单片机多功能数字钟设计程序（单片机数字时钟设计程序）
本篇文章给大家谈谈单片机多功能数字钟设计程序，以及单片机数字时钟设计程序对应的知识点，希望对各位有所帮助，不要忘了收藏本站喔。
本文目录一览：
- 1、用C语言编写AT89C51单片机程序，设计一个智能数字钟。
- 2、单片机课程设计（数字时钟） 麻烦大家不要发链接 直接帮我把程序写过来。
- 3、跪求单片机c51一个多功能时钟设计。要闹钟。调整时间、秒表、就行了。急求。。。C语言编写
- 4、单片机课程设计 设计制作一个24小时制多功能数字钟
用C语言编写AT89C51单片机程序，设计一个智能数字钟。
#includereg52.h
#define uint unsigned int
#define uchar unsigned char
sbit QB1=P1^0;
sbit QB2=P1^1; //数码管段选
sbit QB3=P1^2;
sbit QB4=P1^3;
sbit QB5=P1^4;
sbit QB6=P1^5;
sbit fm=P1^6; //蜂鸣器
sbit s1=P2^4; //s5按键,切换显示
sbit s2=P2^3; //s2按键,设置调时
sbit s3=P2^2; //s3按键,加1
sbit s4=P2^1; //s4按键,减1
sbit led1=P0^0;
sbit led2=P0^1;
sbit led3=P0^2;
uchar count;
uchar sec,minu,hour,day,week,mon;
uchar n_sec,n_minu,n_hour;
uint year;
uchar set_2=1,set_1=1;
uchar hs,hg,mis,mig,ss,sg;
uchar nhs,nhg,nms,nmg,nss=0,nsg=0;
uchar ms,mg,ds,dg,w;
uchar code table[]={0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,
0X90,0X88,0X83,0XC6,0XA1,0X8E,0X86,0xbf}; //0~F,-,共阳
//uchar code tableyi[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
//0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x40};//0-F,-,共阴
uchar code table_d[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,
0x87,0xff,0xef}; //0~9数组，带小数点
uchar table1[]={31,31,29,31,30,31,30,31,31,30,31,30,31}; //闰年
uchar table2[]={31,31,28,31,30,31,30,31,31,30,31,30,31}; //非闰年
void delay(uint); //延时函数
void timer0(); //走时中断函数
void jishi(); //计时函数
void key_change(); //切换显示按键函数
void key_set(); //设置时间按键函数
void disp(uchar,uchar,uchar,uchar,uchar,uchar); //显示函数
void zd_clock(); //整点报时函数
void nz_clock(); //闹钟函数
uchar incone(uchar); //加1函数
uchar decone(uchar); //减1函数
void set_time(); //设置时间函数
void set_clock(); //设置闹钟函数
void set_mdw(); //设置月日星期函数
void main() //主函数
{
EA=1;
ET0=1;
TR0=1;
TMOD=0x01;
TH0=0x4c; //50ms初值 晶振11.0592
TL0=0x00;
hour=23;minu=59;sec=49; //赋初值：11点59分0秒
n_hour=12;n_minu=56;n_sec=0; //闹钟赋初值12点1分0秒
year=2008;mon=5;day=14;week=3;//年月日星期赋初值2008年5月11日星期天；祝天下所有母亲节日快乐
while(1)
{
hs=hour/10; //时分秒HH.MM.SS
hg=hour%10;
mis=minu/10;
mig=minu%10;
ss=sec/10;
sg=sec%10;
ms=mon/10; //月日-星期MM.DD.-W
mg=mon%10;
ds=day/10;
dg=day%10;
w=week;
nhs=n_hour/10; //闹钟定时HH.MM.SS
nhg=n_hour%10;
nms=n_minu/10;
nmg=n_minu%10;
nss=n_sec/10;
nsg=n_sec%10;
key_change(); //s4按键扫描
key_set(); //s2按键扫描
set_time(); //设置时间
set_mdw(); //设置月日星期
set_clock(); //设置闹钟
if(set_1==1) //正常走时显示
{
disp(hs,hg,mis,mig,ss,sg);
}
if(set_1==2) //设置时间,LED1闪亮
{
disp(hs,hg,mis,mig,ss,sg);
if(sec%2==0)
{led2=1;led3=1;led1=~led1;}
// else
// {led1=1;}
}
if(set_1==3) //正常显示月日-星期
{
disp(ms,mg,ds,dg,16,w);
}
if(set_1==4) //设置月日-星期,LED2闪亮
{
disp(ms,mg,ds,dg,16,w);
if(sec%2==0)
{led1=1;led3=1;led2=~led2;}
// else
// {led2=1;}
