From 3c0edd88ca1663f859090a7c33e720628bef5d61 Mon Sep 17 00:00:00 2001
From: rincon <rincon>
Date: Wed, 9 Jan 2008 19:44:37 +0000
Subject: [PATCH] Added a secondary CRC check at the top of the stack while
 investigating the check at the bottom.

---
 tos/chips/cc2420/CC2420ActiveMessageP.nc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tos/chips/cc2420/CC2420ActiveMessageP.nc b/tos/chips/cc2420/CC2420ActiveMessageP.nc
index 2cd35c88..a4e4f843 100644
--- a/tos/chips/cc2420/CC2420ActiveMessageP.nc
+++ b/tos/chips/cc2420/CC2420ActiveMessageP.nc
@@ -164,6 +164,11 @@ implementation {
   
   /***************** SubReceive Events ****************/
   event message_t* SubReceive.receive(message_t* msg, void* payload, uint8_t len) {
+    
+    if(!(call CC2420PacketBody.getMetadata(msg))->crc) {
+      return msg;
+    }
+    
     if (call AMPacket.isForMe(msg)) {
       return signal Receive.receive[call AMPacket.type(msg)](msg, payload, len - CC2420_SIZE);
     }
-- 
2.39.2