51单片机lcd12864大数字+ds1302+时间可调+闹钟 Proteus仿真程序

ID:623452 · 发表于 2020-7-4 17:35

单片机大数字时钟仿真原理图如下（proteus仿真工程文件可到本帖附件中下载）

单片机源程序如下:

#include <reg51.h>
#include "DS18B20.h"
#include "DS1302.h"
#include "LCD12864.h"
char a;
sbit KEY6=P3^4;
sbit KEY2=P3^5;
sbit KEY3=P3^6;
sbit KEY4=P3^7;
sbit KEY5=P3^3;
bit flag=1; //进入/退出设置标志
uchar choose=0x01; //切换标志
void delay10(void) //延时10ms
{
unsigned char i,j;
for(i=0;i<255;i++)
for(j=0;j<200;j++);
}
void delay5ms(void) //误差 0us
{
unsigned char a,b;
for(b=19;b>0;b--)
for(a=130;a>0;a--);
}
//设置时ds1302寄存器值循环如秒寄存器59时加一变为00
unsigned char conver(unsigned char a,unsigned char b,unsigned char c)
{
if((a&0x0f)==0x0a) a=a+6;
if(a==b) a=c;
return a;
}
void digplay() {
//时间
ShowNumber16_32(2,0,TIME[2]>>4&0x03); //时十位
ShowNumber16_32(2,16, TIME[2]&0x0f);//时个位
ShowChina(2,33,18);
ShowNumber16_32(2,48,TIME[1]>>4&0x07);//分十位
ShowNumber16_32(2,64, TIME[1]&0x0f);//分个位
ShowChina(2,81,18);
ShowNumber16_32(2,96,TIME[0]>>4&0x07);//秒十位 0000 0111
ShowNumber16_32(2,112, TIME[0]&0x0f);//秒个位
//日期
ShowNumber(0,0,2);
ShowNumber(0,8,0);
ShowNumber(0,16,TIME[6]>>4&0x0f);
ShowNumber(0,24, TIME[6]&0x0f);//年
ShowNumber(0,32,11);
ShowNumber(0,40,TIME[4]>>4&0x01);
ShowNumber(0,48, TIME[4]&0x0f);//月
ShowNumber(0,56,11);
ShowNumber(0,64,TIME[3]>>4&0x03);
ShowNumber(0,72, TIME[3]&0x0f);//日
ShowChina(0,112,(TIME[5]&0x07)-1);//周
}
void wendu() {
//温度
a=Read_Temperature(); //读取DS18B20的温度
if(a<0) //处理温度正负
{
a = (-1)*a; // 取补
ShowNumber(6,88,11); //温度计图标—
}
else
{
ShowNumber(6,88,12);//温度计图标+
}
ShowNumber(6,96,a/10%10); //显示温度中位
ShowNumber(6,104,a%10); //显示温度低位
ShowChina(6,112,8);//显示 .C
}
void digplaystart() {//开机显示
uchar i=0;
ShowChina(2,64-16*1.5,19);
ShowChina(2,64-16*0.5,20);
ShowChina(2,64+16*0.5,21);
ShowChina(2,64+16*1.5,22);
for (i=0;i<10;i++) {
ShowNumber(4,32+8*i,16);
delay5ms();
delay5ms();
}
ClearScreen(0);//清屏
}
void InitTimer0(void) //1ms
{
TMOD = 0x01;
TH0 = 0x0FC;
TL0 = 0x18;
EA = 1;
ET0 = 1;
TR0 = 0;
}
unsigned int count =0;
void main(void)
{ char swh = 0;
char year= 20;
char week= 0x04;
char month= 0x20;
char day= 0x04;
char hour= 0x20;
char div= 0x04;
char second= 0x20;
char n_hour = 1;
char n_div = 30;
char n_falg=0;
unsigned char month_x= 0,day_x=0,hour_x = 0 ,div_x = 0,year_x = 0;
char djs_flag = 0;
char djs_stop_flag=1;
char djs = 60;
int time=0;
InitLCD(); //初始化LCD12864
//Ds1302Init();//Ds1302初始化，并且附上设定的默认时间