}
if(set_1==5) //正常显示定时
{
disp(nhs,nhg,nms,nmg,nss,nsg);
}
if(set_1==6) //设置闹钟定时,LED3闪亮
{
disp(nhs,nhg,nms,nmg,nss,nsg);
if(sec%2==0)
{led1=1;led2=1;led3=~led3;}
// else
// {led3=1;}
}
zd_clock(); //整点报时
nz_clock(); //闹钟
}
}
void timer0() interrupt 1 //50ms中断函数
{
TMOD=0x01;
TH0=0x4c; //50ms初值 晶振11.0592
TL0=0x00;
count++;
if(count==20)
{
count=0;
sec++;
jishi(); //调计时函数
}
}
void jishi() //计时函数
{
if(sec==60)
{
sec=0;
minu++;
if(minu==60)
{
minu=0;
hour++;
if(hour==24)
{ hour=0;
day++;
week++;
if(week==8)
{week=0;}
if(year%4==0year%100!=0||year%400==0) //闰年
{
if(day==table1[mon]+1)
{
day=0;
mon++;
if(mon==13)
{mon=0;year++;}
}
}
else //非闰年
{
if(day==table2[mon]+1)
{
day=0;
mon++;
if(mon==13)
{mon=0;year++;}
}
}
}
}
}
}
void key_change() //s1按键扫描
{
if(s1==0)
{
delay(200);
if(s1==0)
{
set_1++;
while(!s1);
if(set_1==7)
{set_1=1;}
}
}
}
void key_set() //s2按键扫描
{
if(s2==0)
{
delay(10);
if(s2==0)
{
set_2++;
while(!s2);
if(set_2==4)
{set_2=1;}
}
}
}
void disp(uchar a1,uchar a2,uchar a3,uchar a4,uchar a5,uchar a6) //显示函数
{
QB1=1;
QB2=0;
QB3=0;
QB4=0;
QB5=0;
QB6=0;
P3=table[a1]; //段码送P0口
delay(10); //延时一小会
QB1=0;
QB2=1;
QB3=0;
QB4=0;
QB5=0;
QB6=0;
P3=table[a2]; //第2个数码管显示,带小数点
delay(10);
QB1=0;
QB2=0;
QB3=1;
QB4=0;
QB5=0;
QB6=0;
P3=table[a3]; //第3个数码管显示
delay(10);
QB1=0;
QB2=0;
QB3=0;
QB4=1;
QB5=0;
QB6=0;
P3=table[a4]; //第4个数码管显示,带小数点
delay(10);
QB1=0;
QB2=0;
QB3=0;
QB4=0;
QB5=1;
QB6=0;
//第5个数码管显示
P3=table[a5];
delay(10);
QB1=0;
QB2=0;
QB3=0;
QB4=0;
QB5=0;
QB6=1;
P3=table[a6]; //第6个数码管显示
delay(10);
QB1=0;
QB2=0;
QB3=0;
QB4=0;
QB5=0;
QB6=0;
}
void zd_clock() //整点报时函数
{
if(minu==59(sec==53||sec==55||sec==57))
{
fm=0;
delay(5);
fm=1;
delay(5);
}
fm=0;
if(minu==59sec==59)
{
fm=0;
delay(5);
fm=1;
delay(5);
fm=0;
}
}
void nz_clock() //闹钟函数
{
if(hour==n_hourminu==n_minusec==n_sec)
//if((sec%2==0)sec30)
{
fm=0;
delay(1);
fm=1;
delay(1);
}
}
void set_time() //设置时间函数
{
if(set_1==2)
{
if(set_2==1)
{
hour=incone(hour);
if(hour==24)
{hour=0;}
// if(hour0)
// {hour=23;}
hour=decone(hour);
}
if(set_2==2)
{
minu=incone(minu);
if(minu==60)
{minu=0;}
// if(minu0)
// {minu=59;}
minu=decone(minu);
}
}
}
void set_mdw() //设置月日星期函数
{
if(set_1==4)
{
if(set_2==1)
{
mon=incone(mon);
if(mon==13)
{mon=1;}
mon=decone(mon);
// if(mon==0)
// {mon=12;}
}
if(set_2==2)
{
day=incone(day);
if(day==32)
{day=0;}
day=decone(day);
// if(day==0)
// {day=0;}
}
if(set_2==3)
{
week=incone(week);
if(week==8)
{week=0;}
week=decone(week);
// if(week==0)
// {week=7;}
}
}
}
void set_clock() //设置闹钟函数
{
if(set_1==6)
{
if(set_2==1)
{
n_hour=incone(n_hour);
if(n_hour==24)
{n_hour=0;}
n_hour=decone(n_hour);
if(n_hour==0)
{n_hour=0;}
}
