/*
 * Buttons.h
 *
 *  Created on: 29 May 2020
 *      Author: Ralim
 */
#include "BSP.h"
#ifndef INC_BUTTONS_H_
#define INC_BUTTONS_H_

extern uint32_t lastButtonTime;

enum ButtonState {
  BUTTON_NONE      = 0,  /* No buttons pressed / < filter time*/
  BUTTON_F_SHORT   = 1,  /* User has pressed the front button*/
  BUTTON_B_SHORT   = 2,  /* User has pressed the back  button*/
  BUTTON_F_LONG    = 4,  /* User is  holding the front button*/
  BUTTON_B_LONG    = 8,  /* User is  holding the back button*/
  BUTTON_BOTH      = 16, /* User has pressed both buttons*/
  BUTTON_BOTH_LONG = 32, /* User is holding both buttons*/

  /*
   * Note:
   * Pressed means press + release, we trigger on a full \__/ pulse
   * holding means it has gone low, and been low for longer than filter time
   */
};

// Returns what buttons are pressed (if any)
ButtonState getButtonState();
// Helpers
void waitForButtonPressOrTimeout(uint32_t timeout);
void waitForButtonPress();

#endif /* INC_BUTTONS_H_ */