求大神帮看看这单片机程序！

ID:513931 · 发表于 2019-5-13 23:22

要做一个时钟电路有四个按钮 k1切换状态：时钟状态或者调时状态 k2选择调时调小时分钟还是秒  k3k4为加减

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,
0x88,0x83,0xc6,0xa1,0x86,0x8e,0x00,0xbf};

uint a=0,b=0;
uchar shi=0;
uchar shi1=0;
uchar shi2=0;
uchar fen=0;
uchar fen1=0;
uchar fen2=0;
uchar miao=0;
uchar miao1=0;
uchar miao2=0;
uchar set1=1,set2=1;

sbit k1=P1^0;
sbit k2=P1^1;
sbit k3=P1^2;
sbit k4=P1^3;

//延时
void DelayMS(uint x)
{
      uchar i;
      while(x--) for(i=0;i<120;i++);
}

//显示程序
void xianshi(shi,fen,miao)
{
while(1)
{
shi=a/3600;
shi1=shi%10;
shi2=shi/10;
fen=(a-shi*3600)/60;
fen1=fen%10;
fen2=fen/10;
miao=a-shi*3600-fen*60;
miao1=miao%10;
miao2=miao/10;
P3=0x80;
P0=DSY_CODE[miao1];
DelayMS(5);
P3=0x00;
P3=0x40;
P0=DSY_CODE[miao2];
DelayMS(5);
P3=0x00;
P3=0x20;
P0=0xbf;
DelayMS(5);
P3=0x00;
P3=0x10;
P0=DSY_CODE[fen1];
DelayMS(5);
P3=0x00;
P3=0x08;
P0=DSY_CODE[fen2];
DelayMS(5);
P3=0x00;
P3=0x04;
P0=0xbf;
DelayMS(5);
P3=0x00;
P3=0x02;
P0=DSY_CODE[shi1];
DelayMS(5);
P3=0x00;
P3=0x01;
P0=DSY_CODE[shi2];
DelayMS(5);
P3=0x00;
}
}

uchar jia (uchar n)
{
if(k3==0)
      {
         DelayMS(20);
   if(k3==0)
         {
            n++;
            while(!k3);
         }
      }
      return n;
}

uchar jian (uchar m)
{
if(k4==0)
      {
         DelayMS(20);
   if(k4==0)
         {
            m++;
            while(!k4);
               if(m<0)
               {
                  m=0;
               }
         }
      }
      return m;
}

void one()
{
         if(k1==0)
      {
         DelayMS(20);
   if(k1==0)
         {
            set1++;
            while(!k1);
               if(set1==3)
               {
                  set1=1;
               }
         }
      }
}

void two()
{
if(k2==0)
      {
         DelayMS(20);
   if(k2==0)
         {
            set2++;
            while(!k2);
               if(set2==4)
               {
                  set2=1;
               }
         }
      }
}

void time()
{
if(set1==2)
{
   if(set2==1)
      {
         shi=jia(shi);
               if(shi==24)
               {
                  shi=0;
               }
               if(shi==-1)
               {
                  shi=23;
               }
               shi=jian(shi);
      }
      if(set2==2)
      {
         fen=jia(fen);
               if(fen==60)
               {
                  fen=0;
               }
               if(fen==-1)
               {
                  fen=59;
               }
               fen=jian(fen);
      }
      if(set2==3)
      {
         miao=jia(miao);
               if(miao==60)
               {
                  miao=0;
               }
               if(miao==-1)
               {
                  miao=59;
               }
               miao=jian(miao);
      }
}
}

void main()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
IE=0x82;
TR0=1;

while(1)
{
      if(set1==1)
      {
         xianshi(shi,fen,miao);
      }
      if(set1==2)
      {
         xianshi(shi,fen,miao);
      }
      one();
      two();
      time();

}
}

void zhongduan() interrupt 1
{
      TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
b++;
      if(b==20)
      {a++; b=0;}
      if(miao==60)
      {
         miao=0;
         fen++;
      }
      if(fen==60)
      {
         fen=0;
         shi++;
      }
      if(shi==24)
      {
         shi=0;
      }
}

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