LCD12864 LCD display modular program

#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 The numbers after the Chinese characters represent the codes of the Chinese characters for easy use
    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,//"伟",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,//Set 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,//Count 6
 0x00,0x00,0x00,0x7F,0x20,0x10,0x08,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,

 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//，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 delay function 
{
    uchar a,b;
    for(b=i;b>0;b--)
        for(a=110;a>0;a--);
}*/
void lcd12864_busy() //Busy flag function
{
 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) //Write data function
{
 //lcd12864_busy();
 rw=0;
 rs=1;
 e=1;
 P0=dat;
 e=0;
}
lcd12864_writecom(uchar com) //Write command function
{
 //lcd12864_busy();
 rw=0;
 rs=0;
 e=1;
 P0=com;
 e=0;
}
void lcd12864_init() //initialization function
{
  lcd12864_writecom(0x3f); //turn on display, turn off display to 0x3e
  lcd12864_writecom(0xb8); //set page address to 0. The first page.
  lcd12864_writecom(0xc0); //set the display start row address, the first row is displayed on the LCD screen
  lcd12864_writecom(0x40); //set the column address
}
lcd12864_pxy(uchar p,uchar x,uchar y) //data position, p=0 left half screen, p=1 right half screen, p=2 both half screens are selected, xy is the display coordinates, the fourth quadrant, represented by positive values.
{
  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) //The display position of the mth character is the same as the definition of the test character, except that the value of the xy coordinate should be less than or equal to 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) //The display position of the mth Chinese character, p＝0 left half screen, p＝1 right half screen, p＝2 both half screens are selected, xy is the display coordinates, the fourth quadrant, expressed as positive values, the value of x or y should be less than or equal to 3. m is the mth Chinese character displayed.
{
 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() //screen clearing function
{            
 uint i;
 lcd12864_pxy(2,0,0); //clear the first, second, third and fourth pages of the left and right screens
 for(i=0;i<256;i++)
 {
  lcd12864_writedat(0x00);
 }          
 lcd12864_pxy(2,0,4); // Clear the fifth, sixth, seventh and eighth pages of the left and right screens
 for(i=0;i<256;i++)
 {
  lcd12864_writedat(0x00);
 }
}

#include
#include"lcd12864.h"
void main()
{
 lcd12864_init();
 lcd12864_clear();
 lcd12864_hanzi(0,0,0,0);//Li
 lcd12864_hanzi(0,1,0,1 );//Zhen
 lcd12864_hanzi(0,2,0,2);//Wei
 lcd12864_hanzi(0,3,0,8);// .
 lcd12864_hanzi(0,0,2,3);//small
 lcd12864_hanzi(0,1,2,4);//pawn
 lcd12864_hanzi(0,2,2,5);//set
 lcd12864_hanzi(0,3,2, 6);// count
 lcd12864_hanzi(1,0,2,9);//!
 lcd12864_zifu(1,6,6,8); //! The upper left part is separated and displayed in the form of characters
 lcd12864_zifu(1,7,6 ,9); //! The upper right part
 lcd12864_zifu(1,6,7,10); //! The lower left part
 lcd12864_zifu(1,7,7,11); //! The lower right part
 while(1);
}