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전체코드.txt

//Module exports

module.exports = function() {

//Module load

var wpi = require('wiring-pi');

var microt = require('microtime-nodejs');

var TransPost = require('../Trans/PostTrans');

var TRIG, ECHO;

 

// pin number

TRIG = 5;

ECHO = 4;

 

//Sensor module setup

 

//Gpio setup

//General Purpose IO

wpi.setup('gpio');

 

//gpio on the raspberry-pi

wpi.wiringPiSetup();

 

 

// TRIG pin will be used to send the signal

wpi.pinMode(TRIG, wpi.OUTPUT);

 

// ECHO pin will be used to listen for returning signal.

wpi.pinMode(ECHO, wpi.INPUT);

 

 

//Process Sleep function

function sleep(millseconds)

{

 

  var start = new Date().getTime();

  for (var i = 0; i < 1e7; i++)

  {

     if((new Date().getTime() - start) > millseconds)

    {

       break;

    }

  }

}

 

 

 

 

function checkDistance()

{

 

  wpi.digitalWrite(TRIG, wpi.LOW);

  sleep(0.2);

  wpi.digitalWrite(TRIG, wpi.HIGH);

  sleep(2);

  wpi.digitalWrite(TRIG, wpi.LOW);

 

  while(wpi.digitalRead(ECHO) == wpi.LOW);

  var startTime = microt.now();

 

  while(wpi.digitalRead(ECHO) == wpi.HIGH);

  var endTime = microt.now();

 

 

  var distance = (endTime - startTime) / 58;

  return Math.ceil(distance);

}

 

 

function getTime()

{

  var now = new Date();

  //getMonth() (0~11)

  var nowAll = now.getFullYear() + "-" + (now.getMonth() + 1) + "-" + now.getDate() + " "

                     + now.getHours() + ":" + now.getMinutes() + ":" + now.getSeconds() + " ";

  return nowAll;

}

 

 

function StartDistance()

{

 var disArray  = new Array(6);

 var DisTotal = 0;

 

 

 for(var i = 0 ; i < 6 ; i++)

 {

  disArray[i] = checkDistance();

  DisTotal += disArray[i];

 }

 

 

  var AvrDistance = Math.ceil(DisTotal / 6);

 

 

  setInterval(function() {

   var Msg = checkDistance();

   var Time = getTime();

   console.log('DISTANCE = '.yellow + Msg + ' Cm'.yellow + '  ' + Time);

   var AvrDistanceDiv = AvrDistance / 6;

 

   if(Msg <= (AvrDistance - AvrDistanceDiv) )

   {

     var nowDistance = new Array();

     var inTotal = 0;

     var outTotal = 0;

     var i = 0;

 

    while(true)

   {

       nowDistance[i] = checkDistance();

       i++;

       if(checkDistance() >= AvrDistance)

       {

         break;

       }

   }

 

 

     for(var i = 0; i < nowDistance.length-1 ; i++)

     {

       if(nowDistance[i] < nowDistance[i+1])

       {

             inTotal++;

       }

       else

       {

             outTotal++;

       }

     }

 

     if(inTotal > outTotal)

     {

 

 

        TransPost('Out',Time);

        console.log('Out Trans'.red);

        sleep(3000);

 

     }

     else if(outTotal > inTotal)

     {

        TransPost('In', Time);

        console.log('In Trans'.green);

        sleep(3000);

     }

   }

  },100);

}

 

 StartDistance();

 

}