基于C51的LCD12864的程序

#include <reg51.h>

#include <intrins.h>

//#include <at89x51.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--);

};

}