/ContikiRadio.java
View file

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ContikiRadio.java,v 1.15 2007/05/30 10:52:57 fros4943 Exp $
* $Id: ContikiRadio.java,v 1.16 2007/05/31 07:19:11 fros4943 Exp $
*/
package se.sics.cooja.contikimote.interfaces;
@ -91,6 +91,13 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface,
*/
public final double ENERGY_CONSUMPTION_RADIO_mA;
/**
* Approximate transmission rate (kbps), used to calculate transmission
* duration of packets. Each transmission is assumed to use an encoding with
* an overhead nrBytesx0.25 (such as GCR), and a fixed overhead of 34 bytes.
*/
public final double RADIO_TRANSMISSION_RATE_kbps;
private final boolean RAISES_EXTERNAL_INTERRUPT;
private double energyListeningRadioPerTick = -1;
@ -129,6 +136,8 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface,
ContikiRadio.class, "ACTIVE_CONSUMPTION_mA");
RAISES_EXTERNAL_INTERRUPT = mote.getType().getConfig().getBooleanValue(
ContikiRadio.class, "EXTERNAL_INTERRUPT_bool");
RADIO_TRANSMISSION_RATE_kbps = mote.getType().getConfig().getDoubleValue(
ContikiRadio.class, "RADIO_TRANSMISSION_RATE_kbps");
this.myMote = mote;
this.myMoteMemory = (SectionMoteMemory) mote.getMemory();
@ -361,10 +370,8 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface,
isTransmitting = true;
// Assuming sending at 19.2 kbps, with GCR and 30+4 bytes overhead
// (8bit/byte, 30 bytes nonGCR overhead, 1.25 due to GCR)
//int duration = (int) ((double) (8*(30+1.25*(size+4))) / 19.2);
int duration = (int) ((double) (280 + 10*size) / 19.2); // ms
// Calculate transmission duration (ms)
int duration = (int) ((double) (280 + 10 * size) / RADIO_TRANSMISSION_RATE_kbps);
transmissionEndTime = myMote.getSimulation().getSimulationTime()
+ Math.max(1, duration);
lastEventTime = myMote.getSimulation().getSimulationTime();