Question

用单片机控制的16x16点阵LED循环显示“北京欢迎你”，这个程序用C语言该怎么写

Answer 1

这个图片会压小。看大图到这看

http://0e.images22.51img1.com/6000/kgd235143/e4be871c454f0c1d6f7f46b964dacee7.jpg

要仿真的话我发给你，当然实际电路要三极管驱动

#include <reg52.h>

#define uchar unsigned char

uchar i,j,k=15;

sbit  xsi=P2^0;

sbit  xrck=P2^1; 

sbit  xsck=P2^2;

sbit  ysi=P2^3;

sbit  yrck=P2^4; 

sbit  ysck=P2^5;

sbit kg= P3^2;

uchar code zbm[][32]={

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,},

{0xFF,0xFF,0xFF,0xF7,0xBF,0xF7,0xBF,0xFB,0xBF,0xFD,0x03,0xE0,0xFF,0xFF,0xFF,0xFF,

0x01,0xF0,0x7F,0xEF,0xBF,0xEF,0x9F,0xEF,0xDF,0xEF,0xFF,0xF1,0xFF,0xFF,0xFF,0xFF},/*"北",0*/

{0xF7,0xFF,0xF7,0xFF,0xF7,0xEF,0xF7,0xF3,0x37,0xFF,0xB7,0xFE,0xB6,0xDE,0xD5,0x80,

0xDB,0xFE,0x5B,0xFF,0x9B,0xFB,0xFB,0xF7,0xFB,0xE7,0xFB,0xFF,0xFF,0xFF,0xFF,0xFF},/*"京",1*/

{0xFF,0xEF,0x5F,0xF7,0xDF,0xFA,0xEF,0xFD,0x0F,0xFA,0xFF,0xDF,0xBF,0xEF,0xC7,0xF3,

0x58,0xFC,0xEF,0xFB,0xAF,0xF7,0xCF,0xEF,0xEF,0xCF,0xFF,0xDF,0xFF,0xDF,0xFF,0xFF},/*"欢",2*/

{0xBF,0xF7,0xBF,0xF7,0xBB,0xF6,0x37,0xF1,0xFF,0xF7,0x07,0xF6,0xF7,0xF6,0x7B,0xF7,

0xF9,0xEF,0x0F,0xE8,0xF7,0xEF,0x77,0xCF,0x07,0xCF,0xFF,0xEF,0xFF,0xEF,0xFF,0xFF},/*"迎",3*/

{0xFF,0xFE,0x7F,0xFF,0xBF,0xFF,0x0F,0xC0,0xF1,0xFF,0xFF,0xF7,0xBF,0xF9,0xCF,0xEF,

0xD1,0xDF,0x5F,0xC0,0xEF,0xFF,0xAF,0xFD,0xCF,0xFB,0xFF,0xF3,0xFF,0xFF,0xFF,0xFF},/*"你",4*/

0x87,0xFF,0x03,0xFF,0x01,0xFE,0x00,0xF8,0x01,0xF0,0x01,0xE0,0x03,0x80,0x07,0x00,

0x07,0x00,0x03,0x80,0x01,0xE0,0x01,0xF0,0x00,0xF8,0x01,0xFE,0x03,0xFF,0x87,0xFF,/*"心",5*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,},

};

uchar code zbm1[][16]={

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,},

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0xC0,0x6F,0xDB,0x63,0xEB,0x6C,0xEB},

{0xEF,0xEF,0xEF,0xDF,0x0F,0x80,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*"自",0*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3B,0xF0,0xBB,0xEF,0xBB,0xEF,0xBB,0xEF,0xDD,0xEF},

{0xCD,0xEF,0xF1,0xEF,0xFF,0xEF,0xFF,0xEF,0xFF,0xEF,0xFF,0xF1,0xFF,0xFF,0xFF,0xFF},/*"己",1*/

{0x7F,0xFF,0xBF,0xFF,0x0F,0xC0,0xD1,0xFF,0xDF,0xF1,0x01,0xF6,0xEF,0xF6,0xEF,0xE8},

{0x3F,0xF7,0xCF,0xFA,0xD1,0xFD,0x1F,0xFA,0xEF,0xE7,0xEF,0xEF,0xFF,0xEF,0xFF,0xFF},/*"做",2*/

{0xFF,0xFF,0x3F,0xF8,0x9F,0xE6,0xAF,0xF6,0xD3,0xF7,0x1F,0xE0,0x7F,0xFF,0xBF,0xFF},

{0x5F,0xFF,0xC7,0xFC,0xD9,0xEF,0xEF,0xDF,0x0F,0xE0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*"的",3*/

