From 5d774627c6a5f959045751f9d354257b8928313d Mon Sep 17 00:00:00 2001
From: "R. Steve McKown" <rsmckown@gmail.com>
Date: Mon, 24 Aug 2009 21:13:21 -0600
Subject: [PATCH] Backport change from CVS for getTime32() in CC2420TransmitP.

---
 tos/chips/cc2420/transmit/CC2420TransmitP.nc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tos/chips/cc2420/transmit/CC2420TransmitP.nc b/tos/chips/cc2420/transmit/CC2420TransmitP.nc
index 87898e2c..7e12cec8 100644
--- a/tos/chips/cc2420/transmit/CC2420TransmitP.nc
+++ b/tos/chips/cc2420/transmit/CC2420TransmitP.nc
@@ -258,8 +258,9 @@ implementation {
   
   inline uint32_t getTime32(uint16_t time)
   {
-    uint32_t recent_time=call BackoffTimer.getNow();
-    return recent_time + (int16_t)(time - recent_time);
+    uint32_t recent_time = call BackoffTimer.getNow();
+
+    return recent_time - (uint16_t)(recent_time - time);
   }
 
   /**
-- 
2.39.2