#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
static int counter1=0,counter2=0;
uint vol=0, vol1=0,vol2=0;
bit flag; 
sbit   ADCLK=P3^2 				 ;
sbit   ADDI=P3^3  	 			 ;
sbit   ADDO=P3^3  				 ; 
sbit   ADCS=P3^5   			 ;
sbit   NE555_O=P3^4 			 ;
sbit   DQ=P3^7				;
sbit   SPK=P3^6 				 ;
sbit   RK=P0^0					 ;
sbit   RT=P0^1 					 ;
sbit   Rfalg=P0^2					 ;
sbit   B20SYSLED=P0^4		 ;
sbit   SOSLED=P0^3				 ;