lesson.c

我是个初学者,因此传的程序可能过于简单,这个文件主要就是在1602液晶屏上显示动态两行字符

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit lcden=P3^2;
sbit rs=P3^0;
sbit rw=P3^1;
uchar num;
uchar code table[]=	"I LIKE MCU!";
uchar code table1[]="WWW.SANSONIC.COM" ;
void delay (uint z);

void  write_com(uchar com)
{
 rs=0;
 rw=0;
 P0=com;
 delay(5);
 lcden=1;
 delay(5);
 lcden=0;
}

void  write_date(uchar date)
{
 rs=1; 
 rw=0;
 P0=date; //将DATA数给P0口
 delay(5);
 lcden=1;  //在LCDEN跳变瞬间将数据读入
 delay(5);
 lcden=0;
}

void init()
{
 lcden=0;
 write_com(0x01);
 write_com(0x38);
 write_com(0x0f);
 write_com(0x80+0x10);

}

main()
{
 init();
 for (num=0;num<11;num++)
 {
  write_date(table[num]);
  delay(20);
  }
 // write_com(0x01); //清屏指令，第一行显示后马上消失
  write_com(0x80+0x50);	  //写数据位置
  for (num=0;num<16;num++)
 {
  write_date(table1[num]);
  delay(20);
  }

  for(num=0;num<16;num++)  // 向左移16格
  {
    write_com(0x18);  //左移指令
	delay(300);
	}
 while(1);
}




void delay (uint z)
{
 uint x,y;
 for(x=z;x>0;x--)
   for(y=100;y>0;y--);
}