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首頁(yè)>技術(shù)資料>51單片機(jī)

LCD12864 液晶顯示器 模塊化程序(51單片機(jī))

發(fā)布時(shí)間：2018-03-26   瀏覽量：

 

 

 

/**********************
lcd12864.h 頭文件
**********************/
#ifndef _LCD12864_H_
#define _LCD12864_H_
extern void lcd12864_busy(); //忙標(biāo)志函數(shù)
extern void led12864_clear();//清屏
extern void lcd12864_init(); //初始化函數(shù)
extern void lcd12864_pxy(unsigned char p,unsigned char x,unsigned char y);//數(shù)據(jù)的顯示位置，p＝0左半屏，p＝1右半屏，p＝2兩半屏全選，xy為顯示的坐標(biāo)，第四象限，用正值表示。
extern void lcd12864_zifu(unsigned char p,unsigned char x,unsigned char,unsigned char m); //第m個(gè)字符的顯示位置，與漢字的定義一樣，只是xy的坐標(biāo)的值應(yīng)小于等于7.
extern void lcd12864_hanzi(unsigned char p,unsigned char x,unsigned char y,unsigned char m); //第m個(gè)漢字的顯示位置，p＝0左半屏，p＝1右半屏，p＝2兩半屏全選，xy為顯示的坐標(biāo)，第四象限，用正值表示,x或y的值都應(yīng)小于等于3。m為顯示的第m個(gè)漢字。
#endif

 

 

/**********************
 lcd12864.c 文件
**********************/

#include
#define uint unsigned int
#define uchar unsigned char
sbit cs2=P2^0;
sbit cs1=P2^1;
sbit e=P2^2;
sbit rw=P2^3;
sbit rs=P2^4;
uchar code zifu[]=
{
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//，0
 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,//。1
 0x00,0x18,0x24,0x24,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

 0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//！2
 0x00,0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 
};
uchar code ziku[]=
{
  //0x80,0x40,0xF0,0x2C,0x43,0x20,0x98,0x0F,0x0A,0xE8,0x08,0x88,0x28,0x1C,0x08,0x00,//"你",
 //0x00,0x00,0x7F,0x00,0x10,0x0C,0x03,0x21,0x40,0x3F,0x00,0x00,0x03,0x1C,0x08,0x00,

 0x80,0x84,0x44,0x44,0x24,0x14,0x04,0xFF,0x04,0x14,0x24,0x24,0x46,0xC4,0x40,0x00,//"李",0 漢字后面的數(shù)字表示漢字的代號(hào)，方便使用
    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",1 
    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,//"偉",2
    0x00,0x00,0x00,0xFF,0x02,0x02,0x02,0x02,0x02,0xFF,0x02,0x12,0x22,0x1F,0x02,0x00,

 0x00,0x00,0x00,0xC0,0x70,0x20,0x00,0xFF,0x00,0x10,0x20,0xC0,0x80,0x00,0x00,0x00,//小3
 0x04,0x02,0x01,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x01,0x07,0x02,0x00,

 0x00,0x04,0x84,0x44,0x3C,0x44,0x85,0x06,0x04,0xC4,0x3C,0x44,0x84,0x04,0x00,0x00,//卒4
 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,//設(shè)5
 0x00,0x00,0x7F,0x20,0x90,0x80,0x40,0x43,0x2C,0x10,0x10,0x2C,0x43,0xC0,0x40,0x00,

 0x20,0x21,0x2E,0xE4,0x00,0x00,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0x00,//計(jì)6
 0x00,0x00,0x00,0x7F,0x20,0x10,0x08,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,

 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//，7
 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,//。8
 0x00,0x18,0x24,0x24,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

 0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//！9
 0x00,0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
 
};

