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標題: 六路搶答器完整的單片機源程序 [打印本頁]

作者: qiyang1993 時間: 2017-4-14 10:33
標題: 六路搶答器完整的單片機源程序
完整的源程序：
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit K1=P1^0;
sbit K2=P1^1;
sbit K3=P1^2;
sbit K4=P1^3;
sbit K5=P1^4;
sbit K6=P1^5;
sbit D6=P2^5;
sbit D5=P2^4;
sbit D4=P2^3;
sbit D3=P2^2;
sbit D2=P2^1;
sbit D1=P2^0;
sbit speak=P2^7; //       蜂鳴器引腳定義
unsigned int table_seg[16]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82};
uchar a;
void delay_1ms(unsigned int ms);
void key();
void display();
void main(void)
{
unsigned char key_value=0;
uint i=5;
P0=0xff;
delay_1ms(500);
do
{
      P0=table_seg[i--];
      delay_1ms(1000);
}while(i>0);
speak=0;
delay_1ms(300);
speak=1;
      while(1)
  {
               key();
               display();
  }
}
void delay_1ms(unsigned int ms)
      {
            unsigned char ns;
            while( ms -- )
            for(ns = 0;ns < 116;ns ++);
      }
void display()
{
P0=table_seg[a];
delay_1ms(5);
}
void key()
{
if(K1==0)
{
   delay_1ms(10);
   if(K1==0)
   {
            D1=0;
               a=1;
               P0=table_seg[a];
               speak=0；
               while(!K1);
               while(1);
               }
         }
if(K2==0)
{
   delay_1ms(10);
      if(K2==0)
      {
            D2=0;
               a=2;
               P0=table_seg[a];
               speak=0;
               while(!K2);
               while(1);
         }
      }
   if(K3==0)
   {
         delay_1ms(10);
      if(K3==0)
      {
                        D3=0;
                     a=3;
                        P0=table_seg[a];
                        speak=0;
                        while(!K3);
                        while(1);
               }
            }
            if(K4==0)
            {
               delay_1ms(10);
               if(K4==0)
               {
                        D4=0;
                        a=4;
                        P0=table_seg[a];
                     speak=0;
                        while(!K4);
                        while(1);
      }
      }
      if(K5==0)
            {
               delay_1ms(10);
               if(K5==0)
               {
                        D5=0;
                        a=5;
                        P0=table_seg[a];
                        speak=0;
                        while(!K5);
                        while(1);
      }
      }
if(K6==0)
            {
               delay_1ms(10);
               if(K6==0)
               {
  D6=0;
                        a=6;
                        P0=table_seg[a];
                        speak=0;
                        while(!K6);
                        while(1);
      }}}

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