数字闹钟-myouravr的回答

数字闹钟

2020-02-05 08:47发布

#include<reg52.h> //头文件
#include<intrins.h>
#define uchar unsigned char  //宏定义
#define uint unsigned int
//位定义
sbit rs=P2^5;    //液晶位定义
sbit lcden=P2^7;
sbit s1=P2^0;    //时间功能切换按键
sbit s2=P2^1;    //按键加
sbit s3=P2^3;    //按键减
sbit s4=P2^4;    //闹钟功能切换键
sbit rst=P1^5;    //ds1302引脚定义
sbit io=P1^6;
sbit sclk=P1^7;
sbit beep=P3^0;    //蜂鸣器

uchar num,count,shi,fen,miao,s1num,s2num,
year,month,day,week,flag,flag1,year1,month1,
day1,week1,shi1,fen1,miao1,year2,month2,
day2,week2,shi2,fen2,miao2,year5,month5,
day5,week5,shi5,fen5,miao5,wk,ashi,afen;    //参数定义

uchar code table[]="20  -  -    ";    //液晶固定显示
uchar code table1[]="  :  : 00:00";
/*
uchar time_dat[7]={12,1,6,6,12,59,59};  //年周月日时分秒
uchar write_add[7]={0x8c,0x8a,0x88,0x86,0x84,0x82,0x80};
uchar read_add[7]={0x8d,0x8b,0x89,0x87,0x85,0x83,0x81};
*/
void write_com(uchar com);             //液晶写指令函数
void write_data(uchar date);          //液晶写数据函数
void write_ds1302(uchar add,uchar dat);  //ds1302芯片写指令函数
void set_rtc();                         //ds1302时间设置函数
void time_pros();                      //ds1302进制转换函数
void read_rtc();                      //ds1302读时间函数
void alarm();                         //闹钟函数

void delay(uint z)                      //延时函数
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}

void init()                   //初始化
{
lcden=0;
   flag=0;
   flag1=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);          //液晶固定显示，第一行
for(num=0;num<14;num++)
{
write_data(table[num]);
delay(5);
}

write_com(0x80+0x40);    //液晶显示第二行
for(num=0;num<20;num++)
{
      write_data(table1[num]);
delay(5);
}

}

void write_com(uchar com)//1602液晶写指令
{
rs=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}

void write_data(uchar date)//1602液晶写写数据
{
rs=1;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}

void write_sfm(uchar add,uchar date)//时分秒
{
uchar shi3,ge;
shi3=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_data(0x30+shi3);
write_data(0x30+ge);

}

void write_nyr(uchar ad,uchar date)//年月日
{
uchar shi4,ge2;
shi4=date/10;
ge2=date%10;
write_com(0x80+ad);
write_data(0x30+shi4);
write_data(0x30+ge2);
}

void write_week(uchar wk)  //星期按西方星期设置  星期天为第一天
{
write_com(0x80+11);
switch(wk)
{
      case 1:    write_data('S');
                  delay(5);
                  write_data('U');
                  delay(5);
                  write_data('N');
                  break;

      case 2:    write_data('M');
                  delay(5);
                  write_data('O');
                  delay(5);
                  write_data('N');
                  break;

      case 3:    write_data('T');
                  delay(5);
                  write_data('U');
                  delay(5);
                  write_data('E');
                  break;

      case 4:    write_data('W');
                  delay(5);
                  write_data('E');
                  delay(5);
                  write_data('D');
                  break;

      case 5:    write_data('T');
                  delay(5);
                  write_data('H');
                  delay(5);
                  write_data('U');
                  break;

      case 6:    write_data('F');
                  delay(5);
                  write_data('R');
                  delay(5);
                  write_data('T');
                  break;

      case 7:    write_data('S');
                  delay(5);
                  write_data('A');
                  delay(5);
                  write_data('T');
                  break;


}

}

void keyscan()             //按键函数
{
if(s1==0)
{
      delay(5);
      if(s1==0)
      {
         write_com(0x0f);
         s1num++; //记录按键次数
         flag=1;
         flag1=1;
         while(!s1);

         switch(s1num)//光标闪烁点定位
         {
            case 1:write_com(0x80+0x40+6); //秒
                        break;

            case 2:write_com(0x80+0x40+3); //分
                        break;

            case 3:write_com(0x80+0x40+0); //时
                        break;

            case 4:write_com(0x80+11);    //星期
                        break;
            case 5:write_com(0x80+8);       //日
                        break;

            case 6:write_com(0x80+5);       //月
                        break;

            case 7:write_com(0x80+2);       //年
                        break;

            case 8:s1num=0;
                     write_com(0x0c);//设置开显示光标不显示关闭时间设置
                     set_rtc();
                     flag=0;
                        break;
         }

