12864液晶显示程序
12864液晶屏幕使用说明及程序
12864使用说明一、串/并接口1.1 串口接口管脚信号*注释1：如在实际应用中仅使用并口通讯模式，可将PSB 接固定高电平。
*注释2：模块内部接有上电复位电路，因此在不需要经常复位的场合可将该端悬空。
*注释3：如背光和模块共用一个电源，可以将模块上的JA、JK 用焊锡短接。
1.2 并行接口管脚信号*注释1：如在实际应用中仅使用并口通讯模式，可将PSB 接固定高电平。
*注释2：模块内部接有上电复位电路，因此在不需要经常复位的场合可将该端悬空。
*注释3：如背光和模块共用一个电源，可以将模块上的JA、JK 用焊锡短接。
二、模块主要硬件构成说明控制器接口信号说明：2.1、RS，R/W的配合选择决定控制界面的4种模式：2.2、E信号●忙标志BFBF 标志提供内部工作情况.BF=1 表示模块在进行内部操作,此时模块不接受外部指令和数据.BF=0 时, 模块为准备状态,随时可接受外部指令和数据.利用STATUS RD 指令,可以将BF 读到DB7 总线,从而检验模块之工作状态.●字型产生ROM（CGROM）字型产生ROM（CGROM）提供8192 个此触发器是用于模块屏幕显示开和关的控制。
DFF=1 为开显示（DISPLAY ON),DDRAM 的内容就显示在屏幕上，DFF=0 为关显示（DISPLAY OFF)。
DFF 的状态是指令DISPLAY ON/OFF 和RST 信号控制的。
●显示数据RAM（DDRAM）模块内部显示数据 RAM 提供 64×2 个位元组的空间，最多可控制 4 行 16 字（64 个字）的中文字型显示，当写入显示数据 RAM 时，可分别显示 CGROM 与CGRAM 的字型；此模块可显示三种字型，分别是半角英、数字型(16*8)、CGRAM 字型及 CGROM 的中文字型。
三种字型的选择，由在 DDRAM 中写入的编码选择，在0000H—0006H 的编码中（其代码分别是0000、0002、0004、0006 共4 个）将选择 CGRAM 的自定义字型，02H—7FH 的编码中将选择半角英数字的字型，至于A1 以上的编码将自动的结合下一个位元组，组成两个位元组的编码形成中文字型的编码BIG5（A140—D75F），GB（A1A0-F7FFH）。
12864液晶显示器(ST7920)显示程序(并口)
12864液晶显示器(ST7920)显示程序(并口) 附字模软件作者：纪小年16 七月2009 时间：下午10:25 and have 10 条评论前两天写了一个ST7920控制12864显示的串口程序，今天瞎逛的时候发现了这个超强悍的并口程序，转载一下。
来源：CnChina做了比较详细的注释，看不懂的可以问我。
下面的图片中12864所显示的logo就是我用这个程序得到的。
附程序：/******************************************************************** **********Copyright 2007All rights reserved.文件名： .c模块名称：st7920 并行方式驱动12864液晶驱动功能概要：st7920显示驱动取代版本：0.0.1修改人：pulan完成日期：2007.07.08升级说明：createCPU: stc89c58 主频：11.0592M液晶型号：128*64 生产厂家：驱动芯片：st7920********************************************************************* *********/#include#define uint unsigned int#define uchar unsigned char#define x1 0x80 //1000 0000#define x2 0x88 //1000 1000#define y 0x80 //1000 0000#define comm 0 //定义传送指令代码为0#define dat 1 //定义传送数据代码为1sbit RS = P2^0; //H=数据; L=指令;sbit RW = P2^1; //H=读操作; L=写操作;sbit E = P2^3; //使能端sbit PSB= P2^4; //H=并口; L=串口;sbit RST= P2^2; //复位信号低电平有效sbit busy=P0^7; //LCD忙信号void wr_lcd (uchar dat_comm,uchar content);void chk_busy (void);void delay (uint us);uchar code tab1[]={"本系列中文模块内""任意位置反白显示""置二级字库，可在""使用更方便更灵活"};uchar code tab31[]={"金鹏科技有限公司""Golden Palm TECH"};uchar code tab32[]={/*-- 调入了一幅图像：F:\梁\画图\HOCO12832.bmp --*//*-- 宽度x高度=128x32 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,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x1F,0x7C,0x20,0x40,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFE,0x1E,0x78,0x00,0x40,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFE,0x1E,0xF0,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xDA,0x3C,0xE0,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xF2,0x30,0x80,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xF1,0x20,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x7F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x3F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x1F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x72,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x78,0x00,0x00,0x00,0x00,0x00,0x00 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,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00};/******************************************************************** *********************** 函数名称：init_lcd* 功能描述：初始化LCD********************************************************************* *********************/void init_lcd (void){RST = 1;PSB = 1;wr_lcd(comm,0x30); //0011 0000 扩充功能设定——8位数据基本指令操作wr_lcd(comm,0x01); //0000 0001 清屏——将DDRAM填满"20H",并且设定DDRAM的地址计数器为"00H"wr_lcd(comm,0x06); //0000 0110 进入点设定——指定在数据的读取与写入时,设定游标的移动方向wr_lcd(comm,0x0c); //0000 1100 游标或显示移位控制——开显示，关游标}/******************************************************************** *********************** 函数名称：chn_disp* 功能描述：显示汉字或字符********************************************************************* *********************/void chn_disp(uchar code *chn){uchar i,j; //i为横坐标,j为纵坐标wr_lcd(comm,0x30); //0011 0000 扩充功能设定——8位数据基本指令操作wr_lcd(comm,0x80); //1000 0000 设定DDRAM地址——0000000for(j=0;j<4;j++) //写四行数据{for(i=0;i<16;i++)wr_lcd(dat,chn[j*16+i]);}}/******************************************************************** *********************** 函数名称：chn_disp1* 功能描述：上半屏显示汉字或字符********************************************************************* *********************/void chn_disp1(uchar code *chn){uchar i,j;wr_lcd(comm,0x30); //0011 0000 扩充功能设定——8位数据基本指令操作wr_lcd(comm,0x80); //1000 0000 设定第一行的DDRAM 地址——0x80j=0; //第一行for(i=0;i<16;i++)wr_lcd(dat,chn[j*16+i]);wr_lcd(comm,0x90); //1001 0000 设定第二行的DDRAM 地址——0x90j=1; //第二行for(i=0;i<16;i++)wr_lcd(dat,chn[j*16+i]);}/******************************************************************** *********************** 函数名称：img_disp* 功能描述：显示图形********************************************************************* *********************/void img_disp(uchar code *img){uchar i,j;for(j=0;j<32;j++) //绘制上半屏{for(i=0;i<8;i++){wr_lcd(comm,0x34); //0011 0100 扩充功能设定——8位数据扩充指令操作绘图开wr_lcd(comm,y+j); //1xxx xxxx 设定绘图RAM——先设定垂直(列)地址AC6 AC5…AC0wr_lcd(comm,x1+i); //1000 0xxx 设定绘图RAM——再设定水平(行)地址AC3AC2AC1AC0wr_lcd(comm,0x30); //0011 0000 扩充功能设定——8位数据基本指令操作wr_lcd(dat,img[j*16+i*2]);wr_lcd(dat,img[j*16+i*2+1]);}}for(j=32;j<64;j++) //绘制下半屏{for(i=0;i<8;i++){wr_lcd(comm,0x34); //0011 0100 扩充功能设定——8位数据扩充指令操作绘图开wr_lcd(comm,y+j-32); //1xxx xxxx 设定绘图RAM——先设定垂直(列)地址AC6 AC5…AC0wr_lcd(comm,x2+i); //1000 1xxx 设定绘图RAM——再设定水平(行)地址AC3AC2AC1AC0wr_lcd(comm,0x30); //0011 0000 扩充功能设定——8位数据基本指令操作wr_lcd(dat,img[j*16+i*2]);wr_lcd(dat,img[j*16+i*2+1]);}}wr_lcd (comm,0x36); //0011 0110 扩充功能设定——8位数据扩充指令操作绘图关}/******************************************************************** *********************** 函数名称：img_disp1* 功能描述：下半屏显示图形********************************************************************* *********************/void img_disp1(uchar code *img){uchar i,j;for(j=0;j<32;j++){for(i=0;i<8;i++){wr_lcd(comm,0x34);wr_lcd(comm,y+j);wr_lcd(comm,x2+i);wr_lcd(comm,0x30);wr_lcd(dat,img[j*16+i*2]);wr_lcd(dat,img[j*16+i*2+1]);}}wr_lcd(comm,0x36);}/******************************************************************** *********************** 函数名称：lat_disp* 功能描述：显示点阵********************************************************************* *********************/void lat_disp(uchar data1,uchar data2){uchar i,j,k,x;x=x1; //1000 0000for(k=0;k<2;k++) //第一次循环x=1000 0000 第二次循环x=1000 1000{for(j=0;j<16;j++){for(i=0;i<8;i++){wr_lcd(comm,0x34); //0011 0100 扩充功能设定——8位数据扩充指令操作绘图开wr_lcd(comm,y+j*2);wr_lcd(comm,x+i);wr_lcd(comm,0x30);wr_lcd(dat,data1);wr_lcd(dat,data1);}for(i=0;i<8;i++){wr_lcd(comm,0x34);wr_lcd(comm,y+j*2+1);wr_lcd(comm,x+i);wr_lcd(comm,0x30);wr_lcd(dat,data2);wr_lcd(dat,data2);}}x=x2;}wr_lcd(comm,0x36);}/******************************************************************** *********************** 函数名称：con_disp* 功能描述：当data1=0xff,data2=0xff时,在x0,y0处反白显示16xl*yl ********************************************************************* *********************/void con_disp(uchar data1,uchar data2,uchar x0,uchar y0,uchar xl,uchar yl){uchar i,j;for(j=0;j< pre> 。
单片机制作的12864液晶万年历_C语言程序
#include<reg52.H>#include<intrins.h>#include<math.h>////////////////////////////////////////DS18B20#define uchar unsigned char#define uint unsigned intsbit DQ = P1 ^ 0; // 定义DS18B20的单总线#define Lcd_Bus P0sbit LCD_RS=P2^7; //数据/命令选择sbit LCD_RW=P2^6; //读写控制sbit LCD_EN=P2^5; //片选信号#define LCD_DA TA P0 //8 bit数据线#define LOW 0#define HIGH 1//初始化指令#define CLEAR_SCREEN 0x01 //清屏指令：清屏且AC值为00H#define AC_INIT 0x02 //将AC设置为00H。
