按健连加子程序.c

按健处理调试程序

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
uchar teme=180;
sbit P2_0=P2^0;
sbit P2_1=P2^1;
sbit P2_2=P2^2;
sbit P2_3=P2^3;
sbit P2_7=P2^7;
sbit P2_4=P2^4;
sbit P1_2=P1^2;
sbit k1=P1^7;    //按键
bit ok;
bit okok;
uchar flar;
void dispy();
void delay5ms();
void key();
uchar code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
                    0x7f,0x6f,0x40,0x7c,0x39,0x5e,0x79,0x71,0x3f,0x73,0x79,0x37,0x39,0x38,0x3f,0x79};
uchar show[4]={0,0,0,0};           /*显示缓冲区*/


void tim0() interrupt 1 using 1
{
TL0=0x00;
TH0=0xdc;
flar++;
if(flar==200)
   flar=0;
}

void main()
{
 TMOD=0x01;
 TL0=0x05;
 TH0=0xdc;
 EA=1;
 ET0=1;
 P2_4=0;
while(1)
 {
  key();
  dispy();
 }
}

void dispy()
{
  
 
  P2_7=0;
  P0=tab[show[0]%10];
  P2_7=1;
  P2_3=1;
  P2_7=0;
  delay5ms();
  

  P0=tab[show[0]/10];
  P2_7=1;
  P2_3=0;
  P2_2=1;
  P2_7=0;
  delay5ms();
  

  P0=tab[show[1]/10];
  P2_7=1;
  P2_2=0;
  P2_1=1;
  P2_7=0;
  delay5ms();
   

  P0=tab[show[1]%10];
  P2_7=1;
  P2_1=0;
  P2_0=1;
  P2_7=0;
  delay5ms(); 
  P2_0=0;
   
}

void key()
{
  if(k1)
  {ok=0;     //清除连加连减的标志
  okok=0;
  flar=0;
  TR0=0;
  return;   //没有按健按下时，就马上退出子程序。
  }

    if(ok)  //是第一次
	 {
	   TR0=1;
		if(flar==65)
        {okok=1;flar=0;}
		  if(okok)          //长按健标志
		  {
		if(flar==45)       //每到45次健值自动加1
		{
        flar=0; 
		 show[0]++;
   	     if(show[0]==60)
		 {show[0]=0;}
		}
		}
		else {return;}
	  }

	  else
	  {
	   dispy();
		if(!k1)
		{
		 ok=1;
		 show[0]++;
		 if(show[0]==60)
		 {show[0]=0;}
		}
	}
}




void delay5ms()
{
  unsigned  int  i,j;
  
  for (i=0;i<5;i++)
      for (j=0;j<10;j++); 
}