/******單片機多任務(wù)模板******/

#include

#define TASK_NUM 2 //任務(wù)數(shù)量

#define FRE(x) 10000/x //定義頻率

unsigned char code s[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//數(shù)碼管0---9

unsigned int task_delay[TASK_NUM];//定義每個任務(wù)所需延時

unsigned int i=0;

void Init_Timer0(){

EA=1;

ET0=1;

TR0=1;

TMOD=0x02;

TH0=TL0=256-100; //12M晶振10000Hz

}

void task0(){ // 任務(wù)函數(shù)

P0=~P0;

}

void task1(){ // 任務(wù)函數(shù)

P1=~P1;

}

void main(){

Init_Timer0();

while(1){

if(task_delay[0]==0){task0();task_delay[0]=FRE(1);} // 掃描任務(wù)函數(shù)

if(task_delay[1]==0){task1();task_delay[1]=FRE(10);} // 掃描任務(wù)函數(shù)

}

}

void timer0()interrupt 1{

for(i=0;i

if(task_delay[i])

--task_delay[i];

}