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);
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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 ,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 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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。