From a637ddaf4e0195404833f6320fef2826f5714cdd Mon Sep 17 00:00:00 2001
From: adamdunkels <adamdunkels>
Date: Sat, 3 Apr 2010 16:01:00 +0000
Subject: [PATCH] Flush the rxfifo when turning off the radio instead of when
 turning it on. This seems to fix a bug that was seen in mspsim and seemed to
 appear on real hardware too.

---
 core/dev/cc2420.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/core/dev/cc2420.c b/core/dev/cc2420.c
index 11fafa610..4c991f409 100644
--- a/core/dev/cc2420.c
+++ b/core/dev/cc2420.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * @(#)$Id: cc2420.c,v 1.48 2010/03/31 19:08:56 adamdunkels Exp $
+ * @(#)$Id: cc2420.c,v 1.49 2010/04/03 16:01:00 adamdunkels Exp $
  */
 /*
  * This code is almost device independent and should be easy to port.
@@ -189,7 +189,7 @@ on(void)
 
   ENABLE_FIFOP_INT();
   strobe(CC2420_SRXON);
-  flushrx();
+
 }
 static void
 off(void)
@@ -201,6 +201,7 @@ off(void)
   /* Wait for transmission to end before turning radio off. */
   while(status() & BV(CC2420_TX_ACTIVE));
 
+  flushrx();
   strobe(CC2420_SRFOFF);
   DISABLE_FIFOP_INT();
   ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
@@ -215,6 +216,7 @@ static void RELEASE_LOCK(void) {
       lock_on = 0;
     }
     if(lock_off) {
+      leds_off(LEDS_BLUE);
       off();
       lock_off = 0;
     }