lcd12864.c

display chinese words in 12864 LCD

#include <reg51.h>
#include <intrins.h>


#define Dataport P0 //LCD数据线

sbit RS=P2^2; // 数据\指令 选择
sbit RW=P2^1; // 读\写 选择
sbit EN=P2^0; // 读\写使能
sbit cs1=P2^4; // 片选1
sbit cs2=P2^3; // 片选2
	
#define uint unsigned int
#define uchar unsigned uchar
/********************************/
/*  定义中文字库		*/
/********************************/

unsigned char code Hzk[]={
/*--  文字:  中  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0xFC,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0xFC,0x08,0x00,0x00,
0x00,0x00,0x07,0x02,0x02,0x02,0x02,0xFF,0x02,0x02,0x02,0x02,0x07,0x00,0x00,0x00,

/*--  文字:  国  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0xFE,0x02,0x0A,0x8A,0x8A,0x8A,0xFA,0x8A,0x8A,0x8A,0x0A,0x02,0xFE,0x00,0x00,
0x00,0xFF,0x40,0x48,0x48,0x48,0x48,0x4F,0x48,0x49,0x4E,0x48,0x40,0xFF,0x00,0x00,

/*--  文字:  人  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x3F,0xC2,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x40,0x20,0x10,0x0C,0x03,0x00,0x00,0x01,0x06,0x0C,0x18,0x30,0x60,0x20,0x00,

/*--  文字:  民  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0xFE,0x92,0x92,0x92,0x92,0xF2,0x92,0x92,0x92,0x9E,0x80,0x80,0x00,0x00,
0x00,0x00,0xFF,0x40,0x20,0x10,0x00,0x00,0x03,0x0C,0x10,0x20,0x40,0xF0,0x00,0x00,

/*--  文字:  解  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x08,0xF4,0x57,0x54,0xFC,0x54,0xF0,0x42,0xA2,0x1E,0x02,0xA2,0x62,0x3E,0x00,0x00,
0x80,0x7F,0x02,0x02,0x5F,0x82,0x7F,0x0A,0x09,0x09,0x09,0xFF,0x09,0x09,0x09,0x00,

/*--  文字:  放  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x08,0x08,0xF8,0x49,0x4E,0xC8,0x88,0x40,0x38,0xCF,0x0A,0x08,0x88,0x78,0x08,0x00,
0x40,0x30,0x0F,0x40,0x80,0x7F,0x00,0x40,0x20,0x10,0x0B,0x0E,0x31,0x60,0x20,0x00,

/*--  文字:  军  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x18,0x26,0x22,0xA2,0x72,0x2E,0xAA,0x22,0x22,0x22,0x32,0x22,0x0A,0x06,0x00,
0x00,0x10,0x10,0x12,0x13,0x12,0x12,0xFF,0x12,0x12,0x12,0x13,0x12,0x18,0x10,0x00,

/*--  文字:  第  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x10,0x08,0x04,0xD3,0x56,0x5A,0x52,0x5A,0xF4,0x53,0x56,0x5A,0x72,0x02,0x02,0x00,
0x00,0x20,0x20,0x23,0x12,0x12,0x0A,0x06,0xFF,0x02,0x02,0x12,0x22,0x1E,0x00,0x00,

/*--  文字:  三  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x04,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x04,0x00,0x00,
0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,

/*--  文字:  三  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x04,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x04,0x00,0x00,
0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,

/*--  文字:  零  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x0C,0x04,0x55,0x55,0x55,0x85,0x7F,0x85,0x55,0x55,0x55,0x05,0x0C,0x04,0x00,
0x04,0x04,0x04,0x0A,0x0A,0x09,0x2A,0xCC,0x28,0x19,0x09,0x02,0x06,0x02,0x02,0x00,

/*--  文字:  三  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x04,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x04,0x00,0x00,
0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,

/*--  文字:  工  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x02,0x02,0x02,0x02,0x02,0xFE,0x02,0x02,0x02,0x02,0x02,0x02,0x00,0x00,
0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,

/*--  文字:  厂  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0xFE,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x00,
0x40,0x30,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:  导  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x00,0x3E,0x4A,0x4A,0x4A,0x4A,0x4A,0x4A,0xCA,0x4E,0x40,0x70,0x00,0x00,
0x02,0x02,0x02,0x02,0x06,0x3A,0x12,0x02,0x42,0x82,0x7F,0x02,0x02,0x02,0x02,0x00,