且游标移到原点位置#define CURSE_ADD 0x06 //设定游标移到方向及图像整体移动方向（默认游标右移，图像整体不动）#define FUN_MODE 0x30 //工作模式：8位基本指令集#define DISPLAY_ON 0x0c //显示开,显示游标，且游标位置反白#define DISPLAY_OFF 0x08 //显示关#define CURSE_DIR 0x14 //游标向右移动:AC=AC+1#define SET_CG_AC 0x40 //设置AC，范围为：00H~3FH#define SET_DD_AC 0x80#define FUN_MODEK 0x36 //扩展指令集，8位指令#define X1address 0x80 //上半屏X轴起始地址#define X2address 0x88 //下半屏X轴起始地址#define Y address 0x80 //Y轴起始地址#define Set_Column 0x40#define Set_Page 0xB8uchar code shu[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};uchar code xingqi[]="星期";uchar code hanzishu[]="一二三四五六日";unsigned char TempData = 0;double DS18B20Data;uint jiemian=0;//////////////////////////////////////////DS1302sbit DS1302_RST = P1^4;sbit DS1302_IO = P1^3;sbit DS1302_SCK = P1^2;unsigned char table[]={0X00,0X18,0X0c,0X15,0X06,0X01,0X0a};//0s 24min 12hour 14ri 5yue 5zhou 2010nianunsigned char data table1[7];//uchar code table2[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};uchar code shuzi[]={0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,0x3c,};unsigned char aa,bb;uchar miaoge,miaoshi,fenge,fenshi,shige,shishi,rige,rishi,yuege,yueshi,zhou,niange,nianshi;uchar shezhinum=0;//unsigned char shi,ge;////////////////////////////////////////////////键盘扫描sbit key_mnue = P3^7;sbit key_jia = P2^0;sbit key_jian = P2^1;sbit key_enter= P2^2;uchar key_number=0;//int nian,yue,ri,shi,fen;/////////////////////////////////////////////////红外sbit HW_IRQ = P3 ^ 2; // 定义38KHz一体化红外接收头与CPU的连接unsigned char DT;static unsigned char data IRCode[3],IRCON,IRCON2;//////////////////////////////////////////////////蜂鸣器sbit BEEP =P1^1;/****************************************************************************** *************** 函数名称：DS18B20_Delay()* 功能：DS18B20软件延时专用* 入口参数：count 延时参数，值越大，延时越长* 出口参数：无******************************************************************************* **************/void DS18B20_Delay(uint count) //延时函数{while(count--);}/****************************************************************************** *************** 函数名称：DS18B20_Init()* 功能：DS18B20初始化* 入口参数：无* 出口参数：返回值为1则初始化成功* 返回值为0则初始化失败******************************************************************************* **************/uchar DS18B20_Init(void){uchar x = 0;DQ = 1; // DQ复位DS18B20_Delay(8); // 稍做延时DQ = 0; // 单片机将DQ拉低DS18B20_Delay(80); // 精确延时，大于480usDQ = 1; // 拉高总线DS18B20_Delay(14); // 稍做延时后x = DQ; // 若x=0则初始化成功，若x=1则初始化失败DS18B20_Delay(20);return (~x);}/****************************************************************************** *************** 函数名称：DS18B20_Read1Byte()* 功能：从DS18B20读一个字节* 入口参数：无* 出口参数：从DS18B20读出的一个字节******************************************************************************* **************/uchar DS18B20_Read1Byte(void){uchar i = 0;uchar dat = 0;for(i=8;i>0;i--){DQ = 0; // 给脉冲信号dat >>= 1;DQ = 1; // 给脉冲信号if(DQ) dat |= 0x80;DS18B20_Delay(4);}return (dat);}/****************************************************************************** *************** 函数名称：DS18B20_Write1Byte()* 功能：向DS18B20写一个字节* 入口参数：dat 要写入DS18B20的一字节数据* 出口参数：无******************************************************************************* **************/void DS18B20_Write1Byte(uchar dat){uchar i = 0;for(i=8;i>0;i--){DQ = 0;DQ = dat&0x01;DS18B20_Delay(5);DQ = 1;dat>>=1;}}/****************************************************************************** *************** 函数名称：Read_Disp_Temperature()* 功能：读取并显示温度* 入口参数：无* 出口参数：无******************************************************************************* **************/double Read_Disp_Temperature(void){uint a = 0, b = 0, c = 0,d = 0,e = 0, t = 0;double tt = 0;DS18B20_Init();DS18B20_Write1Byte(0xCC); // 跳过读序号列号的操作DS18B20_Write1Byte(0x44); // 启动温度转换DS18B20_Init();DS18B20_Write1Byte(0xCC); // 跳过读序号列号的操作DS18B20_Write1Byte(0xBE); // 读取温度寄存器a = DS18B20_Read1Byte();b = DS18B20_Read1Byte();t = b;t <<= 8;t = t | a;//tt = t * 0.0625;return t;}//***************************************************************** //函数名称：delay(uint t)延时函数。
12864图形液晶显示器c程序
ｌｃｄ１２８６４图形液晶显示器ｃ程序#define _LCD12864_E//#include"lcd12864.h"#include"dtype.h"#include<reg52.h>sbit lcd_rw=P2^0;sbit lcd_rs=P2^1;sbit lcd_cs2=P2^2;sbit lcd_cs1=P2^3;sbit lcd_e=P3^0;sbit lcd_busy=P0^7;INT8U lcd_page_grobal,lcd_line_grobal; /** 函数名称：lcd_LScreen()* 函数功能：选择显示屏的左半屏*/ void lcd_LScreen(){lcd_cs2=0;lcd_cs1=1;}/** 函数名称：lcd_RScreen()* 函数功能：选择显示屏的右半屏*/ void lcd_RScreen(){lcd_cs1=0;lcd_cs2=1;}/** 函数名称：lcd_ChkBusy()* 函数功能：查询忙状态*/void lcd_ChkBusy(){while(lcd_busy){lcd_e=0;lcd_rs=0;lcd_rw=1;P0=0xff;lcd_e=1;lcd_e=0;}}/* 函数名称：lcd_WriteCmd()* 函数功能：写命令cmd--待写命令*/void lcd_WriteCmd(const INT8U cmd){lcd_ChkBusy();lcd_rs=0;lcd_rw=0;P0=cmd;lcd_e=1;lcd_e=0;}/* 函数名称：lcd_WriteData()* 函数功能：写数据dat--待写数据*/void lcd_WriteData(const INT8U dat){lcd_ChkBusy();lcd_rs=1;lcd_rw=0;P0=dat;lcd_e=1;lcd_e=0;}/* 函数名称：lcd_StartLine()* 函数功能：设定起始行line--列号* 说明：用户需自己保证行号的有效性*/ void lcd_StartLine(INT8U line){INT8U tmp;tmp=line;tmp=tmp|0x40;lcd_WriteCmd(tmp);}/* 函数名称：lcd_StartPage()* 函数功能：设定起始页* 入口参数：page--页号* 说明：用户需自己保证页号的有效性*/ void lcd_StartPage(INT8U page){INT8U tmp;tmp=page;tmp|=0xb8;lcd_WriteCmd(tmp);}/* 函数名称：lcd_Ready()* 函数功能：显示屏初始化*/void lcd_Ready(){INT8U i,j;lcd_LScreen();lcd_WriteCmd(0x3f); //开显示lcd_RScreen();lcd_WriteCmd(0x3f); //开显示lcd_LScreen();for(i=0;i<8;i++){lcd_StartPage(i);lcd_StartLine(0);for(j=0;j<64;j++){lcd_WriteData(0);}}lcd_RScreen();for(i=0;i<8;i++){lcd_StartPage(i);lcd_StartLine(0);for(j=0;j<64;j++){lcd_WriteData(0);}}}/** 函数名称：lcd_Display(INT8U *ptr) * 函数功能：16*16显示* 入口参数：*ptr--图片数据指针lcd_page_grobal--页地址lcd_line_grobal--列地址调用方法:lcd_page_grobal=xx;lcd_line_grobal=xx;ptr=&picture;lcd_Ready();lcd_Display(ptr);*/void lcd_Display(INT8U *ptr){INT8U i,j;lcd_StartPage(lcd_page_grobal);lcd_StartLine(lcd_line_grobal);for(i=0;i<16;i++){lcd_WriteData(*ptr);ptr++;}lcd_StartPage(lcd_page_grobal+1);lcd_StartLine(lcd_line_grobal);for(j=0;j<16;j++){lcd_WriteData(*ptr);ptr++;}}void main( void ){lcd_page_grobal=xx;lcd_line_grobal=xx;ptr=&picture;lcd_Ready();lcd_Display(ptr);}。
带字库12864液晶显示程序
#include <reg52.h>#include <intrins.h>#define uint unsigned int#define uchar unsigned char#define LCDdata P0//采用并行模式sbit E = P2^7;sbit RW = P2^6;sbit RS = P2^5;sbit RST = P2^4;sbit key1 = P2^0; //时、分、秒选择键sbit key2 = P2^1; //加一键sbit key3 = P2^2; //减一键void init();//void check_busy();void delayms(uint x);void write_com(uchar com);void write_data(uchar date);//void delay(uchar y);void t_bcd();void disp_time();void t_time();uchar code string[]={"00时00分00秒"}; uchar code tab[] ={"长春工业大学"}; uchar code tab1[]={"人文信息学院"}; uchar code tab2[]={"electronic 沈琦"};uchar time[6];//显示缓冲区uchar count;char sec,min,hour;//--------------主函数-----------------void main(){init();while(1){if(count == 200){count = 0;sec++;if(sec == 60){sec = 0;min++;if(min == 60){min = 0;hour++;if(hour == 24){hour = 0;}}}t_bcd();disp_time();}t_time();}}//-------------初始化----------------void init(){uchar i;// RST = 0;// delayms(1);// RST = 1;// delayms(40);write_com(0x30);write_com(0x0f);write_com(0x01);write_com(0x81);for(i=0;i<12;i++){write_data(string[i]);delayms(5);}write_com(0x90);for(i=0;i<16;i++){write_data(tab[i]);delayms(5);}write_com(0x8a);for(i=0;i<12;i++){write_data(tab1[i]);delayms(5);}write_com(0x98);for(i=0;i<16;i++){write_data(tab2[i]);delayms(5);}TMOD = 0x01;TH0 = (65536-5000)/256;TL0 = (65536-5000)%256;EA = 1;ET0 = 1;TR0 = 1;write_com(0x0c);}//------------毫秒延时--------------- void delayms(uint x){uchar i;while(x--){for(i=0;i<120;i++);}}/*//--------------判忙程序--------------- void check_busy(){// LCDdata = 0xff;RS = 0;RW = 1;// E = 0;E = 1;LCDdata = 0xff;while(LCDdata&0x80);E = 