lcd12864显示基本程序
LCD12864显示中文及图片C程序
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/****************************************屏幕显示驱动*****************************************/#include "GT23L24T3Y.h"#include "print.h"#include <stdio.h>#include <string.h>#include "bmp_picture.h"#include "lcd_12864.h"#include "..\user\rtc.h"u8 comTable[]={4,5,6,7,3,2,1,0};extern void Setlcd_Addr ( u8 row,u8 column );//外部函数调用声明extern u8 Num_Code[];//字库获得函数extern u8 Big_Num_Code[];//字库获得函数extern u8 Picture_Code[];//字库获得函数extern u8 arrow1[];extern u8 arrow2[];u8 testlcd[]="测试数据";/************************************************************************//显示中文输出//函数名:print_16//功能:显示16x16点阵字符串。
// 函数名:print_16// 功能:显示16点阵字符串// 形参:// row:x轴// column:y轴// *lcd:显示字符串// logic:显示取反// wei.显示位值// len长度*************************************************************************/void _print_15 ( u8 row,u8 column,const char *lcd,u8 logic ,u8 wei,u8 len){u8 w=0,x=0,y=0,l=0,read_data=0;u8 Length=0;GT_cs1;//字库片选至高for ( l=len; l>0; l=l-2 ) //总字节{w=*lcd;if ( w&0x80 ) //为1则为汉字,为0则为ASCII码{GT_cs0; //字库片选选定GT23_Write ( GT23_write_15 ( lcd ) ); //写入字库指令以及文字地址for ( x=0; x<2; x++ ){Setlcd_Addr (row,column);for(y=0;y<16;y++){read_data=GT23_Read();if(logic == true){// read_data = ~read_data;}WriteData(read_data );}row++;}GT_cs1;//字库片选至高row-=2;column+=16;if(column>=128){row+=2;column=0;}lcd=lcd+2;}}}/************************************************************************//描述:显示中文输出//使用:顶层函数调用参数:row 行column 列*lcd 字符串logic 反白*************************************************************************/ void print_15 ( u8 row,u8 column,const char *lcd,u8 logic ){u8 c=strlen ( lcd );_print_15(row,column,lcd,logic,0,c);}/************************************************************************ //描述:显示图片输出//使用:顶层函数调用参数:row 行column 列*lcd 字符串logic 反白*************************************************************************/ void print_array(u16 row,u16 column,u16 size_x,u16 size_y,const u8 *ptr, u8 logic){u8 w=0,x=0,y=0,l=0,read_data=0;u8 Length=0;for( x=0;x<size_x/8;x++){Setlcd_Addr (row,column);for(y=0;y<size_y;y++){read_data=*( ptr + (y+x*size_y) );if(logic == true){read_data = ~read_data;}WriteData1(read_data);// WriteData1(0XFF);}row++;}}u8 OpMgsCode[][10] ={"病人信息","循环播放","房号与床号","从机音量","对比度","广播""恢复","音乐","主机音量","时间"};u8 DayCode[][7]={"星期天","星期一","星期二","星期三","星期四","星期五","星期六"};void PrintMainFace(time mytime,u8 PeopleNum){//待机界面函数u8 Hrd,Ten,One;Lcd_Clr();//清屏print_15 ( 0,16, "月",false );print_15 ( 0,48, "日",false );print_15 ( 0,70, &DayCode[mytime.day][0],false );//显示星期//日期显示Ten=mytime.month/10;One=mytime.month%10;print_array(0 , 0, 16 , 7 , &Num_Code[Ten*14], false);print_array(0 , 8, 16 , 7 , &Num_Code[One*14], false);Ten=mytime.date/10;One=mytime.date%10;print_array(0 , 32, 16 , 7 , &Num_Code[Ten*14], false);print_array(0 , 40, 16 , 7 , &Num_Code[One*14], false);//时间显示Ten=mytime.hour/10;One=mytime.hour%10;print_array(2 , 20, 32 , 21 , &Big_Num_Code[Ten*84], false);print_array(2 , 42, 32 , 21 , &Big_Num_Code[One*84], false);Ten=mytime.minute/10;One=mytime.minute%10;print_array(2 , 68, 32 , 21 , &Big_Num_Code[Ten*84], false);print_array(2 , 90, 32 , 21 , &Big_Num_Code[One*84], false);//住院人数显示print_15 ( 6,32, "住院人数",false );Hrd=PeopleNum/100;PeopleNum=PeopleNum%100;Ten=PeopleNum/10;One=PeopleNum%10;if(Hrd ){print_array(6 , 96, 16 , 7 , &Num_Code[Hrd*14], false);}print_array(6 , 102, 16 , 7 , &Num_Code[Ten*14], false);print_array(6 , 110, 16 , 7 , &Num_Code[One*14], false);}void PrintPictureFace(u8 Index){time mytime;Lcd_Clr();//清屏mytime.month = 10;mytime.date = 16;mytime.hour = 12;mytime.minute = 15;mytime.day =3;PrintMainFace(mytime,96);//print_array(0 , 10, 48 , 8 , arrow1, false);//左箭头显示// print_array(0,38 ,48 ,48 , &Picture_Code[288*Index], false);//图片显示// print_array(0,108, 48 , 8 , arrow2, false); //右箭头显示//print_15 ( 6,33, &OpMgsCode[0][Index],false );//提示信息显示}。
lcd12864程序
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//用户版//描述: LCD12864液晶显示模块,对于芯片KS0108(HD61202)驱动程序.//编写:微控设计网 DC版主日期:2007.9.//编译环境:IAR EW430 V3.42A//验证平台: MC430F14+开发板 V1.0//声明:此程序只供微控用户使用.在未得到DC版主的许可请勿将资料外公开和用于商业用途.//******************************************************************* ***********#include "lcd12864.h"extern unsigned char ASCII86[][6];//******************************************************************* ***********//LCD12864函数声明void Lcd12864delay(); //延时void CheckState(); //忙状态检查void WriteByte(unsigned char dat); //写显示数据void SEdCommandToLCD(unsigned char command); //向LCD发送命令void SetLine(unsigned char line); //设定行地址(页)--X 0-7void SetColumn(unsigned char column); //设定列地址--Y 0-63void SetOnOff(unsigned char onoff); //开关显示void SetStartLine(unsigned char startline); //设定显示开始行--XXvoid ClearScreE(unsigned char screE); //清屏void SelectScreE(unsigned char screE); //选择屏幕unsigned char ReadByte(); //读显示数据//显示8*6字符串void ShowString86(unsigned char lin,unsigned char column, unsigned char *string); //反显一个8*6字块void ReverseShow86(unsigned char lin,unsigned char column);//反显某行某几个字符void ReverseLinChar(unsigned char lin,unsigned char startcolumn,unsigned char ShowQuantity);void InitLCD(void); //初始化LCD//******************************************************************* ***********//初级函数列表//******************************************************************* ***********//延时void Lcd12864delay(){unsigned int i=500;while(i--) {;}}void LcdDelay(){unsigned int i=2;while(i--) {;}}//******************************************************************* ***********//忙状态检查(已整理)void CheckState(){MCU_BUS_DIR_IN; //设置BUS口为输入LVC4254_5Vto3V; //LVC4254数据方向为5V往3VRS0;RW1;E1;while(BUSIN & busy) _NOP(); //等待LCD_DB7为0E0; //重设E=0MCU_BUS_DIR_OUT; //设置BUS口为输出LVC4254_3Vto5V; //LVC4254数据方向为3V往5V}//******************************************************************* ***********//写显示数据(已整理)//dat:显示数据void WriteByte(unsigned char dat){CheckState(); //忙状态检查RS1;RW0;BUSOUT = dat; //写向数据口E1;LcdDelay();E0;}//******************************************************************* ***********//向LCD发送命令(已整理)//command :命令void SEdCommandToLCD(unsigned char command){CheckState(); //忙状态检查RS0;RW0;BUSOUT = command; //写入E1;LcdDelay();E0;}//******************************************************************* ***********//清屏(已整理)//screE:1-左屏,2-右//每个屏的显示RAM共64行,分8页,每页8行(一行对相一个字节)void ClearScreE(unsigned char screE){unsigned char i,j;SelectScreE(screE); //选择指定屏for(i=0;i<8;i++) //共8页(每页8行*64列){ SetLine(i); //选择某一页for(j=0;j<64;j++) //每一页全送0x00为清屏{WriteByte(0x00); //一个数据对应8行,8*64=1页,64*8页}}}//******************************************************************* ***********//开关显示(已整理)//onoff=1开,onoff=0为关//当DB0=1时LCD显示RAM中的内容DB0=0时关闭显示void