LCD1602液晶如何显示年、月、日等汉字

原文：%E6%98%BE%E7%A4%BA%E6%B1%89%E5%AD%97&ie=gbk

#include<reg52.h>
#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)
{
 uint x,y;
 for(x=0;x<t;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); 

}

其他相关页面：
http://blog.sina.com.cn/s/blog_51d5bb610100ys7i.html

http://www.51hei.com/mcu/4038.html

http://djw868.blog.163.com/blog/static/5172816720097271148456/

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