/*--  文字:  弹  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x02,0xF2,0x12,0x12,0x1E,0x00,0xF9,0x2A,0x2C,0xF8,0x28,0x2C,0x2B,0xFA,0x00,0x00,
0x01,0x43,0x81,0x41,0x3F,0x08,0x0B,0x09,0x09,0xFF,0x09,0x09,0x09,0x0B,0x08,0x00,

/*--  文字:  中  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0xFC,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0xFC,0x08,0x00,0x00,
0x00,0x00,0x07,0x02,0x02,0x02,0x02,0xFF,0x02,0x02,0x02,0x02,0x07,0x00,0x00,0x00,

/*--  文字:  心  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x80,0x00,0x00,0xF0,0x00,0x01,0x02,0x1C,0x08,0x00,0x40,0x80,0x00,0x00,0x00,
0x04,0x03,0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x40,0x40,0x78,0x00,0x07,0x02,0x00,

/*--  文字:  胡  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x08,0x88,0x88,0x88,0xFF,0x88,0x88,0x08,0x00,0xFE,0x12,0x12,0x12,0xFE,0x00,0x00,
0x00,0x3F,0x10,0x10,0x10,0x10,0x7F,0x80,0x40,0x3F,0x01,0x41,0x81,0x7F,0x00,0x00,

/*--  文字:  国  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0xFE,0x02,0x0A,0x8A,0x8A,0x8A,0xFA,0x8A,0x8A,0x8A,0x0A,0x02,0xFE,0x00,0x00,
0x00,0xFF,0x40,0x48,0x48,0x48,0x48,0x4F,0x48,0x49,0x4E,0x48,0x40,0xFF,0x00,0x00,

/*--  文字:  平  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x01,0x05,0x09,0x71,0x21,0x01,0xFF,0x01,0x41,0x21,0x1D,0x09,0x01,0x00,0x00,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0xFF,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};


/****************************************/
/* 定义ASCII字库8列*16行		*/
/****************************************/
unsigned char code Ezk[]={

/*--  文字:  Q  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,

/*--  文字:  Q  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,

/*--  文字:  1  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

/*--  文字:  3  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,

/*--  文字:  0  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,

/*--  文字:  8  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,

/*--  文字:  1  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

/*--  文字:  3  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,

/*--  文字:  0  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,

/*--  文字:  4  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,

 /*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,



};


void CheckState()		//状态检查，LCD是否忙？
{
   unsigned char dat;
   RS=0;
   RW=1;
   do{
      Dataport=0x00;
      EN=1; 
	  dat=Dataport;
      EN=0;
      dat=0x80 & dat; //仅当第7位为0时才可操作(判别busy信号)
      }while(!(dat==0x00));
}



SendCommandToLCD(unsigned char command)	   //写命令到LCD中
{
   CheckState();
   RS=0;	 //向LCD发送命令
   RW=0;
   Dataport=command;	 //command :命令
   EN=1;
   EN=0;
}


void SetLine(unsigned char page)	//设置页 0xb8是页的首地址
{
  page=0xb8|page; //1011 1xxx		 0<=page<=7 设定页地址--X 0-7,8行为一页64/8=8，共8页
  SendCommandToLCD(page);
}


void SetStartLine(unsigned char startline) 	   //设定显示开始行，0xc0是行的首地址
{
  startline=0xc0|startline; //1100 0000
  SendCommandToLCD(startline); //设置从哪行开始：0--63，一般从0 行开始显示
 }


void SetColumn(unsigned char column)	//设定列地址--Y 0-63 ，0x40是列的首地址
{
  column=column &0x3f; //column最大值为64，越出 0=<column<=63
  column= 0x40|column; //01xx xxxx
  SendCommandToLCD(column);
}

 
void SetOnOff(unsigned char onoff)	   //开关显示，0x3f是开显示，0x3e是关显示
{
	onoff=0x3e|onoff; //0011 111x,onoff只能为0或者1
	SendCommandToLCD(onoff);
}


void WriteByte(unsigned char dat)	//写显示数据
{
   CheckState();
   RS=1; 
   RW=0;
   Dataport=dat;//dat:显示数据
   EN=1;
   EN=0;
  }