0;}*///------------写命令----------------- void write_com(uchar com){// check_busy();RS = 0;RW = 0;E = 0;LCDdata = com;// delayms(5);E = 1;delayms(5);E = 0;}//-------------写数据------------------ void write_data(uchar date){// check_busy();RS = 1;RW = 0;E = 0;LCDdata = date;// delayms(5);E = 1;delayms(5);E = 0;}//-----------定时中断0------------- void timer0() interrupt 1{TH0 = (65536-5000)/256;TL0 = (65536-5000)%256;count++;}void t_bcd(){time[0] = sec%10;time[1] = sec/10;time[2] = min%10;time[3] = min/10;time[4] = hour%10;time[5] = hour/10;}//--------------时钟时间显示----------------- void disp_time(){write_com(0x85);write_data(0x30+time[1]);write_data(0x30+time[0]);write_com(0x83);write_data(0x30+time[3]);write_data(0x30+time[2]);write_com(0x81);write_data(0x30+time[5]);write_data(0x30+time[4]);}//------------调整时间程序--------------- void t_time(){static uchar num;if(key1 == 0){delayms(5);while(!key1);TR0 = 0;num++;}//-----------------调时-----------------if(num == 1){write_com(0x81);write_com(0x0f);if(key2 == 0){delayms(5);if(key2 == 0){while(!key2);hour++;if(hour == 24){hour = 0;}t_bcd();write_data(0x30+time[5]);write_data(0x30+time[4]);}}if(key3 == 0){delayms(5);if(key3 == 0){while(!key3);hour--;if(hour == -1){hour = 23;}t_bcd();write_data(0x30+time[5]);write_data(0x30+time[4]);}}}//-----------------调分----------------------if(num == 2){write_com(0x83);if(key2 == 0){delayms(5);if(key2 == 0){while(!key2);min++;if(min == 60){min = 0;}t_bcd();write_data(0x30+time[3]);write_data(0x30+time[2]);}}if(key3 == 0){delayms(5);if(key3 == 0){while(!key3);min--;if(min == -1){min = 59;}t_bcd();write_data(0x30+time[3]);write_data(0x30+time[2]);}}}//---------------调秒------------------if(num == 3){write_com(0x85);if(key2 == 0){delayms(5);if(key2 == 0){while(!key2);sec++;if(sec == 60){sec = 0;}t_bcd();write_data(0x30+time[1]);write_data(0x30+time[0]);}}if(key3 == 0){delayms(5);if(key3 == 0){while(!key3);sec--;if(sec == -1){sec = 59;}t_bcd();write_data(0x30+time[1]);write_data(0x30+time[0]);}}}//---------------退出调整时间----------------- if(num == 4){num = 0;write_com(0x0c);TR0 = 1;}}。
12864液晶程序
/*12864并行接口参考程序，控制器st7920*/#include <reg51.h>#include <intrins.h>#define uchar unsigned charsbit RES = P0^7;sbit PSB = P0^6; //串并口选择sbit E = P0^5;sbit RW = P0^4;sbit RS = P0^3;uchar h,l,ii;//延时子程序void delay(unsigned int t) //t=10,约1ms { unsigned int i,j;for(i=0;i<t;i++)for(j=0;j<10;j++);}//测忙void chk_busy(){ RS=0;RW=1;E=1;while((P2&0x80)==0x80);E=0;}//写数据void lcdwd(unsigned char dispdata){ chk_busy();RS=1;RW=0;E=1;P2=dispdata;delay(5);E=0;}//写指令代码void lcdwc(unsigned char cmdcode){ chk_busy();RS=0;RW=0;E=1;P2=cmdcode;delay(5);E=0;}//初始化void lcdreset(){ delay(2000);lcdwc(0x30); //选择基本指令集lcdwc(0x30); //选择8bit数据流delay(5);lcdwc(0x0c); //开显示(有游标、不反白)delay(5);lcdwc(0x01); //清除显示，并且设定地址指针为00Hdelay(5);lcdwc(0x07); //指定在资料的读取及写入时，设定游标的移动方向及指定显示的移位}void hzkdis(unsigned char code *s){ while(*s>0){ lcdwd(*s);s++;delay(500);}}void hzklib(){lcdwc(0x80);hzkdis("桂林电子科技大学");lcdwc(0x91);hzkdis("0900840115");lcdwc(0x8a);hzkdis("hyg");lcdwc(0x9b);hzkdis("男");}void lcdfill(unsigned char disdata) //纵条纹显示{ unsigned char x,y,ii;for(ii=0;ii<9;ii+=8) //ii作用:地址0x80为前32行的列首地址,0x88为后32行的列首地址for(y=0;y<0x20;y++)for(x=0;x<8;x++){ lcdwc(0x36); //8bit控制界面，扩充指令集，绘图开lcdwc(y+0x80); //第一写的为行地址，y为1bitlcdwc(x+0x80+ii); //后写的为列地址，x为1字节lcdwc(0x30); //8bit 控制界面，基本指令集，绘图关lcdwd(disdata);lcdwd(disdata);}}void lcdfill_upright(unsigned char disdata) //横条{ unsigned char x,y,ii;unsigned char i,f,k;for(ii=0;ii<9;ii+=8)for(y=0;y<4;y++){ f=disdata;for(i=0;i<8;i++){ if((f&0x80)==0x80)k=0xff;elsek=0;for(x=0;x<8;x++){ lcdwc(0x36);lcdwc(y*8+i+0x80);lcdwc(x+0x80+ii);lcdwc(0x30);lcdwd(k);lcdwd(k);}f<<=1;}}}main(){delay(10);RES=1;PSB=1;lcdreset(); //初始化LCD屏while(1){lcdwc(0x01);delay(500);lcdfill(0x80); //纵条纹显示delay(5000);lcdfill_upright(0x20); //横条delay(5000);lcdfill(0x00);hzklib();delay(10000);}}。
12864液晶显示程序
/*****************************************************************/ /* */ /*名称：12864液晶移动显示*/ /*功能：12864液晶移动显示*/ /* E-mail:********************//*编写日期：2009.07 *//*****************************************************************/ #include <reg51.h>#include <intrins.h>#define uchar unsigned char#define uint unsigned intsbit LCD_RS = P2^0;sbit LCD_RW = P2^1;sbit LCD_EN = P2^2;uchar code dis1[] = {"I LOVE 8051 MCU"};ucharcodedis2[]={"TEL:138****1069"};/*******************************************************************/ /*/* 延时子程序/*/*******************************************************************/void delay(int ms){int i;while(ms--){for(i = 0; i< 250; i++){_nop_();_nop_();_nop_();_nop_();}}}/*******************************************************************/ /*/*检查LCD忙状态/*lcd_busy为1时，忙，等待。
12864液晶显示程序
{
if(wait_en) //若wait_en为1，则要检测LCD忙信号
lcd_busy();
PORTC &=~(1<<LCD_RS);
PORTC &=~(1<<LCD_RW);
This program was produced by the
CodeWizardAVR V2.04.4a Advanced
Automatic Program Generator
?Copyright 1998-2009 Pavel Haiduc, HP InfoTech s.r.l.
**********************************************************/
void lcd_init(void)
{ DDRB=0XFF; //设置PA输出 PORTB=0XFF; //全部加上上拉电阻
DDRC=0XFF; //设置PC为输出
PORTC=0XFF; //全部加上上拉电阻
delay_ms(30); //等待上电稳定
PORTC|=(1<<LCD_PSB); //并口方式
PORTC &=~(1<<LCD_RST); //液晶复位
{X=0x80;}
else if (X==2) //第二行
{X=0x90;}
else if (X==3) //第三行
{X=0x88;}
else if (X==4) //第四行
{X=0x98;}
PORTC |=(1<<LCD_EN);
LCD12864显示程序(汇编语言)
;实验目的：熟悉12864LCD的利用;12864LCD带中文字库;编程让12864LCD显示公司名称“深圳乾龙盛电子”，公司“0975”，公司“6”;硬件设置：;关断所有拨码开关。
#include<>;__CONFIG_DEBUG_OFF&_CP_ALL&_WRT_HALF&_CPD_ON&_LVP_OFF&_BODEN_OFF&_PWRTE_ON&_WDT_ OFF&_HS_OSC;芯片配置字，看门狗关，上电延时开，掉电检测关，低压编程关，加密，4M晶体HS振荡#define RS PORTA,5 ;命令/数据选择#DEFINE RW PORTA,4 ;读/写选择#DEFINE E PORTA,3 ;使能信号#DEFINE PSB PORTA,2 ;并口/串口选择（H/L）#DEFINE RST PORTA,0 ;复位信号;-----------------------------------------------LCD_X EQU 30H ;页地址LCD_Y EQU 31H ;Y地址COUNT EQU 32H ;循环计数用COUNT1 EQU 33H ;循环计数用COUNT2 EQU 34H ;循环计数用POINT EQU 35H ;查表偏移地址POINT1 EQU 36H ;查表偏移地址TEMP EQU 38H ;临时寄放器TEMP1 EQU 39H ;临时寄放器;-----------------------------------------------ORG 0000H ;复位地址NOP ;ICD需要的空指令GOTO MAIN ;跳转到主程序;**********************主程序************************MAINBANKSEL TRISACLRF TRISA ;A口输出CLRF TRISD ;D口输出BANKSEL ADCON1MOVLW 06HMOVWF ADCON1 ;A口全为数字口CLRF STATUSBCF RST ;复位LCDCALL DELAY ;延时一段时刻BSF RST ;清除复位信号NOPBSF PSB ;并口通信;**************************初始化********************** MOVLW 30H ;大体指令操作CALL SEND_ICALL SEND_IMOVLW 06H ;指定在写入或读取时，光标的移动方向CALL SEND_IMOVLW 0CH ;开显示，关光标，不闪烁CALL SEND_I;***********************显示汉字************************HAN_WR2CALL CLEAR_P ;清屏HAN_WR2A ;“深圳乾龙盛电子”MOVLW LOW(TAB1A)MOVWF POINTMOVLW HIGH(TAB1A)MOVWF POINT1 ;获取表格的首地址MOVLW 0eH ;数数据字节个数（7个汉字共14字节）MOVWF COUNTMOVLW 81H ;页地址CALL SEND_ICALL QUSHUHAN_WR2B ;“WWW。
12864LCD液晶显示屏程序(南京航空航天大学金城学院)
