单片机+DS3231+74hc595共阳数码管制作的时钟和倒计时日期程序Proteus仿真

ID:705074 · 发表于 2021-12-30 22:04

制作出来的实物图如下：

DS3231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:
/****************************************************************************************************************
2021年12月4日
共阳一芯数码管，1.2寸白色和和1寸翠绿色，制作的时钟和倒计时日期。
型号：21-12-1
****************************************************************************************************************/
#include "STC15F2K.h"
#include "I2C.h"
#include <intrins.h>
#include <hc595.h>
#include "epprom1.h"
#include "count_hanshu.h"

#define uchar unsigned char
#define uint unsigned int
/*************
epprom 读取的变量
******************/
uchar B1,B2,B3,B4,key_nmb;
uint jishu,DJS,chuzhi=0x0000,fanhui;
sbit led=P1^3;
sbit Kadd =P3^4;
sbit Kfun=P3^5;
//sbit Ksub=P1^6;
sbit shuangdian=P3^7;
uint day_count(uchar Years,uchar Months,uchar Days);
//--定义全局变量--//
uchar fen1,fen10,shi1,shi10,ri1,ri10,yue1,yue10,zhou,jishi,miao1,miao10,djs100,djs10,djs1;

unsigned char code DIG_CODE[19]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x54,0x6e,0x50};
                        //0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,n,y,r
uchar ridian,yuedian;
uchar nnn[7]={0x00,0x01,0x02,0x03,0x04,0x05,0x06};
uchar aa[7];
uchar low[7]={0,0,1,1,1,1,21};
uchar hi[7]={59,59,24,7,31,12,30};
void chushihua();
uchar read_time,shanshuo,KKEEYY,xish;
uchar read_byte(uchar random_addr);
void anjian();
void TIME_read()
{
uchar djsks;
//TIME(key_nmb)=0;
// if(key_nmb!=0)Ds1302ReadTime();
if(read_time==1){read_time=0;
aa[0]=BCD2HEX( read_byte(0x00));
aa[1]=BCD2HEX( read_byte(0x01));
aa[2]=BCD2HEX( read_byte(0x02));
aa[3]=BCD2HEX( read_byte(0x03));
aa[4]=BCD2HEX( read_byte(0x04));
aa[5]=BCD2HEX( read_byte(0x05));
aa[6]=BCD2HEX( read_byte(0x06));
if(djsks!=aa[4]){DJS= day_count(B1,B2,B3);djsks=aa[4];}


                     miao1 =DIG_CODE[aa[0]%10];
                     miao10 =DIG_CODE[aa[0]/10];
                     fen1    =DIG_CODE[aa[1]%10];
                     fen10 =DIG_CODE[aa[1]/10];
                     shi1    =DIG_CODE[aa[2]%10];
                     shi10 =DIG_CODE[aa[2]/10];
                     zhou    =DIG_CODE[aa[3]%10];
                     ri1    =DIG_CODE[(aa[4]%10)]|ridian;
                     ri10    =DIG_CODE[aa[4]/10];
                     yue1    =DIG_CODE[(aa[5]%10)]|yuedian;
                     yue10 =DIG_CODE[aa[5]/10];
                     djs1    =DIG_CODE[DJS%10];
                     djs10 =DIG_CODE[DJS/10%10];
                     djs100 =DIG_CODE[DJS/100%10];

//miao1 =DIG_CODE[TIME[0]%16];
//miao10 =DIG_CODE[TIME[0]/16];
//fen1    =DIG_CODE[TIME[1]%16];
//fen10 =DIG_CODE[TIME[1]/16];
//shi1    =DIG_CODE[TIME[2]%16];
//shi10 =DIG_CODE[TIME[2]/16];
//ri1    =DIG_CODE[TIME[3]%16]|ridian;
//ri10    =DIG_CODE[TIME[3]/16];
//yue1    =DIG_CODE[TIME[4]%16]|yuedian;
//yue10 =DIG_CODE[TIME[4]/16];
//zhou    =DIG_CODE[TIME[5]%16];
//djs1    =DIG_CODE[DJS%10];
//djs10 =DIG_CODE[DJS/10%10];
//djs100 =DIG_CODE[DJS/100%10];

if(key_nmb==6)
{
shi1    =DIG_CODE[aa[6]%10];
shi10 =DIG_CODE[aa[6]/10];
}
if(key_nmb==7)
{
djs100 =DIG_CODE[16];
djs1    =DIG_CODE[B1%10];
djs10 =DIG_CODE[B1/10%10];
}
if(key_nmb==8)
{
djs100 =DIG_CODE[17];
djs1    =DIG_CODE[B2%10];
djs10 =DIG_CODE[B2/10%10];
}
if(key_nmb==9)
{
djs100 =DIG_CODE[18];
djs1    =DIG_CODE[B3%10];
djs10 =DIG_CODE[B3/10%10];
}
   }
if(xish)
{
if (key_nmb==0) {miao1=0x00;miao10=0x00;}
if (key_nmb==1) {fen1=0x00;fen10=0x00;}
if (key_nmb==2) {shi1=0x00;shi10=0x00;}
if (key_nmb==4) {ri1=0x00;ri10=0x00;}
if (key_nmb==5) {yue1=0x00;yue10=0x00;}
if (key_nmb==3) {zhou=0x00;}
if (key_nmb==6) {fen1=0x00;fen10=0x00;miao1=0x00;miao10=0x00;ri1=0x00;ri10=0x00;yue1=0x00;yue10=0x00;zhou=0x00;}
if (key_nmb>6 && key_nmb<10){djs1=0x00;djs10=0x00;}
}
if(led){miao1=miao10=fen1=fen10=shi1=shi10=ri1=ri10=yue1=yue10=zhou=djs100=djs10=djs1=0x00;}
}
/****************************************************************************************************************
* 函数名       : key_sm
* 函数功能          : 扫描三个按键
****************************************************************************************************************/
void key_sm()
{
uchar temp;
if (KKEEYY==3){KKEEYY=0;
      key_nmb=key_nmb+1;
      fanhui=0;
      }
      if (key_nmb>10) key_nmb=0;
if (KKEEYY==6){KKEEYY=0;
      if(key_nmb<7) {
      temp= aa[key_nmb]+1 ;
      if(key_nmb==0) temp=0;
      if (temp >hi[key_nmb])temp=low[key_nmb];
      if (temp <low[key_nmb])temp=hi[key_nmb];
      write_byte(nnn[key_nmb], HEX2BCD(temp));
      read_time=1;
//       bbb(miao1,miao10);
//       HC595SendData(~djs100,~djs10,~djs1,~/*DIG_CODE[key_nmb]*/zhou, ~ri1,~ri10,~yue1,~yue10,~shi10,~shi1,~fen10,~fen1);

