[文档下载] LCD12232液晶的模块化程序

/*******************************************************************



         lcd12232.h头文件



*******************************************************************/



#ifndef _LCD12232_H_

#define _LCD12232_H_

extern void lcd12232_busy(); //忙标志函数

extern void lcd12232_init(); //初始化函数

extern void lcd12232_clear();//清屏函数

extern void lcd12232_hanzi(unsigned char m,unsigned char n,unsigned char p,unsigned char y);//第一个参数代表的是共显示几个字（空格也算一个汉字），第二个参数是从第几个字开始显示，第三个参数是选屏，第四个是页地址

                   //选屏函数，2为两屏，1为左屏，0为右屏

                   //页地址设置的参数值应该为0、1、2三个数中的一个，因为液晶一共分为四页

//extern void lcd12232_zifu(unsigned char m,unsigned char n,unsigned char y,unsigned char d);//第一个参数代表的是第几个字，第二个参数是选屏，第三个参数是页地址，第四个参数是列地址

#endif 



/*******************************************************************



         lcd12232.c文件



*******************************************************************/



#include<reg51.h>

#define uchar unsigned char

#define uint  unsigned char

#define port P0

sbit e1=P2^1;

sbit e2=P2^2;

sbit a0=P2^0;

sbit rw=P2^3;

uchar code ziku[]=

{



 0x00,0x00,0x00,0xC0,0x70,0x20,0x00,0xFF,0x00,0x10,0x20,0xC0,0x80,0x00,0x00,0x00,//小

 0x04,0x02,0x01,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x01,0x07,0x02,0x00,



 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//"空" 什么也不显示，需要的时候把它放在任意位置来当空格使用

 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,



 0x00,0x04,0x84,0x44,0x3C,0x44,0x85,0x06,0x04,0xC4,0x3C,0x44,0x84,0x04,0x00,0x00,//卒

 0x04,0x05,0x04,0x04,0x04,0x04,0x05,0xFE,0x05,0x04,0x04,0x04,0x05,0x04,0x04,0x00,



 0x40,0x41,0xCE,0x04,0x00,0x80,0x40,0xBE,0x82,0x82,0x82,0xBE,0xC0,0x40,0x40,0x00,//设

 0x00,0x00,0x7F,0x20,0x90,0x80,0x40,0x43,0x2C,0x10,0x10,0x2C,0x43,0xC0,0x40,0x00,



 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//"空"

 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,



 0x20,0x21,0x2E,0xE4,0x00,0x00,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0x00,//计

 0x00,0x00,0x00,0x7F,0x20,0x10,0x08,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,



 0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//！

 0x00,0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,



 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//，

 0x00,0x00,0x58,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  



 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//。

 0x00,0x18,0x24,0x24,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,



 0x80,0x84,0x44,0x44,0x24,0x14,0x04,0xFF,0x04,0x14,0x24,0x24,0x46,0xC4,0x40,0x00,//"李"

 0x00,0x08,0x08,0x08,0x09,0x49,0x89,0x7D,0x0D,0x0B,0x09,0x08,0x0C,0x08,0x00,0x00,



 0x10,0x10,0x10,0xFF,0x90,0x50,0xFE,0x92,0x92,0x92,0x92,0x92,0x9A,0xD3,0x82,0x00,//"振"  

 0x02,0x42,0x81,0x7F,0x40,0x30,0x0F,0x00,0xFF,0x40,0x07,0x18,0x28,0x64,0x22,0x00,



 0x80,0x40,0x20,0xF8,0x07,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x68,0x4C,0x08,0x00,//"伟"

 0x00,0x00,0x00,0xFF,0x02,0x02,0x02,0x02,0x02,0xFF,0x02,0x12,0x22,0x1F,0x02,0x00

};

void delay(uchar z)    //延时函数

{

     int x;

     for(x=z;x>0;x--);

}

void lcd12232_cs(uchar cs) //选屏函数，2为两屏，1为左屏，0为右屏

{

   switch(cs)

   {

    case 0:e1=1,e2=0;break;

    case 1:e1=0;e2=1;break;

    case 2:e1=0;e2=0;break;

    case 3:e1=1;e2=1;break;  