附：实验箱程序#include<reg52.h>#include<ABSACC.H>typedef unsigned char uchar;typedef unsigned int uint;#define LLCD_CMD_WR XBYTE[0xfe04] //地址需根据实际情况计算改变（下同）#define LLCD_CMD_RD XBYTE[0xfe06]#define LLCD_DATA_WR XBYTE[0xfe05]#define LLCD_DATA_RD XBYTE[0xfe07]#define RLCD_CMD_WR XBYTE[0xfe00]#define RLCD_CMD_RD XBYTE[0xfe02]#define RLCD_DATA_WR XBYTE[0xfe01]#define RLCD_DATA_RD XBYTE[0xfe03]sbit busy=P0^7;code uchar hanzil[]={0x08,0x64,0x23,0xA6,0xAA,0xA2,0xAA,0xB4,0xA3,0xA2,0xA6,0x2A,0x22,0x62,0x20,0x00,0x00,0x00,0x00,0xFF,0x4A,0x4A,0x4A,0x4A,0x4A,0x4A,0x4B,0xF8,0x00,0x00,0x00,0x00,/*"管",0*/0x42,0x42,0xFE,0x42,0x42,0x00,0x40,0x5E,0x50,0xD0,0x5F,0x50,0x50,0x5E,0x40,0x00,0x10,0x10,0x0F,0x08,0x04,0x00,0xFF,0x01,0x01,0x7F,0x01,0x3F,0x41,0x81,0x7F,0x00,/*"瑞",1*/0x00,0x00,0x60,0x50,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x98,0xF0,0x70,0x00,0x00,0x00,0x00,0x20,0x30,0x28,0x28,0x24,0x24,0x22,0x22,0x21,0x20,0x30,0x18,0x00,0x00,/*"2",0*/0x00,0x00,0x00,0x60,0x90,0x08,0x08,0x10,0x20,0x10,0x08,0x08,0x90,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x04,0x02,0x01,0x00,0x00,0x00,0x00,/*"心",0*/0x00,0x00,0x00,0x60,0x90,0x08,0x08,0x10,0x20,0x10,0x08,0x08,0x90,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x04,0x02,0x01,0x00,0x00,0x00,0x00,/*"心",0*/0x00,0xE0,0xF0,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x18,0x10,0xF0,0xC0,0x00,0x00,0x00,0x00,0x11,0x33,0x22,0x22,0x22,0x22,0x22,0x32,0x11,0x1D,0x0F,0x03,0x00,0x00,/*"9",3*/0x00,0x00,0x00,0x60,0x90,0x08,0x08,0x10,0x20,0x10,0x08,0x08,0x90,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x04,0x02,0x01,0x00,0x00,0x00,0x00,/*"心",0*/0x00,0x00,0x30,0x30,0x08,0x08,0x88,0x88,0x88,0x88,0x58,0x70,0x30,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x20,0x20,0x20,0x20,0x20,0x20,0x31,0x11,0x1F,0x0E,0x00,0x00,/*"3",5*/0x00,0x00,0x30,0x30,0x08,0x08,0x88,0x88,0x88,0x88,0x58,0x70,0x30,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x20,0x20,0x20,0x20,0x20,0x20,0x31,0x11,0x1F,0x0E,0x00,0x00,/*"3",6*/0x00,0x00,0x60,0x50,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x98,0xF0,0x70,0x00,0x00,0x00,0x00,0x20,0x30,0x28,0x28,0x24,0x24,0x22,0x22,0x21,0x20,0x30,0x18,0x00,0x00,/*"2",7*/0x00,0x00,0x60,0x50,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x98,0xF0,0x70,0x00,0x00,0x00,0x00,0x20,0x30,0x28,0x28,0x24,0x24,0x22,0x22,0x21,0x20,0x30,0x18,0x00,0x00,/*"2",8*/0x00,0x00,0x30,0x30,0x08,0x08,0x88,0x88,0x88,0x88,0x58,0x70,0x30,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x20,0x20,0x20,0x20,0x20,0x20,0x31,0x11,0x1F,0x0E,0x00,0x00,/*"3",9*/0x00,0x00,0x20,0x10,0x08,0x10,0x20,0x00,0x00,0x20,0x10,0x08,0x10,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x04,0x08,0x08,0x04,0x02,0x00,0x00,0x00,0x00,0x00,/*"未命名文件",0*/};void lcd_cmd_wr(uchar cmdcode,uchar right);void lcd_data_wr(uchar ldata,uchar right);void lcd_busy_rd(uchar right);void lcd_hanzi_wr(uchar posx,uchar posy,uchar *hanzi);void lcd_str_wr(uchar row,uchar col,uchar n,uchar *str);void lcd_rol();void lcd_init();void delay(uint nms);void main(){lcd_init();lcd_str_wr(1,1,13,hanzil); //起始行、列、汉字长度delay(100);while(1){lcd_rol();delay(1000);}}void lcd_cmd_wr(uchar cmdcode,uchar right) {lcd_busy_rd(right);if(right==1){ RLCD_CMD_WR=cmdcode; }else{ LLCD_CMD_WR=cmdcode; }}void lcd_data_wr(uchar ldata,uchar right) {lcd_busy_rd(right);if(right==1){RLCD_DATA_WR=ldata;}else{LLCD_DATA_WR=ldata;}}void lcd_busy_rd(uchar right){if(right==0)RLCD_CMD_RD;elseLLCD_CMD_RD;}void delay(uint nms){uint i;for(;nms>0;nms--)for(i=0;i<500;i++);}void lcd_init(void) //LCD初始化子程序{uint k,m;lcd_cmd_wr(0x3e+1,0);lcd_cmd_wr(0xc0+0,0);lcd_cmd_wr(0xb8+0,0);lcd_cmd_wr(0x40+0,0);lcd_cmd_wr(0x3e+1,1);lcd_cmd_wr(0xc0+0,1);lcd_cmd_wr(0x40+0,1);lcd_cmd_wr(0xb8+0,1);for(k=0;k<8;k++) //页循环{for(m=0;m<64;m++) //列循环{lcd_data_wr(0x00,0);lcd_data_wr(0x00,1);}lcd_cmd_wr(0xb8+k+1,0);lcd_cmd_wr(0x40+0,0);lcd_cmd_wr(0xb8+k+1,1);lcd_cmd_wr(0x40+0,1);}}void lcd_hanzi_wr(uchar posx,uchar posy,uchar*hanzi) //显示汉字子程序{uchar i;if(posy<4) //左半屏{lcd_cmd_wr(0xb8+2*posx,0);lcd_cmd_wr(0x40+16*posy,0);for(i=0;i<16;i++){lcd_data_wr(hanzi[i],0);}lcd_cmd_wr(0xb8+2*posx+1,0);lcd_cmd_wr(0x40+16*posy,0);for(i=16;i<32;i++){lcd_data_wr(hanzi[i],0);}}else //右半屏{lcd_cmd_wr(0xb8+posx*2,1);lcd_cmd_wr(0x40+16*(posy-4),1);for(i=0;i<16;i++){lcd_data_wr(hanzi[i],1);}lcd_cmd_wr(0xb8+2*posx+1,1);lcd_cmd_wr(0x40+16*(posy-4),1);for(i=16;i<32;i++){lcd_data_wr(hanzi[i],1);}}}void lcd_str_wr(uchar row,uchar col,uchar n,uchar*str) {uchar i;for(i=0;i<n;i++){if(col>7){row++;col=col-8;}lcd_hanzi_wr(row,col,str+i*32);col++;}}void lcd_rol(void) //滚动上移子程序{uchar i;for(i=0;i<64;i++){lcd_cmd_wr(0xc0+i,0);lcd_cmd_wr(0xc0+i,1);delay(10);}}PROTEUS仿真实验现象。
12864液晶显示程序
12864液晶显示程序#include <reg51.h>#include <intrins.h>sbit RS = P2^5;sbit RW = P2^6;sbit E = P2^7;sbit RES = P3^5;#define Lcd_Bus P0 //MCU P1<------> LCM#define FIRST_ADDR 0 //定义字符/汉字显示起始位置unsigned char code zk[]={0x08,0x20,0x1c,0x10,0x1c,0x1c,0xff,0x9e,0x7f,0x1e,0x1c,0x1f,0x3e,0x1f,0x3e,0x1f, 0x77,0x1f,0x41,0x3f,0x00,0x7e,0x00,0xfe,0x83,0xfc,0x7f,0xf8,0x3f,0xf0,0x0f,0xc0, };unsigned char code BMP1[]={/*-- 调入了一幅图像：D:\3033B\3033.bmp --*//*-- 宽度x高度=128x64 --*//*--总共52行数据，每行16个数据--*/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, 0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x0C,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x08,0x00,0x00,0x00,0x00,0x00,0x07,0xF1,0x00,0x03,0x01,0x00,0xF0,0x00,0x00,0x00, 0x18,0x00,0x00,0x00,0x00,0x00,0x04,0x01,0x00,0x03,0x81,0x08,0x98,0x00,0x00,0x00, 0x10,0x1F,0x07,0x06,0x00,0x00,0x08,0x01,0x00,0x04,0x81,0x11,0x88,0x00,0x00,0x00, 0x10,0x21,0x0D,0x83,0xE3,0xC0,0x0F,0x02,0x00,0x04,0xC1,0x31,0x30,0x00,0x00,0x00, 0x10,0x21,0x18,0x83,0x06,0x40,0x09,0x82,0x00,0x0F,0xC1,0x21,0xE0,0x00,0x00,0x00, 0x10,0x2E,0x11,0x86,0x06,0x40,0x00,0x86,0x00,0x08,0x43,0xC3,0xE0,0x00,0x00,0x00, 0x30,0x30,0x11,0x86,0x04,0x40,0x41,0x84,0x10,0x18,0x63,0x82,0x18,0x00,0x00,0x00, 0x20,0x1E,0x1F,0x84,0x04,0x60,0x7E,0x04,0x08,0x10,0x23,0x04,0x0E,0x00,0x00,0x00, 0x3F,0x83,0x00,0xE0,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x02,0x00,0x00,0x00, 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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x38,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x6C,0x3C,0x00,0x20,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x42,0x22,0x03,0xFD,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x40,0x62,0x00,0x22,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x46,0x42,0x00,0x22,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x44,0x42,0x00,0x23,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x7C,0x26,0x00,0x2D,0xB0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x0C,0x3C,0x00,0x38,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x04,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x06,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x02,0x30,0x00,0x00,0x00,0x00,0x00,0x01,0xF0,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x00,0x03,0x18,0x08,0x0C,0x30,0xF1,0x08,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x08,0x08,0x0C,0x31,0x91,0x08,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x08,0x08,0x1A,0x71,0x01,0x08,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0x08,0x13,0xD1,0x01,0x08,0x00, 0x00,0x00,0x08,0x11,0x0A,0x00,0x20,0x20,0x04,0x04,0x18,0x11,0x91,0x01,0x08,0x00, 0x00,0x00,0x04,0x11,0x12,0x31,0x22,0x20,0x04,0x04,0x10,0x11,0x13,0x01,0x08,0x00, 0x00,0x00,0x02,0x1B,0x92,0x31,0x26,0x20,0x04,0x04,0x10,0x10,0x12,0x01,0x08,0x00, 0x3F,0xFF,0xFF,0x0A,0x91,0x73,0x25,0x60,0x04,0x44,0x10,0x10,0x12,0x01,0x08,0x00, 0x00,0x00,0x02,0x0A,0xB1,0x4A,0x35,0x40,0x04,0x34,0x30,0x10,0x13,0x01,0x08,0x00, 0x00,0x00,0x04,0x0E,0x61,0xCA,0x19,0x40,0x04,0x1C,0x20,0x10,0x11,0x19,0x98,0x00, 0x00,0x00,0x08,0x04,0x60,0xCC,0x19,0xCC,0x06,0x0E,0x20,0x10,0x11,0xF0,0xFC,0xC0, 0x00,0x00,0x00,0x04,0x60,0x8C,0x18,0x8C,0x03,0xF3,0xBF,0x80,0x00,0x00,0x00,0xC0, 0x00,0x00,0x00,0x00,0x40,0x80,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x83,0x80,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x06,0xC3,0xFC,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x08,0x22,0x44,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x08,0x22,0x42,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x08,0x26,0x42,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x08,0x24,0x42,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x48,0x64,0x42,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x19,0xC4,0x44,0x42,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x03,0x84,0x00,0x00,0x00, 