if(set_2==2)
{
n_minu=incone(n_minu);
if(n_minu==60)
{n_minu=0;}
n_minu=decone(n_minu);
if(n_minu==0)
{n_minu=0;}
}
}
}
uchar incone(uchar n) //加1函数
{
if(s3==0)
{ delay(200);
if(s3==0)
{
n++;
while(!s3);
}
}
return(n);
}
uchar decone(uchar m) //减1函数
{
if(s4==0)
{
delay(200);
if(s4==0)
{
m--;
while(!s4);
if(m0)
{m=0;}
}
}
return(m);
}
void delay(uint k) //延时函数
{
uint i,j;
for(i=k;i0;i--)
for(j=80;j0;j--);
}
单片机课程设计（数字时钟） 麻烦大家不要发链接 直接帮我把程序写过来。
哈哈 有个1602显示的 不过程序太长 贴不上 给你个数码管的吧 不行再联系
1302.c
#includeDS1302.h
#includekey.h
uchar bit_ser[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
uchar seven_seg[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
/***********************时间显示*****************/
void timer0_init(void) //T0初始化函数，用于时间的动态显示
{
TMOD = 0x21;
TL0 = (65536-5000) % 256;
TH0 = (65536-5000) / 256;
EA = 1;
ET0 = 1;
TR0 = 1;
}
void timer0_isr(void) interrupt 1 //T0中断处理函数
{
char flag; //flag用于表示调整时闪烁的亮或灭
TR0 = 0;
TL0 = (65536-5000) % 256;
TH0 = (65536-5000) / 256;
TR0 = 1;
flag = x / 100 * 0xff; //设置闪烁标志，如果x大于100则flag为0xff，小于100则为0x00
x++;
if(x 200)
x = 0;
switch(i)
{
case 0:
P2 = bit_ser[0];
if(setflag == 3) //根据setflag的值判断当前位是否需要闪烁
P0 = flag | seven_seg[dis_buffer[0]];
else
P0 = seven_seg[dis_buffer[0]];
break;
case 1:
P2 = bit_ser[1];
if(setflag == 3)
P0 =flag | seven_seg[dis_buffer[1]];
else
P0 =seven_seg[dis_buffer[1]];
break;
case 2:
P2 = bit_ser[2];
if(setflag == 2)
P0 =flag | seven_seg[dis_buffer[2]];
else
P0 =seven_seg[dis_buffer[2]];
break;
case 3:
P2 = bit_ser[3];
if(setflag == 2)
P0 =flag | seven_seg[dis_buffer[3]];
else
P0 =seven_seg[dis_buffer[3]];
break;
case 4:
P2 = bit_ser[4];
if(setflag == 1)
P0 =flag | seven_seg[dis_buffer[4]];
else
P0 =seven_seg[dis_buffer[4]];
break;
case 5:
P2 = bit_ser[5];
if(setflag == 1)
P0 =flag | seven_seg[dis_buffer[5]];
else
P0 =seven_seg[dis_buffer[5]];
break;
}
i++;
if(i = 6)
{
i = 0;
if(j == 10)
{
j = 0;
if(setflag == 0)
DS1302_GetTime(Time); //如果setflag是0，就从1302中读出时间,因为setflag不是0时，说明处于调整状态，不需要读时间
dis_buffer[5] = Time.Second % 10; //把当前时间放入显示缓冲区
dis_buffer[4] = Time.Second / 10;
dis_buffer[3] = Time.Minute % 10;
dis_buffer[2] = Time.Minute / 10;
dis_buffer[1] = Time.Hour % 10;
dis_buffer[0] = Time.Hour / 10;
}
j++;
}
}
void main()
{
Initial_DS1302(Time);
timer0_init();
while(1)
{
set_down();
timer_down();
up_down();
down_down();
beepflag_down();
if(setflag == 0 Time.Hour == romhour Time.Minute == romminute Beepflag == 1) //判断蜂鸣器是否要响
Beep = !Beep;
}
}
//key.c
#includereg51.h
#define uchar unsigned char
#define uint unsigned int
uchar i = 0,j = 0,x = 0,setflag,flag_set,flag_timer; //setflag用来表示调整的位置，flag_set和flag_timer分别表示当前处于调整状态还是定时状态
