1602.c

1602液晶驱动源程序

#include<reg52.h>
#define uint unsigned int;
#define uchar unsigned char;
uchar num;
uint x,y,z;
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;

void delay(uint z)
{
	uint x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);	
}
void init()
{
	dula=0;
	wela=0;
	lcden=0;
	write_com(0x38);
	write_com(0x0f);
	write_com(0x06);
	write_com(0x80);

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

}
void write_date(uchar date)
{
	lcdrs=1;
	P0=date;
	delay(5);
	lcden=1;
	delay(5);
	lcden=0;

}
void main()
{
	init();
	for(num=0;num<12;num++)
	{
		write_date(table[num]);
		delay(20);
	}
	write_com(0x80+0x40);//重新设置数据指针
	for(num=0;num<13;num++)
	{
		write_date(table1[num]);
		delay(300);
	}
	while(1);	
}