8个流水灯 亮灯 从1到8再从8到1

 1 #include "reg52.h"
 2
 3 unsigned int x;//数组下标
 4
 5 unsigned char LED_1[]={0XFE,0XFD,0XFB,0XF7,
 6 0XEF,0XDF,0XBF,0X7F,0XFF};//从1号灯->8号灯
 7
 8 unsigned char LED_2[]={0X7F,0XBF,0XDF,0XEF,
 9 0XF7,0XFB,0XFD,0XFE,0XFF};//从8号灯->1号灯
10
11 //简单的延时器
12 void delay(unsigned int cnt)
13 {
14     while(--cnt);
15 }
16
17 void main(void)
18 {
19         //从1号灯->8号灯，每次亮1个灯
20         for(x=0;x<=8;x++)
21         {
22             P1=LED_1[x];
23             delay(35000);
24         }
25         //从8号灯->1号灯，每次亮1个灯
26         for(x=0;x<=8;x++)
27         {
28             P1=LED_2[x];
29             delay(35000);
30         }
31
32         //全部灯 亮3下 灭3下
33         for(x=0;x<3;x++)
34         {
35             delay(30000);
36             P1=0X0;//全亮
37             delay(30000);
38             P1=0XFF;//全灭
39         }
40
41 }