SYSTEMTIME Time={0,20,15,3,30,6,10}; //系统时间的初始值2010年6月30日星期三，15时20分0秒
char dis_buffer[6]; //存放显示数据的缓冲区
sbit Beep_flag = P3^2; //蜂鸣器的接口
sbit key_timer = P3^4; //定时按钮
sbit key_set = P3^5; //调整按钮
sbit key_up = P3^6; //增加按钮
sbit key_down = P3^7; //减小按钮
char romhour,romminute,romsec; //分别存放定时的时，分，秒
bit Beepflag; //标记闹钟是否开启
//延时函数
void delays(uchar x)
{
while(x) x--;
}
//设置键的处理函数
void set()
{
setflag ++;
flag_set = 1;
if(setflag = 4)
{
setflag = 0;
flag_set = 0;
Initial_DS1302(Time);
}
}
//定时间的处理函数
void timer()
{
setflag ++;
flag_timer = 1;
if(setflag == 1)
{
Time.Hour = romhour;
Time.Minute = romminute;
Time.Second = romsec;
}
else if(setflag = 4)
{
setflag = 0;
flag_timer = 0;
romhour = Time.Hour;
romminute = Time.Minute;
romsec = Time.Second;
}
}
//增加键的处理函数
void up()
{
switch(setflag)
{
case 0:
break;
case 1:
Time.Second ++;
if(Time.Second = 60)
Time.Second = 0;
break;
case 2:
Time.Minute ++;
if(Time.Minute = 60)
Time.Minute = 0;
break;
case 3:
Time.Hour ++;
if(Time.Hour = 24)
Time.Hour = 0;
break;
}
}
//减小键的处理函数
void down()
{
switch(setflag)
{
case 0:
break;
case 1:
Time.Second --;
if(Time.Second 0)
Time.Second = 59;
break;
case 2:
Time.Minute --;
if(Time.Minute 0)
Time.Minute = 59;
break;
case 3:
Time.Hour --;
if(Time.Hour 0)
Time.Hour = 23;
break;
}
}
//设置键的扫描函数
void set_down()
{
if(key_set == 0 flag_timer == 0)
{
delays(100);
if(key_set == 0)
{
set();
}
while(!key_set);
}
}
//定时键的扫描函数
void timer_down()
{
if(key_timer == 0 flag_set == 0)
{
delays(100);
if(key_timer == 0)
{
timer();
}
while(!key_timer);
}
}
//增加键的扫描函数
void up_down()
{
if(key_up == 0 setflag != 0)
{
delays(100);
if(key_up == 0)
{
up();
while(!key_up);
}
}
}
//减少键的处理函数
void down_down()
{
if(key_down == 0 setflag != 0)
{
delays(100);
if(key_down == 0)
{
down();
while(!key_down);
}
}
}
//定时开关的扫描处理函数
void beepflag_down()
{
if(Beep_flag == 0)
{
delays(100);
{
Beepflag = !Beepflag;
while(!Beep_flag);
}
}
}
//ds1302.h
#ifndef _REAL_TIMER_DS1302
#define _REAL_TIMER_DS1302
#include REG51.h
sbit DS1302_CLK = P1^1; //实时时钟时钟线引脚
sbit DS1302_IO = P1^2; //实时时钟数据线引脚
sbit DS1302_RST = P1^3; //实时时钟复位线引脚
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
sbit Beep = P2^7;
typedef struct __SYSTEMTIME__
{ char Second;
char Minute;
char Hour;
char Week;
char Day;
char Month;
char Year;
}SYSTEMTIME; //定义的时间类型
#define AM(X) X
#define PM(X) (X+12) // 转成24小时制
#define DS1302_SECOND 0x80 //秒寄存器
#define DS1302_MINUTE 0x82 //分寄存器
#define DS1302_HOUR 0x84
#define DS1302_WEEK 0x8A
#define DS1302_DAY 0x86
#define DS1302_MONTH 0x88
#define DS1302_YEAR 0x8C
#define DS1302_RAM(X) (0xC0+(X)*2) //用于计算 DS1302_RAM 地址的宏
void DS1302InputByte(unsigned char d) //实时时钟写入一字节(内部函数)
