lcd1602.h

来自「ADC0832程序完整版」· C头文件 代码 · 共 50 行

#ifndef LCD1602_H
#define LCD1602_H

#define LCD1602 P0

sbit LCD_RS = P3^5;
sbit LCD_RW = P3^6;
sbit LCD_EN = P3^4;

#define LCD_RS_0 LCD_RS=0
#define LCD_RS_1 LCD_RS=1
#define LCD_RW_0 LCD_RW=0
#define LCD_RW_1 LCD_RW=1
#define LCD_EN_0 LCD_EN=0
#define LCD_EN_1 LCD_EN=1

#include "delay.h"

#define DELAY_1602 delayms(5)

void write1602_com(unsigned char com)
{
	LCD_RS_0;
	LCD1602 = com;
	DELAY_1602;
	LCD_EN_1;
	DELAY_1602;
	LCD_EN_0;
}

void write1602_dat(unsigned char dat)
{
	LCD_RS_1;
	LCD1602 = dat;
	DELAY_1602;
	LCD_EN_1;
	DELAY_1602;
	LCD_EN_0;
}

void init1602( void )
{
	LCD_RW_0;
	write1602_com(0x38);
	write1602_com(0x0C);
	write1602_com(0x06);
	write1602_com(0x01);
}

#endif