added configurable transmission rate (default 19.2kbps)
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3e364371e7
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@ -20,6 +20,7 @@ se.sics.cooja.contikimote.interfaces.ContikiPIR.EXTERNAL_INTERRUPT_bool = true
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se.sics.cooja.contikimote.interfaces.ContikiRadio.ACTIVE_CONSUMPTION_mA = 5
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se.sics.cooja.contikimote.interfaces.ContikiRadio.EXTERNAL_INTERRUPT_bool = true
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se.sics.cooja.contikimote.interfaces.ContikiRadio.RADIO_TRANSMISSION_RATE_kbps = 19.2
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se.sics.cooja.contikimote.interfaces.ContikiVib.ACTIVE_CONSUMPTION_mA = 1.58
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se.sics.cooja.contikimote.interfaces.ContikiVib.EXTERNAL_INTERRUPT_bool = true
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@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: ContikiRadio.java,v 1.15 2007/05/30 10:52:57 fros4943 Exp $
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* $Id: ContikiRadio.java,v 1.16 2007/05/31 07:19:11 fros4943 Exp $
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*/
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package se.sics.cooja.contikimote.interfaces;
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@ -91,6 +91,13 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface,
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*/
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public final double ENERGY_CONSUMPTION_RADIO_mA;
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/**
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* Approximate transmission rate (kbps), used to calculate transmission
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* duration of packets. Each transmission is assumed to use an encoding with
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* an overhead nrBytesx0.25 (such as GCR), and a fixed overhead of 34 bytes.
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*/
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public final double RADIO_TRANSMISSION_RATE_kbps;
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private final boolean RAISES_EXTERNAL_INTERRUPT;
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private double energyListeningRadioPerTick = -1;
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@ -129,7 +136,9 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface,
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ContikiRadio.class, "ACTIVE_CONSUMPTION_mA");
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RAISES_EXTERNAL_INTERRUPT = mote.getType().getConfig().getBooleanValue(
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ContikiRadio.class, "EXTERNAL_INTERRUPT_bool");
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RADIO_TRANSMISSION_RATE_kbps = mote.getType().getConfig().getDoubleValue(
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ContikiRadio.class, "RADIO_TRANSMISSION_RATE_kbps");
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this.myMote = mote;
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this.myMoteMemory = (SectionMoteMemory) mote.getMemory();
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@ -361,10 +370,8 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface,
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isTransmitting = true;
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// Assuming sending at 19.2 kbps, with GCR and 30+4 bytes overhead
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// (8bit/byte, 30 bytes nonGCR overhead, 1.25 due to GCR)
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//int duration = (int) ((double) (8*(30+1.25*(size+4))) / 19.2);
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int duration = (int) ((double) (280 + 10*size) / 19.2); // ms
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// Calculate transmission duration (ms)
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int duration = (int) ((double) (280 + 10 * size) / RADIO_TRANSMISSION_RATE_kbps);
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transmissionEndTime = myMote.getSimulation().getSimulationTime()
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+ Math.max(1, duration);
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lastEventTime = myMote.getSimulation().getSimulationTime();
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