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 = P1^4;
sbit sh_cpA = P1^7;
sbit dsA = P1^6;

sbit st_cpB = P1^2;
sbit sh_cpB = P1^0;
sbit dsB = P1^1;

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 = 0;
    while(1)
    {
        //扫描显示
        for(i = 0; i < 8; i++)
        {
            sendMessageB(rows[i]);
            outputMessageB();
            sendMessageA(cols[i]);
            outputMessageA();
            //delay(5000);
        }    
    }    
}

void sendMessageA(uchar messageA)
{
    uchar i = 0;
    for(; i < 8; i ++)
    {
        sh_cpA = 0;
        dsA = messageA & 0x80;//先写入最高位
        messageA = messageA << 1;//左移移位
        sh_cpA = 1;
    }
}
void sendMessageB(uchar messageB)
{
    uchar i = 0;
    for(; i < 8; i ++)
    {
        sh_cpB = 0;
        dsB = messageB & 0x80;//先写入最高位
        messageB = messageB << 1;//左移移位
        sh_cpB = 1;
    }
}
void outputMessageA()
{
    st_cpA = 0;
    _nop_();
    st_cpA = 1;
}
void outputMessageB()
{
    st_cpB = 0;
    _nop_();
    st_cpB = 1;
}
//延时函数
void delay(uchar time_delay)
{
    uchar x,y;
    for(x = time_delay; x > 0; x --)
        for(y = time_delay; y > 0; y--)
        {}
}