带菜单的LCD1602电子时钟源码与proteus仿真工程

ID:343814 · 发表于 2018-6-3 08:33

基本功能
1.显示日期、时钟
2.显示温湿度
3.带菜单功能，可以轻松扩展N级菜单

设置界面

设置界面

二级菜单

一级菜单

时钟界面

仿真原理图如下（proteus仿真工程文件可到本帖附件中下载）

单片机源程序（菜单处理文件）如下:

#ifndef _Menu_H_
#define _Menu_H_
#include"LCD1602.h" //液晶显示器头文件
#include"KeYsCan.h"
#include"TimEDisPlaY.H"
#define LCD1602MaxDisplaYLinE 2 //LCD最大显示行数
#define UP 0 //上
#define Down 1 //下
//#define LeFt 4 //确定
//#define RigHt 5 //退出
#define Enter 2
#define Esc 3
void NullSubs(void) //空函数
{ }
struct MenuItem code SysTemSet[5]; //这里不声明一下，MainMenu里不能引用
struct MenuItem code BaudRatE[7]; //同上
struct MenuItem code EquipmenT[4]; //同上
//*------------------------------------------------------------------------------
//*目录结构体定义
//*------------------------------------------------------------------------------
struct MenuItem //结构体名称
{ unsigned char MenuCount; //当前层节点数、每层菜单能显示的条目数
unsigned char *DisplayString; //指向菜单标题的字符串
unsigned char (*Subs)(); //指向当前状态应该执行的功能函数
struct MenuItem *ChildrenMenus;//指向当前菜单的下级菜单
struct MenuItem *ParentMenus; //指向当前菜单的上级菜单
} Null;
struct MenuItem code MainMenu[4] = //结构体主菜单
{
{4,"1.SysTem Set ",&Null,SysTemSet,&Null},
{4,"2.EquipmenT ID ",&Null,EquipmenT,&Null},
{4,"3.BaudRatE ",&Null,BaudRatE, &Null},
{4,"4.System Infor ",&Null,&Null, &Null},
};
struct MenuItem code SysTemSet[5] = //系统菜单
{
{5,"1.DatA Set ",&Null,&Null,MainMenu},
{5,"2.TimE Set ",&Null,&Null,MainMenu},
{5,"3.AlarM Set ",&Null,&Null,MainMenu},
{5,"4.BacKLed Set ",&Null,&Null,MainMenu},
{5,"5.Password Set ",&Null,&Null, &Null},
};
struct MenuItem code BaudRatE[7] = //波特率
{
{7,"1.2400 ",&Null,&Null,MainMenu},
{7,"2.4800 ",&Null,&Null,MainMenu},
{7,"3.9600 ",&Null,&Null,MainMenu},
{7,"4.19200 ",&Null,&Null,MainMenu},
{7,"5.38400 ",&Null,&Null,MainMenu},
{7,"6.57600 ",&Null,&Null,MainMenu},
{7,"7.115200 ",&Null,&Null,MainMenu},
};
struct MenuItem code EquipmenT[4] = //设备号
{
{4,"1.No.01 ",&Null,&Null,MainMenu},
{4,"2.No.02 ",&Null,&Null,MainMenu},
{4,"3.NO.03 ",&Null,&Null,MainMenu},
{4,"4.No.04 ",&Null,&Null,MainMenu},
};
struct MenuItem (*MenuPoint) = MainMenu;
char DisplayStart = 0; //显示菜单的开始位置
char UserChoose = 0; //用户的选择
char DisplayPoint = 0; //显示菜单的编号
char MaxItems = 0; //菜单的数量
char Option = 0; //保存用户的菜单编号
//*------------------------------------------------------------------------------
//*显示函数
//*------------------------------------------------------------------------------
void ShowMenu(void)
{
unsigned char i = 0;
MaxItems = MenuPoint[0].MenuCount; //获取当前菜单的条目数
DisplayPoint = DisplayStart;
if (MaxItems > LCD1602MaxDisplaYLinE){ //如果大于能显示的菜单数做处理
for (i = 0;i < LCD1602MaxDisplaYLinE;i++){
LCD1602wRITESTring(i,1,MenuPoint[DisplayPoint].DisplayString);
if ((DisplayPoint) == (UserChoose)){
LCD1602SetWZ(0,0,0x7e); //写小箭头
}
else{
LCD1602SetWZ(i,0,' '); //写空格
}
DisplayPoint += 1; //字符串偏移量+1
if ((DisplayPoint) == (MaxItems)){
DisplayPoint = 0;
}
}
}
else{
for (i = 0;i < LCD1602MaxDisplaYLinE;i++){
LCD1602wRITESTring(i,1,MenuPoint[DisplayPoint].DisplayString);
if ((DisplayPoint) == (UserChoose)){
LCD1602SetWZ(0,0,0x7e); //写小箭头
}
else{
LCD1602SetWZ(i,0,' '); //写空格
}
DisplayPoint += 1; //字符串偏移量+1
if ((DisplayPoint) == (MaxItems)){
DisplayPoint = 0;
}
}
}
}
//*------------------------------------------------------------------------------
//*菜单执行函数
//*------------------------------------------------------------------------------
void ChangeMenu(void)
{ unsigned char GetKeyNum;
GetKeyNum = KeYsCanFuc();
if (GetKeyNum != 0xff){ //确定有功能按键被按下的情况下才执行其功能
ShowMenu(); //显示菜单
switch (GetKeyNum){
case UP:
UserChoose--; //用户菜单的选择
if (UserChoose < 0){
UserChoose = MaxItems - 1;
}
break;
case Down:
UserChoose++;
if (UserChoose == MaxItems){
UserChoose = 0;
}
break;
case Enter:
if ((MenuPoint[UserChoose].Subs) != NullSubs){
(*MenuPoint[UserChoose].Subs)();
}
if (MenuPoint[UserChoose].ChildrenMenus != &Null){
MenuPoint = MenuPoint[UserChoose].ChildrenMenus; //指向子菜单
Option = UserChoose;
UserChoose = 0;
DisplayStart = 0;
}
break;
case Esc:
if (MenuPoint[0].ParentMenus != &Null){
MenuPoint = MenuPoint[0].ParentMenus; //指向父菜单
UserChoose = 0;
DisplayStart = 0;
UserChoose = Option; //恢复先前的菜单
}
break;
}
//*--------------------------------------------------------------------
//*菜单循环处理
if ((UserChoose < DisplayStart) || (UserChoose >= (DisplayStart + 1 ))){
DisplayStart = UserChoose;
}
//*--------------------------------------------------------------------
LCD1602CLEARDisplaY();
ShowMenu();
}
}
#endif