/*void delay(uchar i)   //1ms延時(shí)函數(shù) 
{
    uchar a,b;
    for(b=i;b>0;b--)
        for(a=110;a>0;a--);
}*/
void lcd12864_busy()    //忙標(biāo)志位函數(shù)
{
 uchar i;
 rw=1;
 rs=0;
 while(1)
 {
  P0=0xff;
  e=1;
  //i=P0;
  e=0;
  i=P0;
  i=i&0x80;
  if(i!=0x80)
  break;
 }
}
lcd12864_writedat(uchar dat) //寫(xiě)數(shù)據(jù)函數(shù)
{
 //lcd12864_busy();
 rw=0;
 rs=1;
 e=1;
 P0=dat;
 e=0;
}
lcd12864_writecom(uchar com)  //寫(xiě)命令函數(shù)
{
 //lcd12864_busy();
 rw=0;
 rs=0;
 e=1;
 P0=com;
 e=0;
}
void lcd12864_init()   //初始化函數(shù)
{
  lcd12864_writecom(0x3f);//開(kāi)顯示 關(guān)顯示為0x3e
  lcd12864_writecom(0xb8);//設(shè)置頁(yè)地址為0.第一頁(yè)。
  lcd12864_writecom(0xc0);//設(shè)置顯示起始行地址，為第一行顯示到液晶屏上
  lcd12864_writecom(0x40);//設(shè)置列地址
}
lcd12864_pxy(uchar p,uchar x,uchar y) //數(shù)據(jù)的位置，p＝0左半屏，p＝1右半屏，p＝2兩半屏全選，xy為顯示的坐標(biāo)，第四象限，用正值表示。
{
  switch(p)
 {
  case 0:cs1=0;cs2=1;break;
  case 1:cs1=1;cs2=0;break;
  case 2:cs1=0;cs2=0;break;
 }
  lcd12864_writecom(0xb8+y);
  lcd12864_writecom(0x40+x);
}
lcd12864_zifu(uchar p,uchar x,uchar y,uchar m) //第m個(gè)字符的顯示位置，與測(cè)字的定義一樣，只是xy的坐標(biāo)的值應(yīng)小于等于7.
{
 uchar i;
 lcd12864_pxy(p,x*8,y);
 for(i=0;i<8;i++)
 {
  lcd12864_writedat(zifu[i+m*8]);
 }
}
lcd12864_hanzi(uchar p,uchar x,uchar y,uchar m) //第m個(gè)漢字的顯示位置，p＝0左半屏，p＝1右半屏，p＝2兩半屏全選，xy為顯示的坐標(biāo)，第四象限，用正值表示,x或y的值都應(yīng)小于等于3。m為顯示的第m個(gè)漢字。
{
 uchar i;
 lcd12864_pxy(p,x*16,2*y);
 for(i=0;i<16;i++)
 lcd12864_writedat(ziku[i+m*32]);
 lcd12864_pxy(p,x*16,2*y+1);
 for(i=0;i<16;i++)
 lcd12864_writedat(ziku[i+m*32+16]);
}
void lcd12864_clear()      //清屏函數(shù)
{            
 uint i;
 lcd12864_pxy(2,0,0);      //清左右兩屏的第一、二、三、四頁(yè)
 for(i=0;i<256;i++)
 {
  lcd12864_writedat(0x00);
 }          
 lcd12864_pxy(2,0,4);      //清左右兩屏的第五、六、七、八頁(yè)
 for(i=0;i<256;i++)
 {
  lcd12864_writedat(0x00);
 }
}

 

 

/******************************************
 main.c 主文件
******************************************/

#include
#include"lcd12864.h"
void main()
{
 lcd12864_init();
 lcd12864_clear();
 lcd12864_hanzi(0,0,0,0);//李
 lcd12864_hanzi(0,1,0,1);//振
 lcd12864_hanzi(0,2,0,2);//偉
 lcd12864_hanzi(0,3,0,8);// 。
 lcd12864_hanzi(0,0,2,3);//小
 lcd12864_hanzi(0,1,2,4);//卒
 lcd12864_hanzi(0,2,2,5);//設(shè)
 lcd12864_hanzi(0,3,2,6);//計(jì)
 lcd12864_hanzi(1,0,2,9);//！
 lcd12864_zifu(1,6,6,8); //！的左上部 分開(kāi)以字符的形式顯示
 lcd12864_zifu(1,7,6,9); //！的右上部
 lcd12864_zifu(1,6,7,10);//！的左下部
 lcd12864_zifu(1,7,7,11);//！的右下部
 while(1);
}