{ unsigned char i;
ACC = d;
for(i=8; i0; i--)
{ DS1302_IO = ACC0; //相当于汇编中的 RRC
DS1302_CLK = 1;
DS1302_CLK = 0; //发一个高跳变到低的脉冲
ACC = ACC 1;
}
}
unsigned char DS1302OutputByte(void) //实时时钟读取一字节(内部函数)
{ unsigned char i;
for(i=8; i0; i--)
{ ACC = ACC 1; //相当于汇编中的 RRC
ACC7 = DS1302_IO;
DS1302_CLK = 1;
DS1302_CLK = 0; //发一个高跳变到低的脉冲
}
return(ACC);
}
void Write1302(unsigned char ucAddr, unsigned char ucDa)//ucAddr: DS1302地址, ucData: 要写的数据
{ DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(ucAddr); // 地址，命令
DS1302InputByte(ucDa); // 写1Byte数据
DS1302_CLK = 1;
DS1302_RST = 0; //RST 0-1-0,CLK 0-1
}
unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据
{ unsigned char ucData;
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1; //enable
DS1302InputByte(ucAddr|0x01); // 地址，命令
ucData = DS1302OutputByte(); // 读1Byte数据
DS1302_CLK = 1; //RST 0-1-0,CLK 0-1
DS1302_RST = 0;
return(ucData);
}
void DS1302_SetProtect(bit flag) //是否写保护
{ if(flag)
Write1302(0x8E,0x80); //WP=1,不能写入
else
Write1302(0x8E,0x00);//WP=0,可以写入
}
void DS1302_SetTime(unsigned char Address, unsigned char Value) // 设置时间函数
{ DS1302_SetProtect(0);
Write1302(Address, ((Value/10)4 | (Value%10))); //高4位为十位，低4位为个位
DS1302_SetProtect(1);
}
//获取时间函数，从DS1302内读取时间然后存入Time内
void DS1302_GetTime(SYSTEMTIME *Time)
{ unsigned char ReadValue;
ReadValue = Read1302(DS1302_SECOND);
Time-Second = ((ReadValue0x70)4)*10 + (ReadValue0x0F);//转换成10进制的秒
ReadValue = Read1302(DS1302_MINUTE);
Time-Minute = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_HOUR);
Time-Hour = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_DAY);
Time-Day = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_WEEK);
Time-Week = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_MONTH);
Time-Month = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_YEAR);
Time-Year = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
}
//利用STime初始化DS1302
void Initial_DS1302(SYSTEMTIME STime)
{ unsigned char Second=Read1302(DS1302_SECOND);
if(Second0x80) DS1302_SetTime(DS1302_SECOND,0); //如果第七为1（表明没有启动), 则启动时钟
DS1302_SetTime(DS1302_SECOND,STime.Second); //设定起始时间
DS1302_SetTime(DS1302_MINUTE,STime.Minute);
DS1302_SetTime(DS1302_HOUR,STime.Hour);
DS1302_SetTime(DS1302_DAY,STime.Day);
DS1302_SetTime(DS1302_MONTH,STime.Month);
DS1302_SetTime(DS1302_YEAR,STime.Year);
DS1302_SetTime(DS1302_WEEK,STime.Week);
}
#endif
跪求单片机c51一个多功能时钟设计。要闹钟。调整时间、秒表、就行了。急求。。。C语言编写
//给你发一个数码管输出的可调节时钟的程序，DS1302.H在最后
#include at89x52.h
#include DS1302.h
//定义共阳极字型码0123456789-
unsigned char code dispcode[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf};
unsigned char time[]={0,0,0,0,0,0,0,0};//用来储存时间
