求幫忙看看單片機計數程序哪里出錯了?

ID:493301 · 發表于 2019-3-18 16:21

#include<reg52.h>
                                                //#define S1 3       ;             //S1 開關返回的數值
                                                //#define Request 1;             //請求開關返回的值
sfr P5=0xc8;                                              //#define Over 2;                      //結束開關返回的值
#define table  P1
sbit gewei=P2^6;             //數碼管個位
sbit shiwei=P0^0;             //P5^5;             數碼管十位
sbit LED1=P2^7;
sbit LED2=P2^5;
sbit Bell=P0^1;             //P5^4;
sbit OutCrtl=P3^7;             //繼電器開關
sbit PowerCrtl=P3^2;
sbit S1_K=P2^4;
sbit Request_K = P3^3;
sbit Over_K=P3^4;
unsigned int min=30;                                        //秒
unsigned int gw          ;
unsigned  int sw  ;
unsigned char Code[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
int Key_Press();                //按鍵掃描
void Delay_Ms(unsigned int ); //延時1MS
void LED_BELL()
{
      int i=0;
      for(i;i<5;i++)
      {       LED1=0;
            LED2=0;
            Bell=1;
            Delay_Ms(10);
            LED1=1;
            LED2=1;
            Bell=0;
      }
}
void Display()
{
            gw=min%10;
            sw=min/10;
            gewei=0;
         P1=Code[gw];
            Delay_Ms(2);
            shiwei=0;
      P1=Code[sw];
            if(min==0)
            {
                     EA=1;
            }

}
int Key_Press()
{
      if(S1_K==0)
      {
            Delay_Ms(2);
            if(S1_K==0)
            return 3;
      }
      if(Request_K==0)
      {
            Delay_Ms(2);
            if(Request_K==0)
            return 1;
      }
      if(Over_K==0)
      {
            Delay_Ms(2);
            if(Over_K==0)
            return  2;
      }
}
//組要計數的個數N=t/T（機器周期）
//機器周期=12*（時鐘周期）1/晶振頻率
void Delay_1Ms(unsigned int n)
{
      unsigned int i,j;
      for(j=n;j>0;j--)
      for(i=112;i>0;i--);
}
// 晶振按12MHZ計算
void T1_Init()
{
      TMOD=0x10;
      TL1= (65536-50000)%256;                                        //50000*10^-6=0.5s
      TH1= (65536-50000)/256;                                        //1MHZ=10^6HZ  ; 1/f=1us
      ET1= 1;
      TR1= 1;
      EA= 1;
}
int main()
{
      int K_Date;
      T1_Init();
      K_Date=Key_Press();
      if(K_Date=1)
               {
                     Display();
                     LED_BELL();
                     if(K_Date==3)
                     {
                              OutCrtl=1;
                     }
                     if(Over_K==2)
                     {
                              gewei=0;
                              shiwei=0;
                              LED1=1;
                              LED2=1;
                              Bell=0;
                              OutCrtl=0;
                     }
            }
}
void TimerCounter_1(void) interrupt 3
{
      TL1= (65536-50000)%256;                                        //50000*10^-6=0.05s
      TH1= (65536-50000)/256;                                        //1MHZ=10^6HZ  ; 1/f=1us
      num++;
      if(num==20)
num=0
      min--;
}