From 115b3a7c5cb4e3962c580a2757c6f43db9b33f87 Mon Sep 17 00:00:00 2001
From: adamdunkels <adamdunkels>
Date: Wed, 17 Mar 2010 18:24:06 +0000
Subject: [PATCH] Minor timing bugfix: the time between channel checks should
 not include the time required for the channel check itself

---
 core/net/mac/contikimac.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/net/mac/contikimac.c b/core/net/mac/contikimac.c
index 50c92152a..28475ad64 100644
--- a/core/net/mac/contikimac.c
+++ b/core/net/mac/contikimac.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: contikimac.c,v 1.14 2010/03/17 16:35:52 adamdunkels Exp $
+ * $Id: contikimac.c,v 1.15 2010/03/17 18:24:06 adamdunkels Exp $
  */
 
 /**
@@ -103,7 +103,7 @@ struct announcement_msg {
 
 #define CCA_COUNT_MAX 2
 #define CCA_CHECK_TIME                     RTIMER_ARCH_SECOND / 8192
-#define CCA_SLEEP_TIME                     RTIMER_ARCH_SECOND / 2000 + CCA_CHECK_TIME
+#define CCA_SLEEP_TIME                     RTIMER_ARCH_SECOND / 2000
 #define CHECK_TIME                         (CCA_COUNT_MAX * (CCA_CHECK_TIME + CCA_SLEEP_TIME))
 
 #define STREAM_CCA_COUNT                   (CYCLE_TIME / (CCA_SLEEP_TIME + CCA_CHECK_TIME) - CCA_COUNT_MAX)