Ds1302ReadTime();
Ds1302WriteTime();
//set_DS1302_time(0x20,0x04,0x20, 0x04,0x20,0x04,0x20);
//InitTimer0();
while(1)
{
//ShowNumber(6,32,9);
// wendu();
//Ds1302ReadTime();
//digplay();
if ( KEY2 == 0 )
{
swh ++;
while(!KEY2);
}
if(swh >8 ) swh = 0;
if( swh == 0 )
{
ShowNumber(6,20,15);
ShowNumber(6,32,11); ShowNumber(6,40,11);
Ds1302ReadTime();
digplay();
//========判断闹钟
if((TIME[2]>>4&0x03) == (n_hour/10) && (TIME[2]&0x0f) == n_hour%10 && (TIME[1]>>4&0x07) == n_div/10 && (TIME[1]&0x0f) == n_div%10)
{
{
n_falg ++;
if(n_falg%2==0 )
{
ShowNumber(6,75,n_hour/10); //时十位
ShowNumber(6,83,n_hour%10);//时个位
ShowNumber(6,91,10);
ShowNumber(6,99,n_div/10);//分十位
ShowNumber(6,107,n_div%10);//分个
}
if(n_falg%2==1 )
{
ShowNumber(6,73,n_hour/10); //时十位
ShowNumber(6,81,n_hour%10);//时个位
ShowNumber(6,89,10);
ShowNumber(6,97,n_div/10);//分十位
ShowNumber(6,105,n_div%10);//分个
}
}
}
}
if(swh == 1 )//设置年
{
ShowChina(6,32,9);
if(KEY3 == 0)
{
year ++;
while(!KEY3);
}
if(KEY4 == 0)
{
year --;
while(!KEY4);
}
year = year >80?80:year;
year = year <1?1:year;
year_x =((year/10)<<4)|(year%10) ;
// set_DS1302_time(year_x,week,month_x, day_x,hour_x,div_x,0x00);
digplay();
}
if(swh == 2 )//设置星期
{
ShowChina(6,32,10);
if(KEY3 == 0)
{
week ++;
while(!KEY3);
}
if(KEY4 == 0)
{
week --;
while(!KEY4);
}
week= week > 7 ?7:week;
week= week < 1 ?1:week;
// set_DS1302_time(year_x,week,month_x, day_x,hour_x,div_x,0x00);
digplay();
}
if(swh == 3 )//设置月
{
ShowChina(6,32,11);
if(KEY3 == 0)
{
month ++;
while(!KEY3);
}
if(KEY4 == 0)
{
month --;
while(!KEY4);
}
month = month >12?12:month;
month = month <1?1:month;
month_x=((month/10)<<4)|(month%10) ;
// set_DS1302_time(year_x,week,month_x, day_x,hour_x,div_x,0x00);
digplay();
}
if(swh == 4 )//设置日
{
ShowChina(6,32,12);
if(KEY3 == 0)
{
day ++;
while(!KEY3);
}
if(KEY4 == 0)
{
day --;
while(!KEY4);
}
day = day >31?31:day;
day = day <1?1:day;
day_x=((day/10)<<4)|(day%10) ;
// set_DS1302_time(year_x,week,month_x, day_x,hour_x,div_x,0x00);
digplay();
}
if(swh == 5 )//设置小时
{
ShowChina(6,32,13);
if(KEY3 == 0)
{
hour ++;
while(!KEY3);
}
if(KEY4 == 0)
{
hour --;
while(!KEY4);
}
hour = hour >24?24:hour;
hour = hour <1?1:hour;
hour_x=((hour/10)<<4)|(hour%10) ;
// set_DS1302_time(year_x,week,month_x, day_x,hour_x,div_x,0x00);
digplay();
}
if(swh == 6 )//设置分
{
ShowChina(6,32,14);
if(KEY3 == 0)
{
div ++ ;
while(!KEY3);
}
