📄 lcd12864.txt

📁 12864驱动~使用51单片机
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#include <reg51.h>
#include <intrins.h>


sbit LCD_RS=P1^0;//定义引脚
sbit LCD_RW=P1^1;
sbit LCD_E=P1^2;
sbit PSB =P3^6;  //PSB脚为12864-12系列的串、并通讯功能切换，我们使用8位并行接口，PSB=1
#define LCD_Data P2
#define Busy    0x80 //用于检测LCD状态字中的Busy标识

 

void WriteDataLCD(unsigned char WDLCD);
void WriteCommandLCD(unsigned char WCLCD,BuysC);
unsigned char ReadDataLCD(void);
unsigned char ReadStatusLCD(void);
void LCDInit(void);
void LCDClear(void);
void LCDFlash(void);
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData);
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData);
void DisplayImage (unsigned char code *DData);
void Delay5Ms(void);
void Delay400Ms(void);

code unsigned char  uctech[] = {"5 1 单片机实验板"};
code unsigned char  net[] = {" www.lydz8.com  "};
code unsigned char  mcu[] = {"自学单片机的首选"};
code unsigned char  qq[] = {"  QQ: 52927029  "};
code unsigned char tmp[]={//128*64点阵图形数据
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0x8F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0xC7,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x01,0xEF,0xFF,0x80,0x02,0x08,0x00,0x88,0x02,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0xFF,0xFF,0x80,0x02,0x08,0x0C,0xC8,0x02,0x00,0x7F,0xE1,0xEF,0xC0,0x01,
0x80,0x00,0xFF,0xFF,0x80,0x02,0x08,0x04,0x08,0x3F,0xE0,0x01,0x81,0x29,0x40,0x01,
0x80,0x00,0xFF,0xFC,0x40,0x0F,0xFF,0x01,0xFE,0x22,0x20,0x03,0x01,0x29,0x40,0x01,
0x80,0x01,0xFF,0xFC,0x20,0x02,0x18,0x10,0x20,0x22,0x20,0x06,0x01,0x29,0x40,0x01,
0x80,0x01,0xFF,0xFC,0x00,0x06,0x18,0x18,0x20,0x3F,0xE0,0x06,0x01,0x29,0x40,0x01,
0x80,0x01,0xFF,0xF8,0x10,0x07,0x2C,0x01,0xFC,0x22,0x20,0xFF,0xF1,0x2F,0xC0,0x01,
0x80,0x01,0xFF,0xFC,0x30,0x0E,0xAE,0x00,0x20,0x22,0x20,0x06,0x01,0x28,0x40,0x01,
0x80,0x03,0xFF,0xFC,0x38,0x0A,0x6A,0x00,0x20,0x22,0x20,0x06,0x01,0xE8,0x00,0x01,
0x80,0x03,0xFF,0xFE,0x18,0x0A,0x49,0x0F,0xFE,0x3F,0xE0,0x06,0x01,0x28,0x00,0x01,
0x80,0x03,0xFF,0xFE,0x18,0x02,0x08,0x08,0x20,0x22,0x00,0x06,0x01,0x08,0x20,0x01,
0x80,0x07,0xFF,0xFF,0x17,0x02,0x08,0x18,0x20,0x02,0x08,0x06,0x00,0x08,0x20,0x01,
0x80,0x07,0xFF,0xBF,0x8F,0x82,0x08,0x10,0x20,0x03,0xF8,0x0C,0x00,0x07,0xE0,0x01,
0x80,0x0F,0xFE,0x03,0xF7,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x0F,0xFC,0x00,0x8A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x0F,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x07,0xF8,0x00,0x08,0x00,0x00,0x00,0x0C,0x01,0x80,0xE0,0x00,0x00,0x00,0x01,
0x80,0x01,0xF8,0x00,0x20,0x00,0x00,0x00,0x04,0x00,0x81,0x20,0x00,0x00,0x00,0x01,
0x80,0x00,0xF8,0x00,0x20,0x00,0x00,0x00,0x04,0x00,0x81,0x20,0x00,0x00,0x00,0x01,
0x80,0x01,0xF8,0x04,0x80,0x01,0xFF,0xFC,0x04,0xFB,0xBC,0xC0,0x39,0x9F,0x00,0x01,
0x80,0x00,0x5C,0x01,0x00,0x01,0x6B,0x58,0x04,0x54,0x89,0x20,0x42,0x55,0x00,0x01,
0x80,0x00,0x0E,0x05,0x00,0x00,0xA5,0x28,0x04,0x24,0x91,0x20,0x42,0x55,0x00,0x01,
0x80,0x00,0x07,0xE8,0x00,0x00,0xA5,0x29,0x0E,0x43,0xFC,0xC4,0x39,0x95,0x00,0x01,
0x80,0x00,0x0F,0xE0,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0x3F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0x3F,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0xFE,0xE8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x01,
0x80,0x00,0xFB,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xC0,0x00,0x01,
0x80,0x00,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xE0,0x00,0x01,
0x80,0x00,0xF7,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x01,
0x80,0x00,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x01,
0x80,0x01,0xF7,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x01,
0x80,0x00,0xFF,0xCC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0xE0,0x00,0x01,
0x80,0x01,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x60,0x00,0x01,
0x80,0x01,0xFF,0x6E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x20,0x38,0x01,
0x80,0x01,0xF7,0xB7,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x30,0xFE,0x01,
0x80,0x03,0xFB,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x21,0xFF,0x01,
0x80,0x01,0xFD,0xFF,0xC0,0x00,0x40,0x00,0x00,0x13,0x00,0x00,0x03,0x61,0xFF,0x81,
0x80,0x03,0xFF,0xFA,0xE0,0x00,0x40,0x27,0xF8,0x22,0x00,0x00,0x01,0x83,0xFF,0x81,
0x80,0x07,0xFF,0x7F,0xC0,0x3E,0xFE,0x36,0x48,0x67,0xF0,0x20,0x01,0xC1,0xFF,0x81,
0x80,0x07,0xFB,0xDC,0xC0,0x02,0x86,0x06,0x48,0x6C,0x90,0x20,0x01,0x63,0xFF,0x81,
0x80,0x03,0x7E,0xFF,0xC0,0x12,0x84,0x06,0x48,0xA0,0x80,0x20,0x03,0x3B,0xFF,0x81,
0x80,0x0F,0xDF,0xFE,0x00,0x15,0xA0,0x76,0x48,0x24,0xB0,0x20,0x0E,0x1F,0xFF,0x81,
0x80,0x02,0xB7,0xFE,0x00,0x0C,0x20,0x16,0x48,0x2C,0x98,0x20,0x1F,0x07,0xFF,0xCF,
0x80,0x03,0xFF,0xBE,0x00,0x0C,0x20,0x16,0x48,0x21,0x80,0x20,0x3F,0x07,0xFF,0x87,
0x80,0x0F,0xBF,0xBE,0x00,0x0E,0x30,0x17,0x58,0x02,0x00,0x20,0x3F,0x1F,0xFF,0xC7,
0x80,0x3F,0xDF,0xFE,0x00,0x1A,0x70,0x16,0x50,0x2B,0x20,0x20,0x7E,0x1F,0xFF,0xC7,
0x81,0xFF,0xFF,0xBF,0x80,0x12,0x48,0x10,0x40,0x49,0x10,0x30,0x1E,0x1F,0xFF,0xC7,
0x9F,0xFF,0x3F,0xFF,0xE0,0x30,0x84,0x38,0x00,0x48,0x58,0x00,0x1C,0x1F,0xFF,0xFD,
0xDF,0xFF,0x7F,0xBF,0xF0,0x03,0x02,0x47,0xFC,0x4F,0xC0,0x00,0x3C,0x0F,0xFF,0xF5,
0xFF,0xFC,0xFF,0xF7,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x0F,0xFF,0x81,
0xFF,0xF8,0x7F,0xFB,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x07,0xFE,0x01,
0xBF,0xE8,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x03,0xF8,0x01,
0x9F,0xA0,0xFF,0xFB,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x01,0x60,0x01,
0x80,0x81,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0xFF,0xFD,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0x3F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};


