lcd2.c

用51单片机控制、驱动1602液晶显示字符程序

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="I LIKE YOU";
uchar code table1[]="LIZENGJIA";
sbit lcden=P3^4;
sbit lcdrs=P3^5;
//sbit lcdrw=P2^6;
uchar num;

void delay(uint);

void write_com(uchar com)
{
    //lcdrw=0;
	lcdrs=0;
	P0=com;
	delay(5);
	lcden=1;
	delay(5);
	lcden=0;
}

void write_data(uchar date)
{
    //lcdrw=0;
	lcdrs=1;	
	P0=date;
	delay(5);
	lcden=1;
	delay(5);
	lcden=0;
}
void init()
{
    //lcdrw=0;
	lcden=0;
	write_com(0x38);
	write_com(0x0e);
	write_com(0x06);
	write_com(0x01);
	write_com(0x80+0x10);
}
void main()
{
    //lcdrw=0;
	init();
	for(num=0;num<11;num++)
	{
		write_data(table[num]);
		delay(20);
	}
	//write_com(1);
	write_com(0x80+0x53);
	for(num=0;num<13;num++)
	{
		write_data(table1[num]);
		delay(20);
	}
	for(num=0;num<16;num++)
	{
		write_com(0x18);
		delay(200);
	}
	while(1);
    delay(1000);

}



void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=200;y>0;y--);
}