yy.c

Keil C51的UCOS-2操作系统源代码

#include <includes.h>

void TaskStartyya(void *yydata) reentrant;

OS_STK TaskStartStkyya[MaxStkSize];//注意：我在ASM文件中设置?STACK空间为40H即64。

void main(void)
{
    OSInit();
    
    InitTimer0();
    InitSerial();
    InitSerialBuffer();
    
    OSTaskCreate(TaskStartyya, (void *)0, &TaskStartStkyya[0],2);
    OSTaskCreate(TaskStartyya, (void *)0, &TaskStartStkyya[0],3);
    OSTaskCreate(TaskStartyya, (void *)0, &TaskStartStkyya[0],4);    
    OSStart();
}


void TaskStartyya(void *yydata) reentrant
{
	unsigned char a,b,c,d,e,f;
	a=1;b=3;c=5;
	d=a+1;e=b+1;f=c+1;


    yydata=yydata;
    clrscr();
    PrintStr("\n\t\t*******************************\n");
    PrintStr("\t\t*     Hello! The world.       *\n");
    PrintStr("\t\t*******************************\n\n\n");
    
    for(;;){
        PrintStr("\tAAAAAA111111 is active.\n");
		PrintStr("\na=");PrintByte(a);
		PrintStr(" b=");PrintByte(b);
	    PrintStr(" c=");PrintByte(c);
		PrintStr(" d=");PrintByte(d);
		PrintStr(" e=");PrintByte(e);
		PrintStr(" f=");PrintByte(f);PrintStr("\n");
        OSTimeDly(OS_TICKS_PER_SEC);    
    }    
}