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- #include<stc12c2052ad.h>//定义头文件 51单片机就用#include<at89c51.h>
- sbit d1=P1^7;、、 //定义LED灯1
- sbit d2=P1^6; //定义LED灯2
- sbit key1=P3^0; //定义按键灯
- void delay(unsigned int a){ //延时程序
- unsigned int i;
- while( a-- != 0){
- for(i = 0; i < 100; i++);
- }
- }
- void main(){
- while(1){
- unsigned int a,b,c,d;
- if(key1==0)d++; //按键判断
- switch(d) //按键信息比较
- {
- case 1: b=9;;a=1;break;
- case 2: b=8;;a=2;break;
- case 3: b=7;;a=3;break;
- case 4: b=6;;a=4;break;
- case 5: b=5;;a=5;break;
- case 6: b=4;;a=6;break;
- case 7: b=3;;a=7;break;
- case 8: b=2;;a=8;break;
- case 9: b=1;;a=9;break;
- }
- while(key1==0); 判//判断按键是否松开
- if(d==10)d=0; //按键9种亮度判断,是否是第9种,如果是,则d=0
- for(c=0;c<2;c++){ //亮度模式循环显示
- d1=0;
- d2=1;
- delay(a);
- d1=1;
- d2=0;
- delay(b);
- }
- }
- }
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