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// <chrono> -*- C++ -*- |
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// Copyright (C) 2008-2015 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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|
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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|
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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|
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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#pragma once |
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#include <chrono> |
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#include <limits> |
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#include <ratio> |
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#include <type_traits> |
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using std::common_type; |
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using std::enable_if; |
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using std::is_convertible; |
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using std::ratio; |
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using std::ratio_divide; |
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namespace TeensyTimerTool |
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{ |
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template <typename _Rep, typename _Period = ratio<1>> |
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struct frequency; |
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template <typename _CT, typename _Period1, typename _Period2> |
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struct __frequency_common_type_wrapper |
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{ |
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private: |
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typedef std::__static_gcd<_Period1::num, _Period2::num> __gcd_num; |
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typedef std::__static_gcd<_Period1::den, _Period2::den> __gcd_den; |
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typedef typename _CT::type __cr; |
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typedef ratio<__gcd_num::value, |
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(_Period1::den / __gcd_den::value) * _Period2::den> |
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__r; |
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public: |
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typedef std::__success_type<TeensyTimerTool::frequency<__cr, __r>> type; |
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}; |
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template <typename _Period1, typename _Period2> |
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struct __frequency_common_type_wrapper<std::__failure_type, _Period1, _Period2> |
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{ |
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typedef std::__failure_type type; |
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}; |
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} |
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namespace std |
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{ |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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struct common_type<TeensyTimerTool::frequency<_Rep1, _Period1>, TeensyTimerTool::frequency<_Rep2, _Period2>> |
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: public TeensyTimerTool::__frequency_common_type_wrapper<typename __member_type_wrapper<std::common_type<_Rep1, _Rep2>>::type, _Period1, _Period2>::type |
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{ |
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}; |
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} |
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namespace TeensyTimerTool |
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{ |
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using namespace std::chrono; |
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// Primary template for frequency_cast impl. |
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template <typename _ToDur, typename _CF, typename _CR, |
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bool _NumIsOne = false, bool _DenIsOne = false> |
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struct __frequency_cast_impl |
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{ |
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template <typename _Rep, typename _Period> |
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static constexpr _ToDur |
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__cast(const frequency<_Rep, _Period>& __d) |
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{ |
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typedef typename _ToDur::rep __to_rep; |
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return _ToDur(static_cast<__to_rep>(static_cast<_CR>(__d.count()) * static_cast<_CR>(_CF::num) / static_cast<_CR>(_CF::den))); |
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} |
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}; |
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template <typename _ToDur, typename _CF, typename _CR> |
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struct __frequency_cast_impl<_ToDur, _CF, _CR, true, true> |
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{ |
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template <typename _Rep, typename _Period> |
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static constexpr _ToDur |
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__cast(const frequency<_Rep, _Period>& __d) |
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{ |
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typedef typename _ToDur::rep __to_rep; |
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return _ToDur(static_cast<__to_rep>(__d.count())); |
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} |
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}; |
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template <typename _ToDur, typename _CF, typename _CR> |
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struct __frequency_cast_impl<_ToDur, _CF, _CR, true, false> |
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{ |
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template <typename _Rep, typename _Period> |
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static constexpr _ToDur |
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__cast(const frequency<_Rep, _Period>& __d) |
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{ |
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typedef typename _ToDur::rep __to_rep; |
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return _ToDur(static_cast<__to_rep>( |
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static_cast<_CR>(__d.count()) / static_cast<_CR>(_CF::den))); |
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} |
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}; |
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template <typename _ToDur, typename _CF, typename _CR> |
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struct __frequency_cast_impl<_ToDur, _CF, _CR, false, true> |
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{ |
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template <typename _Rep, typename _Period> |
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static constexpr _ToDur |
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__cast(const frequency<_Rep, _Period>& __d) |
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{ |
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typedef typename _ToDur::rep __to_rep; |
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return _ToDur(static_cast<__to_rep>( |
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static_cast<_CR>(__d.count()) * static_cast<_CR>(_CF::num))); |
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} |
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}; |
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template <typename _Tp> |
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struct __is_frequency |
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: std::false_type |
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{ |
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}; |
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template <typename _Rep, typename _Period> |
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struct __is_frequency<frequency<_Rep, _Period>> |
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: std::true_type |
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{ |
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}; |
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/// duration_cast |
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template <typename _ToDur, typename _Rep, typename _Period> |
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constexpr typename enable_if<__is_frequency<_ToDur>::value, _ToDur>::type duration_cast(const frequency<_Rep, _Period>& __d) |
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{ |
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typedef typename _ToDur::period __to_period; |
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typedef typename _ToDur::rep __to_rep; |
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typedef ratio_divide<_Period, __to_period> __cf; |
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typedef typename common_type<__to_rep, _Rep, intmax_t>::type __cr; |