   }

}

void lcd12232_write_com(uchar com,uchar n)//写命令函数

{

 lcd12232_cs(3);

 a0=0;

 rw=0;

 port=com;

 //delay(1);

 lcd12232_cs(n);

 delay(1);

}

void lcd12232_write_dat(uchar dat,uchar n)//写数据函数

{

a0=1;

rw=0;

lcd12232_cs(3);

port=dat;

lcd12232_cs(n);

}

uchar lcd12232_read()   //读状态函数

{

 uchar dat;

 //e1=0;e2=0;

 lcd12232_cs(2);

 a0=0;

 rw=1;

 port=0xff;

 delay(1);

 //e1=1;e2=1;

 lcd12232_cs(3);

 dat=port;

 delay(1);

 //e1=0;e2=0;

 lcd12232_cs(2);

 return dat;

}

void lcd12232_busy()

{

 uchar i;

 i=lcd12232_read();

 while(i&0x80==0x80);

}

void lcd12232_clear()    //清屏函数

{

 uchar i;

 lcd12232_write_com(0xb8,2);

 lcd12232_write_com(0x00,2);

 for(i=0;i<255;i++)

 lcd12232_write_dat(0x00,2);

}

void lcd12232_init() //第一个参数为指令，第二个参数为选屏，2为两屏，1为左屏，0为右屏

{

 lcd12232_write_com(0xe2,2);//复位

 lcd12232_write_com(0xaf,2);//总显示开

 lcd12232_write_com(0xc0,2);//从第一行开始显示数据

 lcd12232_write_com(0xb8,2);//设置显示页地址为第一页

 lcd12232_write_com(0x00,2);//设置显示列地址为第一列

 lcd12232_write_com(0xa1,2);//设置正向显示，a0为逆向显示

 lcd12232_write_com(0xa9,2);// 1/32占空比

 lcd12232_write_com(0xa4,2);//动态驱动

 lcd12232_write_com(0xee,2);

 lcd12232_clear();     //清屏

}

void lcd12232_hanzi(uchar m,uchar n,uchar p,uchar y)   //汉字显示函数,第一个参数代表的是显示m个字，第二个参数是从第n个字开始显示，第三个参数是选屏，第四个是页地址

{

 uchar i,a;

 lcd12232_write_com(0x00,2);

 lcd12232_write_com(0xb8+y,2);

 for(a=0;a<m;a++)

 {

  for(i=0;i<16;i++)

  {

   lcd12232_write_dat(ziku[i+a*32+(n-1)*32],p);

  }

 }



 lcd12232_write_com(0x00,2);

 lcd12232_write_com(0xb9+y,2);

 for(a=0;a<m;a++)

 {

  for(i=0;i<16;i++)

  {

   lcd12232_write_dat(ziku[i+a*32+16+(n-1)*32],p);

  }

 }

}

/*void lcd12232_zifu(uchar m,uchar n,uchar y,uchar d)  //第一个参数代表的是第几个字，第二个参数是选屏，第三个参数是页地址，第四个参数是列地址

{

 uchar i;

 lcd12232_write_com(0xb8+y,2);

 lcd12232_write_com(0x00+d,2);

 for(i=0;i<16;i++)

 {

 lcd12232_write_dat(ziku[m*32+i],n);

 }

 lcd12232_write_com(0xb9+y,2);

 lcd12232_write_com(0x00+d,2);

 for(i=0;i<16;i++)

 {

 lcd12232_write_dat(ziku[m*32+i+16],n);

 }

} */



/*******************************************************************



           main.c主文件



*******************************************************************/



#include<reg51.h>

#include"lcd12232.h"

void main()

{     

lcd12232_init(); //初始化

lcd12232_clear();//清屏

lcd12232_busy();//忙检测

lcd12232_hanzi(3,1,1,1);//第一个参数代表的是共显示几个字（空格也算一个汉字），第二个参数是从第几个字开始显示，第三个参数是选屏，第四个参数是页地址

lcd12232_busy();

lcd12232_hanzi(4,4,0,1);



//lcd12232_zifu(0,1,0,0);//第一个参数代表的是第几个字，第二个参数是选屏，第三个参数是页地址，第四个参数是列地址

while(1);

}