SetOnOff(unsigned char onoff){onoff=0x3e | onoff; //0011 111xSEdCommandToLCD(onoff); //发命令到LCD}//******************************************************************* ***********//选择屏幕(已整理)//screE: 0-全屏,1-左屏,2-右屏void SelectScreE(unsigned char screE){ //MSC-G12864DYSY-2N:选中高电平switch(screE){ case 0: //开全屏CS1_1;_NOP();CS2_1;_NOP();break;case 1: //开左屏CS1_0;_NOP();CS2_1; //关右屏_NOP();break;case 2:CS1_1;//关左屏_NOP();CS2_0;//开右屏_NOP();break;}}//******************************************************************* ***********//设定行地址(页,也就是字行)--X 0-7(已整理)void SetLine(unsigned char line){line=line & 0x07; //保证在 0<=line<=7line=line|0xb8; //1011 1xxx,SEdCommandToLCD(line); //设定指定页}//******************************************************************* ***********//设定列地址--Y 0-63(已整理)void SetColumn(unsigned char column){column=column &0x3f; //0=<column<=63column=column | 0x40; //01xx xxxxSEdCommandToLCD(column); //指定列}//******************************************************************* ***********//设定显示开始行--XX(已整理)//0--63void SetStartLine(unsigned char startline){startline=startline & 0x07; //保证 0<=startline<8startline=startline|0xc0; //1100 0000(显示起始行ROW设置指令)SEdCommandToLCD(startline); //指定行}//******************************************************************* ***********//初始化LCD (已整理)void InitLCD(void){LVC4254_DIR0; //MCU对LVC4254 DIR控制端IO方向设为0LVC4254_3Vto5V; //LVC4254方向为3V转5V,DIR=0MCU_BUS_DIR_OUT; //MCU总线方向为输出LCDCTL_RSRWE_DIR; //MCU对LCD 控制组端IO方向设为LCDCTL_CS1CS2_DIR; //Lcd12864delay();SelectScreE(0); //选择屏SetOnOff(0); //关显示ClearScreE(1); //清屏1ClearScreE(2); //清屏2SelectScreE(0);SetOnOff(1); //开显示SelectScreE(0);SetColumn(0); //开始列:0SetStartLine(0); //开始行:0ClearScreE(0);}//******************************************************************* ***********//读显示数据(已整理)unsigned char ReadByte(void){unsigned int i;unsigned char dat;CheckState();RS1;RW1;MCU_BUS_DIR_IN; //设置BUS口为输入LVC4254_5Vto3V;E1;for(i=0;i<10;i++); //这个延时是不同MCU速度而不同dat=BUSIN; //读入,(原文件是没有此句的)E0;MCU_BUS_DIR_OUT; //设置BUS口为输出LVC4254_3Vto5V;return(dat);}//******************************************************************* ***********//显示8*6点阵,如显ASCII86[][6],字符(已整理)//旋转90度:字模被竖着切分//lin:字行(0-7), column: 字列(0-31)//address : 字模区首地址由Microcontrol dc 编写void Show86(unsigned char lin,unsigned char column, unsigned char *address){unsigned char i,j=0;if(column>31) //列地址大于31返回{return;}//第0-9个字列else if(column<=9){SelectScreE(1);SetLine(lin);SetColumn((column<<3)-(column<<1)); //计算列地址,以6为倍数.每6列显示一个字符.for(i=0;i<6;i++)WriteByte(address[i]);}//第10个字列else if(column==10){ j=(column<<3)-(column<<1);if(j<=63) //第10个字列的前4列{ SelectScreE(1);SetLine(lin);SetColumn(j);for(i=0;i<4;i++){ WriteByte(address[i]);j++;}}if(j>=64){ SelectScreE(2); //第10个字列的后2列j=j-64;SetLine(lin);SetColumn(j);for(i=4;i<6;i++) //在12864中第10个字列的最后两个字节{WriteByte(address[i]);}}}//第11-20个字列else if(10<column&&column<21){ column=column-11;SelectScreE(2);SetLine(lin);SetColumn((column<<3)-(column<<1)+2);for(i=0;i<6;i++)WriteByte(address[i]);}//第21个字列else if(column==21) //第21个字列{ j=(column<<3)-(column<<1);if(j<128) //第21个字列的前2列{ SelectScreE(2);SetLine(lin);SetColumn(j);for(i=0;i<2;i++){ WriteByte(address[i]);j++;}}if(j>=128){j=j-128;SelectScreE(3); //第21个字列的后4列 SetLine(lin);SetColumn(j);for(i=0;i<4;i++){ WriteByte(address[i]);}}}//第22-31个字列/* else{ column=column-22;SelectScreE(3);SetLine(lin);SetColumn((column<<3)-(column<<1)+4);for(i=0;i<6;i++)WriteByte(address[i]);}*/}//******************************************************************* ***********//显示8*6字符串此字体下对应的点阵为:宽x高=8x6 (已整理)//!!!只能显示在一行上即: 串长+column <=31 column(为6的字列,左屏前4列和右屏后4列不用作显示,两屏共19字列)//旋转90度:字模被竖着切分//lin:字行(0-8), column: 字列(0-31)// *string :指向字符串的首址.void ShowString86(unsigned char lin,unsigned char column, unsigned char *string) { unsigned char ch;unsigned char i=0;for(i=0;string[i]!='\0';i++){if(i+column >20) //保证字符不会起过可显示长度.break;ch=string[i]-0x20; //将ASC字符从32-127位置移到0-96位置,以对应ASC86.C中位置Show86(lin,i+column,ASCII86[ch]);}}//******************************************************************* ***********//反显一个8*6字块只适合LCD19264屏,芯片KS0108(HD61202)//lin:行(0-8), column: 列(0-31)void ReverseShow86(unsigned char lin,unsigned char column){ unsigned char i,j=0;unsigned char tab[6];if(column>31) //列地址大于31返回{return;}//第0-9个字列if(column<=9){ SelectScreE(1); //如果列数(0-9),则写在第一屏上(左屏)SetColumn((column<<3)-(column<<1)); //计算列地址,以6为倍数.每6列显示一个字符.SetLine(lin); //设置行//tab[0]=(ReadByte()); //空读!!!!! ,进行读操作前,必须空读一次for(i=0;i<6;i++) //读6个字节回来tab[i]=~(ReadByte());SetColumn((column<<3)-(column<<1)); //设回初始列for(i=0;i<6;i++) //写回来字节WriteByte(tab[i]);}//第10个字列else if(column==10){ j=(column<<3)-(column<<1); //暂存列值if(j<=63) //是否为第10个字列的前4列{SelectScreE(1); //前4列显示在左屏SetColumn(j);SetLine(lin);//tab[0]=ReadByte(); //空读!!!!!for(i=0;i<4;i++) //读4个字节回来{tab[i]=~ReadByte();j++; }SetColumn((column<<3)-(column<<1));for(i=0;i<4;i++) //写回来字节WriteByte(tab[i]);}if(j>=64){ column=column-10; //为第10个字列的后2列 SelectScreE(2); //显示在中屏SetColumn(column);SetLine(lin);//tab[0]=ReadByte(); //空读!!!!!for(i=0;i<2;i++) //读6个字节回来{tab[i]=~ReadByte();j++;}SetColumn((column<<3)-(column<<1));for(i=0;i<2;i++) //写回来字节WriteByte(tab[i]);}}//第11-20个字列else if(10<column&&column<21){ SelectScreE(2); //显示在中屏column=column-11; //如果列数(11-20),则写在第一屏上(中屏)SetColumn((column<<3)-(column<<1)+2); //计算列地址,以6为倍数SetLine(lin);//tab[0]=ReadByte(); //空读!!!!! ,进行读操作前,必须空读一次for(i=0;i<6;i++) //读6个字节回来tab[i]=~ReadByte();SetColumn((column<<3)-(column<<1)+2);for(i=0;i<6;i++) //写回来字节WriteByte(tab[i]);}//第21个字列 --对于192*64屏else if(column==21){ j=(column<<3)-(column<<1);if(j<=127){SelectScreE(2);SetColumn(j);SetLine(lin);//tab[0]=ReadByte(); //空读!!!!!for(i=0;i<2;i++) //读6个字节回来{tab[i]=~ReadByte();j++; }SetLine(lin);SetColumn((column<<3)-(column<<1));for(i=0;i<2;i++)WriteByte(tab[i]);}if(j>=128){ column=column-21; //计算字列SelectScreE(3); //显示右屏SetColumn(column);SetLine(lin);//tab[0]=ReadByte(); //空读!!!!!for(i=0;i<4;i++) //读6个字节回来 {tab[i]=~ReadByte();j++;}SetLine(lin);SetColumn((column<<3)-(column<<1));for(i=0;i<4;i++)WriteByte(tab[i]);}}/* //第22-31个字列--对于192*64屏else if(21<column&&column<=31){ SelectScreE(3);column=column-22;SetColumn((column<<3)-(column<<1)+4);SetLine(lin);tab[0]=ReadByte();for(i=0;i<6;i++)tab[i]=~ReadByte();SetLine(lin);SetColumn((column<<3)-(column<<1)+4);for(i=0;i<6;i++)WriteByte(tab[i]);}*/}//******************************************************************* ***********//反显某行某几个字符 LCD19264//lin:行(0-7), column: 列(0-15)void ReverseLinChar(unsigned char lin,unsigned char startcolumn,unsigned char ShowQuantity){ unsigned char i;for(i=0;i<ShowQuantity;i++){if(startcolumn+i>21) //列地址大于21返回return;ReverseShow86(lin,startcolumn+i);}}//******************************************************************* ***********。
