/* Arduino Stair Poject
 * With Infred Sensor And LED Lights On Either Sides Of The Stairs
 *
 *
 * Basic operation consists of motion being detected on either
 * the top step, or the bottom step and then starting a sequence of operation
 * with LEDs
 *
 */

int ledPin1 = 2;              // Pwm Pin 2
int ledPin2 = 3;              // Pwm Pin 3
int ledPin3 = 4;              // Pwm Pin 4
int ledPin4 = 5;              // Pwm Pin 5
int ledPin5 = 6;              // Pwm Pin 6
int ledPin6 = 22;             // Digital Pin 22 (i ran out of analog pins)
int ledPin7 = 7;              // Pwm Pin 7
int ledPin8 = 8;              // Pwm Pin 8
int ledPin9 = 9;              // Pwm Pin 9
int ledPin10 = 10;            // Pwm Pin 10
int ledPin11 = 11;            // Pwm Pin 11
int ledPin12 = 12;            // Pwm Pin 12
int ledPin13 = 13;            // Pwm Pin 13
int inputPin1 = 24;           // Infrared Sensor Top Stair 1
int inputPin2 = 26;           // Infrared Sensor Top Stair 2
int inputPin3 = 28;           // Infrared Sensor Bottom Stair 1
int inputPin4 = 30;           // Infrared Sensor Bottom Stair 2
int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}; // i saw this on a stair lighting sketch but every time i use it, it doesn't work



void setup(){
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, OUTPUT);
  pinMode(ledPin5, OUTPUT);
  pinMode(ledPin6, OUTPUT);
  pinMode(ledPin7, OUTPUT);
  pinMode(ledPin8, OUTPUT);
  pinMode(ledPin9, OUTPUT);
  pinMode(ledPin10, OUTPUT);
  pinMode(ledPin11, OUTPUT);
  pinMode(ledPin12, OUTPUT);
  pinMode(ledPin13, OUTPUT);
  pinMode(inputPin1, INPUT);
  pinMode(inputPin2, INPUT);
  pinMode(inputPin3, INPUT);
  pinMode(inputPin4, INPUT);
}

void loop()
{
  int val1 = digitalRead(inputPin1);
  int val2 = digitalRead(inputPin2);
  if (val1 == HIGH) {
    for(int fadeValue = 0 ; fadeValue <= 255; fadeValue +=5){
      analogWrite(ledPin1, fadeValue);
      delay(40);
    }
    for(int fadeValue = 0 ; fadeValue >= 255; fadeValue -=5){
      analogWrite(ledPin1, fadeValue);
      delay(100);
    }
  }
}