os_time.c

UCOS最小系统。能在单片机上闪烁LED。支持2个led闪烁。

#ifndef OS_MASTER_FILE
#include <ucos_ii.h>
#endif
void OSTimeDly( INT16U ticks) reentrant
{
   INT8U y;
	if(OSIntNesting>0){ //check if trying to call from isr
	   return ;
	 }
	 if (ticks>0) {
	  	OS_ENTER_CRITICAL( );
        y =OSTCBCur->OSTCBY;  //DELAY CURRENT TASK
		OSRdyTbl[y]&=~OSTCBCur->OSTCBBitX;
		if (OSRdyTbl[y]==0){
			OSRdyGrp&=~OSTCBCur->OSTCBBitY;
		 }
		 OSTCBCur->OSTCBDly=ticks;  //laod ticks in TCB
		 OS_EXIT_CRITICAL( );
		 OS_Sched( );
	   }
 }