cdd

ADSL测试仪

//LCD12864P.c
#include "AT89x051.h"
#include <stdlib.h>
#include<math.h>
#include<intrins.h>

#define Ledlight() (P0 &= 0x7f)
#define Leddark()  (P0 |= 0x80)

sbit	LED3=P0^0;      
sbit	LED4=P0^1;	
sbit	LED5=P0^2;	
sbit	LED6=P0^3;	
sbit	LED7=P0^4;	
sbit	LED8=P0^5;	
sbit	LED9=P0^6;	

main()  {
  Intial();
  if (P1^1==1&&P1^3==1&&P1^4==1&&P1^6==1&&P2^3==1&&P1^2==0)//STEP 1
    P1^0=1;
  else 
    LED3=1;
  
  if (P1^2==1&&P1^3==0)   //STEP 2
    P2^1=0;
  else
    LED4=1;
  
  if (P2^0==0)    //STEP 3
    P1^0=Square(40);
  else 
    LED5;
  
  
  
  if (P1^5==1)  //STEP 5 
    P1^4=0;
    DelayTime (1000000);
    
  if (P1^5==0)  //STEP 6
    LED7;
  else LED6;
}
  
void Initall(void)
{
	TMOD = 0x11;		
	IP = 0x8;		
        IE = 0x8A;		
	TCON = 5;		
        TR0 = 1;		
	TR1 = 0;
        ET0 = 1;
	ET1 = 0;
        P1 = 0xff;
}
   
   
void DelayTimes(unsigned int time) 
{
	unsigned char temp;

	for(;time=0;time--) 
		for(temp=112;temp!=0;temp--);
}