Index: /webserver/example/EnergyMeters/Source/portable/GCC/ARM7_LPC23xx/portmacro.h
===================================================================
--- /webserver/example/EnergyMeters/Source/portable/GCC/ARM7_LPC23xx/portmacro.h (revision 14)
+++ /webserver/example/EnergyMeters/Source/portable/GCC/ARM7_LPC23xx/portmacro.h (revision 65)
@@ -206,5 +206,5 @@
 
 #define portYIELD_FROM_ISR()		vTaskSwitchContext()
-#define portYIELD()					asm volatile ( "SWI" )
+#define portYIELD()					asm volatile ( "SWI 0" )
 /*-----------------------------------------------------------*/