C51单片机_LCD电子时钟

可以手动设置初始时间和修改时间，可以设置闹钟时间，响应时蜂鸣器会响，步进电机会转动

#include <intrins.h>
#include <reg52.h> //包含头文件，一般情况不需要改动，头文件包含特殊功能寄存器的定义
//定义步进电机连接端口
sbit A1=P2^0;
sbit B1=P2^1;
sbit C1=P2^2;
sbit D1=P2^3;sbit RS = P2 ^ 4; //定义端口
sbit RW = P2 ^ 5;//定义读写端口
sbit EN = P2 ^ 6;//数据读写操作总控位
sbit keystop = P1 ^ 0; //停止输入
sbit keyh = P1 ^ 1;//定义修改小时按键
sbit keym = P1 ^ 2;//定义修改分钟按键
sbit keys = P1 ^ 3;//定义修改秒钟按键
sbit SPK = P1 ^ 4;//设置蜂鸣器端口
sbit en_SPK = P1 ^ 5;//停止蜂鸣器端口
sbit led = P1 ^ 6;//设置小灯端口#define RS_CLR RS = 0
#define RS_SET RS = 1#define RW_CLR RW = 0
#define RW_SET RW = 1#define EN_CLR EN = 0
#define EN_SET EN = 1#define Coil_A1 {A1=1;B1=0;C1=0;D1=0;}//A相通电，其他相断电
#define Coil_B1 {A1=0;B1=1;C1=0;D1=0;}//B相通电，其他相断电
#define Coil_C1 {A1=0;B1=0;C1=1;D1=0;}//C相通电，其他相断电
#define Coil_D1 {A1=0;B1=0;C1=0;D1=1;}//D相通电，其他相断电
#define Coil_OFF {A1=0;B1=0;C1=0;D1=0;}//全部断电#define DataPort P0
int year = 2019, month = 6, day = 4;
unsigned char time[10] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
unsigned char count = 0;
unsigned char hour = 0, min = 0, sec = 0;
unsigned char hour_s_clock = 0;
unsigned char hour_g_clock = 0;
unsigned char min_s_clock = 0;
unsigned char min_g_clock = 0;
unsigned char sec_s_clock = 0;
unsigned char sec_g_clock = 0;int month_s = 0;
int month_g = 0;
int day_s = 0;
int day_g = 0;
unsigned char flag = 0;
unsigned char flag2 = 0;
unsigned char mon[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};//12个月份的天数
unsigned char hour_alarm = -1;
unsigned char min_alarm = -1;
unsigned char sec_alarm = -1;unsigned char hour_s_alarm = 0;
unsigned char hour_g_alarm = 0;
unsigned char min_s_alarm = 0;
unsigned char min_g_alarm = 0;
unsigned char sec_s_alarm = 0;
unsigned char sec_g_alarm = 0;
unsigned char Speed;//步进电机转动频率
unsigned char num = 0;//控制LED小灯闪烁频率
//精确延时
void DelayUs2x(unsigned char t) {while (--t);
}
void DelayMs(unsigned char t) {while (t--) {//大致延时1mSDelayUs2x(245);DelayUs2x(245);}
}
//延时程序
void delay(unsigned char z)
{unsigned char x, y;for (x = z; x > 0; x--)for (y = 110; y > 0; y--);
}
//判忙函数
bit LCD_Check_Busy(void) {DataPort = 0xFF;RS_CLR;RW_SET;EN_CLR;_nop_();EN_SET;return (bit)(DataPort & 0x80);
}
//写入命令函数
void LCD_Write_Com(unsigned char com) {// while(LCD_Check_Busy()); //忙则等待DelayMs(5);RS_CLR;RW_CLR;EN_SET;DataPort = com;_nop_();EN_CLR;
}
//写入数据函数
void LCD_Write_Data(unsigned char Data) {// while(LCD_Check_Busy()); //忙则等待DelayMs(5);RS_SET;RW_CLR;EN_SET;DataPort = Data;_nop_();EN_CLR;
}
//清屏函数
void LCD_Clear(void) {LCD_Write_Com(0x01);DelayMs(5);
}
//写入字符串函数
void LCD_Write_String(unsigned char x, unsigned char y, unsigned char *s) {if (y == 0) {LCD_Write_Com(0x80 + x);} else {LCD_Write_Com(0xC0 + x);}while (*s) {LCD_Write_Data(*s);s++;}
}
//写入字符函数
void LCD_Write_Char(unsigned char x, unsigned char y, unsigned char Data) {if (y == 0) {LCD_Write_Com(0x80 + x);} else {LCD_Write_Com(0xC0 + x);}LCD_Write_Data(Data);
}
//LCD初始化函数
void LCD_Init(void) {LCD_Write_Com(0x38); /*显示模式设置*/DelayMs(5);LCD_Write_Com(0x38);DelayMs(5);LCD_Write_Com(0x38);DelayMs(5);LCD_Write_Com(0x38);LCD_Write_Com(0x08); /*显示关闭*/LCD_Write_Com(0x01); /*显示清屏*/LCD_Write_Com(0x06); /*显示光标移动设置*/DelayMs(5);LCD_Write_Com(0x0C); /*显示开及光标设置*/
}
//中断初始化
void interript_init()
{count = 0;hour = 0;min = 0;sec = 0;TMOD = 0x01;//16位定时器TH0 = (65536 - 50000) / 256;TL0 = (65536 - 50000) % 256;TR0 = 1;//定时器T0启动控制位ET0 = 1;EA = 1;//中断总控位EX0 = 1;//外部中断0中断允许位EX1 = 1;//外部中断1中断允许位IT0 = 1;PX0 = 1;//外部中断0中断优先级控制位PX1 = 1;//外部中断1中断优先级控制位
}
//显示时钟
