X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Frf2xx%2Frf230%2FRF230DriverLayerP.nc;h=b582d3cdd805d7836ad80f784d329862c825881e;hb=68ae4ee37ca8cde821a2a92e2d1281bebe6efcdd;hp=725796c550f008f762fdd75fdc1a94f3066a8e46;hpb=519673769e4a40805dc68b99f9e9ceb739d64800;p=tinyos-2.x.git

diff --git a/tos/chips/rf2xx/rf230/RF230DriverLayerP.nc b/tos/chips/rf2xx/rf230/RF230DriverLayerP.nc
index 725796c5..b582d3cd 100644
--- a/tos/chips/rf2xx/rf230/RF230DriverLayerP.nc
+++ b/tos/chips/rf2xx/rf230/RF230DriverLayerP.nc
@@ -433,12 +433,14 @@ implementation
 			return EBUSY;
 		}
 
+#ifndef RF230_SLOW_SPI
 		atomic
 		{
 			call SLP_TR.set();
 			time = call RadioAlarm.getNow() + TX_SFD_DELAY;
 		}
 		call SLP_TR.clr();
+#endif
 
 		ASSERT( ! radioIrq );
 
@@ -466,6 +468,15 @@ implementation
 		}
 		while( --header != 0 );
 
+#ifdef RF230_SLOW_SPI
+		atomic
+		{
+			call SLP_TR.set();
+			time = call RadioAlarm.getNow() + TX_SFD_DELAY;
+		}
+		call SLP_TR.clr();
+#endif
+
 		time32 += (int16_t)(time) - (int16_t)(time32);
 
 		if( timesync != 0 )