两个8×8点阵滚动显示.c

基于Proteus的51系列单片机设计与仿真

/********************************************************************************
                   两个8×8点阵字符显示
			 8x8点阵滚动显示A T 8 9 C 5 1
********************************************************************************/
#include"reg51.h"
#define uint unsigned int
#define uchar unsigned char
code uchar tab1[]={                 //   显示的字符代码
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,   //  什么也不显示
 0x00,0x04,0x00,0x3C,0x03,0xC4,0x1C,0x40,
0x07,0x40,0x00,0xE4,0x00,0x1C,0x00,0x04,	//"A"
 0x18,0x00,0x10,0x00,0x10,0x04,0x1F,0xFC,
0x10,0x04,0x10,0x00,0x18,0x00,0x00,0x00,	//"T"
 0x00,0x00,0x0E,0x38,0x11,0x44,0x10,0x84,
0x10,0x84,0x11,0x44,0x0E,0x38,0x00,0x00,	//"8"
 0x00,0x00,0x07,0x00,0x08,0x8C,0x10,0x44,
0x10,0x44,0x08,0x88,0x07,0xF0,0x00,0x00,	//"9"
 0x03,0xE0,0x0C,0x18,0x10,0x04,0x10,0x04,
0x10,0x04,0x10,0x08,0x1C,0x10,0x00,0x00,	//"C"
 0x00,0x00,0x1F,0x98,0x10,0x84,0x11,0x04,
0x11,0x04,0x10,0x88,0x10,0x70,0x00,0x00,	//"5"
 0x00,0x00,0x08,0x04,0x08,0x04,0x1F,0xFC,
0x00,0x04,0x00,0x04,0x00,0x00,0x00,0x00,	//"1"
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,};    // 什么也不显示
const uchar tab2[]={0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
					0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f};// 扫描代码	
void delay(uint n)          //延时函数
{   uint i;
         for(i=0;i<n;i++);
}
void main(void)
{     
	char j=0,r,q=0,t=0;
	P0=0x00;
	P3=0x00;
	while(1)
	{	for(r=0;r<5;r++)               //控制每一个字符显示的时间
	   		for(j=q;j<16+q;j++)
	    	
				  {  if(t%2==0)
		   				{
							P1=tab2[t];
           					P0=tab1[j];
                    		delay(225);
						}                 
     				else
                    	{	P1=tab2[t];
           		  			P3=tab1[j];
							delay(225);
						}
					t++;
           			if(t==16)
       	    			t=0;
				}
	     q=q+2;         // 显示下一个字符
		 if(q==112)
		 	q=0;
    }    
}