/*

  Copyright © 2016 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot 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.

  serialplot 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 serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "demoreader.h"

DemoReader::DemoReader(QIODevice* device, ChannelManager* channelMan, QObject *parent) :

    AbstractReader(device, channelMan, parent)

{

    paused = false;

    _numOfChannels = 1;

    count = 0;

    timer.setInterval(100);

    QObject::connect(&timer, &QTimer::timeout,

                     this, &DemoReader::demoTimerTimeout);

}

QWidget* DemoReader::settingsWidget()

{

    return NULL;

}

void DemoReader::enable(bool enabled)

{

    if (enabled)

    {

        timer.start();

    }

    else

    {

        timer.stop();

    }

}

unsigned DemoReader::numOfChannels()

{

    return _numOfChannels;

}

void DemoReader::setNumOfChannels(unsigned value)

{

    _numOfChannels = value;

}

void DemoReader::pause(bool enabled)

{

    paused = enabled;

}

void DemoReader::demoTimerTimeout()

{

    const double period = 100;

    count++;

    if (count >= 100) count = 0;

    if (!paused)

    {

        for (unsigned ci = 0; ci < _numOfChannels; ci++)

        {

            // we are calculating the fourier components of square wave

            double value = 4*sin(2*M_PI*double((ci+1)*count)/period)/((2*(ci+1))*M_PI);

            _channelMan->addChannelData(ci, &value, 1);

            sampleCount++;

        }

        emit dataAdded();

    }

}