12864无字库液晶屏单片机驱动程序 -

标题: 12864无字库液晶屏单片机驱动程序 [打印本页]

作者: 大神带你飞6688 时间: 2016-11-13 13:01
标题: 12864无字库液晶屏单片机驱动程序
#include <reg51.h>
#include <intrins.h>
//#include <at89x51.h>

sbit LCD_RS=P3^5;//定义引脚
sbit LCD_RW=P3^6;
sbit LCD_E=P3^4;
sbit PSB =P3^7;             //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 P0

#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[] = {"大雄电子营业部"};
code unsigned char  net[] = {"ic2012.taobao.co"};
code unsigned char  mcu[] = {"专业元件供应商！"};
code unsigned char  qq[] = {"  QQ: 571630059 "};
code unsigned char tmp[]={//128*64点阵图形数据
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,
0X00,0X00,0X00,0X1E,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X5F,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0XFF,0XC0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X01,0XFF,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X01,0XE1,0XFF,0XE0,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X0F,0XF9,0XFF,0XEF,0XF0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X1F,0XFD,0XFF,0XFF,0XF8,0X00,0X00,0X18,0X00,0X87,0X00,0X18,0X00,0X00,0XC0,
0X00,0X1F,0XFE,0XFF,0XFF,0XF8,0X00,0X00,0X18,0X01,0X8D,0X80,0X18,0X01,0XF7,0XC0,
0X00,0X3F,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X18,0X01,0X8D,0XA0,0X18,0X00,0X03,0X80,
0X00,0X3F,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X18,0X27,0XFF,0XF1,0XFF,0XC0,0X06,0X00,
0X00,0X3F,0XFF,0XFF,0XFF,0XFC,0X00,0X03,0XFF,0XF1,0X9D,0X01,0X08,0XC0,0X0C,0X00,
0X00,0X3F,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X18,0X01,0X7D,0X61,0X18,0XC0,0X08,0X60,
0X00,0X1F,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X18,0X01,0XDF,0XE1,0XFF,0XC7,0XFF,0XF0,
0X00,0X1F,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X1C,0X03,0XED,0X01,0X18,0XC0,0X08,0X00,
0X00,0X1F,0XFF,0X01,0XFF,0XF8,0X00,0X00,0X16,0X02,0X8D,0X61,0X18,0XC0,0X08,0X00,
0X00,0X0F,0XFE,0X00,0XFF,0XF8,0X00,0X00,0X32,0X02,0XAD,0X81,0XFF,0XC0,0X08,0X00,
0X00,0X07,0XF8,0X00,0X3F,0XD0,0X00,0X00,0X23,0X07,0X3D,0X01,0X18,0X20,0X08,0X00,
0X00,0XFD,0XF8,0X00,0X3F,0XE0,0X00,0X00,0X61,0X85,0XFD,0X20,0X18,0X20,0X08,0X00,
0X01,0XFF,0XF0,0X00,0X1F,0X40,0X00,0X00,0X80,0XF0,0X0F,0XE0,0X18,0X20,0X78,0X00,
0X03,0XFF,0XF0,0X00,0X0F,0X80,0X00,0X03,0X00,0X60,0X0C,0X00,0X0F,0XE0,0X18,0X00,
0X03,0XFF,0XE0,0X00,0X0F,0XF0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X07,0XFF,0XE0,0X00,0X0F,0XF4,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X07,0XFF,0XE0,0X00,0X0F,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X07,0XFF,0XE0,0X00,0X0F,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X03,0XFF,0XE0,0X00,0X0F,0XFF,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X03,0XFF,0XE0,0X00,0X1F,0XFF,0XC0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X03,0XFF,0XF0,0X00,0X1F,0XFF,0XC0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X01,0XFF,0XF0,0X00,0X3F,0XFF,0XC0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X01,0XFF,0XF8,0X00,0X7F,0XFF,0XC0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0XFF,0XFC,0X00,0XFF,0XFF,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X3F,0XFF,0X87,0XFF,0XFF,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFF,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X03,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X01,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0XFE,0X77,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X70,0X01,0XF0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X70,0X0F,0XFC,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X70,0X3F,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X78,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X1F,0XFC,0X79,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X7F,0XFF,0X39,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0XFF,0XFF,0XFD,0XFF,0XFC,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0XFF,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0XFF,0XFF,0XFF,0XFF,0XF0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X7F,0XFF,0XFE,0XFF,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X3F,0XFF,0XEF,0X7E,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X0F,0XFF,0XEF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X07,0XFF,0XC7,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X01,0XFF,0X83,0XC0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X1E,0X01,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X01,0XF0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X60,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,};

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(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);
            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);
            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--);
};
}

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