lcd.c

来自「KEIL c应用」· C语言 代码 · 共 54 行

#include<reg51.h>
#include"lcd.h"
#define uchar unsigned char
#define uint unsigned int
sbit rs=P3^5;
sbit lcden=P3^4;


void delay(uint x)
{
	uint a,b;
	for(a=x;a>0;a--)
		for(b=10;b>0;b--); 
}



void write_com(uchar com)
{
	P1=com;
	rs=0;
	lcden=0;
	delay(10);
	lcden=1;
	delay(10);
	lcden=0;
	
}

void write_date(uchar date)
{
	P1=date;
	rs=1;
	lcden=0;
	delay(10);
	lcden=1;
	delay(10);
	lcden=0;
	
}

void init()
{
	
	write_com(0x38);
	delay(20);
	write_com(0x0f);
	delay(20);
	write_com(0x06);
	delay(20);
	write_com(0x01);
	delay(20);	
}