LCD12864显示程序
![LCD12864显示程序](https://img.taocdn.com/s3/m/bd33ff26a22d7375a417866fb84ae45c3b35c273.png)
本例程为【2 】经由过程用AT89C52芯片操作LCD12864显示的程序,应用的晶振为12M./**********************************************************程序解释:LCD12864显示主程序程序调试员:莫剑辉调试时光:2010-6-7**********************************************************/#include<reg52.h>#include"12864.c"void main(){Ini_Lcd(); //液晶初始化子程序Disp(1,0,6,"莫剑辉"); //显示数据到LCD12864子程序while(1);}这里我们经由过程挪用下面的头文件就可以了,如许的做法便利我们今后要用到LCD12864的程序的挪用./**********************************************************程序解释:LCD12864显示头文件程序调试员:莫剑辉调试时光:2010-6-7**********************************************************///#include<reg52.h>#define uchar unsigned char#define uint unsigned int#define DATA P2 //数据输出端0~7sbit RS=P0^0; //LCD12864 RS端sbit RW=P0^1; //LCD12864 RW端sbit E =P0^2; //LCD12864 E 端sbit PSB =P0^3;/********************************************* 延时子程序*********************************************/ void Delay_1ms(uint x){uint j,i;for(j=0;j<x;j++){for(i=0;i<120;i++); //延时X乘以120}}/********************************************* LCD12864液晶测忙子程序(读状况)*********************************************/ void Busy(){uchar busy;do{E = 0; //0为封闭使能端,1为打开使能端RS = 0; //1为指令,0为数据RW = 1; //1为读,0为写Delay_1ms(20); //延时20乘以120时光E = 1; //0为封闭使能端,1为打开使能端busy=P1; //读取P2状况Delay_1ms(20); //延时20乘以120时光E = 0; //0为封闭使能端,1为打开使能端}while(busy&0x80); //断定BUSY位是否工作:1为内部在工作,0为正常状况}/*********************************************LCD12864液晶数据写入子程序*********************************************/void Write_Data(uchar k){Busy(); //测忙E =1;//0为封闭使能端,1为打开使能端RS=1;//1为指令,0为数据RW=0;//1为读,0为写DATA=k;//输入数据K到DATADelay_1ms(20);//延时20乘以120时光E =0; //0为封闭使能端,1为打开使能端Delay_1ms(20); //延时20乘以120时光}/*********************************************LCD12864液晶敕令写入子程序*********************************************/void Write_Cmd(uchar cmd){Busy(); //测忙E=1;//0为封闭使能端,1为打开使能端RS=0; //1为指令,0为数据RW=0;//1为读,0为写DATA=cmd; //输入敕令cmd到DATADelay_1ms(20);//延时20乘以120时光E=0;//0为封闭使能端,1为打开使能端Delay_1ms(20);//延时20乘以120时光}/*********************************************LCD12864液晶数据显示子程序*********************************************/void Disp(uchar y,uchar x,uchar i,uchar *z){uchar Address;if(y==1){Address=0x80+x;} //Y断定第几行,X断定第几列,0x80为液晶行初始地址if(y==2){Address=0x90+x;}if(y==3){Address=0x88+x;}if(y==4){Address=0x98+x;}Write_Cmd(Address); //写入地址敕令到LCD12864while(i) //写入显示数据的大小{Write_Data(*(z++)); //写入显示数据到LCD12864i--;}}/********************************************* LCD12864液晶初始化子程序*********************************************/ void Ini_Lcd(void){PSB=1;Delay_1ms(20);Write_Cmd(0x30); //根本指令集Delay_1ms(20);Write_Cmd(0x02); // 地址归位Delay_1ms(20);Write_Cmd(0x0c); //整体显示打开,游标封闭Delay_1ms(20);Write_Cmd(0x06); //游标右移Delay_1ms(20);Write_Cmd(0x80); //设定显示的肇端地址Delay_1ms(20);Write_Cmd(0x01); //消除显示}。
LCD12864显示图形程序
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COM
EQU 20H ;指令数据寄存器
DAT
EQU 21H ;显示数据寄存器
;********************************变量定义结束**********************************
;*********************************程序开始************************************
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。利用状态 读指令,可以将BF读到DB7总线,从而检验LCD的工作状态 4. 显示控制触发器DFF
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 OFF DDRAM的内容就显示在屏幕上;DFF=0为关显示。DISPLAY OFF DDRAM的状态是指 令显示ON/OFF和RST信号控制的。 5. XY地址计数器
2.2 程序功能
LCD 会每隔 1 秒显示一个画面,共 3 个画面,一直循环下去。 第 1 秒:
第 2 秒: 第 3 秒:
8
嵌入式应用软件园,版权所有,请勿转载/销售。
第 3 章程序代码
3.1 文本版代码
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第 3 章程序代码 .....................................................................................9 3.1 文本版代码 ................................................................................ 9 3.2 图片版代码 .............................................................................. 21
LCD12864菜单程序
![LCD12864菜单程序](https://img.taocdn.com/s3/m/cf17c3bf90c69ec3d4bb7561.png)
一起来学LCD12864菜单程序(包含完整程序)一起来学LCD12864菜单程序(包含完整程序)/*-------------------------------------------项目名:家电中央控制系统工程程序名:显示MCU总体程序编写人:杜洋初写时间:2005年9月5日晚20时程序功能:实现液晶、语音部分的人机对话和总线的通信实现方法:用中断实现总线接收CPU说明:89S5212MHZ晶振接口说明:(详见初定义)信息说明:修改日志:NO.1--------------------------------------------*/;----------------------------------------初定义LCDDAT EQU P2RS EQU P3.5RW EQU P3.6E EQU P3.7REDLED EQU P3.4BACKLED EQU P3.1PLAY EQU P1.7STOPIN EQU P3.0LIN EQU P3.2SPDAT EQU P1XX2 EQU P0.0LT_RAM EQU 30HLR_RAM EQU 40HSP_RAM EQU 20HDIS1_RAM EQU 50HDIS2_RAM EQU 70HDIS3_RAM EQU 60HDIS4_RAM EQU 80HRR1 EQU 26HRR3 EQU 21HRR4 EQU 22HT0_RAM EQU 23HQR3_RAM EQU 24HQR2_RAM EQU 25HLCDDISPLAY EQU 26H ;菜单显示移位寄存器MENU_RAM EQU 27H;菜单位置寄存器ONOFFLCD EQU 28H;-------------------------------------程序入口ORG 0000HJMP LCD_STARTORG 0003HJMP LIN_INT0ORG 000BHJMP LED_T0ORG 0030H;--------------------------------------主程序开始LCD_START br>SETB PLAYMOV T0_RAM,#250MOV TMOD,#01HSETB ET0MOV TL0,#0B0H ;50MS 定时初值(T0计时用)MOV TH0,#3CH ;50MS定时初值CLR IT0SETB EX0SETB TR0SETB EAMOV DPTR,#TAB_0CALL START_LCD;-----自检程序CALL DL1SMOV MENU_RAM,#00HMOV DPTR,#TAB_HCALL START_LCDCLR LCDDISPLAY;--------------------------------------主循环体程序LCD_LOOP br>JB ONOFFLCD,DISPLAY_PROLCD_LOOP_1br>JMP LCD_LOOP;---------------------------- 菜单显示处理DISPLAY_PRO br>MOV A,MENU_RAMMOV DPTR,#MENUTAB_HOSTRLC AJMP @A+DPTRMENUNEXT br>CALL START_LCDCLR LCDDISPLAYCLR ONOFFLCDJMP LCD_LOOP;-------------------------MENUTAB_HOST:JMP HOST_H ;主菜单JMP HOST_1 ; 1,控制JMP HOST_2 ; 2,设置JMP HOST_3 ; 3,智能JMP HOST_4 ; 4,帮助<。
lcd12864显示程序
![lcd12864显示程序](https://img.taocdn.com/s3/m/50b8145af01dc281e53af068.png)
/*************************************************名称:LCD12864_ST7920并行测试程序试验功能:测试基于ST7920控制芯片的LCD12864的显示并行方式连接;晶振11.0592M编写:*************************************************/#include <reg52.h>#include <ziku.h>#include <intrins.h>#define uchar unsigned char#define uint unsigned int //宏定义/*****LCD接口定义*****/sbit LCD_RS = P2^0; //1:输入数据;0:输入命令sbit LCD_RW = P2^1; //1:读数据0:写数据sbit LCD_EN = P2^2; //LCM使能端sbit LCD_PSB = P2^3; //串并口选择1:并口模式; 0:串口模式;#define LCD_DATA P0 //LCD总线端口/*****LCD功能初始化指令*****/#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/*****汉字地址表*****/uchar code addr_tab[]={ //便于根据汉字坐标求出地址0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,//第一行汉字位置0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,//第二行汉字位置0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,//第三行汉字位置0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,//第四行汉字位置};/*****n(ms)延时子程序*****/void delayms(uint t) //约延时n(ms){uint i;while(t--){for(i=0;i<125;i++);}}/*****等待LCD忙*****/void WaitBusy(void) //延时一小段时间,等待LCD空闲{uchar