LCD两行显示英文

2万 · 2017-6-16 18:43

# include <reg52.h>
# define uchar unsigned char
# define uint usigned int
char code display1[]={"  zhongguoliang "};
char code display2[]={"you are the best"};
sbit rs=P2^0;
sbit rw=P2^1;
sbit en=P2^2;
void delay(uchar x)
{
      uchar a,b;
      for(a=x;a>0;a--)
      for(b=110;b>0;b--);
}

void write_com(uchar date) //写指令
{
      en=0;
      rs=0;
      rw=0;

      P1=date;
      delay(5);
      en=1;

      delay(5);
      en=0;
      delay(5);
}
void write_date(uchar datea) //写数据
{
      en=0;
      rs=1;
      rw=0;
      P0=datea;
      delay(10);
      en=1;

      delay(5);
      en=0;
      delay(5);
}
void init()       //初始化函数
{
      en=0;
      write_com(0x38);
      delay(5);
      write_com(0x38);
      delay(5);
      write_com(0x0f);
      delay(5);
      write_com(0x06);
      delay(5);
      write_com(0x01);
      delay(5);
}
uchar num;
void main()
{
      //init();
      while(1)


      {       init();
            write_com(0x01);
            write_com(0x80);  //显示第一行
            for(num=0;num<16;num++)
            {
                     write_date(display1[num]);
                  delay(50);
            }
            write_com(0x80+0x40);
            for(num=0;num<16;num++)
            {
                     write_date(display2[num]);
                  delay(50);
            }
      }





}