单片机液晶显示lcd1602显示汉字

#include

#define uchar unsigned char

#define uint unsigned int

sbit lcdrs=P1^0;

sbit lcden=P1^2;

sbit lcdwr=P1^1;

uchar CGCODE[]={0x08,0x0F,0x12,0x0F,0x0A,0x1F,0x02,0x02,//"年"代码0x00 0x0F,0x09,0x0F,0x09,0x0F,0x09,0x13,0x00,//"月"代码0x01

0x0F,0x09,0x09,0x0F,0x09,0x09,0x0F,0x00,//"日"代码0x02

0x07,0x04,0x07,0x04,0x07,0x00,0x04,0x07,//"星"左上半部分代码0x03

0x1F,0x01,0x1F,0x01,0x1F,0x08,0x08,0x1F,//"星"右上半部分代码0x04

0x08,0x17,0x00,0x1F,0x00,0x00,0x00,0x00,//"星"左下半部分代码0x05

0x08,0x1F,0x08,0x1F,0x00,0x00,0x00,0x00//"星"右下半部分代码0x06

};

uchar tab[]={'0','8',0x00,'0','3',0x01,'0','9',0x02};//显示"08年03月09日"

void delay(uint t)//延时函数

{

uint x,y;

for(x=0;x

for(y=0;y<110;y++);

}

void write_com(uchar com)//向1602写指令

{

lcdrs=0;

P2=com;

delay(5);

lcden=1;

delay(5);

lcden=0;

}

void write_date(uchar dat)//向1602写数据

{

lcdrs=1;

P2=dat;

delay(5);

lcden=1;

delay(5);

lcden=0;

}

void init()//程序初始化

{

lcdwr=0;

lcden=0;

write_com(0x38);

write_com(0x0c);

write_com(0x06);

write_com(0x01);

}

void main()//主函数

{

int i;

init();

lcdrs=0;

lcdwr=0;

write_com(0x40);//将自定义字符写入CGRAM

for(i=0;i<56;i++)//循环56次写入

{

write_date(CGCODE[i]);

}

write_com(0x80);//写入初始地址

for(i=0;i<9;i++)

{

write_date(tab[i]);

}

write_com(0x80+9);//用09H和0AH显示"星"上部分write_date(0x03);

write_date(0x04);

write_com(0x80+0x40+9);//用49H和4AH显示"星"上部分write_date(0x05);

write_date(0x06);

while(1);

}