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Timer.cpp
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Timer.cpp
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/**
* File: Timer.cpp
* Description:
* SoftTimer library is a lightweight but effective event based timeshare solution for Arduino.
*
* Author: Roman Savrulin <[email protected]>, Balazs Kelemen <[email protected]>
* Copyright: 2014 Roman Savrulin
* Copying permission statement:
This file is part of SoftTimer.
SoftTimer 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "Timer.h"
#include <Arduino.h>
Timer::Timer(unsigned long delayMs, Timer* nextTask)
: Task(delayMs, &(Timer::step)) {
this->_nextTimer = _nextTimer;
this->_state = STATE_STOPPED;
}
void Timer::start() {
_state = STATE_RUNNING;
SoftTimer.add(this, false);
}
void Timer::stop(bool launchTask){
if(launchTask)
step(this);
// anyway do the following sequence
this->_state = STATE_STOPPED;
SoftTimer.remove(this);
}
/*static */ void Timer::step(Task* task) {
Timer* dr = (Timer*)task;
if(dr->_state == STATE_RUNNING) {
// -- Remove me from Timer Manager.
SoftTimer.remove(dr);
dr->_state = STATE_STOPPED;
boolean retVal = (*dr)();
if(retVal) {
if(dr->_nextTimer != NULL) {
dr->_nextTimer->start();
}
}
}else
SoftTimer.remove(dr);
}