i=5;while(i--);}/*****写指令代码*****/void Lcd_WriteCmd(uchar cmdcode){LCD_RS = 0;LCD_RW = 0;LCD_EN = 1;WaitBusy();LCD_DATA = cmdcode;LCD_EN = 0;}/*****写数据*****/void Lcd_WriteData(uchar dispdata){LCD_RS = 1;LCD_RW = 0;LCD_EN = 1;WaitBusy();LCD_DATA = dispdata;LCD_EN = 0;}/*****初始化LCD*****/void Lcd_Init(){LCD_PSB = 1;delayms(50);Lcd_WriteCmd(0x30); //选择基本指令集delayms(1);Lcd_WriteCmd(0x30); //选择8bit数据流delayms(1);Lcd_WriteCmd(0x0c); //开显示(无游标、不反白)delayms(1);Lcd_WriteCmd(0x01); //清除显示,并且设定地址指针为00Hdelayms(20);}/*****显示汉字*****/void hanzi_Disp(uchar x,uchar y,uchar code *s){ //x、y为汉字坐标Lcd_WriteCmd(addr_tab[8*x+y]); //写地址while(*s>0){Lcd_WriteData(*s); //写数据s++;}}/*****显示图片(显示Gdram内容)*****//*绘图显示的步骤1 关闭绘图显示功能2 先将垂直的坐标(Y)写入绘图RAM地址3 再将水平的位元组坐标(X)写入绘图RAM地址4 将D15-D8写入RAM中5 将D7-D0写入到RAM中6 打开绘图显示功能*///图片取模方式:横向取模,字节正序void pic_Disp(uchar *pic) //显示Gdram内容(显示图片){uchar x,y,i;for(i=0;i<9;i=i+8)for(y=0;y<32;y++){for(x=0;x<8;x++){Lcd_WriteCmd(0x36); //扩充指令,开绘图显示Lcd_WriteCmd(0x80+y); //行地址Lcd_WriteCmd(0x80+x+i); //列地址Lcd_WriteData(*pic++); //写数据D15-D8Lcd_WriteData(*pic++); //写数据D7-D0Lcd_WriteCmd(0x30);}}}/*****整屏显示竖条*****///当i=0时显示上面128×32,当i=8时显示下面128×32//当i=0时显示上面128×32,当i=8时显示下面128×32void LcdFill_Vertical(){uchar x,y,i;for(i=0;i<9;i=i+8)for(y=0;y<0x20;y++){for(x=0;x<8;x++){Lcd_WriteCmd(0x36); //扩充指令绘图显示Lcd_WriteCmd(y+0x80); //行地址Lcd_WriteCmd(x+0x80+i); //列地址Lcd_WriteData(0x55); //写数据D15-D8Lcd_WriteData(0x55); //写数据D7-D0Lcd_WriteCmd(0x30);}}}/*****整屏显示横条*****/void LcdFill_Level(){uchar x,y,i;uchar k;for(i=0;i<9;i+=8)for(y=0;y<0x20;y++){if((y%2)==1) k=0xff;else k=0;for(x=0;x<8;x++){Lcd_WriteCmd(0x36); //扩充指令绘图显示Lcd_WriteCmd(y+0x80); //行地址Lcd_WriteCmd(x+0x80+i); //列地址Lcd_WriteData(k);Lcd_WriteData(k);Lcd_WriteCmd(0x30);}}}/*****整屏充满亮点或暗点*****///当i=0时显示上面128×32,当i=8时显示下面128×32 //当i=0时显示上面128×32,当i=8时显示下面128×32 void Lcd_Fill(uchar test){for(i=0;i<9;i=i+8)for(y=0;y<0x20;y++){for(x=0;x<8;x++){Lcd_WriteCmd(0x36); //扩充指令绘图显示Lcd_WriteCmd(y+0x80); //行地址Lcd_WriteCmd(x+0x80+i); //列地址Lcd_WriteData(test); //写数据D15-D8Lcd_WriteData(test); //写数据D7-D0 Lcd_WriteCmd(0x30);}}}/*****主函数*****/void main(void){Lcd_Init();while(1){Lcd_Init();hanzi_Disp(0,0,"ST7920型液晶模块");hanzi_Disp(1,1,"并行测试程序");hanzi_Disp(2,0,"");hanzi_Disp(3,3,"");delayms(2000);Lcd_Init();// Lcd_Fill(0xff);hanzi_Disp(1,2,"坏点检测");delayms(500);Lcd_Init();Lcd_Fill(0xff);delayms(1500);Lcd_Init();LcdFill_Vertical();delayms(750);Lcd_Init();LcdFill_Level();delayms(750);hanzi_Disp(1,2,"显示汉字");delayms(500);Lcd_Init();hanzi_Disp(0,0,tangshi);delayms(1500);Lcd_Init();hanzi_Disp(1,2,"显示图片");delayms(500);Lcd_Init();pic_Disp(LCDsheji);delayms(1000);Lcd_Init();pic_Disp(rmb);delayms(1000);Lcd_Init();pic_Disp(qiche);delayms(1000);Lcd_Init();pic_Disp(gongji);delayms(1000);Lcd_Fill(0x00); //清显示RAMdelayms(500);}}以下是字库头文件:ziku.hunsigned char code tangshi[]={"黄河远上白云间,羌笛何须怨杨柳,一片孤城万仞山。
12864显示汉字,图型,任意点,任意直线程序(绝对能用)
![12864显示汉字,图型,任意点,任意直线程序(绝对能用)](https://img.taocdn.com/s3/m/862c5d0d52ea551810a68730.png)
#include<stdio.h>#include<reg52.h>#include<math.h>#include<intrins.h>sbit RS=P0^0;sbit RW=P0^1;sbit E=P0^2;sbit PSB=P0^3;sbit RES=P0^4;#define LCD12864_DatePort P2unsigned char lcd_x,lcd_y;unsigned char h[]={"aaaaaaaaaaaaaaaa"};unsigned char code image[1024]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0B,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0xC0,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x01,0xFF,0xE0,0x00,0x00,0x00,0x1F,0xC1,0xC0,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x07,0xFF,0xF8,0x00,0x00,0x00,0xFF,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x1F,0xFF,0xFC,0x00,0x00,0x01,0xFF,0xFE,0x1F,0x80,0x00,0x00,0x00,0x00, 0x00,0x00,0x3F,0xFF,0xFF,0x00,0x00,0x07,0xFF,0xFF,0x9E,0xC0,0x00,0x00,0x00,0x00, 0x00,0x00,0x7F,0xFF,0xFF,0x80,0x00,0x0F,0xFF,0xFF,0xEC,0x60,0x00,0x00,0x00,0x00, 0x00,0x00,0xFF,0xFF,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xE0,0x40,0x00,0x00,0x00,0x00, 0x00,0x01,0xFF,0x3E,0x3F,0xC0,0x00,0x1F,0xE3,0xE7,0xF0,0x80,0x00,0x00,0x00,0x00, 0x00,0x01,0xFE,0x1E,0x1F,0xE0,0x00,0x3F,0xE3,0xC3,0xF9,0x00,0x00,0x00,0x00,0x00, 0x00,0x03,0xFC,0x1C,0x1F,0xE0,0x00,0x3F,0xC1,0xC3,0xFC,0x00,0x00,0x00,0x00,0x00, 0x00,0x03,0xFC,0x6D,0x9F,0xF0,0x00,0x7F,0xC1,0x81,0xFE,0x00,0x00,0x00,0x00,0x00, 0x00,0x07,0xFC,0x6D,0x8F,0xF0,0x00,0x7F,0xCD,0xB1,0xFE,0x00,0x00,0x00,0x00,0x00, 0x00,0x07,0xFC,0x6D,0x9F,0xF0,0x00,0x7F,0xCF,0xB1,0xFF,0x00,0x00,0x00,0x00,0x00, 0x00,0x07,0xFC,0x1C,0x1F,0xF0,0x00,0xFF,0xC5,0xF3,0xFF,0x00,0x00,0x00,0x00,0x00, 0x00,0x07,0xFE,0x1E,0x1F,0xF8,0x00,0xFF,0xE3,0xC3,0xFF,0x00,0x00,0x00,0x00,0x00, 0x00,0x07,0xFF,0x3E,0x3F,0xF8,0x00,0xFF,0xE3,0xE7,0xFF,0x00,0x00,0x00,0x00,0x00, 0x00,0x0F,0xFF,0xF3,0xFF,0xF8,0x00,0xFF,0xFE,0x7F,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x0F,0xF8,0xC1,0xCF,0xFC,0x00,0xFF,0x9C,0x38,0xFF,0x80,0x00,0x00,0x00,0x00, 0x00,0x0F,0xE0,0x7F,0x83,0xFC,0x01,0xFE,0x0F,0xF0,0x3F,0x80,0x00,0x00,0x00,0x00, 0x00,0x1F,0xFF,0x00,0x3F,0xFC,0x01,0xFF,0xE0,0x07,0xFF,0x80,0x00,0x00,0x00,0x00, 0x00,0x1F,0xFF,0xFB,0xFF,0xFC,0x01,0xBF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00, 0x00,0x1F,0xFF,0xFF,0xFF,0xFC,0x01,0xDF,0xFF,0xFF,0xFB,0x80,0x00,0x00,0x00,0x00, 0x00,0x3F,0xFF,0xFF,0xFF,0xFC,0x03,0xC7,0xFF,0xFF,0xE7,0x80,0x00,0x00,0x00,0x00, 0x00,0x7F,0xFF,0xFF,0xFF,0xFC,0x07,0xC1,0xFF,0xFF,0x8F,0xC0,0x00,0x00,0x00,0x00, 0x00,0xFF,0xFF,0xFF,0xFF,0xFE,0x0F,0xE0,0x3F,0xFC,0x3F,0xC0,0x00,0x00,0x00,0x00, 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0xF8,0x00,0x00,0x7F,0xE0,0x00,0x00,0x00,0x00, 0x01,0xFC,0x7F,0xFF,0xFF,0x3F,0x1F,0x8E,0x00,0x00,0xE3,0xF0,0x00,0x00,0x00,0x00, 0x03,0xF8,0x7F,0xFF,0xFC,0x1F,0xBF,0x87,0xC8,0x1F,0x83,0xF0,0x00,0x00,0x00,0x00, 0x03,0xF8,0x7F,0xFF,0xE0,0x1F,0xFF,0x87,0xFF,0xFC,0x01,0xF8,0x00,0x00,0x00,0x00, 0x03,0xF8,0x7F,0x00,0x00,0x1F,0xFF,0x04,0xE0,0x00,0x01,0xF8,0x00,0x00,0x00,0x00, 0x07,0xF8,0x7F,0x00,0x00,0x0F,0xFF,0x04,0x60,0x00,0x01,0xF8,0x00,0x00,0x00,0x00, 0x07,0xF8,0x7F,0x00,0x00,0x0F,0xFF,0x0C,0x60,0x00,0x01,0xFC,0x00,0x00,0x00,0x00, 0x07,0xF8,0x7F,0x00,0x00,0x0F,0xFF,0x0C,0x60,0x00,0x01,0xFC,0x00,0x00,0x00,0x00, 0x07,0xF8,0x7F,0x00,0x00,0x0F,0xFF,0x06,0x60,0x00,0x01,0xFC,0x00,0x00,0x00,0x00, 0x07,0xB8,0x3E,0x00,0x00,0x19,0xF3,0x87,0xE0,0x00,0x01,0xBC,0x00,0x00,0x00,0x00, 0x07,0x18,0x00,0x00,0x00,0x18,0xE3,0x80,0x00,0x00,0x01,0x18,0x00,0x00,0x00,0x00, 0x00,0x1C,0x00,0x00,0x00,0x10,0x01,0x80,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00, 0x00,0x0C,0x00,0x00,0x00,0x30,0x01,0xC0,0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00, 0x00,0x06,0x00,0x00,0x00,0x60,0x00,0xE0,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00, 0x00,0x03,0x00,0x00,0x00,0x40,0x00,0x70,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00, 0x00,0x03,0x80,0x00,0x00,0xC0,0x00,0x78,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00, 0x00,0x0D,0xE0,0x00,0x03,0xB8,0x01,0x9C,0x00,0x00,0x3B,0x00,0x00,0x00,0x00,0x00, 0x00,0x18,0x78,0x00,0x0F,0x7C,0x03,0xCF,0x00,0x00,0xE7,0x80,0x00,0x00,0x00,0x00, 0x00,0x10,0x1C,0x00,0x3E,0xFC,0x03,0xF3,0xE0,0x03,0xDF,0x80,0x00,0x00,0x00,0x00, 0x00,0x1A,0x0B,0xC1,0xE3,0xF8,0x01,0xF8,0xFC,0x3F,0x3F,0x00,0x00,0x00,0x00,0x00, 0x00,0x0F,0xF1,0x80,0xEF,0xE0,0x00,0x7F,0xF0,0x1F,0xFC,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};void delay_ms(unsigned char z) //延时{unsigned i,j;for(i=0;i<z;i++)for(j=0;j<110;j++);}void LCD12864_WriteCmd(unsigned int cmd) //写命令{RS=0;RW=0;E=0;LCD12864_DatePort=cmd;delay_ms(5);E=1;delay_ms(5);E=0;}void LCD12864_WriteDate(unsigned char dat) //写数据{RS=1;RW=0;E=0;LCD12864_DatePort=dat;delay_ms(5);E=1;delay_ms(5);E=0;}void LCD12864_Init(){PSB=1; //1并行,0串行LCD12864_WriteCmd(0x30); //基本指令操作//delay_ms(5);LCD12864_WriteCmd(0x0c); //显示开,关光标//delay_ms(5);LCD12864_WriteCmd(0x01); //清除led的显示内容//delay_ms(5);LCD12864_WriteCmd(0x06);}/*====================================================函数功能:清除GCROM的内容,如果不清除会出现花屏现象清除方法:向GCROM中写入0x00来清除内========================================================*/ void LCD12864_ClearGDRAM(){unsigned char i,j,k;lcd_x=0x80;lcd_y=0x80;LCD12864_WriteCmd(0x34);for(i=0;i<2;i++){for(j=0;j<32;j++){LCD12864_WriteCmd(lcd_y+j);LCD12864_WriteCmd(lcd_x);for(k=0;k<16;k++){LCD12864_WriteDate(0x00);}}lcd_x=0x88;}LCD12864_WriteCmd(0x36);LCD12864_WriteCmd(0x30);}/*================================================================ 函数功能:向12864中写入一幅图片函数参数:lcd_x为水平显示位置,lcd_y为垂直显示位置,函数将12864屏分成上下两屏写入,上半屏LCD_x=0x80,下半屏lcd_x=0x88=================================================================*/ void LCD12864_WriteImage(unsigned char *p){unsigned char i,j,k;lcd_x=0x80;lcd_y=0x80;LCD12864_WriteCmd(0x34);for(i=0;i<2;i++) //分为上下两屏{for(j=0;j<32;j++){LCD12864_WriteCmd(lcd_y+j);LCD12864_WriteCmd(lcd_x);for(k=0;k<16;k++) //写入显示数据{LCD12864_WriteDate(*p++);}}lcd_x=0x88;}LCD12864_WriteCmd(0x36);LCD12864_WriteCmd(0x30);}bit LCD12864_CheckBusy() //读忙碌状态{bit i;RS=0;RW=1;E=1;LCD12864_DatePort=0xff;delay_ms(1);i=(bit)(LCD12864_DatePort&0x80);E=0;return(i);}unsigned char LCD12864_ReadByte( void ){unsigned char ReturnValue ;LCD12864_CheckBusy() ;LCD12864_DatePort = 0xff ;RS=1;RW=1;E=0;E=1;ReturnValue =LCD12864_DatePort;E=0;return ReturnValue ;}void LCD12864_DrawPoint( unsigned char X, unsigned char Y, unsigned char Color ) {unsigned char Row , Tier , Tier_bit ;unsigned char ReadOldH, ReadOldL ;LCD12864_WriteCmd( 0x34 ) ;LCD12864_WriteCmd( 0x36 ) ;Tier = X >> 4 ;Tier_bit = X & 0x0f ;if( Y < 32 ){Row = Y ;}else{Row = Y - 32 ;Tier += 8 ;}LCD12864_WriteCmd( Row + 0x80 ) ;LCD12864_WriteCmd( Tier + 0x80 ) ;LCD12864_ReadByte();ReadOldH = LCD12864_ReadByte() ;ReadOldL = LCD12864_ReadByte() ;LCD12864_WriteCmd( Row + 0x80 ) ;LCD12864_WriteCmd( Tier + 0x80 ) ;if( Tier_bit < 8 ){switch( Color){case 0 : ReadOldH &=( ~( 0x01 << ( 7 - Tier_bit ))) ; break ;case 1 : ReadOldH |= ( 0x01 << ( 7 - Tier_bit )) ; break ;case 2 : ReadOldH ^= ( 0x01 << ( 7 - Tier_bit )) ; break ;default : break ;}LCD12864_WriteDate( ReadOldH ) ;LCD12864_WriteDate( ReadOldL ) ;}else{switch(Color){case 0 : ReadOldL &= (~( 0x01 << ( 15 - Tier_bit ))) ; break ;case 1 : ReadOldL |= ( 0x01 << ( 15 - Tier_bit )) ; break ;case 2 : ReadOldL ^= ( 0x01 << ( 15 - Tier_bit )) ; break ;default : break ;}LCD12864_WriteDate( ReadOldH ) ;LCD12864_WriteDate( ReadOldL ) ;}LCD12864_WriteCmd( 0x30 ) ;}void LCD12864_DrawLine_X( unsigned char X0, unsigned char X1, unsigned char Y, unsigned char Color ){ unsigned char Temp ;if( X0 > X1 ){Temp = X1 ;X1 = X0 ;X0 = Temp ;}for( ; X0 <= X1 ; X0++ )LCD12864_DrawPoint( X0, Y, Color ) ;}void LCD12864_DrawLine_Y( unsigned char X, unsigned char Y0, unsigned char Y1, unsigned char Color ){unsigned char Temp ;if( Y0 > Y1 ){Temp = Y1 ;Y1 = Y0 ;Y0 = Temp ;}for(; Y0 <= Y1 ; Y0++)LCD12864_DrawPoint( X, Y0, Color) ;}void LCD12864_DrawLine( unsigned char StartX, unsigned char StartY, unsigned char EndX, unsigned char EndY, unsigned char Color ){int t, distance; /*根据屏幕大小改变变量类型(如改为int型)*/int x = 0 , y = 0 , delta_x, delta_y ;char incx, incy ;delta_x = EndX - StartX ;delta_y = EndY - StartY ;if( delta_x > 0 ){incx = 1;}else if( delta_x == 0 ){LCD12864_DrawLine_Y( StartX, StartY, EndY, Color ) ;return ;}else{incx = -1 ;}if( delta_y > 0 ){incy = 1 ;}else if(delta_y == 0 ){LCD12864_DrawLine_X( StartX, EndX, StartY, Color ) ;return ;}else{incy = -1 ;}delta_x = abs( delta_x );//求绝对值delta_y = abs( delta_y );if( delta_x > delta_y ){distance = delta_x ;}else{distance = delta_y ;}LCD12864_DrawPoint( StartX, StartY, Color ) ;/* Draw Line*/for( t = 0 ; t <= distance+1 ; t++ ){LCD12864_DrawPoint( StartX, StartY, Color ) ;x += delta_x ;y += delta_y ;if( x > distance ){x -= distance ;StartX += incx ;}if( y > distance ){y -= distance ;StartY += incy ;}}}void LCD12864_DrawCross(){LCD12864_DrawLine_X( 0, 127 , 0, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 7, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 15, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 23, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 31, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 39, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 47, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 55, 1 ) ;LCD12864_DrawLine_X( 0, 127 , 63, 1 ) ;LCD12864_DrawLine_Y( 0, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 15, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 31, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 47, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 63, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 79, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 95, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 111, 0 , 63, 1 ) ;LCD12864_DrawLine_Y( 127, 0 , 63, 1 ) ;}void LCD12864_Draw_ObliqueLine(){LCD12864_DrawLine( 0, 0, 127, 63, 1 ) ;LCD12864_DrawLine( 0, 63, 127, 0 , 1 ) ;LCD12864_DrawLine( 12, 0, 127, 63, 1 ) ;LCD12864_DrawLine( 52, 63, 127, 0 , 1 ) ;LCD12864_DrawLine( 32, 63, 98, 0, 1 ) ;LCD12864_DrawLine( 67, 0, 127, 63 , 1 ) ;}void LCD12864_DisplayOneChar(unsigned char X, unsigned char Y, unsigned char Data) {switch(Y){case 0:Y=0X80;break; //根据行数来选择相应地址case 1:Y=0X90;break;case 2:Y=0X88;break;case 3:Y=0X98;break;}LCD12864_WriteCmd( Y+X ); //这里不检测忙信号,发送地址码LCD12864_WriteDate(Data);}void LCD12864_DisplayListChar(unsigned char X, unsigned char Y, unsigned char *Data) {switch(Y){case 0:Y=0X80;break; //根据行数来选择相应地址case 1:Y=0X90;break;case 2:Y=0X88;break;case 3:Y=0X98;break;}LCD12864_WriteCmd( Y+X ); //这里不检测忙信号,发送地址码X = X*2;Y = 0;while( Data[Y] != 0 ) //若到达字串尾则退出{if (X <= 0x0F) //X坐标应小于0xF{LCD12864_WriteDate(Data[Y]);X++;Y++;}else break;}}void main(){LCD12864_Init();// write_com(0x1c);LCD12864_ClearGDRAM();//LCD12864_WriteImage(image);//LCD12864_Draw_ObliqueLine();LCD12864_DrawCross();//LCD12864_DisplayListChar(0,0,h);while(1);}。