unsigned char date[]={0,0,0,0,0,0,0,0};//用来储存日期
SYSTEMTIME time1; //在ds1302.h文件中已经定义了一个名字为SYSTEMTIME的结构体,在这里我们定义一个变量名
//为time的SYSTEMTIME结构体
void delay(unsigned char i) //延时子程序
{
unsigned char j;
while((i--)!=0)
{
for(j=123;j0;j--);
}
}
unsigned char button_time(n,x,y) //时钟调整子程序
unsigned char n,x,y;
{
if(P1_7==0)
{
delay(50);
if(P1_7==0)
{
n++;
if(n==x)
n=0;
while(P1_7==0);
}
}
if(P1_5==0)
{
delay(50);
if(P1_5==0)
{
if(n==0)
n=y;
else
n--;
while(P1_5==0);
}
}
return n;
}
unsigned char button_date(n,x,y) //日期调整子程序
unsigned char n,x,y;
{
if(P1_7==0)
{
delay(50);
if(P1_7==0)
{
n++;
if(n==x)
n=1;
while(P1_7==0);
}
}
if(P1_5==0)
{
delay(50);
if(P1_5==0)
{
if(n==1)
n=y;
else
n--;
while(P1_5==0);
}
}
return n;
}
void display(second10,second1,minute10,minute1,hour10,hour1) //显示子程序
unsigned char second10,second1,minute10,minute1,hour10,hour1;
{
P2=0xfe;
P0=dispcode[second10];//显示秒的十位
delay(1);
P2=0xfd;
P0=dispcode[second1]; //显示秒的个位
delay(1);
P2=0xfb;
P0=dispcode[10]; //显示"-"
delay(1);
P2=0xf7;
P0=dispcode[minute10];//显示分的十位
delay(1);
P2=0xef;
P0=dispcode[minute1]; //显示分的个位
delay(1);
P2=0xdf;
P0=dispcode[10]; //显示"-"
delay(1);
P2=0xbf;
P0=dispcode[hour10]; //显示时的十位
delay(1);
P2=0x7f;
P0=dispcode[hour1]; //显示时的个位
delay(1);
}
void main()
{
unsigned char flag;
Initial_DS1302(); //初始化DS1302这个时钟芯片,
while(1)
{
DS1302_GetTime(time1); //读取时间参数
time[5]=(time1.Second)%10; //把秒的个位数据存入time[5]
time[4]=(time1.Second)/10; //把秒的十位数据存入time[4]
time[3]=(time1.Minute)%10; //把分的个位数据存入time[3]
time[2]=(time1.Minute)/10; //把分的十位数据存入time[2]
time[1]=(time1.Hour)%10; //把时的个位数据存入time[1]
time[0]=(time1.Hour)/10; //把时的十位数据存入time[0]
date[5]=(time1.Day)%10;
date[4]=(time1.Day)/10;
date[3]=(time1.Month)%10;
date[2]=(time1.Month)/10;
date[1]=(time1.Year)%10;
date[0]=(time1.Year)/10;
if(P1_4==0) //如果按下Time Start键一下,时钟开始正常显示时间,再按一下,显示日期
{
delay(50);
if(P1_4==0)
{
flag++;
if(flag1)
{
flag=0;
}
}
while(P1_4==0);
}
if(P1_6==0) //如果按下Time Set键一下,开始显示日期,再按一下进入日期跟时钟的调节模式
{
delay(50);
if(P1_6==0)
{
flag++;
if(flag7)
{
flag=0;
}
}
while(P1_6==0);
}
switch(flag)
{
case 0:display(time[0],time[1],time[2],time[3],time[4],time[5]); //调用子函数display,把存入数组time的数据给显示出来
break;
case 1:display(date[0],date[1],date[2],date[3],date[4],date[5]); //调用子函数display,把存入数组date的数据给显示出来
break;
case 2:time1.Year=button_date(time1.Year,100,99); //调整年
DS1302_SetTime(0x8c,time1.Year);
display(date[0],date[1],10,10,10,10);
break;
case 3:time1.Month=button_date(time1.Month,13,12); //调整月
DS1302_SetTime(0x88,time1.Month);
display(10,10,date[2],date[3],10,10);
break;
case 4:time1.Day=button_date(time1.Day,32,31); //调整日
DS1302_SetTime(0x86,time1.Day);
