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標題: 單片機1602顯示程序 [打印本頁]

作者: 烈飛 時間: 2016-11-23 11:02
標題: 單片機1602顯示程序
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="  I LOVE YOU!";
uchar code table1[]="  我愛單片機";
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
void delay(uint z)
{
      uint x,y;
      for(x=z;x>0;x--)
            for(y=110;y>0;y--);
}
void write_com(uchar com)
{
      lcdrs=0;
      P0=com;
      delay(5);
      lcden=1;
      delay(5);
      lcden=0;
}
void write_data(uchar date)
{
      lcdrs=1;
      P0=date;
      delay(5);
      lcden=1;
      delay(5);
      lcden=0;
}
void init()
{
      dula=0;
      wela=0;
      lcden=0;
      write_com(0x38);
      write_com(0x0f);
      write_com(0x06);
      write_com(0x01);
}
void main()
{
      init();
      write_com(0x82);
      for(num=0;num<11;num++)
      {
            write_data(table[num]);
            delay(5);
      }
      write_com(0x80+0x41);
      for(num=0;num<13;num++)
      {
            write_data(table1[num]);
            delay(5);
      }
      while(1);
}

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