P1------DB0～DB7
P2.0------RS
P2.1------RW
P2.2------E

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

#define LCD_DB P1
#define uchar unsigned char
#define uint unsigned int
sbit LCD_RS=P2^0;
sbit LCD_RW=P2^1;
sbit LCD_E=P2^2;
sbit cs1=P2^6;
sbit cs2=P2^7;
 uchar code kk[] = {
      //"陜",
      0xFE,0x82,0x1A,0xE6,0x4C,0x74,0x44,0xFF,
      0x64,0x5C,0x46,0x44,0x0F,0x00,0x01,0x08,
      0x08,0x04,0x03,0x00,0x01,0x02,0x04,0x08};
 uchar code xi[]={//"西",
      0x02,0xFA,0x0A,0x8A,0x7E,0x0A,0x0A,0xFE,
      0x8A,0x8A,0xFB,0x02,0x00,0x0F,0x05,0x04,
      0x04,0x04,0x04,0x04,0x04,0x04,0x0F,0x00};
 uchar code dian[]={//"電",
   0x00,0xFC,0x24,0x24,0x24,0xFF,0x24,0x24,
      0x24,0xFE,0x04,0x00,0x00,0x01,0x01,0x01,
      0x01,0x07,0x09,0x09,0x09,0x09,0x08,0x0E};

uchar code zi[]={//"子",
      0x00,0x20,0x21,0x21,0x21,0x21,0xF9,0x25,
      0x23,0x21,0x30,0x20,0x00,0x00,0x00,0x04,
      0x08,0x08,0x0F,0x00,0x00,0x00,0x00,0x00};
uchar code ke[]={//"科",
      0x8A,0x4A,0xFF,0x29,0x49,0x08,0x22,0xCC,
      0x80,0xFF,0x40,0x40,0x01,0x00,0x0F,0x00,
      0x00,0x01,0x01,0x00,0x00,0x0F,0x00,0x00};
uchar code ji[]={//"技",
      0x48,0x48,0xFF,0x28,0x28,0x64,0xA4,0x3F,
      0xA4,0x64,0x26,0x04,0x04,0x08,0x07,0x08,
      0x08,0x04,0x02,0x01,0x02,0x04,0x08,0x08};
uchar code xue[]={ //"學(xué)",
      0x20,0x18,0x29,0x2E,0x28,0xA9,0xAE,0x68,
      0x2C,0x0B,0x98,0x08,0x01,0x01,0x01,0x01,
      0x05,0x09,0x0F,0x01,0x01,0x01,0x01,0x01};
uchar code yuan[]={//"院",
      0xFE,0x02,0x1A,0xE6,0x48,0x54,0xD4,0x55,
      0xD6,0x54,0x54,0x4C,0x0F,0x01,0x02,0x09,
      0x08,0x04,0x03,0x00,0x07,0x08,0x08,0x0E};
uchar code yu[]={//"余",
      0x20,0x50,0x48,0x54,0x52,0xF1,0x52,0xD4,
      0x48,0x50,0x60,0x20,0x08,0x04,0x02,0x05,
      0x08,0x0F,0x00,0x00,0x01,0x02,0x04,0x08};
uchar code lao[]={//"老",
      0x10,0x14,0x14,0x94,0x94,0x5F,0x34,0x9C,
      0x94,0x12,0x18,0x10,0x02,0x02,0x01,0x00,
      0x07,0x09,0x09,0x08,0x08,0x08,0x0E,0x00};
uchar code shi[]={//"師",
      0x00,0xFC,0x00,0xFF,0x00,0xFA,0x0A,0x0A,
      0xFE,0x0A,0x0B,0xFA,0x00,0x09,0x04,0x03,
      0x00,0x03,0x00,0x00,0x0F,0x00,0x02,0x03};
/******定義函數(shù)****************/
void  LCD_init(void);//聲明初始化函數(shù)
void  LCD_write_command(uchar command);//寫指令函數(shù)
void  LCD_write_data(uchar dat);//寫數(shù)據(jù)函數(shù)
void  LCD_disp_char(uchar x,uchar y,uchar dat);//在某個屏幕位置上顯示一