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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, };/*------------------检查忙位-----------------------------*/void chk_busy(){ RS=0;RW=1;E=1;Lcd_Bus=0xff;while((Lcd_Bus&0x80)==0x80);E=0;}/*------------------延时子程序-----------------------------*/void delay(unsigned int t){ unsigned int i,j;for(i=0;i<t;i++)for(j=0;j<10;j++);}/*------------------写命令到LCD------------------------------*/void write_com(unsigned char cmdcode){chk_busy();RS=0;RW=0;E=1;Lcd_Bus=cmdcode;delay(5);////////////////////在数据写入的时候加入适当的延时E=0;delay(5);}/*-------------------写数据到LCD----------------------------*/void write_data(unsigned char Dispdata){chk_busy();RS=1;RW=0;E=1;Lcd_Bus=Dispdata;delay(5);///////////////////在数据写入的时候加入适当的延时E=0;delay(5);}/*------------------初始化LCD屏--------------------------*/void lcdreset(){ delay(2000);write_com(0x30);delay(10); //选择基本指令集write_com(0x30); //选择8bit数据流delay(5);write_com(0x0c); //开显示(无游标、不反白)delay(10);write_com(0x01); //清除显示，并且设定地址指针为00Hdelay(500);write_com(0x06); //指定在资料的读取及写入时，设定游标的移动方向及指定显示的移位delay(0);}/*------------------自定义一个字符代码(一个星星和月亮)--------------------------*/void CGRAM(){ int i;write_com(0x30);write_com(0x40);for(i=0;i<16;i++){write_data(zk[i*2]);write_data(zk[i*2+1]);}}/*------------------显示字符串--------------------------*/void hzkdis(unsigned char code *s){ while(*s>0){ write_data(*s);s++;delay(50);}}/*------------------首屏显示--------------------------*/void ceshi(){write_com(0x01);//清除显示，并且设定地址指针为00Hdelay(5);write_com(0x80);//第一行（如果是地址是：80H，即LCD的第一行的第一个位置显示）hzkdis("----强林单片机");write_com(0x90);//第二行（如果是地址是：90H，即LCD的第二行的第一个位置显示）hzkdis("--技术项目交易网");write_com(0x88);//第三行（如果是地址是：88H，即LCD的第二行的第一个位置显示）hzkdis("LCD12864点阵液晶");write_com(0x9A);//第四行（如果是地址是：98H，即LCD的第二行的第一个位置显示）hzkdis("测试程序");}/*------------------显示图片------------------------2005.11.14.21:20修改---benladn911---*/void Disp_Img(unsigned char code *img){ unsigned int j=0;unsigned char x,y,i;for(i=0;i<9;i+=8)for(y=0;y<32;y++)/*原来为 y<26 ,上下两个半屏不能正常对接显示，导致显示的图片中间有空隙*/ for(x=0;x<8;x++){ write_com(0x36);//功能设置---8BIT控制界面，扩充指令集write_com(y+0x80); //行地址write_com(x+0x80+i); //列地址write_com(0x30);write_data(img[j++]);write_data(img[j++]);}}/*------------------清整个GDRAM空间----------------------------*/void clrgdram(){ unsigned char x,y;for(y=0;y<64;y++)for(x=0;x<16;x++){ write_com(0x34);write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(0x00);write_data(0x00);}}/*------------------整屏写入数据:全亮，或者竖条-----------------------------*/void lcdfill(unsigned char disdata){ unsigned char x,y;for(y=0;y<32;y++)for(x=0;x<16;x++){ write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(disdata);write_data(disdata);}write_com(0x34);write_com(0x36);}/*------------------显示横-----------------------------*/void Disp_H_Line(){ unsigned char x,y;unsigned char k=0x00;for(y=0;y<32;y++){ k=~k;for(x=0;x<16;x++){ write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(k);write_data(k);};}write_com(0x34);write_com(0x36);}/*------------------显示边框-------------------------------*/void Frame(){unsigned char x,y;lcdfill(0x00);for(x=0;x<9;x+=8)for(y=0;y<32;y++){ write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(0x80);write_data(0x00);write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x87); //列地址write_com(0x30);write_data(0x00);write_data(0x01);}for(y=0;y<2;y++)for(x=0;x<8;x++){write_com(0x36);write_com(y*31+0x80); //行地址write_com(x+0x80+8*y); //列地址write_com(0x30);write_data(0xff);write_data(0xff);}write_com(0x34);write_com(0x36);}/*------------------在第7列的位置加入两条竖线--------------------------*/ void shuxian(){ unsigned char x,y;for(x=0;x<9;x+=8)for(y=0;y<32;y++){ write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x86); //列地址write_com(0x30);write_data(0x00);write_data(0x14);};}/*------------------清屏命令--------------------------*/void clrscreen(){write_com(0x01);delay(10);}/*------------------唐诗《静夜思》--------------------------*/void gushi_display(){ write_com(0x30);clrscreen();write_com(0x80+FIRST_ADDR);hzkdis("床前明月光，");write_com(0x90+FIRST_ADDR);hzkdis("疑是地上霜。
LCD 12864液晶显示汉字程序
/*--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,
0x00,0x04,0x04,0x04,0x04,0x44,0x84,0x7E,0x05,0x04,0x04,0x04,0x04,0x04,0x04,0x00,
/*--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,
0x00,0x40,0x20,0x10,0x0E,0x10,0x20,0x3F,0x44,0x44,0x44,0x44,0x44,0x40,0x40,0x00,
/*--文字:地--*/
/*--宋体12;此字体下对应的点阵为：宽x高=16x16 --*/
多种12864液晶屏显示程序
多种12864液晶屏显示程序（1）#include#define uchar unsigned char#define uint unsigned int#define lcddata P0sbit RS=P2^0;sbit RW=P2^1;sbit E=P2^2;sbit PSB=P2^3;void delayms(uint n)//1T单片机毫秒延时函数{ unsigned int x;while(n--){x=627;while(x--);}}void delayus(uint t)//1T单片机微秒延时函数{ unsigned int a,b;for(b=t;b>0;b--)for(a=3;a>0;a--);}bit lcdbusy() //忙检查{bit result;RS=0;RW=1;E=1;delayus(5);result=(bit)(P0&0x80);E=0;return(result) ;}void writecmd(uchar cmd) //写命令{while(lcdbusy()) ;RS=0;RW=0;E=0;delayus(5);P0=cmd;delayus(10);E=1;delayus(5);E=0;}void writedat(uchar dat) //写数据{while(lcdbusy()) ;RS=1;RW=0;E=0;delayus(5);P0=dat;delayus(10);E=1;delayus(5);E=0;}void print(uchar place,uchar num,uchar *point)//液晶屏显示数组{uchar i,progdata;writecmd(place);for(i=0;i<="">{progdata=*(point+i);writedat(progdata);}}void lcdclear(){unsigned char i;writecmd(0x30);writecmd(0x80);writecmd(0x01);delayus(20);for(i=0;i<64;i++)writedat(' ');}void lcdinit()//液晶屏初始化{PSB=1;//并口方式writecmd(0x30);//基本指令操作delayms(5);writecmd(0x06);//写一个字符后地址指针自动加1 delayms(5);writecmd(0x0c);//开显示，关光标delayms(5);writecmd(0x01);//清屏指令delayms(5);}void main(){lcdinit();print(0x80,3,"战斗机");//起始位，显示汉字数print(0x85,3,"巡洋舰");print(0x8a,4,"航空母舰");while(1);}（2）#include#define uchar unsigned char#define uint unsigned int#define lcddata P0sbit RS=P2^0;sbit RW=P2^1;sbit E=P2^2;sbit PSB=P2^3;void delayms(uint n)//1T单片机毫秒延时函数{ unsigned int x;while(n--){x=627;while(x--);}}void delayus(uint t)//1T单片机微秒延时函数{ unsigned int a,b;for(b=t;b>0;b--)for(a=3;a>0;a--);}bit lcdbusy() //忙检查{bit result;RS=0;RW=1;E=1;delayus(5);result=(bit)(P0&0x80);E=0;return(result) ;}void writecmd(uchar cmd) //写命令{while(lcdbusy()) ;RS=0;RW=0;E=0;delayus(5);P0=cmd;delayus(10);E=1;delayus(5);E=0;}void writedat(uchar dat) //写数据{while(lcdbusy()) ;RS=1;RW=0;E=0;delayus(5);P0=dat;delayus(10);E=1;delayus(5);E=0;}void lcdpos(uchar x,uchar y)//液晶屏显示位置，x轴0~7，y轴0~7 {uchar pos;if(x==0){x=0x80;}else if(x==1){x=0x90;}else if(x==2){x=0x88;}else if(x==3){x=0x98;}pos=x+y;writecmd(pos);}void print(uchar *str) //液晶屏显示数组{while(*str!