液晶显示.c

来自「51单片机入门级资料。流水灯」· C语言 代码 · 共 78 行

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit rs=P3^5;
sbit e=P3^4;
sbit duan=P2^6;
sbit wei=P2^7;
uchar table[]={"wudunwei"};
uchar table2[]={"13416199906"};
uint i;
void delay(uint x)
{
	uint a,b;
	for(a=x;a>0;a--)
		for(b=100;b>0;b--);
}



void write_point(uchar point)
{
	P0=point;
	rs=0;
	e=0;
	delay(20);
	e=1;
	delay(20);
	e=0;
		
}

void write_date(uchar date)
{
	P0=date;
	rs=1;
	e=0;
	delay(20);
	e=1;
	delay(20);
	e=0;
}

void init()
{
	duan=1;
	duan=0;
	P0=0xff;
	wei=1;
	wei=0;
	write_point(0x38);
	delay(20);
	write_point(0x0f);
	delay(20);
	write_point(0x06);
	delay(20);
		
}

void main()
{
	delay(1);
	init();
	write_point(0x80+2);
	for(i=0;i<8;i++)
	{
		write_date(table[i]);
		delay(20);
	}
	write_point(0xc0+2);
	delay(50);
	for(i=0;i<11;i++)
	{
		write_date(table2[i]);
		delay(40);
	}
	while(1);
}