LCD12864液晶显示原理电路图程序
![LCD12864液晶显示原理电路图程序](https://img.taocdn.com/s3/m/d00109980912a2161579290e.png)
号.脚。
H H D7 D6 D5 D4 D3 D2 D1 D0功能:从DD RAM读数据,读指令执行后Y地址计数器自动加1。
从DD RAM读数据前要先执行“设置页地址”及“设置列地址”命令。
六、接口时序1.写操作时序时序11.读操作时序时序2时序参数表:名称符号最小值典型值最大值单位ns1000 Tcyc E周期时间ns Pweh450 高电平宽度E ns Pwel450 E低电平宽度nsTr 25 上升时间Ens E下降时间 Tf 25#0B8MOV R2, #40H#00H ,MOV R1MOV DPTR,#ADDR LOOP:MOV A, R1A MOVC , @A+DPTRLCALL DATA INC R1LOOPR2, DJNZ带中文字库的128X64是一种具有4位/8位并行、2线或3线串行多种接口方式,内部含有国标一级、二级简体中文字库的点阵图形液晶显示模块;其显示分辨率为128×64, 内置8192个16*16点汉字,和128个16*8点ASCII字符集.利用该模块灵活的接口方式和简单、方便的操作指令,可构成全中文人机交互图形界面。
可以显示8×4行16×16点阵的汉字. 也可完成图形显示.低电压低功耗是其又一显著特点。
由该模块构成的液晶显示方案与同类型的图形点阵液晶显示模块相比,不论硬件电路结构或显示程序都要简洁得多,且该模块的价格也略低于相同点阵的图形液晶模块。
基本特性:l 低电源电压(VDD:++)l 显示分辨率:128×64点l 内置汉字字库,提供8192个16×16点阵汉字(简繁体可选)l 内置 128个16×8点阵字符l 2MHZ时钟频率、半透、正显STN显示方式: ll 驱动方式:1/32DUTY,1/5BIASl 视角方向:6点l 背光方式:侧部高亮白色LED,功耗仅为普通LED的1/5—1/10l 通讯方式:串行、并口可选l 内置DC-DC转换电路,无需外加负压l 无需片选信号,简化软件设计l 工作温度: 0℃ - +55℃ ,存储温度: -20℃ - +60℃模块接口说明*注释1:如在实际应用中仅使用串口通讯模式,可将PSB接固定低电平,也可以将模块上的J8和“GND”用焊锡短接。
LCD12864液晶驱动程序
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/ void LCD_12864_Write_Data(uchar dat) { LCD_12864_BUSY_WAIT(); LCD_12864_RS_1(); LCD_12864_RW_0(); LCD_12864_DATA=dat; LCD_12864_E_1(); LCD_12864_E_0(); } /****************************************************************************** * Function:void LCD_12864_Init(void) Description:液晶初始化 Calls:LCD_12864_Write_Command(); CallS By:Sytem_Init.c 中的 System_Init() Input: None Output:None Others: ******************************************************************************* / void LCD_12864_Init(void) { /*光标的移动方向*/ LCD_12864_Write_Command(0x06); /*开显示,关游标*/ LCD_12864_Write_Command(0x0C); /*开显示,开游标*/ //LCD_12864_Write_Command(0x0F); /*基本指令动作*/ LCD_12864_Write_Command(0x30); } /****************************************************************************** * Function:void LCD_12864_Clean_GDRAM(void) Description:清屏,GDRAM 填满 0 Calls:LCD_12864_Init(); LCD_12864_Write_Command(0x36); LCD_12864_Write_Data(0x00);
lcd12864带字库经典程序
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X++;
Delay5Ms();
}
}
}
/***********短延时********************************************************/
voidDelay5Ms(void)
{
unsignedintTempCyc= 5552;
while(TempCyc--);
WriteDataLCD(DData);
}
/***********按指定位置显示一串字符*****************************************/
voidDisplayListChar(unsignedcharX,unsignedcharY,unsignedcharcode*DData)
voidWriteDataLCD(unsignedcharWDLCD)
{
ReadStatusLCD();//检测忙
LCD_RS= 1;
LCD_RW= 0;
LCD_Data=WDLCD;
LCD_E= 1;
LCD_E= 1;
LCD_E= 0;
}
/***********写指令********************************************************/
sbitLCD_RS=P1^0;
sbitLCD_RW=P1^1;
sbitLCD_E=P1^2;
sbitPSB=P1^6;//PSB脚为-12系列的串、并通讯功能切换,使用位并行接口,PSB=1
/********宏定义***********************************************************/
LCD12864液晶显示器模块化程序51单片机
![LCD12864液晶显示器模块化程序51单片机](https://img.taocdn.com/s3/m/ab1302c7ba0d4a7303763a29.png)
LCD12864 液晶显示器模块化程序(51单片机)/**********************lcd12864.h 头文件**********************/#ifndef _LCD12864_H_#define _LCD12864_H_extern void lcd12864_busy(); //忙标志函数extern void led12864_clear();//清屏extern void lcd12864_init(); //初始化函数extern void lcd12864_pxy(unsigned char p,unsigned char x,unsigned char y);//数据的显示位置,p=0左半屏,p=1右半屏,p=2两半屏全选,xy为显示的坐标,第四象限,用正值表示。
extern void lcd12864_zifu(unsigned char p,unsigned char x,unsigned char,unsigned char m);//第m个字符的显示位置,与汉字的定义一样,只是xy的坐标的值应小于等于7.extern void lcd12864_hanzi(unsigned char p,unsigned char x,unsigned char y,unsigned char m);//第m个汉字的显示位置,p=0左半屏,p=1右半屏,p=2两半屏全选,xy为显示的坐标,第四象限,用正值表示,x或y的值都应小于等于3。
m为显示的第m个汉字。
#endif/**********************lcd12864.c 文件**********************/#include;#define uint unsigned int#define uchar unsigned charsbit cs2=P2^0;sbit cs1=P2^1;sbit e=P2^2;sbit rw=P2^3;sbit rs=P2^4;uchar code zifu[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,//,00x00,0x00,0x58,0x38,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//。
LCD12864(串口)显示程序
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LCD12864(串口)显示程序#ifndef jh_f330#define jh_f330#include#endiftypedef unsigned char uint8;typedef unsigned int uint16;/*************端口配置**************/sbit LCD_CS = P0^4; //片选信号,低电平有效sbit LCD_RST = P0^3; //复位信号,低电平有效sbit LCD_A0 = P0^2; //数据、指令选择,H:数据、L:指令sbit LCD_DAT = P1^0; //串行输入数据引脚sbit LCD_CLK = P1^1; //串行时钟输入引脚uint8 code word1[]={0x04,0x44,0x84,0x04,0xE4,0x1F,0x84,0x44,0xA4,0x3F,0xA4,0x A4,0x64,0x06,0x04,0x00,0x20,0x10,0x09,0x04,0xFF,0x04,0x04,0x14,0x26,0x05,0x84,0xFF,0x04,0x06,0x04,0x00 };/**********预定义数据*********/#define LCD_X 128-1 //屏幕的X轴的物理宽度#define LCD_Y 64-1 //屏幕的Y轴的物理宽度/***********LCD指令集***************///LCD开关命令#define LCD_ON() Wr_Com(0xaf)#define LCD_OFF() Wr_Com(0xae)//设置显示起始行#define LCD_START_LINE 0x40 //起始行地址为,0x40+(0-63)//页地址设置#define LCD_Page 0xb0 //页地址为:0xb0+(0-8)//列地址设置#define LCD_Ad_H 0x10 //列高四位地址:0x10+()#define LCD_Ad_L 0x00 //列低四位地址:0x00+()//行列地址方向设置#define ADC_Norm() Wr_Com(0xa0);#define ADC_Reve() Wr_Com(0xa1);#define Com_Norm() Wr_Com(0xc0);#define Com_Reve() Wr_Com(0xc8);void Init_f330(){/*****内部振荡器配置******/OSCICL=OSCICL+4; //设置系统时钟为24MHZ,ΔT=(0.005*ΔOSCICL)/fbase // OSCICL=OSCICL+22; //设置系统时钟为22.1184MHZ// OSCICL=OSCICL+45; //设置系统时钟为20MHZ //15MHZ--24.5MHZ/********设置分频*********/// OSCICN|=0x00; //设置时钟为八分频,OSCIN复位值为1100000//00:8分频,01:4分频,10:2分频,11:不分频// OSCICN|=0x01; //设置系统时钟4分频// OSCICN|=0x02; //设置系统时钟2分频OSCICN|=0x03; //设置系统时钟不分频// RSTSRC=0x04;// OSCLCN = 0x82; // 设置内部L-F振荡器为40kHZ// CLKSEL = 0x02; // 内部低频振荡器while(OSCLCN&0x40 == 0); // 等待振荡器频率稳定/*****设置看门狗*****/PCA0MD &=~0x40; // 禁止看门狗定时器EA=1;/*****端口初始化******/P0MDIN = 0xff; //复位值为11111111P1MDIN = 0xff; //1为数字输入,0为模拟输入P0MDOUT = 0xff; //复位值为11111111P1MDOUT = 0xff; //1为推挽输出,0为漏极输出XBR0 = 0x00; // 交叉开关使能XBR1 = 0x40; //交叉开关允许,T0接到引脚//XBR1 = 0x48; // ECI连到端口引脚//XBR1 |= 0x08; // PCA0 外部计数输入使能}/***************************************功能:LCD串行写入数据程序**输入:8位数据**输出:无************************************/ void Wr_Dat(uint8 dat) {uint8 Num;LCD_CS = 0; //选通芯片LCD_A0 = 1; //写数据for(Num=0;Num<8;Num++){if((dat&0x80) == 0) LCD_DAT = 0;else LCD_DAT = 1;dat = dat << 1;LCD_CLK = 0;LCD_CLK = 1;}LCD_CS = 