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typedef __frequency_cast_impl<_ToDur, __cf, __cr, __cf::num == 1, __cf::den == 1> __dc; |
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return __dc::__cast(__d); |
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} |
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/// frequency |
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template <typename _Rep, typename _Period> |
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struct frequency |
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{ |
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typedef _Rep rep; |
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typedef _Period period; |
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static_assert(!__is_frequency<_Rep>::value, "rep cannot be a frequency"); |
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static_assert(std::chrono::__is_ratio<_Period>::value, "period must be a specialization of ratio"); |
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static_assert(_Period::num > 0, "period must be positive"); |
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// 20.11.5.1 construction / copy / destroy |
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constexpr frequency() = default; |
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// NB: Make constexpr implicit. This cannot be explicitly |
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// constexpr, as any UDT that is not a literal type with a |
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// constexpr copy constructor will be ill-formed. |
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frequency(const frequency&) = default; |
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template <typename _Rep2, typename = typename enable_if<is_convertible<_Rep2, rep>::value && (std::chrono::treat_as_floating_point<rep>::value || !std::chrono::treat_as_floating_point<_Rep2>::value)>::type> |
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constexpr explicit frequency(const _Rep2& __rep) |
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: __r(static_cast<rep>(__rep)) |
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{ |
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} |
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template <typename _Rep2, typename _Period2, typename = typename enable_if<treat_as_floating_point<rep>::value || (ratio_divide<_Period2, period>::den == 1 && !treat_as_floating_point<_Rep2>::value)>::type> |
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constexpr frequency(const frequency<_Rep2, _Period2>& __d) |
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: __r(duration_cast<frequency>(__d).count()) {} |
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~frequency() = default; |
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frequency& operator=(const frequency&) = default; |
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// 20.11.5.2 observer |
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constexpr rep count() const { return __r; } |
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constexpr frequency operator+() const { return *this; } |
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constexpr frequency operator-() const { return frequency(-__r); } |
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frequency& operator++() |
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{ |
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++__r; |
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return *this; |
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} |
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frequency operator++(int) |
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{ |
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return frequency(__r++); |
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} |
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frequency& operator--() |
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{ |
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--__r; |
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return *this; |
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} |
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frequency |
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operator--(int) |
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{ |
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return frequency(__r--); |
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} |
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frequency& |
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operator+=(const frequency& __d) |
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{ |
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__r += __d.count(); |
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return *this; |
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} |
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frequency& |
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operator-=(const frequency& __d) |
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{ |
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__r -= __d.count(); |
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return *this; |
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} |
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frequency& |
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operator*=(const rep& __rhs) |
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{ |
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__r *= __rhs; |
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return *this; |
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} |
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frequency& |
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operator/=(const rep& __rhs) |
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{ |
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__r /= __rhs; |
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return *this; |
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} |
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// DR 934. |
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template <typename _Rep2 = rep> |
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typename enable_if<!treat_as_floating_point<_Rep2>::value, |
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frequency&>::type |
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operator%=(const rep& __rhs) |
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{ |
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__r %= __rhs; |
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return *this; |
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} |
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template <typename _Rep2 = rep> |
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typename enable_if<!treat_as_floating_point<_Rep2>::value, |
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frequency&>::type |
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operator%=(const frequency& __d) |
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{ |
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__r %= __d.count(); |
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return *this; |
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} |
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// 20.11.5.4 special values |
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static constexpr frequency |
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zero() |
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{ |
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return frequency(duration_values<rep>::zero()); |
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} |
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static constexpr frequency |
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min() |
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{ |
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return frequency(duration_values<rep>::min()); |
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} |
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static constexpr frequency |
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max() |
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{ |
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return frequency(duration_values<rep>::max()); |
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} |
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private: |
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rep __r; |
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}; |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr typename common_type<frequency<_Rep1, _Period1>, frequency<_Rep2, _Period2>>::type operator+(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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typedef frequency<_Rep1, _Period1> __dur1; |
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typedef frequency<_Rep2, _Period2> __dur2; |
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typedef typename common_type<__dur1, __dur2>::type __cd; |
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return __cd(__cd(__lhs).count() + __cd(__rhs).count()); |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr typename common_type<frequency<_Rep1, _Period1>, frequency<_Rep2, _Period2>>::type operator-(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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typedef frequency<_Rep1, _Period1> __dur1; |
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typedef frequency<_Rep2, _Period2> __dur2; |
