我搞的頻率計c程

ID:71774 · 發(fā)表于 2015-1-24 18:38

#include <reg52.h>    // 自寫頻率計程序,在學(xué)習(xí)板上通過
typedef  unsigned char uint8;
typedef  unsigned int uint16;
typedef  unsigned long uint32;
code uint8 number[] = {0xc0,0xf9,0xa4,0xb0,
      0x99,0x92,0x82,0xf8,
        0x80,0x90};
uint8 a[6];
uint16 counter,counter1;
uint8 ky;
uint32 sec;
sbit ENLED = P1^4;
sbit ADDR0 = P1^0;
sbit ADDR1 = P1^1;
sbit ADDR2 = P1^2;
sbit ADDR3 = P1^3;
sbit KeyOut1=P2^3;
sbit K1 = P2^4;
bit flag;

void refresh_led()
{
   static uint8 j = 0;

switch(j)
   {
   case 0: ADDR0 = 0;ADDR1 = 0;ADDR2 = 0;j++;P0 = number[a[0]];break;
case 1: ADDR0 = 1;ADDR1 = 0;ADDR2 = 0;j++;P0 = number[a[1]];break;
case 2: ADDR0 = 0;ADDR1 = 1;ADDR2 = 0;j++;P0 = number[a[2]];break;
case 3: ADDR0 = 1;ADDR1 = 1;ADDR2 = 0;j++;P0 = number[a[3]];break;
case 4: ADDR0 = 0;ADDR1 = 0;ADDR2 = 1;j++;P0 = number[a[4]];break;
case 5: ADDR0 = 1;ADDR1 = 0;ADDR2 = 1;j = 0;P0 = number[a[5]];break;
default: break;
}

}
void Key1(void)
{
      while(!K1);
      ky++;
      if(ky > 1)
      ky=0;
}

void Delay(uint16 ms)
{
uint8 i;
      while(ms--)
      {
      for( i=0;i<125;i++)
            ;
      }
}

main()
{
ENLED = 0; ADDR3 = 1;
   KeyOut1=0;
   TMOD=0x15;
   TH0=0;
   TL0=0;
   TH1=(65536-4000)/256;
   TL1=(65536-4000)%256;
   TR1=1;
   TR0=1;
   ET0=1;
   ET1=1;
   EA=1;
   while(1)

      {
            if(!K1)
            Delay(5);
            if(!K1)
            Key1();
      if(flag==1)
         { flag=0;
sec=counter*65536+TH0*256+TL0;

      if(ky==1)
                  sec=0;

              a[0] = sec%10;
            a[1] = sec/10%10;
            a[2] = sec/100%10;
            a[3] = sec/1000%10;
            a[4] = sec/10000%10;
         a[5] = sec/100000%10;

         counter=0;
            counter1=0;
            TH0=0;
            TL0=0;
            TR0=1;
   }


   }
}
void t0(void) interrupt 1 using 1
{

counter ++;

}
void t1(void) interrupt 3 using 2

{

TH1=(65536-4000)/256;

TL1=(65536-4000)%256;

counter1++;

if(counter1==250)

{

TR0=0;
counter1=0;
flag=1;
}
refresh_led();

}