display(10,10,10,10,date[4],date[5]);
break;
case 5:time1.Hour=button_time(time1.Hour,24,23); //调整时
DS1302_SetTime(0x84,time1.Hour);
display(time[0],time[1],10,10,10,10);
break;
case 6:time1.Minute=button_time(time1.Minute,60,59); //调整分
DS1302_SetTime(0x82,time1.Minute);
display(10,10,time[2],time[3],10,10);
break;
case 7:time1.Second=button_time(time1.Second,60,59); //调整秒
DS1302_SetTime(0x80,time1.Second);
display(10,10,10,10,time[4],time[5]);
break;
}
}
}
//DS1302.H
#ifndef _REAL_TIMER_DS1302_2003_7_21_
#define _REAL_TIMER_DS1302_2003_7_21_
#include at89x52.h
sbit DS1302_CLK = P1^0; //实时时钟时钟线引脚
sbit DS1302_IO = P1^1; //实时时钟数据线引脚
sbit DS1302_RST = P1^2; //实时时钟复位线引脚
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
typedef struct __SYSTEMTIME__
{
unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Week;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[9];
unsigned char TimeString[9];
}SYSTEMTIME; //定义的时间类型
#define AM(X) X
#define PM(X) (X+12) // 转成24小时制
#define DS1302_SECOND 0x80 //秒寄存器
#define DS1302_MINUTE 0x82 //分寄存器
#define DS1302_HOUR 0x84
#define DS1302_WEEK 0x8A
#define DS1302_DAY 0x86
#define DS1302_MONTH 0x88
#define DS1302_YEAR 0x8C
#define DS1302_RAM(X) (0xC0+(X)*2) //用于计算 DS1302_RAM 地址的宏
void DS1302InputByte(unsigned char d) //实时时钟写入一字节(内部函数)
{
unsigned char i;
ACC = d;
for(i=8; i0; i--)
{
DS1302_IO = ACC0; //相当于汇编中的 RRC
DS1302_CLK = 1;
DS1302_CLK = 0; //发一个高跳变到低的脉冲
ACC = ACC 1;
}
}
unsigned char DS1302OutputByte(void) //实时时钟读取一字节(内部函数)
{
unsigned char i;
for(i=8; i0; i--)
{
ACC = ACC 1; //相当于汇编中的 RRC
ACC7 = DS1302_IO;
DS1302_CLK = 1;
DS1302_CLK = 0; //发一个高跳变到低的脉冲
}
return(ACC);
}
void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要写的数据
{
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(ucAddr); // 地址，命令
DS1302InputByte(ucDa); // 写1Byte数据
DS1302_CLK = 1;
DS1302_RST = 0; //RST 0-1-0,CLK 0-1
}
unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据
{
unsigned char ucData;
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1; //enable
DS1302InputByte(ucAddr|0x01); // 地址，命令
ucData = DS1302OutputByte(); // 读1Byte数据
DS1302_CLK = 1; //RST 0-1-0,CLK 0-1
DS1302_RST = 0;
return(ucData);
}
void DS1302_SetProtect(bit flag) //是否写保护
{
if(flag)
Write1302(0x8E,0x10); //WP=1,不能写入
else
Write1302(0x8E,0x00);//WP=0,可以写入
}
void DS1302_SetTime(unsigned char Address, unsigned char Value) // 设置时间函数
{
DS1302_SetProtect(0);
Write1302(Address, ((Value/10)4 | (Value%10))); //高4位为十位，低4位为个位
}
void DS1302_GetTime(SYSTEMTIME *Time)
{
unsigned char ReadValue;
ReadValue = Read1302(DS1302_SECOND);
Time-Second = ((ReadValue0x70)4)*10 + (ReadValue0x0F);//转换成10进制的秒