//個字符,X（0-16),y(1-2)

//void  LCD_check_busy(void);//檢查忙函數(shù)。我沒用到此函數(shù)，因?yàn)橥ㄟ^率極低。

void  delay(uint n);//延時函數(shù)

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

//*******初始化函數(shù)***************

void  LCD_init(void)

{

LCD_write_command(0x38);//設(shè)置8位格式，2行，5x7

LCD_write_command(0x0c);//整體顯示，關(guān)光標(biāo)，不閃爍

LCD_write_command(0x06);//設(shè)定輸入方式，增量不移位--------------

LCD_write_command(0x01);//清除屏幕顯示----------------

delay(100);//實(shí)踐證明，我的LCD1602上，用for 循環(huán)200 次就能可靠完成清屏指令。

}

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

//********寫指令函數(shù)***********設(shè)置先向1602寫入的數(shù)據(jù)為地址*

void   LCD_write_command(uchar dat)

{

LCD_DB=dat;

LCD_RS=0;//指令

LCD_RW=0;//寫入

LCD_E=1;//允許

LCD_E=0;//產(chǎn)生下降沿

delay(1);//實(shí)踐證明，我的LCD1602 上，用for 循環(huán)1 次就能完成普通寫指令。

}

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

//********再寫數(shù)據(jù)函數(shù)*****向1602中寫入數(shù)據(jù)********

void   LCD_write_data(uchar dat)

{

LCD_DB=dat;

LCD_RS=1;//數(shù)據(jù)

LCD_RW=0;//寫入

LCD_E=1;//允許

LCD_E=0;//產(chǎn)生下降沿

delay(1);

}
void   writeDataLcd(unsigned char dat)// 寫入數(shù)據(jù)
  {
    LCD_RS=1; //RS置1    (運(yùn)算后P5=xxx1 xxxx,即RS=1其他位狀態(tài)不變）
    LCD_RW=0; //RW清0   (運(yùn)算后P5=xx0x xxxx, 即RW=0其他位狀態(tài)不變)
    LCD_E=0; //使能E清0   (運(yùn)算后P5=xxxx 0xxx, 即E=0其他位狀態(tài)不變)
    P1  =  dat;  //送數(shù)據(jù)到P2OUT準(zhǔn)備輸出進(jìn)入1602，等E下降沿來即可進(jìn)入1602.
    LCD_E=1;  //使能E置1，P5OUT= xxxx xxxx+0000 1000=xxxx1xxx，E=1.
    delay(10);
    LCD_E=0; //使能E清0，這樣E從1變0，產(chǎn)生一個下降,寫入命令到1602。
  }

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

//*******顯示一個字符函數(shù)*********

void LCD_disp_char(uchar x,uchar y,uchar dat)
{
 if(y>=64)
  {
  y=y-1;
  }
 LCD_write_command(0x40|y);
 delay(10);
 LCD_write_command(0xb8|x);
 LCD_write_data(dat);

}

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

/*******檢查忙函數(shù)*************

voidLCD_check_busy()       
 //實(shí)踐證明，在我的LCD1602 上，檢查忙指令通

過率極低，以至于不能正常使用LCD。因此我沒有再用檢查忙函數(shù)。而使

do//用了延時的方法，延時還是非常好用的。我試了一下，用//

{LCD_E=0;                     //for 循環(huán)作延時，普通指令只要1次循就可完成。清屏指令

LCD_RS=0;                  //要用200次循環(huán)便能完成。

LCD_RW=1;

LCD_DB=0xff;

LCD_E=1;

while(LCD_DB^7==1);

｝

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

//********延時函數(shù)***************

void delay(uint n)

{ uint i;

uchar j;

for(i=n;i>0;i--)

for(j=0;j<2;j++); //在這個延時循環(huán)函數(shù)中我只做了2次循環(huán)，

} //實(shí)踐證明我的LCD1602 上普

//通的指令只需1次循環(huán)就能可靠完成。

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

//*********主函數(shù)*****************

void main(void)

