有关用DS12C887制作时钟的问题，自学的孩子伤不起啊~

孤獨の快樂

1楼-- · 2019-03-24 21:27

这跳变是随机的吗？

yangyangshuai10

2楼-- · 2019-03-24 22:58

貌似是随机的看不出什么规律。。。。

yangyangshuai10

3楼-- · 2019-03-25 00:54

#include<reg52.h>
  #define uchar unsigned char
  #define uint unsigned int
  sbit RS=P2^1;
  sbit RW=P1^5;
  sbit E=P1^6;
  sbit dula=P2^6;
  sbit wela=P2^7;
  sbit key=P3^1;
  sbit s6=P3^6;
  sbit s7=P3^7;
  sbit s5=P3^5;
  sbit CSDS=P1^4;
  sbit ASDS=P1^3;
  sbit RWDS=P1^1;
  sbit DSDS=P1^7;
  sbit SPK=P1^2;
  sbit IRQ=P3^2;
  uchar num,num1,num2,keynum,flag,n,m,k;
  char shi,fen,miao,nian,yue,ri,week;
  uchar code table[]={"20  /  /    "};
  uchar code table1[]={"  :  :  "};
  uchar code table2[]={"MONTUEWENTHUFRISATSUN"};
  uchar code table3[]={"SUNSATFRITHUWENTUEMON"};
  void set_time();
  void write_ds(uchar,uchar);
  void naozhongsfm(uchar,uchar,uchar);
  uchar read_ds(uchar);
  void delay(uchar z)
  {
uint x,y;
for(x=z;x>0;x--)
   for(y=110;y>0;y--);
  }
void write_com(uchar com)
  { delay(5);
    E=0;
RS=0;
RW=0;
delay(5);
E=1;
P0=com;
delay(5);
E=0;
  }
  void write_date(uchar date)
  { delay(5);
    E=0;
RS=1;
RW=0;
delay(5);
E=1;
P0=date;
E=0;
  }
void write_sfm(uchar add,uchar date)
{
uchar si,ge;
si=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+si);
write_date(0x30+ge);
}
  void keys()
  { key=0;
      if(s6==0)
{
      delay(1);
if(s6==0)
{ keynum++;
      flag=1;
SPK=0;
      while(!s6);
         if(keynum==1)
   {
   write_com(0x80+0x40+6);
   write_com(0x0f);
   }
      }

      if(keynum==2)
   {
write_com(0x80+0x40+3);

   }
      if(keynum==3)
   {
write_com(0x80+0x40);
        }
if(keynum==4)
   {
write_com(0x80+2);
   }
if(keynum==5)
   {
write_com(0x80+5);
   }
     if(keynum==6)
   {
write_com(0x80+8);
   }
     if(keynum==7)
   {
write_com(0x80+11);
   }
     if(keynum==8)
   {
      keynum=0;
      flag=0;
write_com(0x0c);
write_ds(0,miao);
write_ds(2,fen);
write_ds(4,shi);
m=week+3;
k=m/3-1;
      write_ds(6,k);
write_ds(8,yue);
write_ds(9,nian);
write_ds(7,ri);
   }
}
   if(keynum!=0)
{
      if(s7==0)
{
   delay(5);
   if(s7==0)
   {
      while(!s7);
      if(keynum==1)
{
      miao++;
if(miao==60)
{
miao=0;
}
write_com(0x80+0x40+6);
write_sfm(6,miao);
write_com(0x80+0x40+6);
}
if(keynum==2)
{
      fen++;
if(fen==60)
{
fen=0;
}
write_com(0x80+0x40+3);
write_sfm(3,fen);
write_com(0x80+0x40+3);
}
if(keynum==3)
{
      shi++;
if(shi==24)
{
shi=0;
}
write_com(0x80+0x40);
write_sfm(0,shi);
write_com(0x80+0x40);
}
if(keynum==4)
{
      nian++;
if(nian==100)
{
nian=0;
}
write_com(0x80+2);
write_sfm(-0x40+2,nian);
write_com(0x80+2);
}
if(keynum==5)
{
      yue++;
if(yue==13)
{
yue=1;
}
write_com(0x80+5);
write_sfm(-0x40+5,yue);
write_com(0x80+5);
}
if(keynum==6)
{
      ri++;
if(ri==32)
{
ri=1;
}
write_com(0x80+8);
write_sfm(-0x40+8,ri);
write_com(0x80+8);
}
if(keynum==7)
{
if(week==21)
{
week=0;
}
write_com(0x80+11);
for(num2=0;num2<3;num2++)
{
   write_date(table2[week]);
   week++;
   delay(5);
}
   write_com(0x80+11);
}
if(keynum==8)
{
   write_com(0x0c);
   keynum=0;
}
      }
}
if(s5==0)
{
   delay(5);
   if(s5==0)
   {
      while(!s5);
      if(keynum==1)
{
   miao--;
   if(miao==-1)
   {
   miao=59;
   }
   write_sfm(6,miao);
   write_com(0x80+0x40+6);
}
   if(keynum==2)
{
   fen--;
   if(fen==-1)
   {
   fen=59;
   }
   write_sfm(3,fen);
   write_com(0x80+0x40+3);
}
   if(keynum==3)
{
   shi--;
   if(shi==-1)
   {
   shi=23;
   }
   write_sfm(0,shi);
   write_com(0x80+0x40);
}
if(keynum==4)
{
   nian--;
   if(nian==-1)
   {
   nian=99;
   }
   write_sfm(-0x40+2,nian);
   write_com(0x80+2);
}
if(keynum==5)
{
   yue--;
   if(yue==-1)
   {
   yue=12;
   }
   write_sfm(-0x40+5,yue);
   write_com(0x80+5);
}
if(keynum==6)
{
   ri--;
   if(ri==-1)
   {
   ri=30;
   }
   write_sfm(-0x40+8,ri);
   write_com(0x80+8);
}
if(keynum==7)
{
if(week==21)
{
week=0;
}
write_com(0x80+11);
for(num2=0;num2<3;num2++)
{
   write_date(table3[week]);
   week++;
   delay(5);
}
   write_com(0x80+11);
}

