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/**
* \file
* \brief TickClock class header
*
* \author Copyright (C) 2014-2016 Kamil Szczygiel http://www.distortec.com http://www.freddiechopin.info
*
* \par License
* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not
* distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDE_DISTORTOS_TICKCLOCK_HPP_
#define INCLUDE_DISTORTOS_TICKCLOCK_HPP_
#include "distortos/distortosConfiguration.h"
#include <chrono>
namespace distortos
{
/**
* \brief TickClock is a std::chrono clock, equivalent of std::chrono::steady_clock
*
* \ingroup clocks
*/
class TickClock
{
public:
/// type of tick counter
using rep = uint64_t;
/// std::ratio type representing the tick period of the clock, in seconds
using period = std::ratio<1, CONFIG_TICK_FREQUENCY>;
/// basic duration type of clock
using duration = std::chrono::duration<rep, period>;
/// basic time_point type of clock
using time_point = std::chrono::time_point<TickClock>;
/**
* \return time_point representing the current value of the clock
*/
static time_point now();
/// this is a steady clock - it cannot be adjusted
static constexpr bool is_steady {true};
};
} // namespace distortos
#endif // INCLUDE_DISTORTOS_TICKCLOCK_HPP_
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