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79101213a5
* Use placement new for ETSTimer - no heap fragmentation, new/delete semantics unchanged. * Make change completely invisible to derived classes at compile-time. * Fix "sizeof() incomplete type ETSTimer" error. * C++ reinterpret_cast<> instead of C-style cast. void* instead of uint32_t - fixes x86_64 server compiles. * Simplify casts. * Revert to complete placement new treatment of ETSTimer member. * Cleanup includes * Fix omitted casts * Change per review https://github.com/esp8266/Arduino/pull/6164#pullrequestreview-243583458 * wtf - local compile didn't catch this sloppy mistake * Resolves review https://github.com/esp8266/Arduino/pull/6164#discussion_r290388119 * Reviewer stated that floating point operations are inlined, software operations - reduce number of code spots to one.
85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
/*
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Ticker.cpp - esp8266 library that calls functions periodically
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Copyright (c) 2014 Ivan Grokhotkov. All rights reserved.
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This file is part of the esp8266 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "c_types.h"
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#include "eagle_soc.h"
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#include "osapi.h"
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#include "Ticker.h"
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namespace
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{
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constexpr int ONCE = 0;
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constexpr int REPEAT = 1;
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}
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Ticker::Ticker()
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: _timer(nullptr)
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{
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}
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Ticker::~Ticker()
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{
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detach();
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}
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void Ticker::_attach_s(float seconds, bool repeat, callback_with_arg_t callback, void* arg)
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{
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_attach_ms(1000 * seconds, repeat, callback, arg);
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}
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void Ticker::_attach_ms(uint32_t milliseconds, bool repeat, callback_with_arg_t callback, void* arg)
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{
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if (_timer)
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{
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os_timer_disarm(_timer);
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}
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else
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{
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_timer = &_etsTimer;
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}
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os_timer_setfn(_timer, callback, arg);
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os_timer_arm(_timer, milliseconds, (repeat) ? REPEAT : ONCE);
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}
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void Ticker::detach()
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{
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if (!_timer)
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return;
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os_timer_disarm(_timer);
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_timer = nullptr;
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_callback_function = nullptr;
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}
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bool Ticker::active() const
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{
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return _timer;
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}
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void Ticker::_static_callback(void* arg)
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{
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Ticker* _this = reinterpret_cast<Ticker*>(arg);
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if (_this && _this->_callback_function)
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_this->_callback_function();
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}
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