1;}/***************************************函数名称:Wr_Com()**功能:LCD串行写入命令程序**输入:8位数据**输出:无************************************/ void Wr_Com(uint8 com) {uint8 Num;LCD_CS = 0; //选通芯片LCD_A0 = 0; //写入命令for(Num=0;Num<8;Num++){if((com&0x80) == 0) LCD_DAT = 0;else LCD_DAT = 1;com = com << 1;LCD_CLK = 0;LCD_CLK = 1;}LCD_CS = 1;}/***************************************功能:LCD全屏显示数据程序**输入:8位数据**输出:无************************************/void LCD_Fill(uint8 dat){uint8 page;uint8 colume;for(page=0;page<8;page++)Wr_Com(LCD_Page+page);Wr_Com(LCD_Ad_H);Wr_Com(LCD_Ad_L);for(colume=0;colume<lcd_x;colume++)< p="">Wr_Dat(dat);}}/***************************************函数名称:LCD_Clear()**功能:LCD清屏程序(全屏填充0x00)**输入:8位数据**输出:无************************************/void LCD_Clear(){LCD_Fill(0x00);}/******************************************************* ** 函数名称: LCD12864_Init** 功能: LCD1286初始化程序** 输入: 无TimeDelay ** 输出: 无********************************************************/ void TimeDelay(int Time){int i;while(Time > 0){for(i = 0;i < 8000;i++){Time --;}}void LCD_Init(void){LCD_RST=0;TimeDelay(200);LCD_RST=1;TimeDelay(200);ADC_Norm();Com_Reve();Wr_Com(0xa2);Wr_Com(0x2c); //vc onTimeDelay(200);Wr_Com(0x2e); //vr onTimeDelay(200);Wr_Com(0x2f); //internal booster,follower,divided onWr_Com(0x24); //set rb/ra=5.29Wr_Com(0x81); //set reference voltage selectWr_Com(0x1d);LCD_ON();Wr_Com(LCD_START_LINE);}/************************************************************** *********函数名称:LCD_Word()**功能:输入单个汉字(16x16符号)**输入:页地址,列地址、字符数组**输出:无*************************************************************** ********/ void LCD_Word(unsigned char row,unsigned char colume,unsigned char *pword){unsigned char page= row;unsigned char col_high=colume>>4;unsigned char col_low =colume&0x0f;unsigned char i;Wr_Com(LCD_Page+page);Wr_Com(LCD_Ad_H+col_high);Wr_Com(LCD_Ad_L+col_low);for(i=0;i<16;i++){Wr_Dat(*(pword+i));}Wr_Com(LCD_Page+page+1);Wr_Com(LCD_Ad_H+col_high);Wr_Com(LCD_Ad_L+col_low);for(i=0;i<16;i++){Wr_Dat(*(pword+16+i));}main(){Init_f330();LCD_Init();LCD_Clear();LCD_Word(1,1,word1);while(1);}</lcd_x;colume++)<>。
LCD12864显示程序(成功版)
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#include<reg51.h>#include<intrins.h>#define uint unsigned int#define uchar unsigned char//--定时使用的IO口--//#define DATA_PORT P0sbit LCD12864_CS = P3^2;sbit LCD12864_RSET = P3^3;sbit LCD12864_RS = P2^6;sbit LCD12864_RW = P2^7;sbit LCD12864_RD = P2^5;//--定义全局函数--//void LcdSt7565_WriteCmd(cmd);void LcdSt7565_WriteData(dat);void Lcd12864_Init();void Lcd12864_ClearScreen(void);void Lcd12864_Write16CnCHAR(uchar x, uchar y,uchar k);void Delay10ms(unsigned int c);unsigned char code table[40][32]={/*-- 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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x24,0x24,0x18,0x00,0x00,/*-- 文字: 都--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x06,0xDA,0x22,0x02,0xFE,0x20,0x26,0x28,0x34,0x24,0x7F,0xA4,0x24,0x24,0x20, 0x00,0x07,0x08,0x10,0x08,0xFF,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0xFF,0x02,0x04,/*-- 文字: 皇--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x00,0x00,0x00,0x7C,0x54,0x54,0x54,0x54,0x55,0x56,0x54,0x7C,0x00,0x00,0x00, 0x00,0x40,0x41,0x49,0x49,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x49,0x49,0x41,0x40,/*-- 文字: 满--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x24,0x24,0x2F,0xE4,0x24,0x24,0xE4,0x2F,0x24,0x24,0x00,0x8C,0x02,0x60,0x10, 0x00,0x7F,0x91,0x49,0x07,0x09,0x19,0x07,0x09,0x11,0xFF,0x00,0x01,0x7E,0x04,0x04,/*-- 文字: 柳--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0xFC,0x04,0x04,0xFC,0x00,0xF8,0x02,0x04,0xFC,0x10,0x90,0xFF,0xD0,0x10,0x10, 0x00,0x07,0x08,0x04,0xFF,0x00,0x0F,0x32,0x44,0x8F,0x01,0x00,0xFF,0x00,0x03,0x04,/*-- 文字: 烟--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0xFE,0x42,0x42,0x42,0xFA,0x42,0x42,0x42,0xFE,0x08,0x10,0xFF,0x00,0x70,0x80, 0x00,0xFF,0x40,0x4C,0x42,0x41,0x46,0x48,0x50,0xFF,0x10,0x08,0x07,0x18,0x60,0x80,/*-- 文字: 胜--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x00,0x10,0x10,0x10,0xFF,0x10,0x10,0x3C,0x40,0x00,0xFE,0x22,0x22,0xFE,0x00, 0x00,0x40,0x42,0x42,0x42,0x7F,0x42,0x42,0x42,0x40,0x00,0xFF,0x82,0x02,0x7F,0x80,/*-- 文字: 绝--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x00,0xE0,0x2C,0x34,0xE4,0x24,0x27,0xE8,0x10,0x20,0x10,0x63,0xAC,0x30,0x20, 0x00,0x70,0x43,0x42,0x42,0x43,0x42,0x42,0x3F,0x00,0x00,0x12,0x12,0x22,0x67,0x22,/*-- 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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x58,0x00,0x00,/*-- 文字: 处--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x00,0x80,0x40,0x20,0x10,0xFF,0x00,0x00,0xF8,0x08,0x08,0x9F,0x60,0x80,0x00, 0x00,0x40,0x41,0x40,0x40,0x40,0x5F,0x40,0x20,0x20,0x13,0x0C,0x13,0x20,0x40,0x81,/*-- 文字: 好--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x80,0x86,0x8A,0x92,0xE2,0x82,0x82,0x80,0x00,0xF0,0x10,0x1F,0xF0,0x10,0x10, 0x00,0x00,0x00,0x00,0x00,0x7F,0x80,0x40,0x00,0x00,0x61,0x16,0x08,0x15,0x22,0x40,/*-- 文字: 春--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x40,0x44,0x54,0x54,0xD4,0x54,0x54,0x5F,0x74,0x54,0xD4,0x54,0x54,0x44,0x40, 0x00,0x04,0x04,0x02,0x01,0xFE,0x92,0x92,0x92,0x92,0x92,0xFE,0x01,0x02,0x04,0x04,/*-- 文字: 年--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x00,0x04,0x44,0x44,0x44,0x44,0xFC,0x44,0x44,0x44,0x44,0xC7,0x18,0x20,0x00, 0x00,0x04,0x04,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x07,0x04,0x04,0x04,/*-- 文字: 一--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*-- 文字: 是--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x00,0x00,0x00,0x7F,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0x7F,0x00,0x00,0x00, 0x00,0x81,0x81,0x89,0x89,0x89,0x89,0x89,0xFF,0x81,0x41,0x21,0x1D,0x21,0x41,0x81,/*-- 文字: 最--*//*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/0x00,0x40,0x40,0x40,0x5F,0x55,0x55,0x55,0x55,0xD5,0x55,0x55,0x5F,0xC0,0x40,0x40, 0x00,0x80,0x80,0x43,0x2D,0x11,0x29,0x47,0x90,0xFF,0x15,0x15,0x25,0x3F,0x60,0x20,/*-- 文字: 。
LCD12864液晶驱动编程指南
![LCD12864液晶驱动编程指南](https://img.taocdn.com/s3/m/bee7dd4a591b6bd97f192279168884868762b800.png)
LCD12864液晶驱动编程指南
1.连接硬件:
2.初始化液晶:
在开始使用液晶之前,需要进行初始化。
初始化过程包括设置液晶的
工作模式、显示模式和其他参数。
通过向液晶发送一系列的指令,可以完
成初始化过程。
3.编写驱动程序:
液晶驱动程序的主要目的是将需要显示的内容以及液晶的控制指令发
送给液晶屏。
根据液晶屏的通信方式,可以采用单片机的IO口直接控制
液晶屏,也可以通过SPI或I2C等接口芯片间接控制。
4.显示图形:
5.显示文本:
除了图形外,液晶还可以显示文本。
可以通过设置显示位置和发送需
要显示的文本来实现。
6.更新显示:
当需要更新液晶上的内容时,可以通过重新设置显示的内容和刷新液
晶来实现。
可以定时刷新液晶,或者通过检测外部事件来触发刷新。
7.扩展功能:
除了基本功能外,还可以实现一些扩展功能,如显示动画、滚动显示、倒计时等。
只需要根据需求编写相应的代码即可实现。
总结:
注意事项:
在编写驱动程序时,需要注意及时更新液晶上的内容,避免频繁刷新导致的卡顿现象。
同时,为了保证程序的可移植性,可以将液晶驱动程序与其他功能模块进行分离,便于代码的维护和移植。
LCD12864程序
