单片机-1602液晶基本显示程序

#include<reg52.h>

#define uchar unsigned char

#define uint unsigned int

sbit lcden=P3^4;

sbit lcdrs=P
4000
3^5;

sbit lcdrw=P3^6;

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 write_com(uchar com)

{
P0=com;
lcdrs=0;
delay(10);
lcden=1;
delay(10);
lcden=0;

}

void write_data(uchar date)

{
lcdrs=1;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;

}

void init()

{
lcdrw=0;
dula=0;
wela=0;
write_com(0x38);
delay(20);
write_com(0x0f);
delay(20);
write_com(0x06);
delay(20);
write_com(0x01);
delay(20);

}

void main()

{
init();
while(1);

}