GrayAngel

 1 //ProjeceName:TwoLed
 2 //write by:cyt
 3 //Time:2017-2-10
 4 #include<AT89X51.h>
 5 
 6 void main()
 7 {
 8     unsigned int a=0;
 9     unsigned char b=0;
10     do{
11         for(a=0;a<50000;a++)
12             P1_0 = 0;
13             P1_0 = 1;
14         for(b=0;b<200;b++)
15             P1_1 = 0;
16             P1_1 = 1;
17         for(a=0;a<30000;a++)
18             ;
19         }while(1);
20 }