protues仿真 51点亮点阵

电路图

程序

 /*==============================
     点亮点阵心形
 ================================*/
 #include <REGX51.H>
 #include <intrins.h>

 #define uchar unsigned char
 #define uint unsigned int

 sbit st_cpA = P1^;
 sbit sh_cpA = P1^;
 sbit dsA = P1^;

 sbit st_cpB = P1^;
 sbit sh_cpB = P1^;
 sbit dsB = P1^;

 void sendMessageA(uchar messageA);//发送一个字节到移位寄存器中    列
 void outputMessageA();//输出到存储寄存器中
 void sendMessageB(uchar messageB);                                  //行
 void outputMessageB();
 void delay(uchar time_delay);

 uchar code rows[] = { 0x01, 0x02, 0x04, 0x08,
                       0x10, 0x20, 0x40, 0x80};
 uchar code cols[] = { 0xc9, 0xb6, 0xbe, 0xdd,
                       0xeb, 0xf7, 0xff, 0xff};
 void main()
 {
     uchar i = ;
     while()
     {
         //扫描显示
         for(i = ; i < ; i++)
         {
             sendMessageB(rows[i]);
             outputMessageB();
             sendMessageA(cols[i]);
             outputMessageA();
             //delay(5000);
         }
     }
 }

 void sendMessageA(uchar messageA)
 {
     uchar i = ;
     for(; i < ; i ++)
     {
         sh_cpA = ;
         dsA = messageA & 0x80;//先写入最高位
         messageA = messageA << ;//左移移位
         sh_cpA = ;
     }
 }
 void sendMessageB(uchar messageB)
 {
     uchar i = ;
     for(; i < ; i ++)
     {
         sh_cpB = ;
         dsB = messageB & 0x80;//先写入最高位
         messageB = messageB << ;//左移移位
         sh_cpB = ;
     }
 }
 void outputMessageA()
 {
     st_cpA = ;
     _nop_();
     st_cpA = ;
 }
 void outputMessageB()
 {
     st_cpB = ;
     _nop_();
     st_cpB = ;
 }
 //延时函数
 void delay(uchar time_delay)
 {
     uchar x,y;
     for(x = time_delay; x > ; x --)
         for(y = time_delay; y > ; y--)
         {}
 }