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bodeplot.cpp
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bodeplot.cpp
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/***************************************************************************
* Copyright (C) 2011-2012 Fabian Lesniak <[email protected]> *
* *
* This file is part of the QLenLab project. *
* *
* QLenLab 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. *
* *
* QLenLab 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 QLenLab. If not, see <http://www.gnu.org/licenses/>. *
**************************************************************************/
#include <QtGui>
#include <qwt_plot_grid.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_canvas.h>
#include <qwt_plot_layout.h>
#include <qwt_scale_engine.h>
#include "bodeplot.h"
#include "signaldata.h"
#include "communicator.h"
bodeplot::bodeplot(communicator* com, QWidget *parent) : QwtPlot(parent), p_com(com)
{
setWindowTitle(tr("Bode-Diagramm"));
setAxisTitle(QwtPlot::xBottom, tr("Frequenz [Hz]"));
setAxisTitle(QwtPlot::yLeft, tr("Verstärkung [dB]"));
plotLayout()->setAlignCanvasToScales(true);
QwtPlotGrid* grid = new QwtPlotGrid();
grid->enableX(true);
grid->enableXMin(true);
grid->enableY(true);
grid->enableYMin(false);
grid->attach(this);
setAxisScaleEngine(QwtPlot::xBottom, new QwtLogScaleEngine(10));
p_data = new bodedata;
QwtPlotCurve* curve = new QwtPlotCurve(tr("Amplitudengang"));
curve->setData(p_data);
curve->attach(this);
grid->setPen(QPen(Qt::white, 0.0, Qt::DotLine));
curve->setPen(QPen(QColor(255,255,255)));
setCanvasBackground(QColor(Qt::black));
}
bool bodeplot::exec()
{
bodedialog *bd = new bodedialog(this);
bool state = bd->exec();
setAxisScale(QwtPlot::xBottom, p_data->boundingRect().left(), p_data->boundingRect().right());
setAxisScale(QwtPlot::yLeft, p_data->boundingRect().bottom(), p_data->boundingRect().top());
replot();
delete bd;
return state;
}
bodedialog::bodedialog(bodeplot *parent) : QDialog(parent), parent(parent)
{
setWindowTitle("Bode-Diagramm messen");
groupBox_parameters = new QGroupBox(this);
spinBox_freqStart = new QSpinBox(groupBox_parameters);
spinBox_freqStart->setRange(1,9999);
spinBox_freqStart->setValue(10);
spinBox_freqEnd = new QSpinBox(groupBox_parameters);
spinBox_freqEnd->setRange(2,10000);
spinBox_freqEnd->setValue(10000);
spinBox_decadePoints = new QSpinBox(groupBox_parameters);
spinBox_decadePoints->setRange(1,30);
spinBox_decadePoints->setValue(10);
QFormLayout *groupBox_parameters_layout = new QFormLayout(groupBox_parameters);
groupBox_parameters_layout->addRow(tr("Startfrequenz"),spinBox_freqStart);
groupBox_parameters_layout->addRow(tr("Endfrequenz"),spinBox_freqEnd);
groupBox_parameters_layout->addRow(tr("Punkte pro Dekade"),spinBox_decadePoints);
groupBox_inputButtons = new QGroupBox(this);
groupBox_inputButtons->setTitle(tr("Eingang"));
radioButton_inputch1 = new QRadioButton(tr("Kanal 1"),groupBox_inputButtons);
radioButton_inputch2 = new QRadioButton(tr("Kanal 2"),groupBox_inputButtons);
radioButton_inputch3 = new QRadioButton(tr("Kanal 3"),groupBox_inputButtons);
radioButton_inputch4 = new QRadioButton(tr("Kanal 4"),groupBox_inputButtons);
QVBoxLayout *groupBox_inputButtons_layout = new QVBoxLayout(groupBox_inputButtons);
groupBox_inputButtons_layout->addWidget(radioButton_inputch1);
groupBox_inputButtons_layout->addWidget(radioButton_inputch2);
