#ifndef Twist_h
 #define Twist_h
 
 #include "Arduino.h"
 #include <Servo.h>
 
 class Twist
 {
   const int servoPin = 9; // servo pin 
   Servo servo;              // the servo
   int directionState = 1; //direction state of 1 = closed, direction state of 0 = open
   int pos = 90;  // variable to store the servo position
   int increment;        // increment to move for each interval
   int  updateInterval;      // interval between updates
   unsigned long lastUpdate; // last update of position

   
unsigned long previousMillisAutoOpen = 0;        // will store last time LCD was updated
unsigned long currentMillisAutoOpen;
const unsigned long intervalAutoOpen = 24UL*60UL*60UL*100UL;   // Check whether blinds were opened every 24 
const unsigned long waitAutoOpen = 2UL*60UL*60UL*100UL;  //2 hr wait for auto open
  
  const int buttonPin = 8; // pushbutton pin
  byte buttonPushCounter = 0;   // counter for the number of button 
  byte lastPushCount = 0;
  int buttonState = 0;
  int lastButtonState = 0;

  const int ldrPin = 6;  // light dependent resistor pin
 int ldrState = 0; // local variable to hold ldr states
  
 public: 
  
  Twist(int interval);
  void Attach(int pin);
  void Detach();
  void Update();
  void AutoOpen();
 };

 #endif