      }
}

if(s1num!=0)                      //按键加减
{
      if(s2==0)                      //加按键函数
      {
         delay(10);
         if(s2==0)
         {

            while(!s2);
            switch(s1num) //根据功能键相应次数做出调节
            {
                  case 1:    miao++;                //秒加
                              if(miao==60)
                                 miao=0;
                              write_sfm(6,miao);
                              write_com(0x80+0x40+6);
                              break;

                  case 2:    fen++;                   //分加
                              if(fen==60)
                                 fen=0;
                              write_sfm(3,fen);
                              write_com(0x80+0x40+3);
                              break;

                  case 3:    shi++;                   //时加
                              if(shi==24)
                                 shi=0;
                              write_sfm(0,shi);
                              write_com(0x80+0x40+0);
                              break;

                  case 4:    week++;                   //星期加
                              if(week==8)
                                 week=1;
                              write_week(week);
                              write_com(0x80+11);
                              break;

                  case 5:    day++;                   //日加
                              if(day==32)
                                 day=1;
                              write_nyr(8,day);
                              write_com(0x80+8);
                              break;

                  case 6:    month++;                   //月加
                              if(month==13)
                                 month=1;
                              write_nyr(5,month);
                              write_com(0x80+5);
                              break;

                  case 7:    year++;                   //年加
                              if(year==100)
                                 year=0;
                              write_nyr(2,year);
                              write_com(0x80+2);
                              break;

            }

         }

      }

      if(s3==0)                                  //减按键函数同上
      {
         delay(10);
         if(s3==0)
         {
            while(!s3);
            switch(s1num) //根据功能键相应次数做出调节
            {
                  case 1:    miao--;
                              if(miao==-1)
                                 miao=59;
                              write_sfm(6,miao);
                              write_com(0x80+0x40+6);
                              break;

                  case 2:    fen--;
                              if(fen==-1)
                                 fen=59;
                              write_sfm(3,fen);
                              write_com(0x80+0x40+3);
                              break;

                  case 3:    shi--;
                              if(shi==-1)
                                 shi=23;
                              write_sfm(0,shi);
                              write_com(0x80+0x40+0);
                              break;

                  case 4:    week--;
                              if(week==-1)
                                 week=7;
                              write_week(week);
                              write_com(0x80+11);
                              break;

                  case 5:    day--;
                              if(day==-1)
                                 day=31;
                              write_nyr(8,day);
                              write_com(0x80+8);
                              break;

                  case 6:    month--;
                              if(month==-1)
                                 month=12;
                              write_nyr(5,month);
                              write_com(0x80+5);
                              break;

                  case 7:    year--;
                              if(year==-1)
                                 year=99;
                              write_nyr(2,year);
                              write_com(0x80+2);
                              break;


            }

         }
      }

}

if(s4==0)             //闹钟按键
{
      delay(5);
      if(s4==0)
      {
         write_com(0x0f); //光标闪烁
         s2num++; //记录按键次数
         flag=1;
         while(!s4);
         switch(s2num)//光标闪烁点定位
         {
            case 1:write_com(0x80+0x40+13); //分
                        break;

            case 2:write_com(0x80+0x40+10);    //时
                        break;

            case 3:write_com(0x0c);          //关闭闹钟设置
                        flag=0;
                        s2num=0;
                        break;

         }

      }
}

if(s2num!=0)       //闹钟设置
{
      if(s2==0)       //闹钟加
      {
         delay(10);
         if(s2==0)
         {
            while(!s2);
            switch(s2num) //根据功能键相应次数做出调节
            {
                  case 1:    afen++;
                              if(afen==60)
                                 afen=0;
                              write_sfm(13,afen);
                              write_com(0x80+0x40+13);
                              break;

                  case 2:    ashi++;
                              if(ashi==24)
                                 ashi=0;
                              write_sfm(10,ashi);
                              write_com(0x80+0x40+10);
                              break;