groupBox_inputButtons_layout->addWidget(radioButton_inputch3);
groupBox_inputButtons_layout->addWidget(radioButton_inputch4);
radioButton_inputch1->setChecked(true);
groupBox_outputButtons = new QGroupBox(this);
groupBox_outputButtons->setTitle(tr("Ausgang"));
radioButton_outputch1 = new QRadioButton(tr("Kanal 1"),groupBox_inputButtons);
radioButton_outputch2 = new QRadioButton(tr("Kanal 2"),groupBox_inputButtons);
radioButton_outputch3 = new QRadioButton(tr("Kanal 3"),groupBox_inputButtons);
radioButton_outputch4 = new QRadioButton(tr("Kanal 4"),groupBox_inputButtons);
QVBoxLayout *groupBox_outputButtons_layout = new QVBoxLayout(groupBox_outputButtons);
groupBox_outputButtons_layout->addWidget(radioButton_outputch1);
groupBox_outputButtons_layout->addWidget(radioButton_outputch2);
groupBox_outputButtons_layout->addWidget(radioButton_outputch3);
groupBox_outputButtons_layout->addWidget(radioButton_outputch4);
radioButton_outputch3->setChecked(true);
groupBox_bodeStatus = new QGroupBox(this);
label_frequency = new QLabel("0.0",groupBox_bodeStatus);
label_inputAmplitude = new QLabel("0.0",groupBox_bodeStatus);
label_outputAmplitude = new QLabel("0.0",groupBox_bodeStatus);
label_amplification = new QLabel("0.0",groupBox_bodeStatus);
label_samplerate = new QLabel("0.0",groupBox_bodeStatus);
QFormLayout *groupBox_bodeStatus_layout = new QFormLayout(groupBox_bodeStatus);
groupBox_bodeStatus_layout->addRow(tr("Frequenz"),label_frequency);
groupBox_bodeStatus_layout->addRow(tr("Eingangsamplitude"),label_inputAmplitude);
groupBox_bodeStatus_layout->addRow(tr("Ausgangsamplitude"),label_outputAmplitude);
groupBox_bodeStatus_layout->addRow(tr("Verstärkung"),label_amplification);
groupBox_bodeStatus_layout->addRow(tr("Samplerate"),label_samplerate);
groupBox_bodeStatus->setEnabled(false);
progressBar_progress = new QProgressBar(this);
progressBar_progress->setRange(0,100);
progressBar_progress->setValue(0);
progressBar_progress->setEnabled(false);
pushButton_start = new QPushButton(tr("Start"),this);
pushButton_cancel = new QPushButton(tr("Abbrechen"),this);
QHBoxLayout *layout_groups = new QHBoxLayout;
layout_groups->addWidget(groupBox_parameters);
layout_groups->addWidget(groupBox_inputButtons);
layout_groups->addWidget(groupBox_outputButtons);
layout_groups->addWidget(groupBox_bodeStatus);
QHBoxLayout *layout_bottom = new QHBoxLayout;
layout_bottom->addWidget(progressBar_progress);
layout_bottom->addWidget(pushButton_start);
layout_bottom->addWidget(pushButton_cancel);
QVBoxLayout *layout = new QVBoxLayout(this);
layout->addLayout(layout_groups);
layout->addLayout(layout_bottom);
connect(pushButton_start,SIGNAL(clicked()),SLOT(start()));
connect(pushButton_cancel,SIGNAL(clicked()),SLOT(cancel()));
connect(radioButton_inputch1,SIGNAL(toggled(bool)),SLOT(inputRadiosChanged()));
connect(radioButton_inputch2,SIGNAL(toggled(bool)),SLOT(inputRadiosChanged()));
connect(radioButton_inputch3,SIGNAL(toggled(bool)),SLOT(inputRadiosChanged()));
connect(radioButton_inputch4,SIGNAL(toggled(bool)),SLOT(inputRadiosChanged()));
connect(radioButton_outputch1,SIGNAL(toggled(bool)),SLOT(outputRadiosChanged()));
connect(radioButton_outputch2,SIGNAL(toggled(bool)),SLOT(outputRadiosChanged()));
connect(radioButton_outputch3,SIGNAL(toggled(bool)),SLOT(outputRadiosChanged()));
connect(radioButton_outputch4,SIGNAL(toggled(bool)),SLOT(outputRadiosChanged()));
}
