From f634ccfb3dafd495c517ac67f2d89717709e795f Mon Sep 17 00:00:00 2001
From: adamdunkels <adamdunkels>
Date: Wed, 11 Mar 2009 20:38:53 +0000
Subject: [PATCH] Set transmission power based on packet attribute

---
 core/dev/cc2420.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/dev/cc2420.c b/core/dev/cc2420.c
index a448d0ce0..9a0f0ed29 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 1.27 2009/03/02 21:59:01 adamdunkels Exp $
+ * @(#)$Id: cc2420.c,v 1.28 2009/03/11 20:38:53 adamdunkels Exp $
  */
 /*
  * This code is almost device independent and should be easy to port.
@@ -318,6 +318,12 @@ cc2420_send(const void *payload, unsigned short payload_len)
 
   GET_LOCK();
 
+  if(rimebuf_attr(RIMEBUF_ATTR_RADIO_TXPOWER) > 0) {
+    cc2420_set_txpower(rimebuf_attr(RIMEBUF_ATTR_RADIO_TXPOWER) - 1);
+  } else {
+    cc2420_set_txpower(CC2420_TXPOWER_MAX);
+  }
+  
   PRINTF("cc2420: sending %d bytes\n", payload_len);
   
   RIMESTATS_ADD(lltx);