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typedef typename common_type<__dur1, __dur2>::type __cd; |
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return __cd(__cd(__lhs).count() - __cd(__rhs).count()); |
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} |
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template <typename _Rep1, typename _Period, typename _Rep2> |
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constexpr frequency<typename __common_rep_type<_Rep1, _Rep2>::type, _Period> operator*(const frequency<_Rep1, _Period>& __d, const _Rep2& __s) |
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{ |
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typedef frequency<typename common_type<_Rep1, _Rep2>::type, _Period> __cd; |
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return __cd(__cd(__d).count() * __s); |
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} |
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template <typename _Rep1, typename _Rep2, typename _Period> |
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constexpr frequency<typename __common_rep_type<_Rep2, _Rep1>::type, _Period> operator*(const _Rep1& __s, const frequency<_Rep2, _Period>& __d) |
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{ |
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return __d * __s; |
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} |
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template <typename _Rep1, typename _Period, typename _Rep2> |
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constexpr frequency<typename __common_rep_type<_Rep1, typename enable_if<!__is_frequency<_Rep2>::value, _Rep2>::type>::type, _Period> operator/(const frequency<_Rep1, _Period>& __d, const _Rep2& __s) |
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{ |
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typedef frequency<typename common_type<_Rep1, _Rep2>::type, _Period> __cd; |
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return __cd(__cd(__d).count() / __s); |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr typename common_type<_Rep1, _Rep2>::type operator/(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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typedef frequency<_Rep1, _Period1> __dur1; |
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typedef frequency<_Rep2, _Period2> __dur2; |
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typedef typename common_type<__dur1, __dur2>::type __cd; |
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return __cd(__lhs).count() / __cd(__rhs).count(); |
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} |
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// DR 934. |
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template <typename _Rep1, typename _Period, typename _Rep2> |
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constexpr frequency<typename __common_rep_type<_Rep1, typename enable_if<!__is_frequency<_Rep2>::value, _Rep2>::type>::type, _Period> operator%(const frequency<_Rep1, _Period>& __d, const _Rep2& __s) |
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{ |
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typedef frequency<typename common_type<_Rep1, _Rep2>::type, _Period> __cd; |
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return __cd(__cd(__d).count() % __s); |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr typename common_type<frequency<_Rep1, _Period1>, frequency<_Rep2, _Period2>>::type operator%(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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typedef frequency<_Rep1, _Period1> __dur1; |
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typedef frequency<_Rep2, _Period2> __dur2; |
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typedef typename common_type<__dur1, __dur2>::type __cd; |
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return __cd(__cd(__lhs).count() % __cd(__rhs).count()); |
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} |
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// comparisons |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr bool operator==(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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typedef frequency<_Rep1, _Period1> __dur1; |
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typedef frequency<_Rep2, _Period2> __dur2; |
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typedef typename common_type<__dur1, __dur2>::type __ct; |
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return __ct(__lhs).count() == __ct(__rhs).count(); |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr bool operator<(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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typedef frequency<_Rep1, _Period1> __dur1; |
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typedef frequency<_Rep2, _Period2> __dur2; |
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typedef typename common_type<__dur1, __dur2>::type __ct; |
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return __ct(__lhs).count() < __ct(__rhs).count(); |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr bool operator!=(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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return !(__lhs == __rhs); |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr bool operator<=(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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return !(__rhs < __lhs); |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr bool operator>(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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return __rhs < __lhs; |
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} |
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template <typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> |
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constexpr bool operator>=(const frequency<_Rep1, _Period1>& __lhs, const frequency<_Rep2, _Period2>& __rhs) |
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{ |
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return !(__lhs < __rhs); |
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} |
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using hertz = frequency<float>; |
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using kilohertz = frequency<float, std::kilo>; |
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using megahertz = frequency<float, std::mega>; |
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using gigahertz = frequency<float, std::giga>; |
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constexpr hertz operator""_Hz(long double hz) { return hertz{hz}; } |
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constexpr hertz operator""_Hz(uint64_t hz) { return hertz{hz}; } |
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constexpr kilohertz operator""_kHz(long double kHz) { return kilohertz{kHz}; } |
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constexpr kilohertz operator""_kHz(uint64_t kHz) { return kilohertz{kHz}; } |
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constexpr megahertz operator""_MHz(long double MHz) { return megahertz{MHz}; } |
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constexpr megahertz operator""_MHz(uint64_t MHz) { return megahertz{MHz}; } |
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constexpr gigahertz operator""_GHz(long double GHz) { return gigahertz{GHz}; } |
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constexpr gigahertz operator""_GHz(uint64_t GHz) { return gigahertz{GHz}; } |
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} |
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@ -0,0 +1,17 @@ |
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#include "Arduino.h" |
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// General =============================================================================================
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//#include "../lib/TeensyTimerTool/examples/01_Basic/HelloPeriodic/HelloPeriodic.ino"
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//#include "../lib/TeensyTimerTool/examples/01_Basic/HelloOneShot/HelloOneShot.ino"
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//#include "../lib/TeensyTimerTool/examples/01_Basic/UsingChronoDurations1/UsingChronoDurations1.ino"
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//#include "../lib/TeensyTimerTool/examples/01_Basic/UsingChronoDurations2/UsingChronoDurations2.ino"
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//#include "../lib/TeensyTimerTool/examples/02_Advanced/CallbackWithParams/CallbackWithParams.ino"
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//#include "../lib/TeensyTimerTool/examples/02_Advanced/UsingLambdas/UsingLambdas.ino"
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//T3.x ================================================================================================
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//#include "../lib/TeensyTimerTool/examples/03_Applications/DoubleExposure/DoubleExposure.ino"
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//T4.x ================================================================================================
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//#include "../lib/TeensyTimerTool/examples/01_Basic/MoreTimers/MoreTimers.ino"
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//#include "../lib/TeensyTimerTool/examples/01_Basic/RTC_Timer/RTC_Timer.ino"
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//#include "../lib/TeensyTimerTool/examples/99_Misc/PinInformation/PinInformation.ino"
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Reference in new issue