ReadValue = Read1302(DS1302_MINUTE);
Time-Minute = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_HOUR);
Time-Hour = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_DAY);
Time-Day = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_WEEK);
Time-Week = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_MONTH);
Time-Month = ((ReadValue0x70)4)*10 + (ReadValue0x0F);
ReadValue = Read1302(DS1302_YEAR);
Time-Year = ((ReadValue0xf0)4)*10 + (ReadValue0x0F);
}
/*
void DateToStr(SYSTEMTIME *Time)
{
Time-DateString[0] = Time-Year/10 + '0'; //数字类型转化为字符类型
Time-DateString[1] = Time-Year%10 + '0';
Time-DateString[2] = '-';
Time-DateString[3] = Time-Month/10 + '0';
Time-DateString[4] = Time-Month%10 + '0';
Time-DateString[5] = '-';
Time-DateString[6] = Time-Day/10 + '0';
Time-DateString[7] = Time-Day%10 + '0';
Time-DateString[8] = '\0';
}
void TimeToStr(SYSTEMTIME *Time)
{
Time-TimeString[0] = Time-Hour/10 + '0'; //数字类型转化为字符类型
Time-TimeString[1] = Time-Hour%10 + '0';
Time-TimeString[2] = ':';
Time-TimeString[3] = Time-Minute/10 + '0';
Time-TimeString[4] = Time-Minute%10 + '0';
Time-TimeString[5] = ':';
Time-TimeString[6] = Time-Second/10 + '0';
Time-TimeString[7] = Time-Second%10 + '0';
Time-DateString[8] = '\0';
}
*/
void Initial_DS1302(void)
{
unsigned char Second=Read1302(DS1302_SECOND);
if(Second0x80) //如果第七为1（表明没有启动), 则启动时钟
DS1302_SetTime(DS1302_SECOND,0);
}
/********************************************************************************
void BurstWrite1302(unsigned char *pWClock) //往DS1302写入时钟数据(多字节方式)
{
unsigned char i;
Write1302(0x8e,0x00); // 控制命令,WP=0,写操作?
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(0xbe); // 0xbe:时钟多字节写命令
for (i = 8; i0; i--) //8Byte = 7Byte 时钟数据 + 1Byte 控制
{
DS1302InputByte(*pWClock); // 写1Byte数据
pWClock++;
}
DS1302_CLK = 1;
DS1302_RST = 0;
}
void BurstRead1302(unsigned char *pRClock) //读取DS1302时钟数据(时钟多字节方式)
{
unsigned char i;
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(0xbf); // 0xbf:时钟多字节读命令
for (i=8; i0; i--)
{
*pRClock = DS1302OutputByte(); // 读1Byte数据
pRClock++;
}
DS1302_CLK = 1;
DS1302_RST = 0;
}
void DS1302_TimeStop(bit flag) // 是否将时钟停止
{
unsigned char Data;
Data=Read1302(DS1302_SECOND);
DS1302_SetProtect(0);
if(flag)
Write1302(DS1302_SECOND, Data|0x80);//停止
else
Write1302(DS1302_SECOND, Data0x7F);不停止
}
********************************************************************************/
#endif
单片机课程设计 设计制作一个24小时制多功能数字钟
额。。。。。这个东西就是零碎的东西加起来变成一个一个整体的啊，讲个思路，写个中断服务程序，里面的是led灯亮的程序，和1秒的计时程序，写个beep子程序控制蜂鸣器，写个display子程序，控制icl0809,主程序循环控制，显示数码管，显示am，过了12，进入中断，显示pm，这个其实很简单的，我才大三，单片机才学了四个星期，我都会做，相信你能行的。。。
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