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 "mainwindow.h"

#include "ui_mainwindow.h"

#include <QByteArray>

#include <QApplication>

#include <QFileDialog>

#include <QFile>

#include <QTextStream>

#include <QtDebug>

#include <QtEndian>

#include <qwt_plot.h>

#include <limits.h>

#include <cmath>

#include <iostream>

#include <snapshotview.h>

#include "utils.h"

#include "version.h"

#include "floatswap.h"

#if defined(Q_OS_WIN) && defined(QT_STATIC)

#include <QtPlugin>

Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)

#endif

struct Range

{

    double rmin;

    double rmax;

};

Q_DECLARE_METATYPE(Range);

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent),

    ui(new Ui::MainWindow),

    portControl(&serialPort)

{

    ui->setupUi(this);

                     this, SLOT(onNumberFormatButtonToggled(int, bool)));

    // init port signals

    QObject::connect(&(this->serialPort), SIGNAL(error(QSerialPort::SerialPortError)),

                     this, SLOT(onPortError(QSerialPort::SerialPortError)));

    // set limits for axis limit boxes

    ui->spYmin->setRange((-1) * std::numeric_limits<double>::max(),

                         std::numeric_limits<double>::max());

    ui->spYmax->setRange((-1) * std::numeric_limits<double>::max(),

                         std::numeric_limits<double>::max());

    // init data arrays and plot

    numOfSamples = ui->spNumOfSamples->value();

    numOfChannels = ui->spNumOfChannels->value();

    // init channel data and curve list

    for (unsigned int i = 0; i < numOfChannels; i++)

    {

        channelBuffers.append(new FrameBuffer(numOfSamples));

        curves.append(new QwtPlotCurve());

        curves[i]->setSamples(channelBuffers[i]);

        curves[i]->attach(ui->plot);

    }

    // init auto scale

    ui->plot->setAxis(ui->cbAutoScale->isChecked(),

                      ui->spYmin->value(), ui->spYmax->value());

    // init grid

    ui->plot->showGrid(ui->actionGrid->isChecked());

    ui->plot->showMinorGrid(ui->actionMinorGrid->isChecked());

    // init scale range preset list

    for (int nbits = 8; nbits <= 24; nbits++) // signed binary formats

    {

        int rmax = pow(2, nbits-1)-1;

        int rmin = -rmax-1;

        Range r = {double(rmin),  double(rmax)};

        ui->cbRangePresets->addItem(

            QString().sprintf("Signed %d bits %d to +%d", nbits, rmin, rmax),

            QVariant::fromValue(r));

    }

    for (int nbits = 8; nbits <= 24; nbits++) // unsigned binary formats

    {

        int rmax = pow(2, nbits)-1;

{

    numOfSamples = value;

    for (unsigned int ci = 0; ci < numOfChannels; ci++)

    {

        channelBuffers[ci]->resize(numOfSamples);

    }

    ui->plot->replot();

}

void MainWindow::onNumOfChannelsChanged(int value)

{

    unsigned int oldNum = this->numOfChannels;

    this->numOfChannels = value;

    if (numOfChannels > oldNum)

    {

        // add new channels

        for (unsigned int i = 0; i < numOfChannels - oldNum; i++)

        {

            channelBuffers.append(new FrameBuffer(numOfSamples));

            curves.append(new QwtPlotCurve());

            curves.last()->setSamples(channelBuffers.last());

            curves.last()->attach(ui->plot);

        }

    }

    else if(numOfChannels < oldNum)

    {

        // remove channels

        for (unsigned int i = 0; i < oldNum - numOfChannels; i++)

        {

            // also deletes owned FrameBuffer

            delete curves.takeLast();

            channelBuffers.removeLast();

        }

    }

}

void MainWindow::onAutoScaleChecked(bool checked)

{

    if (checked)

    {

        ui->plot->setAxis(true);

        ui->lYmin->setEnabled(false);

        ui->lYmax->setEnabled(false);

        ui->spYmin->setEnabled(false);

        ui->spYmax->setEnabled(false);

{

    if (enabled)

    {

        if (!serialPort.isOpen())

        {

            demoTimer.start();

            ui->actionDemoMode->setChecked(true);

            demoIndicator.show();

            ui->plot->replot();

        }

        else

        {

            ui->actionDemoMode->setChecked(false);

        }

    }

    else

    {

        demoTimer.stop();

        ui->actionDemoMode->setChecked(false);

        demoIndicator.hide();

        ui->plot->replot();

    }

}

void MainWindow::onExportCsv()

{

    bool wasPaused = ui->actionPause->isChecked();

    ui->actionPause->setChecked(true); // pause plotting

    QString fileName = QFileDialog::getSaveFileName(this, tr("Export CSV File"));

    if (fileName.isNull())  // user canceled export

    {

        ui->actionPause->setChecked(wasPaused);