void SelectScreen(unsigned char screen)	  //选择屏幕screen: 0-全屏,1-左屏,2-右屏
{ 						 
   switch(screen)
   { case 0: cs1=0;//全屏
             _nop_(); _nop_(); _nop_(); 
             cs2=0; 
             _nop_(); _nop_(); _nop_(); 
             break; 
     case 1: cs1=0;//左屏
             _nop_(); _nop_(); _nop_(); 
             cs2=1;
             _nop_(); _nop_(); _nop_(); 
             break;
     case 2: cs1=1;//右屏
             _nop_(); _nop_(); _nop_(); 
             cs2=0;
             _nop_(); _nop_(); _nop_(); 
             break;
   }
}


void ClearScreen(unsigned char screen)	  //清屏screen: 0-全屏,1-左屏,2-右
{ 	
     unsigned char i,j;
     SelectScreen(screen);
     
	 for(i=0;i<8;i++)	 //控制页数0-7，共8页
	 {
	        SetLine(i);
			SetColumn(0);
              for(j=0;j<64;j++)	   //控制列数0-63，共64列
			  	{
                  WriteByte(0x00); //写点内容，列地址自动加1
                }
     }
					 
}

void	delay(uint nms)		//延时程序
{
	uint i;
	for(; nms > 0; nms--)
		for(i = 0; i < 500; i++);
}

void	lcd_rol()					//向上滚屏
{
 	uint i;
	for(i = 0; i < 64; i++)
	{
		cs1=0; // 片选1
		SendCommandToLCD(0xc0+i);
		cs1=1; 
		
	        cs2=0;// 片选2
		SendCommandToLCD(0xc0+62-i);
		cs2=0; // 片选2
		
		delay(6);
	}
}
void InitLCD() 	  //初始化LCD
{ 

	CheckState();

	SelectScreen(0);
	SetOnOff(0); //关显示

	SelectScreen(0);
	SetOnOff(1); //开显示

	SelectScreen(0);
	ClearScreen(0);//清屏

	SetStartLine(0); //开始行:0

}


//显示全角汉字
void Display(unsigned char ss,unsigned char page,unsigned char column,unsigned char number)
{
	int i;			  //选屏参数，pagr选页参数，column选列参数，number选第几汉字输出
		
	SelectScreen(ss);
	column=column&0x3f;

	SetLine(page);	//写上半页
	SetColumn(column); //控制列
	for(i=0;i<16;i++)  //控制16列的数据输出
	{
	WriteByte(Hzk[i+32*number]); //i+32*number汉字的前16个数据输出
	
	}

	SetLine(page+1);		 //写下半页
	SetColumn(column);	   //控制列
    for(i=0;i<16;i++)	  //控制16列的数据输出
	{
	WriteByte(Hzk[i+32*number+16]);	//i+32*number+16汉字的后16个数据输出
	}

} 


//显示半角汉字和数字和字母
void Displayen(unsigned char ss,unsigned char page,unsigned char column,unsigned char number)
{
	int i;	   //选屏参数，pagr选页参数，column选列参数，number选第几汉字输出
		
	SelectScreen(ss);
	column=column&0x3f;

	SetLine(page);	//写上半页
	SetColumn(column);
   	for(i=0;i<8;i++)
	{
	WriteByte(Ezk[i+16*number]);
	}
	
	SetLine(page+1);	//写下半页
	SetColumn(column);
   	for(i=0;i<8;i++)
	{
	WriteByte(Ezk[i+16*number+8]);
	}
} 
 
 void main()
{  int i;
   InitLCD();
     
   ClearScreen(0);//清屏
    
   SetStartLine(0);
      
   for(i=0;i<4;i++)
   {
	Display(2,0,i*16,i);
	Display(1,0,i*16,i+4);
	
	Display(2,0+2,i*16,i+8);
	Display(1,0+2,i*16,i+12);

	Display(2,0+2+2,i*16,i+16);
	Display(1,0+2+2,i*16,i+20);
    } 

	for(i=0;i<8;i++)
   {
	Displayen(2,0+2+2+2,i*8,i);
	Displayen(1,0+2+2+2,i*8,i+8);
    }
	
	while(1)
	{
		lcd_rol();
		delay(1000);
	}
}