Now supporting PIB attribute "macRxOnWhenIdle"

[tinyos-2.x.git] / tos / lib / mac / tkn154 / DispatchSlottedCsmaP.nc

diff --git a/tos/lib/mac/tkn154/DispatchSlottedCsmaP.nc b/tos/lib/mac/tkn154/DispatchSlottedCsmaP.nc
index eccccc19eb8efdf36c304e813e900f6e05dd21a2..7709ae8f63342eab1f0f494c89ff279e08d5e3b1 100644 (file)
--- a/tos/lib/mac/tkn154/DispatchSlottedCsmaP.nc
+++ b/tos/lib/mac/tkn154/DispatchSlottedCsmaP.nc
@@ -80,6 +80,7 @@ generic module DispatchSlottedCsmaP(uint8_t sfDirection)
     interface Get<ieee154_txframe_t*> as GetIndirectTxFrame; 
     interface Notify<bool> as RxEnableStateChange;
     interface GetNow<bool> as IsTrackingBeacons;
+    interface Notify<const void*> as PIBUpdateMacRxOnWhenIdle;
     interface FrameUtility;
     interface SlottedCsmaCa;
     interface RadioRx;
@@ -121,6 +122,7 @@ implementation
   norace ieee154_txframe_t *m_bcastFrame;
   norace ieee154_txframe_t *m_lastFrame;
   norace uint16_t m_remainingBackoff;
+  ieee154_macRxOnWhenIdle_t macRxOnWhenIdle;
 
   /* variables for the slotted CSMA-CA */
   norace ieee154_csma_t m_csma;
@@ -406,7 +408,7 @@ implementation
       else if (call SuperframeStructure.battLifeExtDuration() > 0 &&
           call TimeCalc.hasExpired(call SuperframeStructure.sfStartTime(), 
             call SuperframeStructure.battLifeExtDuration()) &&
-          !call IsRxEnableActive.getNow()) {
+          !call IsRxEnableActive.getNow() && !macRxOnWhenIdle) {
         dbg_push_state(5);
         next = trySwitchOff();
       }
@@ -418,13 +420,12 @@ implementation
       }
 
       // Check 7: should we be in receive mode?
-      else if (COORD_ROLE || call IsRxEnableActive.getNow()) {
+      else if (COORD_ROLE || call IsRxEnableActive.getNow() || macRxOnWhenIdle) {
         dbg_push_state(7);
         next = tryReceive(NO_ALARM);
         if (next == DO_NOTHING) {
-          // this means there is an active MLME_RX_ENABLE.request
-          // and the radio was just switched to Rx mode - signal
-          // a notify event to inform the respective component
+          // if there was an active MLME_RX_ENABLE.request then we'll
+          // inform the next higher layer that radio is now in Rx mode
           post wasRxEnabledTask();
         }
       }
@@ -524,6 +525,10 @@ implementation
   async event void BLEAlarm.fired() { updateState();}
   event void RxEnableStateChange.notify(bool whatever) { updateState();}
   async event void BroadcastAlarm.fired() { m_broadcastRxPending = FALSE; updateState();}
+  event void PIBUpdateMacRxOnWhenIdle.notify( const void* val ) {
+    atomic macRxOnWhenIdle = *((ieee154_macRxOnWhenIdle_t*) val);
+    updateState();
+  }
 
   async event void IndirectTxWaitAlarm.fired() 
   {