非常简单的8*8LED点阵c51源代码

原文：http://www.51hei.com/mcu/698.html
http://www.eeworld.com.cn/mcu/2012/1124/article_11322.html

/* 实验目的：学会8*8点阵动态扫描方法.         */  
/* 实验现象：8*8点阵光柱先从0－9每隔一定的时间动态显示。  */  
/*【版权】Copyright(C)铁牛                All Rights Reserved    */  
/*【声明】此程序仅用于学习与参考，引用请注明版权和作者信息！*/  
/*********************************************************************************************/  
#include  
#include  
#define uchar unsigned char  
#define uint unsigned int  
uchar code row[] ={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//行扫描数组row0--row7.硬件定义为P1口。   
uchar code word[][8]={  
{0xC7,0xBB,0xBB,0xBB,0xBB,0xBB,0xBB,0xC7},//硬件定义为P0口。'0'   
{0xEF,0x8F,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF},//硬件定义为P0口。'1'  
{0xC7,0xBB,0xBB,0xF7,0xEF,0xDF,0xBF,0x83},//硬件定义为P0口。'2'  
{0xC7,0xBB,0xFB,0xC7,0xFB,0xFB,0xBB,0xC7},//硬件定义为P0口。'3'  
{0xE7,0xE7,0xD7,0xD7,0xB7,0x83,0xF7,0xF7},//硬件定义为P0口。'4'  
{0x83,0xBF,0xBF,0x87,0xFB,0xFB,0xBB,0xC7},//硬件定义为P0口。'5'  
{0xC7,0xBB,0xBF,0x87,0xBB,0xBB,0xBB,0xC7},//硬件定义为P0口。'6'  
{0x83,0xFB,0xF7,0xF7,0xF7,0xEF,0xEF,0xEF},//硬件定义为P0口。'7'  
{0xC7,0xBB,0xBB,0xC7,0xBB,0xBB,0xBB,0xC7},//硬件定义为P0口。'8'  
{0xC7,0xBB,0xBB,0xBB,0xC3,0xFB,0xBB,0xC7},//硬件定义为P0口。'9'  
  };

void display(uchar);  
void delay(uint x)  
{  
uint a,b;  
for(a=x;a>0;a--)  
for(b=100;b>0;b--);  
}

void main()  
{   
uint i=1000;  
uchar dis_num;  
dis_num=0;  
while(1)  
{  
for(i=100;i>0;i--)  
{  
if(dis_num==10)  
dis_num=0;  
display(dis_num);  
}  
dis_num++;  
}  
}  

void display(uchar word_num)  
{  
uchar i;  
for(i=0;i<8;i++)  
{  
P1=row;  
P0=word[word_num];  
delay(1);  
P1=0xff;  
P0=0xff;  
}  
}