X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Fcc2420%2Ftransmit%2FCC2420TransmitP.nc;fp=tos%2Fchips%2Fcc2420%2Ftransmit%2FCC2420TransmitP.nc;h=cd640b1e7f29336bdbcef0a65e8a46bf238496cd;hb=60dea0b445a208dee67b866d7fd6858092453d6f;hp=a8367e54c99f0342df952fd65fda1dc59baf2e5c;hpb=aa7578fd1472c62c1d22d0801fe0f55b36093bdf;p=tinyos-2.x.git

diff --git a/tos/chips/cc2420/transmit/CC2420TransmitP.nc b/tos/chips/cc2420/transmit/CC2420TransmitP.nc
index a8367e54..cd640b1e 100644
--- a/tos/chips/cc2420/transmit/CC2420TransmitP.nc
+++ b/tos/chips/cc2420/transmit/CC2420TransmitP.nc
@@ -238,8 +238,9 @@ 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);
   }
 
   /**