demo2.c

UCOS2在51上的移植源码V1.1。学习UCOS的代码

#include <includes.h>

void TaskStartyya(void *yydata) reentrant;

OS_STK TaskStartStkyya1[MaxStkSize];//注意：我在ASM文件中设置?STACK空间为40H即64。
OS_STK TaskStartStkyya2[MaxStkSize];//任务2的
OS_STK TaskStartStkyya3[MaxStkSize];//任务3的


void main(void)
{
    unsigned char a1=2;
    unsigned char b1=3;
    unsigned char c1=4;

    
    OSInit();
    
    InitTimer0();
    InitSerial();
    InitSerialBuffer();
    
    OSTaskCreate(TaskStartyya, (void *)&a1, &TaskStartStkyya1[0],2);
    OSTaskCreate(TaskStartyya, (void *)&b1, &TaskStartStkyya2[0],3);
    OSTaskCreate(TaskStartyya, (void *)&c1, &TaskStartStkyya3[0],4);    
    OSStart();    
}


void TaskStartyya(void *yydata) reentrant
{
    unsigned char a;
	unsigned char x,y,z;

    a=*(unsigned char *)yydata;
	x=a;
    y=4*a;
    z=6*a;
        
    for(;;){
    	
	    PrintStr("a=");PrintByte(a);
		PrintStr(" x=");PrintByte(x);
        PrintStr(" y=");PrintByte(y);
        PrintStr(" z=");PrintByte(z);
        PrintStr("\tAAAAAA111111 is active.\n");

        OSTimeDly(6*OS_TICKS_PER_SEC);    
    }    
}