{0xFF,0xFF,0x3F,0xCF,0x3F,0xEF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*":",4*/

{0xF7,0xDF,0x07,0xC0,0xF7,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xCF,0xFF,0xFF},/*"L",0*/

{0xF7,0xDF,0x07,0xC0,0x77,0xDF,0x77,0xDF,0x17,0xDC,0xF7,0xDF,0xEF,0xE7,0xFF,0xFF},/*"E",1*/

{0xF7,0xDF,0x07,0xC0,0xF7,0xDF,0xF7,0xDF,0xF7,0xDF,0xEF,0xEF,0x1F,0xF0,0xFF,0xFF},/*"D",2*/

{0xFF,0xDF,0xFF,0xE7,0xFF,0xFF,0xFF,0xFF,0x7F,0xF4,0x7F,0xED,0x81,0xFD,0xB7,0xFD},

{0xB7,0xF5,0xBB,0xED,0x3B,0xFE,0xFF,0xF7,0xFF,0xEF,0xFF,0xCF,0xFF,0xFF,0xFF,0xFF},/*"点",3*/

{0xFF,0xFF,0x03,0xE0,0xBB,0xFF,0x6D,0xFF,0x11,0xFB,0xFF,0xFB,0x37,0xFB,0x57,0xFB},

{0x67,0xFB,0x19,0x80,0xBB,0xFD,0xBB,0xFD,0xBF,0xFD,0xFF,0xFD,0xFF,0xFD,0xFF,0xFF},/*"阵",4*/

{0xFF,0xEF,0xFF,0xF7,0xFF,0xF9,0x7F,0xFE,0x81,0xBD,0x75,0xDD,0x65,0xE5,0x55,0xF8},

{0xB6,0xFD,0x9A,0xFD,0x28,0x80,0xBC,0xFE,0xBF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFF},/*"屏",5*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,},

};

void ys (uchar a) //延时

{

uchar b;

for (;a>0;a--)

for (b=100;b>0;b--) ;

}

void yfs() //Y轴发数

{

ysck=0;

yrck=0;

k++;

if (k==16)

 {

k=0;

ysi=0;

 }

 else

ysi=1;

ysck=1;

yrck=1;

}

void xfs(uchar a)   //X轴发数

{

uchar b,a1,a2;

a1=~zbm[6][a*2+1];

a2=~zbm[6][a*2];

xsck=0;

xrck=0;

for (b=0;b<8;b++)

{

a1=a1<<1;

xsi=CY;

xsck=1;

xsck=0;

}

for (b=0;b<8;b++)

{

a2=a2<<1;

xsi=CY;

xsck=1;

xsck=0;

}

xrck=1;

}  

void  fs(uchar a)      //X轴发数

{

uchar b;

xsck=0;

xrck=0;

for (b=0;b<8;b++)

{

a=a<<1;

xsi=CY;

xsck=1;

xsck=0;

}

xrck=1;

}

void gdhs(uchar *zz,uchar N,uchar Time) //流动显示N个汉字    滚动函数

{ //参数三个：字符串字模首地址、字数、显示流动速度 

uchar FontNum,i,j,row; //循环变量，字数计数、16次流动、16列扫描 

for(FontNum=0;FontNum<N;FontNum++) 

{ 

for(i=0;i<16;i++) //字到字流动 16次左移才能完成 

{ 

for(j=0;j<Time;j++) //显示延迟，决定流动速度 

{ 

k=15;

for(row=0;row<16;row++) //显示16*16屏幕一次 

{ 

yfs(); //选通显示列  //行选线，P3 低四位 

fs (~*(zz+FontNum*32+(i+row)*2+1)); //以移动偏移为基础获取新数据 

fs(~*(zz+FontNum*32+(i+row)*2)); //获取显示数据 循环显示关键算法 

ys (12); //适当延时 

} 

} 

} 

} 

}

void wbzd ()  interrupt   0   //外部中断

{

  j++;

  if (j>1)

  j=0;

  ys(10);

  while (!kg)

  {

   k=15;

  for (i=0;i<16;i++)

  {

   yfs();

   xfs(i);

ys(10);

   }

  }

if (j==0)

   gdhs(zbm,8,2);

if (j==1)

gdhs(zbm1,10,1);

}

void main ()

{

EA = 1; //打开总中断 

EX0=1;

IT0=1;

while (1)

{

     if (j==0)

   gdhs(zbm,8,5);

  if (j==1)

     gdhs(zbm1,10,3);

}

}