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/*
* Copyright 2016 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "display_qt.h"
mywindow::mywindow()
: QWidget()
{
// We'll use a horizontal layout of two QTabWidgets
layout = new QHBoxLayout();
// Create the tab widgets
tab0 = new QTabWidget();
tab1 = new QTabWidget();
// Add the tab widgets to the layou
layout->addWidget(tab0);
layout->addWidget(tab1);
// Set the layout as the main widget's layou
setLayout(layout);
// Simple resizing of the app
resize(2000,800);
// sample rate
int rate = 48000;
// Create the GNU Radio top block
tb = make_top_block("display_qt");
// Source will be sine wave in noise
src0 = analog::sig_source_f::make(rate, analog::GR_SIN_WAVE, 1500, 1);
src1 = analog::noise_source_f::make(analog::GR_GAUSSIAN, 0.1);
// Combine signal and noise; add throttle
src = blocks::add_ff::make();
thr = blocks::throttle::make(sizeof(float), rate);
// Create the QTGUI sinks
// Time, Freq, Waterfall, and Histogram sinks
tsnk = qtgui::time_sink_f::make(1024, rate, "", 1);
fsnk = qtgui::freq_sink_f::make(1024, fft::window::WIN_HANN,
0, rate, "", 1);
wsnk = qtgui::waterfall_sink_f::make(1024, fft::window::WIN_HANN,
0, rate, "", 1);
hsnk = qtgui::histogram_sink_f::make(1024, 100, -2, 2, "", 1);
// Turn off the legend on these plots
tsnk->disable_legend();
fsnk->disable_legend();
hsnk->disable_legend();
// Connect the graph
tb->connect(src0, 0, src, 0);
tb->connect(src1, 0, src, 1);
tb->connect(src, 0, thr, 0);
tb->connect(thr, 0, tsnk, 0);
tb->connect(thr, 0, fsnk, 0);
tb->connect(thr, 0, wsnk, 0);
tb->connect(thr, 0, hsnk, 0);
// Get the raw QWidget objects from the GNU Radio blocks
qtgui_time_sink_win = tsnk->qwidget();
qtgui_freq_sink_win = fsnk->qwidget();
qtgui_waterfall_sink_win = wsnk->qwidget();
qtgui_histogram_sink_win = hsnk->qwidget();
// Plug the widgets into the tabs
tab0->addTab(qtgui_time_sink_win, "Time");
tab0->addTab(qtgui_histogram_sink_win, "Hist");
tab1->addTab(qtgui_freq_sink_win, "Freq");
tab1->addTab(qtgui_waterfall_sink_win, "Waterfall");
}
mywindow::~mywindow()
{
}
void
mywindow::start()
{
tb->start();
}
void
mywindow::quitting()
{
tb->stop();
tb->wait();
}
int main(int argc, char **argv)
{
// The global QT application
QApplication app(argc, argv);
mywindow *w = new mywindow();
QObject::connect(&app, SIGNAL(aboutToQuit()),
w, SLOT(quitting()));
w->start(); // Start the flowgraph
w->show(); // show the window
app.exec(); // run the QT executor loop
return 0;
}
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