void display() {hour_s_clock = hour / 10;hour_g_clock = hour % 10;min_s_clock = min / 10;min_g_clock = min % 10;sec_s_clock = sec / 10;sec_g_clock = sec % 10;LCD_Write_Char(0, 1, 't');LCD_Write_Char(1, 1, 'i');LCD_Write_Char(2, 1, 'm');LCD_Write_Char(3, 1, 'e');LCD_Write_Char(4, 1, ':');LCD_Write_Char(5, 1, ' ');LCD_Write_Char(6, 1, time[hour_s_clock]);LCD_Write_Char(7, 1, time[hour_g_clock]);LCD_Write_Char(8, 1, '-');LCD_Write_Char(9, 1, time[min_s_clock]);LCD_Write_Char(10, 1, time[min_g_clock]);LCD_Write_Char(11, 1, '-');LCD_Write_Char(12, 1, time[sec_s_clock]);LCD_Write_Char(13, 1, time[sec_g_clock]);
}
//显示闹钟
void display2() {hour_s_alarm = hour_alarm / 10;hour_g_alarm = hour_alarm % 10;min_s_alarm = min_alarm / 10;min_g_alarm = min_alarm % 10;sec_s_alarm = sec_alarm / 10;sec_g_alarm = sec_alarm % 10;LCD_Write_Char(0, 1, 't');LCD_Write_Char(1, 1, 'i');LCD_Write_Char(2, 1, 'm');LCD_Write_Char(3, 1, 'e');LCD_Write_Char(4, 1, ':');LCD_Write_Char(5, 1, ' ');LCD_Write_Char(6, 1, time[hour_s_alarm]);LCD_Write_Char(7, 1, time[hour_g_alarm]);LCD_Write_Char(8, 1, '-');LCD_Write_Char(9, 1, time[min_s_alarm]);LCD_Write_Char(10, 1, time[min_g_alarm]);LCD_Write_Char(11, 1, '-');LCD_Write_Char(12, 1, time[sec_s_alarm]);LCD_Write_Char(13, 1, time[sec_g_alarm]);LCD_Write_Char(14, 1, ' ');LCD_Write_Char(15, 1, ' ');
}void clock(void) {while (1) {DelayMs(5);SPK = !SPK;num++;if (num >= 50) {led = ~led;num = 0;}Speed=2; //调整速度Coil_A1                 //遇到Coil_A1  用{A1=1;B1=0;C1=0;D1=0;}代替DelayMs(Speed);         //改变这个参数可以调整电机转速, 数字越小, 转速越大, 力矩越小Coil_B1DelayMs(Speed);Coil_C1DelayMs(Speed);Coil_D1DelayMs(Speed);if (!en_SPK)return;}
}
//主函数
void main(void) {LCD_Init();month_s = month / 10;month_g = month % 10;day_s = day / 10;day_g = day % 10;LCD_Write_Char(2, 0, '2');LCD_Write_Char(3, 0, '0');LCD_Write_Char(4, 0, '1');LCD_Write_Char(5, 0, '9');LCD_Write_Char(6, 0, '-');LCD_Write_Char(7, 0, time[month_s]);LCD_Write_Char(8, 0, time[month_g]);LCD_Write_Char(9, 0, '-');LCD_Write_Char(10, 0, time[day_s]);LCD_Write_Char(11, 0, time[day_g]);LCD_Write_Char(0, 1, 't');LCD_Write_Char(1, 1, 'i');LCD_Write_Char(2, 1, 'm');LCD_Write_Char(3, 1, 'e');LCD_Write_Char(4, 1, ':');LCD_Write_Char(5, 1, ' ');LCD_Write_String(6, 1, "00-00-00");interript_init();while (1) {if (flag == 1) {display();if (hour_alarm == hour && min_alarm == min && sec_alarm == sec) {display();hour_alarm = -1;min_alarm = -1;sec_alarm = -1;clock();}}}
}
//随时修改时间
void outer_ser(void) interrupt 0 {flag = 1;while (1) {display();if (keyh == 0) //实现小时加一{delay(5);if (keyh == 0) {if (hour != 23)hour++;elsehour = 0;}while (!keyh);delay(5);while (!keyh);}if (keym == 0){ //实现分钟加一delay(5);if (keym == 0){if (min != 59){min++;}else{min = 0;}}while (!keym); //松手检测delay(5);while (!keym);}if (keys == 0){ //实现秒加一delay(5);if (keys == 0) {if (sec != 59) {sec++;} else {sec = 0;}}while (!keys);delay(5);while (!keys);}if (keystop == 0){break;}}
}
//计时器/定时器0，时钟运行
void count0() interrupt 1 {TH0 = (65536 - 50000) / 256;TL0 = (65536 - 50000) % 256;count++;if (count == 20){count = 0;sec++;if (sec == 60){sec = 0;min++;if (min == 60){min = 0;hour++;if (hour == 24){hour = 0;day++;if (day == mon[month - 1]){day = 0;month++;}}}}}
}
//计时器/定时器1，设定闹钟
void outer_ser2(void) interrupt 2 {flag2 = 1;hour_alarm = hour;min_alarm = min;sec_alarm = sec;while (1) {display2();if (keyh == 0){ //实现小时加一delay(5);if (keyh == 0){if (hour_alarm != 23)hour_alarm++;elsehour_alarm = 0;}while (!keyh);delay(5);while (!keyh);}if (keym == 0){ //实现分钟加一delay(5);if (keym == 0){if (min_alarm != 59){min_alarm++;}else{min_alarm = 0;}}while (!keym); //松手检测delay(5);while (!keym);}if (keys == 0){ //实现秒加一delay(5);if (keys == 0){if (sec_alarm != 59){sec_alarm++;} else {sec_alarm = 0;}}while (!keys);delay(5);while (!keys);}if (keystop == 0) {break;}}
}

