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Ticker.cpp
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Ticker.cpp
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/*
Ticker.cpp - esp8266 library that calls functions periodically
Copyright (c) 2014 Ivan Grokhotkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stddef.h>
#include <stdint.h>
#include "c_types.h"
#include "eagle_soc.h"
#include "ets_sys.h"
#include "osapi.h"
static const int ONCE = 0;
static const int REPEAT = 1;
#include "Ticker.h"
Ticker::Ticker()
: _timer(nullptr)
{
}
Ticker::~Ticker()
{
detach();
}
void Ticker::_attach_ms(uint32_t milliseconds, bool repeat, callback_with_arg_t callback, uint32_t arg)
{
if (_timer)
{
os_timer_disarm(_timer);
}
else
{
_timer = new ETSTimer;
}
os_timer_setfn(_timer, reinterpret_cast<ETSTimerFunc*>(callback), reinterpret_cast<void*>(arg));
os_timer_arm(_timer, milliseconds, (repeat)?REPEAT:ONCE);
}
void Ticker::detach()
{
if (!_timer)
return;
os_timer_disarm(_timer);
delete _timer;
_timer = nullptr;
_callback_function = nullptr;
}
bool Ticker::active()
{
return (bool)_timer;
}
void Ticker::_static_callback(void* arg)
{
Ticker* _this = (Ticker*)arg;
if (_this == nullptr)
{
return;
}
if (_this->_callback_function)
{
_this->_callback_function();
}
}