X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=apps%2FAntiTheft%2FRoot%2FAntiTheftRootC.nc;h=ada387b5ec1a9ba6750b5d8bf5b3b3c0c67996de;hb=e9bfab607e051bae6afb47b44892ce37541d1b44;hp=c86b240395221cf558e2686ee5b9d1ec08f3f198;hpb=b24c2797f60e5a4d9e565dd4c13122fb68d6dcdf;p=tinyos-2.x.git

diff --git a/apps/AntiTheft/Root/AntiTheftRootC.nc b/apps/AntiTheft/Root/AntiTheftRootC.nc
index c86b2403..ada387b5 100644
--- a/apps/AntiTheft/Root/AntiTheftRootC.nc
+++ b/apps/AntiTheft/Root/AntiTheftRootC.nc
@@ -29,6 +29,7 @@ module AntiTheftRootC
     interface Receive as SettingsReceive;
 
     interface StdControl as CollectionControl;
+    interface StdControl as DisseminationControl;
     interface RootControl;
     interface Receive as AlertsReceive;
     interface AMSend as AlertsForward;
@@ -54,7 +55,8 @@ implementation
        tree */
     if (error == SUCCESS)
       {
-	call LowPowerListening.setLocalDutyCycle(200);
+	call LowPowerListening.setLocalWakeupInterval(512);
+	call DisseminationControl.start();
 	call CollectionControl.start();
 	call RootControl.setRoot();
       }
@@ -91,11 +93,12 @@ implementation
       {
 	/* Copy payload (newAlert) from collection system to our serial
 	   message buffer (fwdAlert), then send our serial message */
-	alert_t *fwdAlert = call AlertsForward.getPayload(&fwdMsg);
-
-	*fwdAlert = *newAlert;
-	if (call AlertsForward.send(AM_BROADCAST_ADDR, &fwdMsg, sizeof *fwdAlert) == SUCCESS)
-	  fwdBusy = TRUE;
+	alert_t *fwdAlert = call AlertsForward.getPayload(&fwdMsg, sizeof(alert_t));
+	if (fwdAlert != NULL) {
+	  *fwdAlert = *newAlert;
+	  if (call AlertsForward.send(AM_BROADCAST_ADDR, &fwdMsg, sizeof *fwdAlert) == SUCCESS)
+	    fwdBusy = TRUE;
+	}
       }
     return msg;
   }