='\0'){writedat(*str);str++;}}void lcdclear()//液晶屏清屏函数{unsigned char i;writecmd(0x30);writecmd(0x80);writecmd(0x01);delayus(20);for(i=0;i<64;i++)writedat(' ');}void lcdinit()//液晶屏初始化{PSB=1;//并口方式writecmd(0x30);//基本指令操作delayms(5);writecmd(0x06);//写一个字符后地址指针自动加1 delayms(5); writecmd(0x0c);//开显示，关光标delayms(5);writecmd(0x01);//清屏指令delayms(5);}void main(){lcdinit();lcdpos(0,0);//起始位（行数，列数）print("战斗机");lcdpos(0,5);print("巡洋舰");lcdpos(2,2);print("航空母舰");while(1);}（3）#include#define uchar unsigned char#define uint unsigned int#define lcddata P0sbit RS=P2^0;sbit RW=P2^1;sbit E=P2^2;sbit PSB=P2^3;uchar code dis1[]="战斗机"; //液晶屏一行显示8个汉字，16个字节（i=0;i<16;i++）uchar code dis2[]="巡洋舰";uchar code dis3[]="航空母舰";void delayms(uint n)//1T单片机毫秒延时函数{unsigned int x;while(n--){x=627;while(x--);}}void delayus(uint t)//1T单片机微秒延时函数{unsigned int a,b;for(b=t;b>0;b--)for(a=3;a>0;a--);}bit lcdbusy() //忙检查{bit result;RW=1;E=1;delayus(5);result=(bit)(P0&0x80);E=0;return(result) ;}void writecmd(uchar cmd) //写命令{while(lcdbusy()) ;RS=0;RW=0;E=0;delayus(5);P0=cmd;delayus(10);E=1;delayus(5);E=0;}void writedat(uchar dat) //写数据{while(lcdbusy()) ;RS=1;RW=0;E=0;delayus(5);P0=dat;delayus(10);delayus(5);E=0;}void lcdpos(uchar x,uchar y)//液晶屏显示位置，x轴0~7，y轴0~7 {uchar pos;if(x==0){x=0x80;}else if(x==1){x=0x90;}else if(x==2){x=0x88;}else if(x==3){x=0x98;}pos=x+y;writecmd(pos);}void lcdclear()//液晶屏清屏函数{unsigned char i;writecmd(0x30);writecmd(0x80);writecmd(0x01);delayus(20);for(i=0;i<64;i++)writedat(' ');}void lcdinit()//液晶屏初始化{PSB=1;//并口方式writecmd(0x30);//基本指令操作delayms(5);writecmd(0x06);//写一个字符后地址指针自动加1delayms(5);writecmd(0x0c);//开显示，关光标delayms(5);writecmd(0x01);//清屏指令delayms(5);}void main(){uint i;lcdinit();lcdpos(0,0);//起始位（行数，列数）for(i=0;i<6;i++)//占用字节数（一个汉字占两个字节，一个字母、数字、符号占一个字节）writedat(dis1[i]);lcdpos(0,5);for(i=0;i<6;i++)writedat(dis2[i]);lcdpos(2,2);for(i=0;i<8;i++)writedat(dis3[i]);while(1);}（4）#include#define uchar unsigned char#define uint unsigned int#define lcddata P0sbit RS=P2^0;sbit RW=P2^1;sbit E=P2^2;sbit PSB=P2^3;uchar code dis1[]="战斗机"; //液晶屏一行显示8个汉字，16个字节（i=0;i<16;i++）uchar code dis2[]="巡洋舰";uchar code dis3[]="航空母舰";void delayms(uint n)//1T单片机毫秒延时函数{unsigned int x;while(n--){x=627;while(x--);}}void delayus(uint t)//1T单片机微秒延时函数{unsigned int a,b;for(b=t;b>0;b--)for(a=3;a>0;a--);}bit lcdbusy() //忙检查{bit result;RS=0;RW=1;E=1;delayus(5);result=(bit)(P0&0x80);E=0;return(result) ;}void writecmd(uchar cmd) //写命令{while(lcdbusy()) ;RS=0;RW=0;E=0;delayus(5);P0=cmd;delayus(10);E=1;delayus(5);E=0;}void writedat(uchar dat) //写数据{while(lcdbusy()) ;RS=1;RW=0;E=0;delayus(5);P0=dat;delayus(10);E=1;delayus(5);E=0;}void lcdpos(uchar x,uchar y)//液晶屏显示位置，x轴0~7，y轴0~7 {uchar pos;if(x==0){x=0x80;}else if(x==1){x=0x90;}else if(x==2){x=0x88;}else if(x==3){x=0x98;}pos=x+y;writecmd(pos);}void lcdclear()//液晶屏清屏函数{unsigned char i;writecmd(0x30);writecmd(0x80);writecmd(0x01);delayus(20);for(i=0;i<64;i++)writedat(' ');}void lcdinit()//液晶屏初始化{PSB=1;//并口方式writecmd(0x30);//基本指令操作delayms(5);writecmd(0x06);//写一个字符后地址指针自动加1 delayms(5); writecmd(0x0c);//开显示，关光标delayms(5);writecmd(0x01);//清屏指令delayms(5);}void main(){uint i;lcdinit();lcdpos(0,0);//起始位（行数，列数）i=0;while(dis1[i]!='\0'){writedat(dis1[i]);//显示字符i++;}lcdpos(0,5);i=0;while(dis2[i]!='\0'){writedat(dis2[i]);i++;}lcdpos(2,2);i=0;while(dis3[i]!='\0'){writedat(dis3[i]);i++;}while(1); }（5）#include#define uchar unsigned char#define uint unsigned intsbit CS=P2^0; //片选信号sbit SID=P2^1; //数据信号sbit SCLK=P2^2; //时钟信号sbit PSB=P2^3; //串并行选择，H并行，L串行sbit key=P3^0;unsigned char code temp1[]={"战斗机"}; unsigned char code temp2[]={"航空母舰"};void delayms(uint n)//毫秒延时{unsigned int x;while(n--){x=627;while(x--);}}void delay(uint m)//100us延时{unsigned int da,db;for(da=0;da<m;da++)< bdsfid="537" p=""></m;da++)<> for(db=0;db<100;db++);}void sendbyte(uchar bbyte) //发送一个字节{unsigned char i;for(i=0;i<8;i++){SID=bbyte&0x80;SCLK=1;SCLK=0;bbyte<<=1;}}void writechar(bit start,uchar ddata) //写指令或数据{unsigned char start_data,Hdata,Ldata;if(start==0)start_data=0xf8;elsestart_data=0xfa;Hdata=ddata&0xf0;Ldata=(ddata<<4)&0xf0;sendbyte(start_data);delay(5);sendbyte(Hdata);delay(1);sendbyte(Ldata);delay(1);}void lcdsetxy(uchar x,uchar y)//设置LCD显示的起始位置，X 为行，Y为列{uchar address;switch(x){case 0: address = 0x80 + y; break;case 1: address = 0x80 + y; break;case 2: address = 0x90 + y; break;case 3: address = 0x88 + y; break;case 4: address = 0x98 + y; break;default:address = 0x80 + y; break;}writechar(0, address);}void print(uchar X,uchar Y,uchar *s)//中英文字符串显示函数{lcdsetxy( X, Y );while (*s){writechar( 1, *s );s ++;delay(1);}}void lcdclear() //清屏函数{writechar(0,0x01);}void lcdinit(){delay(10);PSB=0;CS=1;writechar(0,0x30); writechar(0,0x0c); writechar(0,0x01); } void main(){lcdinit();print(1,2,temp1);print(3,2,temp2);while(1);}。
12864的液晶显示程序（无字库）
12864的液晶显示程序（无字库）12864.h#ifndef __12864_H__#define __12864_H__#include#include/***************************************利用I/O口模拟点阵液晶所需时序点阵液晶控制端口定义，需根据硬件适当改变****************************************/sbit LCD_RS = P2^0;//控制端口定义sbit LCD_RW = P2^1;sbit LCD_E = P2^2;sbit LCD_CSA = P2^3;//H选通，即高电平有效sbit LCD_CSB = P2^4;#define LCD_Data P0//LCD数据端口8位#define R 1#define L 2/*****************************************函数声明*****************************************/void ReadStatusLCD(unsigned char select);//从LCD读出忙标志位unsigned char ReadDataLCD(unsigned char select);//从LCD 读出数据void WriteDataLCD(unsigned char WDLCD,unsigned char select);//向LED写入数据void WriteCommandLCD(unsigned char WCLCD , unsigned char BusyC,unsigned char select);//向LCD写入命令void LcdReset(void) ;//初始化函数，完成液晶模块的初始设置void clear_LCD(unsigned char select);//清屏函数void Clr_All_Lcd(void);//全清屏函数void set_XY(unsigned char Column,unsigned char Page);//设置数据写入或读出的地址，通过页号和列数可以唯一确定一个地址void xy_Write(unsigned char Column,unsigned char Page,unsigned char dataW);//向指定行列写数据void LcmPutDots(unsigned char Column,unsigned char Page, unsigned char DotByte );//显示点void whiteword(unsigned char Column,unsigned char Page, const unsigned char puts[][16] );//显示16×16点阵的编码void WhiteWord_Com(unsigned char Column,unsigned char Page,unsigned char C_num,unsigned char V_num, unsigned char * puts );//通用的显示函数void Drawing_dot(unsigned char x,unsigned char y);void Drawing_line_vertical(unsigned x);#endif12864.c/****************************************************LCD12864点阵液晶屏，通过I/O口直接控制，采用模拟时序控制****************************************************/#include"12864.h"#include/*********************************************************** 功能：从LCD读取状态位变量：select用于选择LCD屏的左右,1选择左屏，2选择右屏***********************************************************/ void ReadStatusLCD(unsigned char select){switch(select){case 1:{LCD_CSA=1;LCD_CSB=0;break;}//左case 2:{LCD_CSA=0;LCD_CSB=1;break;}//右default: break;}LCD_Data = 0xff;//置位输入口，已实现输入LCD_RS=0;LCD_RW=1;LCD_E=1;//高电平读取数据//_nop_(); //若晶振速度高，可在此作延时处理while(LCD_Data&0x80);//最高位为忙标志,检测忙信号状态LCD_E=0;//_nop_(); //若晶振速度高，可在此作延时处理}/*********************************************************** 功能：从LCD读取数据变量：select用于选择LCD屏的左右,1选择左屏，2选择右屏***********************************************************/ unsigned char ReadDataLCD(unsigned char select){unsigned char dataR;LCD_Data = 0xff;//置位输入口，已实现输入switch(select){case 1:{LCD_CSA=1;LCD_CSB=0;break;}//左case 2:{LCD_CSA=0;LCD_CSB=1;break;}//右default: break;}LCD_RW=1;LCD_RS=1;LCD_E = 1;// 操作允许脉冲信号，高电平读出//_nop_(); //若晶振速度高，可在此作延时处理dataR = LCD_Data;LCD_E= 0;return dataR;}/***********************************************************功能：向LCD写入数据参数：WDLCD待写入的字符数据select用于选择LCD屏的左右,1选择左屏，2选择右屏***********************************************************/void WriteDataLCD(unsigned char WDLCD,unsigned char select){switch(select){case 1:{LCD_CSA=1;LCD_CSB=0;break;}//左case 2:{LCD_CSA=0;LCD_CSB=1;break;}//右default: break;}ReadStatusLCD(select);//检测忙标志LCD_RS = 1;LCD_RW = 0;LCD_Data = WDLCD;LCD_E = 1;//_nop_(); //若晶振速度高，可在此作延时处理LCD_E = 0; //下降沿写入数据//_nop_(); //若晶振速度高，可在此作延时处理}/***********************************************************功能：向LCD写入命令参数：WDLCD待写入的字符数据BusyC是否要检查忙标志位选择标志，1为进行，0为不检测select用于选择LCD屏的左右,1选择左屏，2选择右屏***********************************************************/void WriteCommandLCD(unsigned char WCLCD , unsigned char BusyC,unsigned char select) {if(BusyC) ReadStatusLCD(select);//根据需要检测忙switch(select){case 