应用介绍

点阵程序

#include<AT89X52.H>

sbit ST=P3^5;

sbit E1=P3^4;

sbit MR=P3^7;

char cashe[12];

char code wd[12][16]={

{0xFF,0xC0,0xFE,0xFE,0xFE,0xFE,0x80,0xFE,0xFD,0xFD,0xFB,0xF7,0xEF,0xDF,0x3F,0xFF},

{0xFF,0x03,0xFF,0xFF,0xFF,0xFF,0x01,0x7F,0x7F,0x7F,0x7F,0x7F,0x7D,0x7D,0x81,0xFF},/*"无",0*/

/* (16 X 16 , 宋体 )*/

{0xDF,0xDF,0xDF,0xCF,0x57,0x58,0x5F,0xDF,0xDE,0xDE,0xDE,0xDD,0xDD,0xDB,0xDB,0xD7},

{0x7F,0x6F,0x73,0x77,0x7F,0x01,0x5F,0x5F,0xDF,0xDF,0xDF,0xDF,0xDD,0xDD,0xE1,0xFF},/*"忧",1*/

/* (16 X 16 , 宋体 )*/

{0xFE,0xFE,0xFE,0xC0,0xDE,0xDE,0xC0,0xDE,0xDE,0xDE,0xC0,0xDE,0xFE,0xFE,0xFF,0xFF},

{0xFF,0xFF,0xFF,0x07,0xF7,0xF7,0x07,0xF7,0xF7,0xF7,0x07,0xF7,0xFD,0xFD,0x01,0xFF},/*"电",2*/

/* (16 X 16 , 宋体 )*/

{0xFF,0xC0,0xFF,0xFF,0xFF,0xFE,0xFE,0xFE,0x00,0xFE,0xFE,0xFE,0xFE,0xFE,0xFA,0xFD},

{0xFF,0x0F,0xDF,0xBF,0x7F,0xFF,0xFF,0xFB,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*"子",3*/

/* (16 X 16 , 宋体 )*/

{0xFF,0x83,0xBB,0xAB,0xAA,0xAA,0xA9,0xAB,0xAB,0xAA,0xEE,0xD7,0xDB,0xBB,0x7F,0xFF},

{0x7F,0x3F,0x7F,0x01,0xFD,0xFD,0xBD,0xBD,0x5D,0xED,0x05,0xED,0xFD,0xFD,0xEB,0xF7},/*"购",4*/

/* (16 X 16 , 宋体 )*/

{0xEF,0xEF,0xAF,0xAE,0x82,0xAD,0x6B,0xEB,0xE6,0xCD,0x2B,0xEF,0xEE,0xED,0xEB,0xFF},

{0x7F,0x7F,0x7F,0x03,0xAB,0xAB,0x6B,0x6B,0xDB,0xDB,0xBB,0x7B,0xFB,0xFB,0xD7,0xEF},/*"物",5*/

/* (16 X 16 , 宋体 )*/

};

void del(int i)//============================//延时程序

{while(i--);}

aline() ////=======================发送一行的显示程序

{

char i=0;

TI=0;

for(i=0;i<12;i++)

{SBUF=cashe[i];while(~TI);TI=0;} //将缓存中的信息转存入595的存储器中，到此不显示

}

main()

{

int m=0,n=0;

TI=0;

SM0=0;

SM1=0;

E1=0;

while(1)

for(m=0;m<16;m++)      //共有16行  循环16次显示这16行  串行的595送出行的数据

{ //由74hc154选中要显示的行

for(n=0;n<12;n++)         //这个for循环用来向缓存数组中装载要显示的内容

{cashe[11-n]=wd[n][m];}  //将第m个字的第n行信息装载  ，因为595串接 数据第一个进去的会在最后一个595中，最后进去的会在第一个595中

    aline();     //将缓存中的一行信息载入595缓存中

ST=0;ST=1; //595产生上升沿 输出595锁存的数据

P2=m;  //选中要显示的行输出数据

del(100);//延时一段时间，以造成视觉暂存效应

  }

}