code unsigned char temp[]={
0x04,0x04,0x44,0x44,0x7F,0x84,0x84,0x04,0x04,0xFF,0x04,0x44,0x35,0x04,0x04,0x00,
0x20,0x20,0x42,0x41,0xFE,0x80,0x80,0x08,0x08,0x10,0xE0,0x58,0x84,0x02,0x0F,0x00,
0x00,0x02,0x4D,0x69,0x59,0x49,0x6F,0x59,0xC9,0x89,0x99,0xE9,0x89,0x09,0x0C,0x00,
0x02,0x04,0x05,0x09,0x32,0xE2,0x54,0x54,0x48,0x58,0x64,0x44,0x02,0x03,0x02,0x00,
0x01,0x02,0x0F,0x34,0xC2,0x04,0x19,0xF0,0x50,0x17,0x10,0x11,0x14,0x38,0x10,0x00,
0x00,0x00,0xFE,0x00,0x08,0x30,0xC0,0x84,0x02,0xFC,0x00,0x00,0xC0,0x38,0x10,0x00,
//*************************************************************/

};

void main(void)
{
 Delay400Ms(); //启动等待，等LCD讲入工作状态
 LCDInit(); //LCM初始化
 Delay5Ms(); //延时片刻(可不要)
 while(1){
  LCDClear();
  DisplayImage(temp);//显示图形
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
   LCDClear();
  DisplayImage(tmp);//显示图形
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
  LCDClear();
  DisplayListChar(0,1,uctech); //显示字库中的中文数字
   DisplayListChar(0,2,net);  //显示字库中的中文数字
  DisplayListChar(0,3,mcu);  //显示字库中的中文
  DisplayListChar(0,4,qq);  //显示字库中的中文数字
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
  Delay400Ms();
   LCDFlash(); //闪烁效果

