lcd1.c

用51单片机控制、驱动1602液晶显示字符程序

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit lcden= P2^5;
sbit lcdrs= P2^7;
void delay(int z)
{
int x,y;
for(x=z;x>0;x--);
for(y=110;y>0;y--);
}
void init()
{
lcdrs=0;
write_com(0x38);
write_com(0x0e);
write_com(0x06);
write_com(0x01);
write_com(0x80);
}
void write_com(ucharcom)
{
lcdrs=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar data)
{
lcdrs=1;
	P0=date;
	delay(5);
	lcden=1;
	delay(5);
	lcden=0;
}


void main()
{
init();
write_data('1');
while(1)
}