ex2.c

基于51单片机的16*16点阵

#include <reg51.h>

sbit Ddat=P3^0;    //点阵数据
sbit Dclk=P3^1;    //数据时钟
sbit Dlat=P1^6;    //数据锁存
sbit Res=P1^5;     //总清除
sbit G1=P1^7;      //154 G1
unsigned char yd;
#define H_add P1    //154 IN

unsigned char code word[]=
{
/*------------------------------------------------------------------------------
;  源文件 / 文字 : 福如东海
;  宽×高（像素）: 64×16
;  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/128字节
;  数据转换日期  : 2006-10-14 20:04:12
------------------------------------------------------------------------------*/

0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xCF,
0xE4,0x00,0xFF,0xFF,0xE0,0x73,0xE7,0xCF,0xF3,0xF9,0xFF,0xF3,0xC3,0x13,0xE7,0xC9,
0xF3,0xF9,0xC0,0x01,0xF0,0x83,0xE1,0x00,0x80,0x09,0xFE,0x7F,0x80,0x73,0x00,0xC3,
0xC4,0xC9,0xFE,0x7F,0xE3,0x33,0xE0,0x01,0xE4,0xC9,0xFE,0x7F,0xE0,0x93,0xE6,0x73,
0xE4,0xC9,0xFE,0x7F,0xC0,0x90,0x87,0x23,0x0C,0x09,0xFE,0x7F,0xC3,0x81,0x87,0x27,
0xCC,0xC9,0xFE,0x7F,0x92,0x33,0xE7,0x8F,0xCC,0xF9,0xFE,0x71,0xF3,0xF3,0xE7,0x87,
0xCF,0xC1,0x80,0x00,0xF3,0xF3,0x86,0x20,0xCF,0xF1,0xFF,0xFF,0xF3,0xF3,0xC0,0xF9,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
//**********************************************************************
delay()
{
 unsigned char p;
 for(p=0;p<100;p++);
}
//**锁存数据*********************************************************** 
Lock()
{
  Dlat=1;              //锁存
  Dlat=0;  
}
//**主程序*************************************************************
void main()
{
 unsigned char Ladd,Hadd,i;
 SCON=0x00;
 while(1)
   {
    for(Hadd=0;Hadd<16;Hadd++)  //行扫描16行
      {
       H_add=0x0f-Hadd;
       Res=1;
       G1=1;
       for(Ladd=0;Ladd<8;Ladd++)  //列扫描，每列8字节
         {
          i=0x7f-(Hadd*8+Ladd);
          SBUF=word[i];
          while(TI==0);
          TI=0;
         }
       Lock();  //每列锁存一次
       G1=0;
       delay(); //延时
      }
   }
}