   }
}
}
       }

  void init()
{
   SPK=0;
   EA=1;
   EX0=1;
   IT0=1;
   week=0;
   keynum=0;
   dula=0;
   wela=0;
   E=0;
   write_ds(11,0x26);    //寄存器B设置返回值BCD形式并开启闹钟
//    write_ds(12,0x00); //寄存器C设置中断    2
//    write_ds(10,0xa0); //寄存器A设置
   naozhongsfm(16,41,15);
   read_ds(12);
//    miao=45;
//    shi=23;
//    fen=59;
       write_com(0x38);
   write_com(0x06);
   write_com(0x0c);
   write_com(0x80);
    for(num=0;num<14;num++)
{
write_date(table[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<8;num++)
{
write_date(table1[num]);
delay(5);
}
  }

  void write_ds(uchar add,uchar date)
  {
ASDS=1;
DSDS=1;
RWDS=1;
CSDS=0;
P0=add;

ASDS=0;
RWDS=0;
P0=date;

RWDS=1;
ASDS=1;
CSDS=1;
  }
uchar read_ds(uchar add)
  {
uchar ds_date;
ASDS=1;
DSDS=1;
RWDS=1;
CSDS=0;

P0=add;
ASDS=0;
DSDS=0;
P0=0xff; //P0清1
ds_date=P0;
DSDS=1;
ASDS=1;
CSDS=1;
return ds_date;
  }
void naozhongsfm(uchar ashi,uchar afen,uchar amiao)
{    write_ds(5,ashi);
   write_ds(3,afen);
   write_ds(1,amiao);    //闹钟时间设置


}
  void main()
{ init();
while(1)
  { keys();
if(flag==0)
{
//write_ds(9,11); //初始化
//write_ds(8,11);
//write_ds(7,18);
//write_ds(6,5);
//write_ds(4,21);
//write_ds(2,9);
//write_ds(0,0);
miao=read_ds(0); //读时间
fen=read_ds(2);
shi=read_ds(4);
nian=read_ds(9);
yue=read_ds(8);
n=read_ds(6);
week=n*3-3;    //读星期
ri=read_ds(7);
write_sfm(6,miao);    //送显示屏
write_sfm(3,fen);
write_sfm(0,shi);
write_com(0x80+11);
for(num2=0;num2<3;num2++)
{
   write_date(table2[week]);
   week++;
   delay(1);
}
write_sfm(-0x40+5,yue);
write_sfm(-0x40+2,nian);
write_sfm(-0x40+8,ri);
}
  }
}
void exter() interrupt 0
{ uchar c;
SPK=1;
c=read_ds(12);
}

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