1:{LCD_CSA=1;LCD_CSB=0;break;}//左case 2:{LCD_CSA=0;LCD_CSB=1;break;}//右default: break;}LCD_Data = WCLCD;LCD_RS = 0;LCD_RW = 0;LCD_E = 1;//_nop_(); //若晶振速度高，可在此作延时处理LCD_E = 0;}/************************************************************** **************** 功能：清显示RAM区（清屏）参数：select为驱动控制器选择1为左2为右*************************************************************** **************** */void clear_LCD(unsigned char select){unsigned char i,j;for(i=0;i<8;i++){ //8页，换页清零WriteCommandLCD( 0xb8|i,1 ,select);//页面地址设置，并分别写入左右模块中WriteCommandLCD( 0x40,1 ,select);//列地址设置，设置为0列，并分别写入左右三个模块中for(j=0;j<64;j++){ //页内清零WriteDataLCD( 0 ,select);}}}/************************************************************** *************** 功能：清LCD左右屏*************************************************************** **************/ void Clr_All_Lcd(void){clear_LCD(1);clear_LCD(2);}/************************************************************** **************** 功能：LCD初始化，分为左，右模块初始化参数：select为驱动控制器选择1为左2为右*************************************************************** **************** */void LcdReset(void){unsigned char i;for(i=0;i<5;i++){WriteCommandLCD( 0xc0,0 ,R);//设置显示起始行为第一行，并分别写入左右模块中,不检测忙标志WriteCommandLCD( 0xc0,0 ,L);//_nop_(); //若晶振速度高，可在此作延时处理}WriteCommandLCD( 0xc0,1 ,R);//设置显示起始行为第一行，并分别写入左右模块中，检测忙标志WriteCommandLCD( 0xc0,1 ,L);WriteCommandLCD( 0x3f,1 ,R);//开显示设置，并分别写入左右模块中WriteCommandLCD( 0x3f,1 ,L);clear_LCD(R);//清左屏clear_LCD(L);//清右屏}/************************************************************** **************** 功能：设置数据写入或读出的地址，通过页号和列数可以唯一确定一个地址参数：Column表示列号，Page表示页号*************************************************************** **************** */void set_XY(unsigned char Column,unsigned char Page){unsigned char x,y;unsigned char select;switch (Column&0x40) //完成左右屏的判断，根据列号完成区分,<64为左屏,>=64为右屏{case 0x00: {select = 1;ReadStatusLCD(select);break;}/*为左区*/case 0x40: {select = 2;ReadStatusLCD(select);break;}/*为右区*/}x = Column&0x3F|0x40; /* col.and.0x3f.or.Set Y Address*/ y = Page&0x07|0xB8; /* row.and.0x07.or.set Page */WriteCommandLCD( y,1 ,select);//设置页面地址WriteCommandLCD( x,1 ,select);//设置列地址}/************************************************************** **************** 功能：根据地址值（页数和列号），写入数据，即写入显示缓冲区，便可以显示在LCD屏上参数：Column表示列号，Page表示页号,dataW表示待写入的数据*************************************************************** **************** */void xy_Write(unsigned char Column,unsigned char Page,unsigned char dataW){set_XY(Column,Page);LCD_RW=0;LCD_RS=1;_nop_();//若晶振速度高，可在此作延时处理LCD_Data = dataW;// 送数据_nop_(); //若晶振速度高，可在此作延时处理LCD_E = 1;_nop_(); //若晶振速度高，可在此作延时处理LCD_E= 0; // 操作允许脉冲信号，下降沿写入}/************************************************************** **************** 功能：用于显示点阵参数：Column表示列号，Page表示页号,*************************************************************** **************** */void LcmPutDots(unsigned char Column,unsigned char Page, unsigned char DotByte ){unsigned char i;i=Column;for(;Page<8;Page++){for(;Column<128;Column++){xy_Write(Column,Page,DotByte);//DotByte = ~DotByte;}Column=i;}}/************************************************************** **************** 功能：在指定列，指定页显示待显示的点阵编码,用于显示16*16点阵码参数：Column表示列号，Page表示页号,puts待显示的点阵编码首指针*************************************************************** **************** */void whiteword(unsigned char Column,unsigned char Page, const unsigned char puts[][16] ){unsigned char i,j;for(i=0;i<2;i++)//此处的2为控制点阵行数，实际点阵行数为2*8=16行，此处的16（对应的点行数）应为8的倍数{for(j=0;j<16;j++)//此处控制每行显示的列数{xy_Write(Column+j,Page+i,puts[i][j]);}}}/****************************************************************************** 功能：在指定列，指定页显示待显示指定点阵的编码参数：Column表示列号，Page表示页号,C_num为显示点阵的行数（物理行8的倍数），V_num 为列（物理列）puts待显示的点阵编码首指针*************************************************************** **************** */void WhiteWord_Com(unsigned char Column,unsigned char Page,unsigned char C_num,unsigned char V_num, unsigned char * puts){unsigned char i,j;for(i=0;i<(C_num/8);i++)//此处的2为控制点阵行数，实际点阵行数为2*8=16行，此处的16（对应的点行数）应为8的倍数{for(j=0;j<="">{xy_Write(Column+j,Page+i,*(puts+i*V_num+j));//注意地址的变化规律}}}/************************************************************** **************** 功能：绘点参数：Column表示列号，Page表示页号,C_num为显示点阵的行数（物理行8的倍数），V_num 为列（物理列）puts待显示的点阵编码首指针*************************************************************** **************** */void Drawing_dot(unsigned char x,unsigned char y){unsigned char y_byte,x_bit,y_bit,reverse_y;//此处y_byte为page，y_bit为具体行号，x_bit 为行号unsigned char dot;reverse_y=63-y;x_bit=x;y_byte=reverse_y/8;y_bit=y%8;// for(;x_bit<128;x_bit++)if(y_bit==0) dot=0x80;if(y_bit==1) dot=0x40;if(y_bit==2) dot=0x20;if(y_bit==3) dot=0x10;if(y_bit==4) dot=0x08;if(y_bit==5) dot=0x04;if(y_bit==6) dot=0x02;if(y_bit==7) dot=0x01;xy_Write(x_bit,y_byte,dot);/* reverse_y=64-y;if(y_bit==7) y_byte=y_byte-1;y_bit=y%8;if(y_byte==(-1)) break;*/}/************************************************************** **************** 功能：绘垂直直线参数：x表示列号*************************************************************** **************** */void Drawing_line_vertical(unsigned char x){xy_Write(x,0,0xff);xy_Write(x,1,0xff);xy_Write(x,2,0xff);xy_Write(x,3,0xff);xy_Write(x,4,0xff);xy_Write(x,5,0xff);xy_Write(x,6,0xff);xy_Write(x,7,0xff);}主程序.c/************************************************************** **************** ****************12864液晶屏上显示"南京绝妙科技发展有限公司，025-******** 开发板欢迎使用"，"0～9"，刷新后重显。
12864液晶屏幕使用说明及程序
12864使用说明一、串/并接口1.1 串口接口管脚信号*注释1：如在实际应用中仅使用并口通讯模式，可将PSB 接固定高电平。
*注释2：模块内部接有上电复位电路，因此在不需要经常复位的场合可将该端悬空。
*注释3：如背光和模块共用一个电源，可以将模块上的JA、JK 用焊锡短接。
1.2 并行接口管脚信号*注释1：如在实际应用中仅使用并口通讯模式，可将PSB 接固定高电平。
*注释2：模块内部接有上电复位电路，因此在不需要经常复位的场合可将该端悬空。
*注释3：如背光和模块共用一个电源，可以将模块上的JA、JK 用焊锡短接。
二、模块主要硬件构成说明控制器接口信号说明：2.1、RS，R/W的配合选择决定控制界面的4种模式：2.2、E信号●忙标志BFBF 标志提供内部工作情况.BF=1 表示模块在进行内部操作,此时模块不接受外部指令和数据.BF=0 时, 模块为准备状态,随时可接受外部指令和数据.利用STATUS RD 指令,可以将BF 读到DB7 总线,从而检验模块之工作状态.●字型产生ROM（CGROM）字型产生ROM（CGROM）提供8192 个此触发器是用于模块屏幕显示开和关的控制。
DFF=1 为开显示（DISPLAY ON),DDRAM 的内容就显示在屏幕上，DFF=0 为关显示（DISPLAY OFF)。
DFF 的状态是指令DISPLAY ON/OFF 和RST 信号控制的。
●显示数据RAM（DDRAM）模块内部显示数据 RAM 提供 64×2 个位元组的空间，最多可控制 4 行 16 字（64 个字）的中文字型显示，当写入显示数据 RAM 时，可分别显示 CGROM 与CGRAM 的字型；此模块可显示三种字型，分别是半角英、数字型(16*8)、CGRAM 字型及 CGROM 的中文字型。
三种字型的选择，由在 DDRAM 中写入的编码选择，在0000H—0006H 的编码中（其代码分别是 0000、0002、0004、0006 共 4 个）将选择 CGRAM 的自定义字型，02H—7FH 的编码中将选择半角英数字的字型，至于A1 以上的编码将自动的结合下一个位元组，组成两个位元组的编码形成中文字型的编码BIG5（A140—D75F），GB（A1A0-F7FFH）。
12864液晶显示C程序
#include <reg51.h>#include <intrins.h>//_nop_();延时函数用#define unchar unsigned char#define unint unsigned intsbit E=P3^0;sbit RW=P3^1;sbit RS=P3^2;sbit CS1=P3^6;sbit CS2=P3^7;char code tablenum[][16]={0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00, // 0 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00, //1 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00, //2 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00, //3 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00, //4 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00, //5 0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00, //6 0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00, //7 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00, //8 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00, //9 0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00, //: 0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20, //R 0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00, //S 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00, //.