lcd_my.c

此程序是基于c8051f020单片机的c语言程序

#include <c8051f020.h>
#include <Initial.h>
void write_command(uchar com)  //写指令的函数
{
    P4=0x00;
	delay(1);						   //写指令 RS=0
	P4=0x04;
	P5=com;	//送数据
	delay(1);
	P4=0x00;
}

void write_data(uchar date)	//写数据的函数
{	
    P4=0x01;
	delay(1);						   //写指令 RS=0
	P4=0x05;
    P5=date;	//送数据
	delay(1);
	P4=0x00;
}

void  Lcdinitial ()   //液晶初始化程序
{
	write_command(0x38);
	delay(2);
	write_command(0x0c);
	delay(2);
	write_command(0x06); //数据指针加1
	delay(2);
	write_command(0x01);
	delay(2);
	write_command(0x80);
	delay(2);
}