/* Turn.h - Read a Phase Quadrature Rotary Shaft Encoder, debounce, interrupt driven
Turn 0.0 Arduino header
Copyright (c) 2011 Devon Sean McCullough
Licensed under the GPL (GNU Public License)
*/
#ifndef Turn_h
#define Turn_h

#include "WProgram.h"

/*
Turn(intA, intB, pinA, pinB)	// initialize

begin(pinPress)	// initialize knob press input pin

reset()		// set counter to zero
reset(count)	// set counter to count

= count()	// return counter as integer

sleep()  	// sleep until counter changes
*/

class Turn {
public:
  Turn(uint8_t, uint8_t, uint8_t, uint8_t);
  void begin(uint8_t);
  void reset();
  void reset(int count);
  int count();
  void sleep();

private:
  int _counter;
  uint8_t _backward;
};

#endif