/*

 * Keypad event loop functionality.

 *

 * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License as

 * published by the Free Software Foundation; either version 2 of

 * the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA  02110-1301, USA

 */

#pragma once

#ifdef __cplusplus

#include <l4/devices/event-loop.h>

#include <l4/util/util.h>

/* Keypad event loop abstraction. */

class Keypad_event_loop : public Event_handler_loop<void>

{

public:

  /* Initialise the event loop with a thread priority. */

  explicit Keypad_event_loop(int priority=0x20)

  : Event_handler_loop(priority)

  {

  }

  /* Event handler method. */

  virtual void handle()

  {

    _handler();

    l4_sleep(20); /* 20ms -> 50Hz */

  }

};

#endif