6priority.c

结合三星的4510ARM处理器 和VXworks 操作系统,的几个源程序,有助于开发嵌入式系统和加深了解VXWorks操作系统

/*256个优先级，0-255，高-低，taskPrioritySet()*/
	

#include "vxWorks.h"
#include "taskLib.h"
#include "logLib.h"

void taskOne(void);
void taskTwo(void);
void taskThree(void);

#define ITER1 100
#define ITER2 1
#define LONG_TIME 1000000
#define HIGH 100
#define MID 101
#define LOW 102

void sched()
{

	printf("\n\n\n\n\n");


	if(taskSpawn("task1",LOW,0x100,20000,taskOne,0,0,0,0,0,0,0,0,0,0)==ERROR)
		printf("taskSpawn task1 failed\n ");
		
	if(taskSpawn("task2",MID,0x100,20000,taskTwo,0,0,0,0,0,0,0,0,0,0)==ERROR)
		printf("taskSpawn task2 failed\n ");
		
	if(taskSpawn("task3",HIGH,0x100,20000,taskThree,0,0,0,0,0,0,0,0,0,0)==ERROR)
		printf("taskSpawn task3 failed\n ");

}

void taskOne()
{
	int i,j;
	
	for(i=0;i<ITER1;i++)
	{
		for(j=0;j<ITER2;j++)
			logMsg("\n",0,0,0,0,0,0);
		for(j=0;j<LONG_TIME;j++);
			
			
	}
	
}

void taskTwo()
{
	int i,j;
	
	for(i=0;i<ITER1;i++)
	{
		for(j=0;j<ITER2;j++)
			logMsg("\n",0,0,0,0,0,0);
		for(j=0;j<LONG_TIME;j++);
			
			
	}	
	
}
void taskThree()
{
	int i,j;
	
	for(i=0;i<ITER1;i++)
	{
		for(j=0;j<ITER2;j++)
			logMsg("\n",0,0,0,0,0,0);
		for(j=0;j<LONG_TIME;j++);
			
			
	}	
	
}