/*
  IR Receiver Demonstration 3
  IR-Rcv-Demo3.ino
  Control LED's using Unused IR Remote keys
 
  DroneBot Workshop 2017
  http://dronebotworkshop.com
*/
 
// Include IR Remote Library by Ken Shirriff
#include <IRremote.h>
 
// Define sensor pin
const int RECV_PIN = 4;
 
// Define LED pin constants
const int redPin = 8; 
const int yellowPin = 7;
 
// Define integer to remember toggle state
int togglestate = 0;
 
// Define IR Receiver and Results Objects
IRrecv irrecv(RECV_PIN);
decode_results results;
 
 
void setup(){
  // Enable the IR Receiver
  irrecv.enableIRIn();
  // Set LED pins as Outputs
  pinMode(redPin, OUTPUT);
  pinMode(yellowPin, OUTPUT);
}
 
 
void loop(){
    if (irrecv.decode(&results)){
 
        switch(results.value){
          case 0xFECA35: //Red Keypad Button
        // Turn on LED for 2 Seconds
        digitalWrite(redPin, HIGH);
        delay(2000);
        digitalWrite(redPin, LOW);
        break;
   
          case 0xFE8A75: //Yellow Keypad Button
        // Toggle LED On or Off
        if(togglestate==0){
        digitalWrite(yellowPin, HIGH);
        togglestate=1;
        }
        else {
        digitalWrite(yellowPin, LOW);
        togglestate=0;
        }
        break;
        
    }
    irrecv.resume(); 
  }
 
}