TollGate.ino

/* Sweep
 by BARRAGAN <http://barraganstudio.com>
 This example code is in the public domain.
 modified 8 Nov 2013
 by Scott Fitzgerald
 http://www.arduino.cc/en/Tutorial/Sweep
*/


#include "SR04.h"
#include "pitches.h"
#include "IRremote.h"
#include <Servo.h>

#define TRIG_PIN 12
#define ECHO_PIN 11

int receiver = 6; // Signal Pin of IR receiver to Arduino Digital Pin 6
SR04 sr04 = SR04(ECHO_PIN,TRIG_PIN);
long a;
int buzzer = 7;//the pin of the passive buzzer



Servo myservo;  // create servo object to control a servo
// twelve servo objects can be created on most boards
/*-----( Declare objects )-----*/
IRrecv irrecv(receiver);     // create instance of 'irrecv'
decode_results results;      // create instance of 'decode_results'


int pos = 0;    // variable to store the servo position

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  Serial.begin(9600);
  pinMode(buzzer,OUTPUT);//initialize the buzzer pin as an output
  irrecv.enableIRIn(); // Start the receiver
}


void loop() {
   a=sr04.Distance();
//   Serial.print(a);
//   Serial.println("cm");

  if (irrecv.decode(&results)) // have we received an IR signal?
  {
    translateIR(); 
    irrecv.resume(); // receive the next value
  }  


   if(a < 30) {
      digitalWrite(buzzer, HIGH);
      delay(1000);
      digitalWrite(buzzer,LOW);   
   }
   
}


void translateIR() { // takes action based on IR code received
  switch(results.value) {
  case 0xFFE01F: //DOWN  
    Serial.println(" DOWN  ");
    for (pos = 25; pos <= 135; pos += 1) { // goes from 0 degrees to 180 degrees in steps of 1 degree
      myservo.write(pos);              // tell servo to go to position in variable 'pos'
      delay(15);                       // waits 15ms for the servo to reach the position
    }  
    
  break;
  case 0xFF906F: //UP 
      Serial.println(" UP  ");
    for (pos = 135; pos >= 25; pos -= 1) { // goes from 180 degrees to 0 degrees
      myservo.write(pos);              // tell servo to go to position in variable 'pos'
      delay(15);                       // waits 15ms for the servo to reach the position
    }           
  
  break; 
  default: 
    Serial.println(" other button   ");

  }// End Case

}