lcd.c

单片机控制lcd显示

#include<reg52.h>
#include<string.h>
#define uchar unsigned char
#define uint unsigned int 
sbit rs=P1^0;
sbit rw=P1^1;
sbit lcden=P1^2;
uchar table[]="I LOVE YOU!";
uchar table1[]="I HATE YOU!";

void delay(uint z)
{
	uchar x;
	for(x=120;x>0;x--)
		for(;z>0;z--);
}
void write_com(uchar command)
{
	lcden=0;
	rs=0;
	rw=0;
	P0=command;
	lcden=1;
	delay(1);
	lcden=0;
	
}
void write_data(uchar date)
{
	lcden=0;
	rs=1;
	rw=0;
	P0=date;
	lcden=1;
	delay(1);
	lcden=0;
}

void init()
{
	write_com(0x38);
	write_com(0x0e);
	write_com(0x06);
}

void main()
{
	uchar i;
	init();

kai:write_com(0x80+0x10);
	for(i=0;i<strlen(table);i++)
	{
		write_data(table[i]);
//	delay(200);
	}
	write_com(0x80+0x50);
	for(i=0;i<strlen(table1);i++)
	{
		write_data(table1[i]);
	}
		for(i=0;i<16;i++)
	{
		write_com(0x18);
		delay(40000);
		if(i==15)
		{
//			write_com(1);
			write_com(2);
			goto kai;

		}
	}
	
	while(1);
}