if(KEY4 == 0)
{
div --;
while(!KEY4);
}
div = div >60?60:div;
div = div <1?1:div;
div_x=((div/10)<<4)|(div%10) ;
// set_DS1302_time(year_x,week,month_x, day_x,hour_x,div_x,0x00);
digplay();
}
if(swh == 7 ) //设置闹钟时
{
ShowChina(6,32,13); ShowNumber(6,20,11);
if(KEY3 == 0)
{
n_hour ++;
while(!KEY3);
}
if(KEY4 == 0)
{
n_hour --;
while(!KEY4);
}
n_hour = n_hour >24?24:n_hour;
n_hour = n_hour <1?1:n_hour;
ShowNumber(6,75,n_hour/10); //时十位
ShowNumber(6,83,n_hour%10);//时个位
ShowNumber(6,91,10);
ShowNumber(6,99,n_div/10);//分十位
ShowNumber(6,107,n_div%10);//分个
}
if(swh == 8 ) //设置闹钟分
{
ShowChina(6,32,14); ShowNumber(6,20,11);
if(KEY3 == 0)
{
n_div ++;
while(!KEY3);
}
if(KEY4 == 0)
{
n_div --;
while(!KEY4);
}
n_div = n_div >60?60:n_div;
n_div = n_div <1?1:n_div;
ShowNumber(6,75,n_hour/10); //时十位
ShowNumber(6,83,n_hour%10);//时个位
ShowNumber(6,91,10);
ShowNumber(6,99,n_div/10);//分十位
ShowNumber(6,107,n_div%10);//分个
}
if(KEY6 == 0 )
{
set_DS1302_time(year_x,week,month_x, day_x,hour_x,div_x,0x00);
while(!KEY6);
}
/*
if( swh == 7 )//秒表设置时间
{
if(djs_flag == 0)
{
TR0 = 0;
if(KEY3 == 0)
{
djs ++ ;
while(!KEY3);
}
if(KEY4 == 0)
{
djs -- ;
while(!KEY4);
}
djs = djs >100?100:djs;
djs = djs <1?1:djs;
count = 0;
ShowNumber(6,32,djs/10); ShowNumber(6,40,djs %10);
}
if ( djs_flag == 1 ) //djs
{
TR0 = 1;
time = djs - count/1000;
ShowNumber(6,32,time/10); ShowNumber(6,40,time %10);
} */
/* if (djs_stop_flag == 1 )
{
TR0 = 1;
}
if (djs_stop_flag == 1 )
{
TR0 = 0;
}*/
/* }
if( swh == 7 && KEY5 == 0 )
{
djs_flag ++ ;
if( djs_flag >1 )djs_flag =0;
while(!KEY5);
}*/
/* if( swh == 7 && KEY6 == 0 )
{
djs_stop_flag ++ ;
if( djs_stop_flag >1 )djs_stop_flag =0;
while(!KEY6);
} */
}
}
void Timer0Interrupt(void) interrupt 1
{
TH0 = 0x0FC;
TL0 = 0x18;
//add your code here!
count ++ ;
}
// digplaystart();
// delay5ms();
// Ds1302Init();//Ds1302初始化，并且附上设定的默认时间
// a=Read_Temperature(); //读取DS18B20的温度
// ShowNumber(0,32,11);//-
// ShowNumber(0,56,11);//-
// ShowChina(0,96,7);//汉字周
// ShowNumber16_32(2,32,10);//:
// ShowNumber16_32(2,80,10);//:
// ShowChina(6,112,8);//℃
/* while(1)
{
wendu();//温度显示
if(flag==1)
Ds1302ReadTime();
//读取DS1302的时间
else
Ds1302WriteTime();
if(KEY1==0) //按键1--处理设定时间和返回
{
delay10();
if(KEY1==1)
{
delay10();
flag=~flag;
if(flag==0) {
ShowChina(6,48,9);
ShowChina(6,0,16);
ShowChina(6,16,17);
ShowNumber(6,32,10);
……………………
…………限于本文篇幅余下代码请从51黑下载附件…………