找单片机大神帮忙，不会啊自己写不出来头疼

ID:452764 · 发表于 2019-2-7 07:36

#include "reg52.h       "
#define uint unsigned int
#define uchar unsigned char

sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
sbit k1=P3^0;
sbit k3=P3^3;
sbit k2=P3^2;
sbit  key=P3^1;
sbit beep=P1^5;
uchar code table[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x67};
uint  num;
void keyscan();
void display();

void delay(uint i)
{
      while(i--);
}

void DigDisplay(uchar  i)
{

      for(i=0;i<2;i++)
      {
            switch(i)
            {
                     case(0):
                              LSA=0;LSB=0;LSC=0; break;
                     case(1):
                              LSA=1;LSB=0;LSC=0; break;

            }
            P0=table[num];
            delay(100);
            P0=0x00;
      }
}

      void display()
                                    {
                                             DigDisplay(0);
                                             P0=table[num%10];
                                             delay(10);
                                             P0=0x00;


                                             DigDisplay(1);
                                             P0=table[num/10];
                                             delay(10);
                                             P0=0x00;

                                    }

void Int1Init()
{
      IT1=1;
      EX1=1;
      EA=1;
}

void Int1()       interrupt 2
{
      delay(1000);
      if(k3==0)
      {
            delay(10);
      if(k3==0)
         {
                                                      P0=table[num];
                                                      num++;
                                             }
                                                      else
                              {
                              delay(1000);//Ñóê±ò»Ãë
                              if(k3==0)
                              {
                                    num+=2;
//                                                       if(num==0)
//                                                       {num=9;}
                                                      while(!k3);
         }

                              }
      }
}

      void Int0Init()
{
      IT0=1;
      EX0=1;
      EA=1;
}

void Int0()       interrupt 0
{
      delay(1000);
      if(k2==0)
      {
            delay(10);
      if(k2==0)
         {
                                                      P0=table[num];
                                                      num--;
                                                      if(num==0)
                                                      {num=9;}
                                                      while(!k2);
         }
      }
}
      void keyscan()
{
                              if(k1==0)
                                       {
                                             delay(50);
                                       if(k1==0)
                                             {
                                                      P0=table[num];
                                                      num=0;
                                             }
                                       }

            if(key==0)
               {
                              delay(20);
                                    if(key==0)
                                    {
                                             while(1)
                                             {

                                 long uint m;
                                                      P0=0x00;
                                    for(m=0;m<=9;m++)
                                                      {
                                                      P0=table[m];
                                                      P2=0xf1;
                                                      delay(19505);
                                                            beep=~beep;
                                                      }
                                             }
                                    }
                              }
}
                                                            void main()
                                                                     {
                                                                              while(1)
                                                                        {
                                                                                             Int0Init();
                                                                                             Int1Init();
                                                                                    DigDisplay();
                                                                                    keyscan ();
                                                                                    display();
                                                                                    }
                                                                     }

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