            }
         }
      }

      if(s3==0)             //闹钟减
      {
         delay(10);
         if(s3==0)
         {
            while(!s3);
            switch(s2num) //根据功能键相应次数做出调节
            {
                  case 1:    afen--;
                              if(afen==-1)
                                 afen=59;
                              write_sfm(13,afen);
                              write_com(0x80+0x40+13);
                              break;

                  case 2:    ashi--;
                              if(ashi==-1)
                                 ashi=23;
                              write_sfm(10,ashi);
                              write_com(0x80+0x40+10);
                              break;

            }
         }
      }

}
}

void wirte_ds1302_byte(uchar dat)          //ds1302字节写
{
uchar i;
for(i=0;i<8;i++)
{
      sclk=0;
      io=dat&0x01;
      dat=dat>>1;
      sclk=1;
}
}

void write_ds1302(uchar add,uchar dat)       //ds1302写函数
{
rst=0;
_nop_();// 空操作
sclk=0;
_nop_();
rst=1;
_nop_();
wirte_ds1302_byte(add);
wirte_ds1302_byte(dat);
rst=0;
io=1;
sclk=1;
}

uchar read_ds1302(uchar add)             //ds1302读函数
{
uchar i,value;
rst=0;
_nop_();// 空操作
sclk=0;
_nop_();
rst=1;
_nop_();
wirte_ds1302_byte(add);
for(i=0;i<8;i++)
{
      value=value>>1;
      sclk=0;
      if(io)
      {
         value=value|0x80;
      }
      sclk=1;
}
rst=0;
_nop_();// 空操作
sclk=0;
_nop_();
sclk=1;
io=1;
return value;
}

void set_rtc()                            //ds1302时间设置
{
write_ds1302(0x8e,0x00); //关写保护
year1=year/10;             //转换为十六进制
year=year%10;
year=year+year1*16;
write_ds1302(0x8c,year);

week1=week/10;
week=week%10;
week=week+week1*16;
write_ds1302(0x8a,week);

month1=month/10;
month=month%10;
month=month+month1*16;
write_ds1302(0x88,month);

day1=day/10;
day=day%10;
day=day+day1*16;
write_ds1302(0x86,day);

shi1=shi/10;
shi=shi%10;
shi=shi+shi1*16;
write_ds1302(0x84,shi);

fen1=fen/10;
fen=fen%10;
fen=fen+fen1*16;
write_ds1302(0x82,fen);

miao1=miao/10;
miao=miao%10;
miao=miao+miao1*16;
write_ds1302(0x80,miao);

write_ds1302(0x8e,0x80); //开写保护
flag1=0;

}

void read_rtc()                   //从ds1302中读时间
{
      year2=read_ds1302(0x8d);
      week2=read_ds1302(0x8b);
      month2=read_ds1302(0x89);
      day2=read_ds1302(0x87);
      shi2=read_ds1302(0x85);
      fen2=read_ds1302(0x83);
      miao2=read_ds1302(0x81);

}

void time_pros()                   //从ds1302中读出的时间转换为十进制
{

   year5=year2/16;
   year2=year2%16;
   year2=year2+year5*10;

   month5=month2/16;
   month2=month2%16;
   month2=month2+month5*10;

   day5=day2/16;
   day2=day2%16;
   day2=day2+day5*10;

   shi5=shi2/16;
   shi2=shi2%16;
   shi2=shi2+shi5*10;

   fen5=fen2/16;
   fen2=fen2%16;
   fen2=fen2+fen5*10;

   miao5=miao2/16;
   miao2=miao2%16;
   miao2=miao2+miao5*10;

}

void display()                      //显示函数
{
   write_sfm(6,miao2);
   write_com(0x80+0x40+6);

   write_sfm(3,fen2);
   write_com(0x80+0x40+3);

   write_sfm(0,shi2);
   write_com(0x80+0x40+0);

   write_week(week2);
   write_com(0x80+11);

   write_nyr(8,day2);
   write_com(0x80+8);

   write_nyr(5,month2);
   write_com(0x80+5);

   write_nyr(2,year2);
   write_com(0x80+2);

   if((ashi==shi2)&&(afen==fen2))
   {
      alarm();
   }

}

void alarm() // 闹钟
{
beep=0;
delay(1000);
beep=1;

}

void main()                //主函数
{
init();                //初始化
while(1)
{
      keyscan();          //按键函数

      if(flag==0)
      {
         keyscan();
         read_rtc();
         time_pros();
         display();
      }

}

}