![LCD12864程序](https://img.taocdn.com/s3/m/d339a228915f804d2b16c1f9.png)
}
/*======================================
显示框架函数
=======================================*/
void disp_frame(void)
wr_lcd (dat,0x11);
}
else if((i%2==1)&&(i!=7)&&(j%4==0))
{
wr_lcd (dat,0x00);
wr_lcd (dat,0x01);
}
else
{
wr_lcd (dat,0x00);
wr_lcd (dat,0x00);
}
}
}
//wr_lcd (comm,0x36);//扩展功能:绘图显示开
wr_lcd (comm,0x30); //进入基本指令动作,8位MPU
wr_lcd (comm,0x01); //清DDRAM
wr_lcd (comm,0x06); //光标左移,AC自动加一
wr_lcd (comm,0x0c); //开显示,关游标
clear_Wdisp();//清除GDRAM
disp_frame();
wr_lcd (comm,0x30);//确保在基本指令模式,此模式下所写的数据存在DDRAM中
wr_lcd (comm,r); //列地址
wr_lcd (comm,c); //行地址,此处的行地址只能是0x80或0x90
wr_lcd (dat,word1); //以(x,y)为起点的8*16区域内显示一个字符,格式为'字符',如显示a则写为'a'。
LCD12864显示程序之欧阳美创编
![LCD12864显示程序之欧阳美创编](https://img.taocdn.com/s3/m/e9d3665a83d049649a6658a4.png)
本例程为通过用AT89C52芯片操作LCD12864显示的程序,使用的晶振为12M。
/****************************************************** ****程序说明:LCD12864显示主程序程序调试员:莫剑辉调试时间:67******************************************************* ***/#include<reg52.h>#include"12864.c"void main(){Ini_Lcd(); //液晶初始化子程序Disp(1,0,6,"莫剑辉"); //显示数据到LCD12864子程序while(1);}这里我们通过调用下面的头文件就可以了,这样的做法方便我们以后要用到LCD12864的程序的调用。
/****************************************************** ****程序说明:LCD12864显示头文件程序调试员:莫剑辉调试时间:67******************************************************* ***///#include<reg52.h>#define uchar unsigned char#define uint unsigned int#define DATA P2 //数据输出端0~7sbit RS=P0^0; //LCD12864 RS端sbit RW=P0^1; //LCD12864 RW端sbit E =P0^2; //LCD12864 E 端sbit PSB =P0^3;/*********************************************延时子程序*********************************************/void Delay_1ms(uint x){uint j,i;for(j=0;j<x;j++){for(i=0;i<120;i++); //延时X乘以120}}/*********************************************LCD12864液晶测忙子程序(读状态)*********************************************/void Busy(){uchar busy;do{E = 0; //0为关闭使能端,1为打开使能端RS = 0; //1为指令,0为数据RW = 1; //1为读,0为写Delay_1ms(20); //延时20乘以120时间E = 1; //0为关闭使能端,1为打开使能端busy=P1; //读取P2状态Delay_1ms(20); //延时20乘以120时间E = 0; //0为关闭使能端,1为打开使能端}while(busy&0x80); //判断BUSY位是否工作:1为内部在工作,0为正常状态}/*********************************************LCD12864液晶数据写入子程序*********************************************/void Write_Data(uchar k){Busy(); //测忙E =1; //0为关闭使能端,1为打开使能端RS=1; //1为指令,0为数据RW=0; //1为读,0为写DATA=k; //输入数据K到DATADelay_1ms(20); //延时20乘以120时间E =0; //0为关闭使能端,1为打开使能端Delay_1ms(20); //延时20乘以120时间}/*********************************************LCD12864液晶命令写入子程序*********************************************/void Write_Cmd(uchar cmd){Busy(); //测忙E=1; //0为关闭使能端,1为打开使能端RS=0; //1为指令,0为数据RW=0; //1为读,0为写DATA=cmd; //输入命令cmd到DATADelay_1ms(20); //延时20乘以120时间E=0; //0为关闭使能端,1为打开使能端Delay_1ms(20); //延时20乘以120时间}/*********************************************LCD12864液晶数据显示子程序*********************************************/void Disp(uchar y,uchar x,uchar i,uchar *z){uchar Address;if(y==1){Address=0x80+x;} //Y判断第几行,X判断第几列,0x80为液晶行初始地址if(y==2){Address=0x90+x;}if(y==3){Address=0x88+x;}if(y==4){Address=0x98+x;}Write_Cmd(Address); //写入地址命令到LCD12864while(i) //写入显示数据的大小{Write_Data(*(z++)); //写入显示数据到LCD12864i;}}/*********************************************LCD12864液晶初始化子程序*********************************************/void Ini_Lcd(void){PSB=1;Delay_1ms(20);Write_Cmd(0x30); //基本指令集Delay_1ms(20);Write_Cmd(0x02); // 地址归位Delay_1ms(20);Write_Cmd(0x0c); //整体显示打开,游标关闭 Delay_1ms(20);Write_Cmd(0x06); //游标右移Delay_1ms(20);Write_Cmd(0x80); //设定显示的起始地址Delay_1ms(20);Write_Cmd(0x01); //清除显示}。
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else //--------------------------------------l>64;
{CS1_0();CS2_1();
LCD_write_command(lcd_ye+y);
LCD_write_command(lcd_lie+l-64);
if(l<64)//-------------------------------------
{CS1_1();CS2_0();
LCD_write_command(lcd_ye+y);
LCD_write_command(lcd_lie+l);
if(l+j<64)//------------------
{
LCD_write_command(0x3f);_delay_ms(15);
}
//读取数据线
uchar LCD_read()
{
uchar dat;
lcd_ddr =0X00; lcd_port=0XFF;
RW1();asm ("nop"); DI0();
E1(); asm ("nop"); E0();
{LCD_write_command(lcd_lie+j);
LCD_write_data(0x00);}
}
LCD_write_command(0x3f);
}
//显示8x16点阵 y:0-2-4-6l:0-64
void LCD_display816(uchar y,uchar l,uchar *r)
}
//显示多个16x16点阵
void LCD_display16161(uchar y,uchar l,uchar D, uchar *r)
{
uchar i;
for(i=0;i<D;i++)
{LCD_display1616(y,l+i*16,r+32*i);}
}
{
for(i=0;i<120;i++);
}
}
//判断总线忙
void LCD_wait_ready()
{
check_busy:
lcd_ddr =0X00; lcd_port=0XFF;//打开全部引脚
RW1();asm ("nop"); DI0();
#define RST PE5
#define lcd_port PORTD //液晶排线
#define lcd_ddr DDRD //输入输出
#define lcd_ctrl PORTE //控制端口
#define RST0() lcd_ctrl &=~(1<<RST); //复位
//延时子函数
void _delay_us(int x)
{
while(x--);
}
void _delay_ms(int x)
{
unsigned char i;
while(x--)
CS1_1();CS2_1();
LCD_write_command(lcd_ye);
LCD_write_command(lcd_lie);
for (i=0;i<8;i++)
{ LCD_write_command(lcd_ye+i);
for(j=0;j<128;j++)
#define lcd_pin PIND //控制状态的数据
#define RW1() lcd_ctrl |=(1<<RW)
#define RW0() lcd_ctrl &=~(1<<RW); //数据总线
#define DI1() lcd_ctrl |=(1<<DI);
E1(); asm ("nop"); E0();
if (lcd_pin & 0x80) goto check_busy;
}
//写入命令
void LCD_write_command(uchar dat)
{
LCD_wait_ready();
lcd_ddr =0XFF; lcd_port=0XFF;//打开全部引脚
#define RW PE3
#define DI PE2
#define E PE4
#define CS1 PE0
#define CS2 PE1
#define CS2_0() lcd_ctrl &=~(1<<CS2);
#define E1() lcd_ctrl |=(1<<E);
#define E0() lcd_ctrl &=~(1<<E); //使能
#define RST1() lcd_ctrl |=(1<<RST);
{ for (i=0;i<j;i++) LCD_write_data(r[i]); }
else {
for (i=0;i<64-l;i++) LCD_write_data(r[i]); //左半屏幕显示
CS1_0();CS2_1();
{ LCD_display816(y,l+i*8,r+16*i);}
}
//显示16x16点阵
void LCD_display1616(uchar y,uchar l,uchar *r)
{
LCD_show(y, l,16, r );
LCD_show(y+1,l,16,r+16);
LCD_write_command(lcd_ye+y);
LCD_write_command(lcபைடு நூலகம்_lie);
for (i=64-l;i<j;i++) LCD_write_data(r[i]); // 右半屏幕瓶显示
}
#define lcd_starthang 0XC0 // 起始行
#define lcd_ye 0XB8 // 页指令
#define lcd_lie 0X40 // 列指令
dat=lcd_pin;
return dat;
}
//显示函数
//y 页,l:列,0-127;j:显示的字节数;r:字节缓冲地址
void LCD_show(uchar y,uchar l,uchar j,const uchar *r)
{
uchar i;
for (i=0;i<j;i++) LCD_write_data(r[i]);
}
}
//清屏函数
void LCD_QingPing()
{
uchar i,j;
LCD_write_command(0xae);;
{
LCD_show(y, l,8, r );
LCD_show(y+1,l,8,r+8 );
}
//显示多个8x16点阵
void LCD_display8161(uchar y,uchar l,uchar D,uchar *r)
{
uchar i;
for(i=0;i<D;i++)
#define DI0() lcd_ctrl &=~(1<<DI);
#define CS1_1() lcd_ctrl |=(1<<CS1);
#define CS1_0() lcd_ctrl &=~(1<<CS1); //片选信号
#define CS2_1() lcd_ctrl |=(1<<CS2);
RW0();asm ("nop");DI0();
lcd_port=dat;
E1();asm ("nop");E0();
}
//写入数据
uchar fxshow=0;
void LCD_write_data(uchar data)
{
LCD_wait_ready();
lcd_ddr =0XFF; lcd_port=0XFF;
RW0();asm ("nop");DI1();
if(!fxshow) lcd_port=data;else lcd_port=~data;
E1();asm ("nop");E0();
}
//初始化
void LCD_chushihua()