      }

      else
      {
            if (key_nmb==7) B1++;
            if (key_nmb==8) B2++;
            if (key_nmb==9) B3++;
            if (B1>30)B1=21;
            if (B2>12)B2=1;
            if (B3>31)B3=1;
            shanchu(chuzhi);
            xieru(chuzhi+1,B1);
            xieru(chuzhi+2,B2);
            xieru(chuzhi+3,B3);
            B1=duqu(chuzhi+1);
            B2=duqu(chuzhi+2);
            B3=duqu(chuzhi+3);
      read_time=1;
      }
      DJS= day_count(B1,B2,B3);
      fanhui=0;
      }
if (KKEEYY>0){};
}
//按钮扫描    需在定时中断中调用
void anjian()
{

static uint JiShu=0;
static uint JiShu1=0;
static uchar keybuf = 0xff;
static uchar keybuf1 = 0xff;
uchar nm=28;
//
keybuf = (keybuf <<1) |Kfun;
if(keybuf == 0x00)
{ JiShu++; if(JiShu>=nm) {JiShu=0;KKEEYY=3/*下键*/;} }
else keybuf=0;

// keybuf1 = 0xff;
keybuf1 = (keybuf1 <<1) |Kadd;
if(keybuf1 == 0x00)
{ JiShu1++; if(JiShu1>=nm) {JiShu1=0;KKEEYY=6/*上键*/;} }

else keybuf1=0;

}


/****************************************************************************************************************
* 函数名       : main
* 函数功能          : 主函数
****************************************************************************************************************/
//uint BB;
void main()
{
key_nmb=10;
EA = 1;    //开总中断
ConfigTimer0(5); //配置T0定时
write_byte(DS3231_CONTROL, 0x1C);       //控制寄存器  DS3231_CONTROL    这两行写入main函数里
write_byte(DS3231_STATUS, 0x00);          //状态寄存器  DS3231_STATUS
// write_byte(DS3231_SECOND,HEX2BCD(20));  //修改秒
//       write_byte(DS3231_MINUTE,HEX2BCD(58));  //修改分
//       write_byte(DS3231_HOUR,HEX2BCD(8));    //修改时
//       write_byte(DS3231_WEEK,HEX2BCD(6));    //修改周
//       write_byte(DS3231_DAY,HEX2BCD(18));    //修改日
//       write_byte(DS3231_MONTH,HEX2BCD(12)); //修改月
//       write_byte(DS3231_YEAR,HEX2BCD(21)); //修改
      B1=duqu(chuzhi+1) ;
      B2=duqu(chuzhi+2) ;
      B3=duqu(chuzhi+3) ;
      DJS= day_count(B1,B2,B3);
      chushihua();
      while(1)
         {          if(fanhui==20){key_nmb=10;}
                     key_sm();
                        TIME_read();
                     bbb(miao1,miao10);
//                      if(!shanshuo) {    //
                     HC595SendData(~djs100,~djs10,~djs1,~/*DIG_CODE[key_nmb]*/zhou, ~ri1,~ri10,~yue1,~yue10,~shi10,~shi1,~fen10,~fen1);
//                      }
            }
}
//中断定义为5毫秒
void InterruptTimer0() interrupt 1
{
static uchar Di;
   //非编辑模式进入
//    if(BianJi==0)
//    {    anjian();
      Di++;
      shanshuo++    ;
      if(shanshuo==30)shanshuo=0;
      if(Di%100<90) {xish=0;}else {xish=1;}
      if(Di==100)
      {
      read_time=0;

      }    //秒显示赋值 0.5秒
      if(Di==200)
      {
      Di=0;
      read_time=1; //一秒一次读DS3231时间，并写入数码管缓冲区的标记
      if(!led)shuangdian=~shuangdian;
      if(led) shuangdian=1;
      yuedian=yuedian^0x80;
      ridian=yuedian^0x80;
      fanhui++;
      }
//    }
   anjian();    //按键扫描
   WDT_CONTR=0x37;    //看门狗刷新  8.4S

}

Keil代码与Proteus仿真下载:

74hc595 共阳数码管20211204 型号：21-12-1 - 改装DS3231 - 副本.rar (1.4 MB, 下载次数: 129)