void bodedialog::closeEvent(QCloseEvent *)
{
if( parent->p_com->isRunning() )
parent->p_com->stop();
}
void bodedialog::start()
{
if( parent->p_com->setRunMode(meta::bode) ) {
groupBox_parameters->setEnabled(false);
groupBox_inputButtons->setEnabled(false);
groupBox_outputButtons->setEnabled(false);
groupBox_bodeStatus->setEnabled(true);
progressBar_progress->setEnabled(true);
pushButton_start->setEnabled(false);
connect(parent->p_com,SIGNAL(bodeStateUpdate(bodestate)),SLOT(updateStatus(bodestate)));
connect(parent->p_com,SIGNAL(measureStateChanged(bool)),SLOT(finished(bool)));
parent->p_com->setBodeParameters(parent->p_data,spinBox_freqStart->value(),spinBox_freqEnd->value(),spinBox_decadePoints->value(),selectedInput(),selectedOutput());
qDebug() << "[bodeplot] Committing com start";
parent->p_com->start();
}
}
void bodedialog::finished(bool stillmeasuring)
{
if( !stillmeasuring ) {
groupBox_parameters->setEnabled(true);
groupBox_inputButtons->setEnabled(true);
groupBox_outputButtons->setEnabled(true);
groupBox_bodeStatus->setEnabled(false);
progressBar_progress->setEnabled(false);
pushButton_start->setEnabled(true);
disconnect(parent->p_com,SIGNAL(bodeStateUpdate(bodestate)),this,SLOT(updateStatus(bodestate)));
disconnect(parent->p_com,SIGNAL(measureStateChanged(bool)),this,SLOT(finished(bool)));
accept();
}
}
void bodedialog::cancel()
{
if( parent->p_com->isRunning() )
parent->p_com->stop();
else
reject();
}
meta::channel bodedialog::selectedInput()
{
if( radioButton_inputch1->isChecked() )
return meta::ch1a;
if( radioButton_inputch2->isChecked() )
return meta::ch1b;
if( radioButton_inputch3->isChecked() )
return meta::ch2a;
if( radioButton_inputch4->isChecked() )
return meta::ch2b;
return meta::ch12ab;
}
meta::channel bodedialog::selectedOutput()
{
if( radioButton_outputch1->isChecked() )
return meta::ch1a;
if( radioButton_outputch2->isChecked() )
return meta::ch1b;
if( radioButton_outputch3->isChecked() )
return meta::ch2a;
if( radioButton_outputch4->isChecked() )
return meta::ch2b;
return meta::ch12ab;
}
void bodedialog::updateStatus(bodestate state)
{
label_frequency->setText(QString::number(state.frequency)+"Hz");
label_inputAmplitude->setText(QString::number(state.inputAmplitude,'g',2)+"V");
label_outputAmplitude->setText(QString::number(state.outputAmplitude,'g',2)+"V");
label_amplification->setText(QString::number(state.amplification,'g',2)+"dB");
label_samplerate->setText(QString::number(state.samplerate)+"Hz");
progressBar_progress->setValue(state.progress);
}
void bodedialog::inputRadiosChanged()
{
if( (radioButton_inputch1->isChecked() || radioButton_inputch2->isChecked() ) && (radioButton_outputch1->isChecked() || radioButton_outputch2->isChecked() ) )
radioButton_outputch3->setChecked(true);
if( (radioButton_inputch3->isChecked() || radioButton_inputch4->isChecked() ) && (radioButton_outputch3->isChecked() || radioButton_outputch4->isChecked() ) )
radioButton_outputch1->setChecked(true);
}
void bodedialog::outputRadiosChanged()
{
if( (radioButton_inputch1->isChecked() || radioButton_inputch2->isChecked() ) && (radioButton_outputch1->isChecked() || radioButton_outputch2->isChecked() ) )
radioButton_inputch3->setChecked(true);
if( (radioButton_inputch3->isChecked() || radioButton_inputch4->isChecked() ) && (radioButton_outputch3->isChecked() || radioButton_outputch4->isChecked() ) )
radioButton_inputch1->setChecked(true);
}