protues仿真 51点亮点阵

电路图

matrix

程序

 1 /*==============================
 2     点亮点阵心形
 3 ================================*/
 4 #include <REGX51.H>
 5 #include <intrins.h>
 6 
 7 #define uchar unsigned char
 8 #define uint unsigned int
 9 
10 sbit st_cpA = P1^4;
11 sbit sh_cpA = P1^7;
12 sbit dsA = P1^6;
13 
14 sbit st_cpB = P1^2;
15 sbit sh_cpB = P1^0;
16 sbit dsB = P1^1;
17 
18 void sendMessageA(uchar messageA);//发送一个字节到移位寄存器中    列
19 void outputMessageA();//输出到存储寄存器中
20 void sendMessageB(uchar messageB);                                  //行
21 void outputMessageB();
22 void delay(uchar time_delay);
23 
24 uchar code rows[] = { 0x01, 0x02, 0x04, 0x08,
25                       0x10, 0x20, 0x40, 0x80};
26 uchar code cols[] = { 0xc9, 0xb6, 0xbe, 0xdd,
27                       0xeb, 0xf7, 0xff, 0xff}; 
28 void main()
29 {     
30     uchar i = 0;
31     while(1)
32     {
33         //扫描显示
34         for(i = 0; i < 8; i++)
35         {
36             sendMessageB(rows[i]);
37             outputMessageB();
38             sendMessageA(cols[i]);
39             outputMessageA();
40             //delay(5000);
41         }    
42     }    
43 }
44 
45 void sendMessageA(uchar messageA)
46 {
47     uchar i = 0;
48     for(; i < 8; i ++)
49     {
50         sh_cpA = 0;
51         dsA = messageA & 0x80;//先写入最高位
52         messageA = messageA << 1;//左移移位
53         sh_cpA = 1;
54     }
55 }
56 void sendMessageB(uchar messageB)
57 {
58     uchar i = 0;
59     for(; i < 8; i ++)
60     {
61         sh_cpB = 0;
62         dsB = messageB & 0x80;//先写入最高位
63         messageB = messageB << 1;//左移移位
64         sh_cpB = 1;
65     }
66 }
67 void outputMessageA()
68 {
69     st_cpA = 0;
70     _nop_();
71     st_cpA = 1;
72 }
73 void outputMessageB()
74 {
75     st_cpB = 0;
76     _nop_();
77     st_cpB = 1;
78 }
79 //延时函数
80 void delay(uchar time_delay)
81 {
82     uchar x,y;
83     for(x = time_delay; x > 0; x --)
84         for(y = time_delay; y > 0; y--)
85         {}
86 }
posted @ 2013-11-18 20:41  逐梦蜗牛  阅读(682)  评论(0)    收藏  举报