{
while(1)
{
 uint i;
 LCD_init();
 while(1)
 {   
    for (i=0;i<12;i++)//陜字上半部
   { 
    cs1=1;
 cs2=0;
    LCD_disp_char(0,i+36+4,kk[i]);//加36是顯示起始位置左移，因?yàn)橐粋�漢字的寬度為12
     delay(500);
  }
    for (i=12;i<24;i++)//陜字下半部
 { 
    cs1=1;
 cs2=0;
    LCD_disp_char(1,i+24+4,kk[i]);
     delay(500);
  }
  for (i=0;i<12;i++)//西上
 { 
    cs1=1;
 cs2=0; 
    LCD_disp_char(0,i+48+4,xi[i]);
     delay(500);
  }
      for (i=12;i<24;i++)//西下
 { 
    cs1=1;
 cs2=0;
    LCD_disp_char(1,i+36+4,xi[i]);
     delay(500);
  }
       for (i=0;i<12;i++)//電上
 {   
    cs1=0;
 cs2=1;   
    LCD_disp_char(0,i,dian[i]);
     delay(500);
  }
       for (i=12;i<24;i++)//電下
 { 
    cs1=0;
 cs2=1; 
    LCD_disp_char(1,i-12,dian[i]);
     delay(500);
  }
       for (i=0;i<12;i++)//子上
 {
    cs1=0;
 cs2=1; 
    LCD_disp_char(0,i+12,zi[i]);
     delay(500);
  }
  for (i=12;i<24;i++)//子下
 {
    cs1=0;
 cs2=1; 
    LCD_disp_char(1,i,zi[i]);
     delay(500);
  }
   /**************************************/ 
    for (i=0;i<12;i++)//ke上
 { 
     
    LCD_disp_char(0,i+24,ke[i]);
     delay(500);
  }
    for (i=12;i<24;i++)//ke下
 {
    LCD_disp_char(1,i+12,ke[i]);
     delay(500);
  }
  for (i=0;i<12;i++)//ji上
 { 
    cs1=1;
 cs2=0; 
    LCD_disp_char(3,i+48+4,ji[i]);
     delay(500);
  }
      for (i=12;i<24;i++)//ji下
 {
    LCD_disp_char(4,i+36+4,ji[i]);
     delay(500);
  }
       for (i=0;i<12;i++)//xue上
 { 
    cs1=0;
 cs2=1;   
    LCD_disp_char(3,i+24-24,xue[i]);
     delay(500);
  }
       for (i=12;i<24;i++)//xue下
 {
    LCD_disp_char(4,i+12-24,xue[i]);
     delay(500);
  }
for (i=0;i<12;i++)//yuan上
 {
    cs1=0;
 cs2=1; 
    LCD_disp_char(3,i+36-24,yuan[i]);
     delay(500);
  }
  for (i=12;i<24;i++)//下
 {
    LCD_disp_char(4,i+24-24,yuan[i]);
     delay(500);
  }
for (i=0;i<12;i++)//yu上
 {
    cs1=1;
 cs2=0; 
    LCD_disp_char(6,i+48+4,yu[i]);
     delay(500);
  }
  for (i=12;i<24;i++)//yu下
 {
    LCD_disp_char(7,i-12+48+4,yu[i]);
     delay(500);
  }
  for (i=0;i<12;i++)//老上
 {
    cs1=0;
 cs2=1; 
    LCD_disp_char(6,i,lao[i]);
     delay(500);
  }
  for (i=12;i<24;i++)//老下
 {
    LCD_disp_char(7,i-12,lao[i]);
     delay(500);
  }
  for (i=0;i<12;i++)//shi上
 {
    cs1=0;
 cs2=1; 
    LCD_disp_char(6,i+24-12,shi[i]);
     delay(500);
  }
  for (i=12;i<24;i++)//shi下
 {
    LCD_disp_char(7,i-12+24-12,shi[i]);
     delay(500);
  }
    LCD_write_command(0x01);
    delay(10000);
   }
}

}