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FrequencyTask.h
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FrequencyTask.h
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/**
* File: FrequencyTask.h
* Description:
* SoftTimer library is a lightweight but effective event based timeshare solution for Arduino.
*
* Author: Balazs Kelemen
* Contact: [email protected]
* Copyright: 2012 Balazs Kelemen
* 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:https://www.gnu.org/licenses/>.
*/
#ifndef FREQUENCYTASK_H
#define FREQUENCYTASK_H
#include "Task.h"
#include "DelayRun.h"
#include "Arduino.h"
class FrequencyTask : public Task
{
public:
/**
* Initialize a frequency genearator on the pin with the given inital frequency value.
* Note, that you have to register the task to the timer managare to let it run.
* outPin - The digital pin of the output.
* freq - Initial frequency.
*/
FrequencyTask(int outPin, float freq);
/**
* Adjust the frequency.
*/
void setFrequency(float freq);
private:
boolean _stateOn;
uint8_t _bitMask;
volatile uint8_t *_portRegister;
static void step(Task* me);
};
#endif