    }

    else

    {

        QFile file(fileName);

        if (file.open(QIODevice::WriteOnly | QIODevice::Text))

        {

            QTextStream fileStream(&file);

            for (unsigned int ci = 0; ci < numOfChannels; ci++)

            {

                fileStream << "Channel " << ci;

                if (ci != numOfChannels-1) fileStream << ",";

            }

            fileStream << '\n';

    NumberFormat numberFormat;

    unsigned int sampleSize; // number of bytes in the selected number format

    double (MainWindow::*readSample)();

    // note that serialPort should already have enough bytes present

    template<typename T> double readSampleAs();

    bool skipByteRequested;

    const int SPS_UPDATE_TIMEOUT = 1;  // second

    QLabel spsLabel;

    unsigned int sampleCount;

    QTimer spsTimer;

    // snapshots

    QList<SnapShot*> snapshots;

    // demo

    QTimer demoTimer;

    int demoCount;

    bool isDemoRunning();

    QwtPlotTextLabel demoIndicator;

private slots:

    void onPortToggled(bool open);

    void onDataReady();      // used with binary number formats

    void onDataReadyASCII(); // used with ASCII number format

    void onPortError(QSerialPort::SerialPortError error);

    void skipByte();

    void onNumOfSamplesChanged(int value);

    void onAutoScaleChecked(bool checked);

    void onYScaleChanged();

    void onRangeSelected();

    void onNumOfChannelsChanged(int value);

    void onNumberFormatButtonToggled(int numberFormatId, bool checked);

    void selectNumberFormat(NumberFormat numberFormatId);

    void clearPlot();

    void spsTimerTimeout();

    void takeSnapShot();

    void demoTimerTimeout();

{

    zoomer.zoom(0);

}

void Plot::darkBackground(bool enabled)

{

    if (enabled)

    {

        setCanvasBackground(QBrush(Qt::black));

        grid.setPen(Qt::darkGray);

        zoomer.setRubberBandPen(QPen(Qt::white));

        zoomer.setTrackerPen(QPen(Qt::white));

        sZoomer.setPickerPen(QPen(Qt::white));

    }

    else

    {

        setCanvasBackground(QBrush(Qt::white));

        grid.setPen(Qt::lightGray);

        zoomer.setRubberBandPen(QPen(Qt::black));

        zoomer.setTrackerPen(QPen(Qt::black));

        sZoomer.setPickerPen(QPen(Qt::black));

    }

    replot();

}

/*

  Copyright © 2015 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/>.

*/

#ifndef PLOT_H

#define PLOT_H

#include <qwt_plot.h>

#include <qwt_plot_grid.h>

#include <qwt_plot_shapeitem.h>

#include "zoomer.h"

#include "scalezoomer.h"

class Plot : public QwtPlot

{

    Q_OBJECT

public:

    Plot(QWidget* parent = 0);

    void setAxis(bool autoScaled, double yMin = 0, double yMax = 1);

private:

    bool isAutoScaled;

    double yMin, yMax;

    Zoomer zoomer;

    ScaleZoomer sZoomer;

    QwtPlotGrid grid;

    QwtPlotShapeItem rectItem;

    void resetAxes();

public slots:

    void showGrid(bool show = true);

    void showMinorGrid(bool show = true);

    void unzoom();

    void darkBackground(bool enabled = true);

private slots:

    void unzoomed();

};

#endif // PLOT_H

#include "snapshotview.h"

#include "ui_snapshotview.h"

SnapShotView::SnapShotView(QWidget *parent, SnapShot* snapShot) :

    QMainWindow(parent),

    ui(new Ui::SnapShotView)

{

    ui->setupUi(this);

    unsigned numOfChannels = snapShot->data.size();

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

    {

        QwtPlotCurve* curve = new QwtPlotCurve();

        curves.append(curve);

        curve->setSamples(snapShot->data[ci]);

        curve->attach(ui->plot);

    }

    _snapShot = snapShot;

}

SnapShotView::~SnapShotView()

{

    for (auto curve : curves)

    {

        delete curve;

    }

    delete ui;

}

#ifndef SNAPSHOTVIEW_H

#define SNAPSHOTVIEW_H

#include <QMainWindow>

#include <QVector>

#include <QPointF>

#include <qwt_plot_curve.h>

#include "plot.h"

class SnapShotView;

struct SnapShot

{

    QString name;

    QVector<QVector<QPointF>> data;

    SnapShotView* view;

};

namespace Ui {

class SnapShotView;

}

class SnapShotView : public QMainWindow

{

    Q_OBJECT

public:

    explicit SnapShotView(QWidget *parent, SnapShot* snapShot);

    ~SnapShotView();

private: