From b21866e53a312a43d1a079c36e600e3cdc54357f Mon Sep 17 00:00:00 2001
From: kusy <kusy>
Date: Thu, 16 Jul 2009 06:49:47 +0000
Subject: [PATCH] LPL patch by thomas schmidt

---
 tos/lib/ftsp/TimeSyncC.nc |  5 +++++
 tos/lib/ftsp/TimeSyncP.nc | 11 ++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/tos/lib/ftsp/TimeSyncC.nc b/tos/lib/ftsp/TimeSyncC.nc
index 58af71d2..8022d8a9 100644
--- a/tos/lib/ftsp/TimeSyncC.nc
+++ b/tos/lib/ftsp/TimeSyncC.nc
@@ -69,4 +69,9 @@ implementation
 #endif
   TimeSyncP.Leds  ->  LedsC;
 
+#ifdef LOW_POWER_LISTENING
+  components CC2420ActiveMessageC;
+  TimeSyncP.LowPowerListening -> CC2420ActiveMessageC;
+#endif
+
 }
diff --git a/tos/lib/ftsp/TimeSyncP.nc b/tos/lib/ftsp/TimeSyncP.nc
index 86035dc2..3c3affe8 100644
--- a/tos/lib/ftsp/TimeSyncP.nc
+++ b/tos/lib/ftsp/TimeSyncP.nc
@@ -46,6 +46,12 @@ generic module TimeSyncP(typedef precision_tag)
         interface Leds;
         interface TimeSyncPacket<precision_tag,uint32_t>;
         interface LocalTime<precision_tag> as LocalTime;
+
+
+#ifdef LOW_POWER_LISTENING
+        interface LowPowerListening;
+#endif
+
     }
 }
 implementation
@@ -61,7 +67,7 @@ implementation
         IGNORE_ROOT_MSG       = 4,              // after becoming the root ignore other roots messages (in send period)
         ENTRY_VALID_LIMIT     = 4,              // number of entries to become synchronized
         ENTRY_SEND_LIMIT      = 3,              // number of entries to send sync messages
-        ENTRY_THROWOUT_LIMIT  = 100,            // if time sync error is bigger than this clear the table
+        ENTRY_THROWOUT_LIMIT  = 500,            // if time sync error is bigger than this clear the table
     };
 
     typedef struct TableItem
@@ -353,6 +359,9 @@ implementation
 
         outgoingMsg->globalTime = globalTime;
 
+#ifdef LOW_POWER_LISTENING
+        call LowPowerListening.setRxSleepInterval(&outgoingMsgBuffer, LPL_INTERVAL);
+#endif
         // we don't send time sync msg, if we don't have enough data
         if( numEntries < ENTRY_SEND_LIMIT && outgoingMsg->rootID != TOS_NODE_ID ){
             ++heartBeats;
-- 
2.39.2