};char code tablesnum[][4]={0x00,0x7c,0x44,0x7c,//小00x00,0x00,0x7c,0x00,//小10x00,0x74,0x54,0x5c,//小20x00,0x54,0x54,0x7c,//小30x00,0x3c,0x20,0x7c,//小40x00,0x5c,0x54,0x74,//小50x00,0x7c,0x54,0x74,//小60x00,0x04,0x04,0x7c,//小70x00,0x7c,0x54,0x7c,//小80x00,0x5c,0x54,0x7c,//小90x08,0x08,0x08,0x08,};//void delay(unint i)//{//while(--i);//}void readbusy()//是否忙碌{P0=0x00;RS=0;RW=1;E=1;while(P0&0x80);E=0;}void writecommand(unchar command) //写命令{readbusy();RS=0;RW=0;P0=command;E=1;_nop_();_nop_();E=0;}void writedate(unchar date) //写数据{readbusy();RS=1;RW=0;P0=date;E=1;_nop_();_nop_();E=0;}void setpage(unchar page)//设置页{page=0xb8|page;writecommand(page);}void setline(unchar line)//设置行{line=0xc0|line;writecommand(line);}void setcolumn(unchar column)//设置列{column=column&0x3f;column=0x40|column; writecommand(column);}void setonoff(unchar onoff){onoff=0x3e|onoff;writecommand(onoff);}void selectscreen(unchar screen)//选屏{switch(screen){case 0:CS1=0;CS2=0;break;case 1:CS1=0;CS2=1;break;case 2:CS1=1;CS2=0;break; default: break;}}void clearscreen(unchar screen)//清屏{unchar i,j;selectscreen(screen);for(i=0;i<8;i++){setpage(i);setcolumn(0);for(j=0;j<64;j++){writedate(0x00);}}}void InitLCD()//初始化readbusy();selectscreen(0);setonoff(0);selectscreen(0);setonoff(1);selectscreen(0);clearscreen(0);setline(0);}void display(unchar ss,unchar page,unchar column,unchar j)//显示数据{unchar i;selectscreen(ss);setpage(page);setcolumn(column);for(i=0;i<8;i++){writedate(tablenum[j][i]);}setpage(page+1);setcolumn(column);for(i=0;i<8;i++){writedate(tablenum[j][i+8]);}}void displays(unchar ss,unchar page,unchar column,unchar j)//显示小数据{unchar i;selectscreen(ss);setpage(page);setcolumn(column);for(i=0;i<4;i++){writedate(tablesnum[j][i]);}}void disnum()//显示数据{display(1,0,1*8,11);display(1,0,2*8,10);display(1,0,3*8,1);display(1,0,4*8,1);display(1,0,5*8,13);display(1,0,6*8,1);display(2,0,1*8,12);display(2,0,2*8,10);display(2,0,3*8,1);display(2,0,4*8,1);display(2,0,5*8,13);display(2,0,6*8,1);}void dissnum()//显示坐标数据{//displays(1,2,0*4,9);//displays(1,2,1*4,0); displays(1,3,0*4,7); displays(1,3,1*4,5);//displays(1,4,0*4,6);//displays(1,4,1*4,0); displays(1,5,0*4,4); displays(1,5,1*4,5);//displays(1,6,0*4,3);//displays(1,6,1*4,0); displays(1,7,0*4,1); displays(1,7,1*4,5);}void diszhou()//坐标轴{unchar i,j,a,b; selectscreen(1);for(i=2;i<7;i++){setcolumn(11);setpage(i);writedate(0xff);}setcolumn(11);setpage(7);writedate(0x0f);for(j=3;j<16;j++){displays(1,7,j*4,10); }for(b=2;b<7;b++){setcolumn(12);setpage(b);writedate(0x08);}setcolumn(12);setpage(7);writedate(0x08); for(a=0;a<16;a++) {displays(2,7,a*4,10); }}void main(){InitLCD(); clearscreen(0); writecommand(0xc0); disnum();dissnum();diszhou();while(1); }。
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12864液晶显示程序由北京迪特福科技编撰提供#include <reg51.h>#include <intrins.h>sbit RS = P2^5;sbit RW = P2^6;sbit E = P2^7;sbit RES = P3^5;#define Lcd_Bus P0 //MCU P1<------> LCM#define FIRST_ADDR 0 //定义字符/汉字显示起始位置unsigned char code zk[]={0x08,0x20,0x1c,0x10,0x1c,0x1c,0xff,0x9e,0x7f,0x1e,0x1c,0x1f,0x3e,0x1f ,0x3e,0x1f,0x77,0x1f,0x41,0x3f,0x00,0x7e,0x00,0xfe,0x83,0xfc,0x7f,0xf8,0x3f,0xf0 ,0x0f,0xc0,};unsigned char code BMP1[]={/*-- 调入了一幅图像：D:\3033B\3033.bmp --*//*-- 宽度x高度=128x64 --*//*--总共52行数据，每行16个数据--*/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 ,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x07,0xF1,0x00,0x03,0x01,0x00,0xF0,0x00 ,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x04,0x01,0x00,0x03,0x81,0x08,0x98,0x00 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,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,};/*------------------检查忙位-----------------------------*/void chk_busy(){ RS=0;RW=1;E=1;Lcd_Bus=0xff;while((Lcd_Bus&0x80)==0x80);E=0;}/*------------------延时子程序-----------------------------*/ void delay(unsigned int t){ unsigned int i,j;for(i=0;i<t;i++)for(j=0;j<10;j++);}/*------------------写命令到LCD------------------------------*/ void write_com(unsigned char cmdcode){chk_busy();RS=0;RW=0;E=1;Lcd_Bus=cmdcode;delay(5);////////////////////在数据写入的时候加入适当的延时E=0;delay(5);}/*-------------------写数据到LCD----------------------------*/ void write_data(unsigned char Dispdata){chk_busy();RS=1;RW=0;E=1;Lcd_Bus=Dispdata;delay(5);///////////////////在数据写入的时候加入适当的延时E=0;delay(5);}/*------------------初始化LCD屏--------------------------*/ void lcdreset(){ delay(2000);write_com(0x30);delay(10); //选择基本指令集write_com(0x30); //选择8bit数据流delay(5);write_com(0x0c); //开显示(无游标、不反白)delay(10);write_com(0x01); //清除显示，并且设定地址指针为00Hdelay(500);write_com(0x06); //指定在资料的读取及写入时，设定游标的移动方向及指定显示的移位delay(0);}/*------------------自定义一个字符代码(一个星星和月亮)--------------------------*/void CGRAM(){ int i;write_com(0x30);write_com(0x40);for(i=0;i<16;i++){write_data(zk[i*2]);write_data(zk[i*2+1]);}}/*------------------显示字符串--------------------------*/void hzkdis(unsigned char code *s){ while(*s>0){ write_data(*s);s++;delay(50);}}/*------------------首屏显示--------------------------*/void ceshi(){write_com(0x01);//清除显示，并且设定地址指针为00Hdelay(5);write_com(0x80);//第一行（如果是地址是：80H，即LCD的第一行的第一个位置显示）hzkdis("----强林单片机");write_com(0x90);//第二行（如果是地址是：90H，即LCD的第二行的第一个位置显示）hzkdis("--技术项目交易网");write_com(0x88);//第三行（如果是地址是：88H，即LCD的第二行的第一个位置显示）hzkdis("LCD12864点阵液晶");write_com(0x9A);//第四行（如果是地址是：98H，即LCD的第二行的第一个位置显示）hzkdis("测试程序");}/*------------------显示图片------------------------2005.11.14.21:20修改---benladn911---*/void Disp_Img(unsigned char code *img){ unsigned int j=0;unsigned char x,y,i;for(i=0;i<9;i+=8)for(y=0;y<32;y++)/*原来为 y<26 ,上下两个半屏不能正常对接显示，导致显示的图片中间有空隙*/for(x=0;x<8;x++){ write_com(0x36);//功能设置---8BIT控制界面，扩充指令集write_com(y+0x80); //行地址write_com(x+0x80+i); //列地址write_com(0x30);write_data(img[j++]);write_data(img[j++]);}}/*------------------清整个GDRAM空间----------------------------*/ void clrgdram(){ unsigned char x,y;for(y=0;y<64;y++)for(x=0;x<16;x++){ write_com(0x34);write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(0x00);write_data(0x00);}}/*------------------整屏写入数据:全亮，或者竖条-----------------------------*/void lcdfill(unsigned char disdata){ unsigned char x,y;for(y=0;y<32;y++)for(x=0;x<16;x++)write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(disdata);write_data(disdata);}write_com(0x34);write_com(0x36);}/*------------------显示横-----------------------------*/ void Disp_H_Line(){ unsigned char x,y;unsigned char k=0x00;for(y=0;y<32;y++){ k=~k;for(x=0;x<16;x++){ write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(k);write_data(k);};}write_com(0x34);write_com(0x36);}/*------------------显示边框-------------------------------*/ void Frame(){unsigned char x,y;lcdfill(0x00);for(x=0;x<9;x+=8)for(y=0;y<32;y++){ write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x80); //列地址write_com(0x30);write_data(0x80);write_data(0x00);write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x87); //列地址write_data(0x00);write_data(0x01);}for(y=0;y<2;y++)for(x=0;x<8;x++){write_com(0x36);write_com(y*31+0x80); //行地址write_com(x+0x80+8*y); //列地址write_com(0x30);write_data(0xff);write_data(0xff);}write_com(0x34);write_com(0x36);}/*------------------在第7列的位置加入两条竖线--------------------------*/void shuxian(){ unsigned char x,y;for(x=0;x<9;x+=8)for(y=0;y<32;y++){ write_com(0x36);write_com(y+0x80); //行地址write_com(x+0x86); //列地址write_com(0x30);write_data(0x00);write_data(0x14);};}/*------------------清屏命令--------------------------*/void clrscreen(){write_com(0x01);delay(10);}/*------------------唐诗《静夜思》--------------------------*/ void gushi_display(){ write_com(0x30);clrscreen();write_com(0x80+FIRST_ADDR);hzkdis("床前明月光，");write_com(0x90+FIRST_ADDR);hzkdis("疑是地上霜。