  //}
 }
}

//写数据
void WriteDataLCD(unsigned char WDLCD)
{
 ReadStatusLCD(); //检测忙 
 LCD_RS = 1;
 LCD_RW = 0;
 LCD_Data = WDLCD;
 LCD_E = 1;
 LCD_E = 1;
 LCD_E = 1;
 LCD_E = 0;
}

//写指令
void WriteCommandLCD(unsigned char WCLCD,BuysC) //BuysC为0时忽略忙检测
{
 if (BuysC) ReadStatusLCD(); //根据需要检测忙 
 LCD_RS = 0;
 LCD_RW = 0; 
 LCD_Data = WCLCD;
 LCD_E = 1; 
 LCD_E = 1;
 LCD_E = 1;
 LCD_E = 0;  
}

//读数据
unsigned char ReadDataLCD(void)
{
 LCD_RS = 1; 
 LCD_RW = 1;
 LCD_E = 0;
 LCD_E = 0;
 LCD_E = 1;
 return(LCD_Data);
}

//读状态
unsigned char ReadStatusLCD(void)
{
 LCD_Data = 0xFF; 
 LCD_RS = 0;
 LCD_RW = 1; 
 LCD_E = 1;
 while (LCD_Data & Busy); //检测忙信号
 LCD_E = 0;
 return(LCD_Data);
}

void LCDInit(void) //LCM初始化
{
 WriteCommandLCD(0x30,1); //显示模式设置,开始要求每次检测忙信号
 WriteCommandLCD(0x01,1); //显示清屏
 WriteCommandLCD(0x06,1); // 显示光标移动设置
 WriteCommandLCD(0x0C,1); // 显示开及光标设置
}
void LCDClear(void) //清屏
{
 WriteCommandLCD(0x01,1); //显示清屏
 WriteCommandLCD(0x34,1); // 显示光标移动设置
 WriteCommandLCD(0x30,1); // 显示开及光标设置
}
void LCDFlash(void) //闪烁效果
{
 WriteCommandLCD(0x08,1); //显示清屏
 Delay400Ms();
 WriteCommandLCD(0x0c,1); // 显示开及光标设置
 Delay400Ms();
 WriteCommandLCD(0x08,1); //显示清屏
 Delay400Ms();
 WriteCommandLCD(0x0c,1); // 显示开及光标设置
 Delay400Ms();
 WriteCommandLCD(0x08,1); //显示清屏
 Delay400Ms();
}
//按指定位置显示一个字符
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
{
 if(Y<1)
  Y=1;
 if(Y>4)
  Y=4;
 X &= 0x0F; //限制X不能大于16，Y不能大于1
 switch(Y){
 case 1:X|=0X80;break;
 case 2:X|=0X90;break;
 case 3:X|=0X88;break;
 case 4:X|=0X98;break;
 }
 WriteCommandLCD(X, 0); //这里不检测忙信号，发送地址码
 WriteDataLCD(DData);
}

//按指定位置显示一串字符
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)
{
 unsigned char ListLength,X2;
  ListLength = 0;
  X2=X;
 if(Y<1)
  Y=1;
 if(Y>4)
  Y=4;
 X &= 0x0F; //限制X不能大于16，Y在1-4之内
 switch(Y){
 case 1:X2|=0X80;break; //根据行数来选择相应地址
 case 2:X2|=0X90;break;
 case 3:X2|=0X88;break;
 case 4:X2|=0X98;break;
 }
 WriteCommandLCD(X2, 1); //发送地址码
  while (DData[ListLength]>=0x20) //若到达字串尾则退出
  {
   if (X <= 0x0F) //X坐标应小于0xF
    {
     WriteDataLCD(DData[ListLength]); //
     ListLength++;
  X++;
  Delay5Ms();
    }
  }
}

//图形显示122*32
void DisplayImage (unsigned char code *DData){
 unsigned char x,y,i;
 unsigned int tmp=0;
 for(i=0;i<9;){  //分两屏，上半屏和下半屏，因为起始地址不同，需要分开
 for(x=0;x<32;x++){    //32行
  WriteCommandLCD(0x34,1);     // 显示光标移动设置
  WriteCommandLCD((0x80+x),1);//列地址
  WriteCommandLCD((0x80+i),1); //行地址，下半屏，即第三行地址0X88
  WriteCommandLCD(0x30,1);  // 显示开及光标设置
  for(y=0;y<16;y++) 
   WriteDataLCD(DData[tmp+y]);//读取数据写入LCD
  tmp+=16;  
 }
 i+=8;
 }
 WriteCommandLCD(0x36,1); //扩充功能设定
 WriteCommandLCD(0x30,1);
}

//5ms延时
void Delay5Ms(void)
{
 unsigned int TempCyc = 5552;
 while(TempCyc--);
}

//400ms延时
void Delay400Ms(void)
{
 unsigned char TempCycA = 5;
 unsigned int TempCycB;
 while(TempCycA--)
 {
  TempCycB=7269;
  while(TempCycB--);
 };
}
💿 文件大小 4 K
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