C51单片机_LCD电子时钟相关推荐

C51单片机的电子时钟（数码管显示）
C51单片机的电子时钟硬件环境: 相关开发板原理图解析正式代码: 效果预览图硬件环境: 普中科技51单片机开发板STC89C52 相关开发板原理图解析查看这两个原理图,我们可以发现控制这8个数 ...
基于单片机的电子时钟
点击链接获取Keil源码与Project Backups仿真图: https://download.csdn.net/download/qq_64505944/87453487 源码获取摘要本次设 ...
c51单片机时钟c语言程序设计,基于51单片机的电子时钟设计..doc
-- I -- - - I -- 设计题目: 基于 51 单片机的电子时钟设计摘要单片机,是集 CPU ,RAM ,ROM ,定时器,计数器和多种接口于一体的微控制器.自 20 世纪 70 年代问 ...
基于51单片机LCD1602电子时钟实物制作
之前写了51单片机的LCD1602的程序,现在画了电路图,焊接了电路板,做出了基于51单片机LCD1602电子时钟的实物. 注意事项: 焊接过程中,注意提前布局电路. 对应好端口(避免接线错误),我由 ...
基于单片机的电子时钟设计（keil+protues仿真，含代码及原理图）
本学期单片机课程要求做课程设计,我选取的课题如下: 基于单片机的电子时钟设计,要求: (1)实时显示当前时间: (2)能够对时间进行设置: (3)包括年月日,小时,分钟,秒． (4)整点提醒功能．经 ...
微型计算机系统电子时钟程序设计,基于单片机的电子时钟设计普通单片机电子时钟的设计的分析...
摘要:随着电子科技的飞速发展,尤其是超大规模集成电路的出现,给我国的经济带来了实质性的改变.其中,对于单片机的使用已经在很多领域都有出现,比如说在工业自动化控制房间.在智能仪器仪表方面以及各种家用电器 ...
基于51单片机的电子时钟设计
基于51单片机的电子时钟设计 0 功能介绍 1.从DS1302中读取时间显示 2.一共4个按键,按键1按下进入修改时间模式,再按下切换修改的时间变量,这个时候第2和3个按键就是修改时间变量的按键,修改 ...
【036】基于51单片机的电子时钟与秒表Proteus仿真设计
一.压缩包资料内容 (1).基于51单片机的电子时钟与秒表proteus仿真设计一份: (2).基于51单片机的电子时钟与秒表proteus仿真设计keli源代码一份: (3).基于51单片机的电子时 ...
数字电子计算机处理信号shi,余洪伟基于单片机数字电子时钟设计(led显示).doc...
余洪伟基于单片机数字电子时钟设计(led显示) 沈阳航空航天大学课程设计 (论文) 题目基于单片机的数字电子时钟设计 (LED显示) 班级学号 2013040701060 学生姓 ...
基于8051单片机实现电子时钟+数字秒表设计
电子时钟+数字秒表设计概述设计任务的基本要求整体方案电路设计原理软件设计元件清单项目下载地址概述电子时钟是一种利用数字电路来显示秒.分.时的计时装置,与传统的机械钟相比,它具有走时准 ...

C51单片机_LCD电子时钟

C51单片机_LCD电子时钟

C51单片机_LCD电子时钟相关推荐

最新文章

热门文章