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tuner: Move Tuner intro SpectrogramPlot

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Mike Walters
2016-04-07 22:51:16 +01:00
parent ec45e0f6da
commit 9d5bf3631d
4 changed files with 74 additions and 50 deletions
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44
plotview.cpp
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@@ -21,27 +21,25 @@
#include <QApplication>
#include <QDebug>
#include <QPainter>
#include <QPixmapCache>
#include <QScrollBar>
#include <gnuradio/top_block.h>
#include <gnuradio/analog/quadrature_demod_cf.h>
#include <gnuradio/blocks/multiply_const_cc.h>
#include <gnuradio/filter/firdes.h>
#include "grsamplebuffer.h"
#include "memory_sink.h"
#include "memory_source.h"
PlotView::PlotView(InputSource *input) : cursors(this), tuner(this), viewRange({0, 0})
PlotView::PlotView(InputSource *input) : cursors(this), viewRange({0, 0})
{
mainSampleSource = input;
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
enableCursors(false);
connect(&cursors, SIGNAL(cursorsMoved()), this, SLOT(cursorsMoved()));
connect(&tuner, &Tuner::tunerMoved, this, &PlotView::tunerMoved);
spectrogramPlot = new SpectrogramPlot(std::shared_ptr<SampleSource<std::complex<float>>>(mainSampleSource));
iqPlot = createIQPlot(mainSampleSource);
auto quadDemodPlot = createQuadratureDemodPlot(static_cast<SampleSource<std::complex<float>>*>(iqPlot->source().get()));
auto tunerOutput = std::dynamic_pointer_cast<SampleSource<std::complex<float>>>(spectrogramPlot->output()).get();
iqPlot = createIQPlot(tunerOutput);
auto quadDemodPlot = createQuadratureDemodPlot(tunerOutput);
addPlot(spectrogramPlot);
addPlot(iqPlot);
@@ -63,21 +61,11 @@ TracePlot* PlotView::createIQPlot(SampleSource<std::complex<float>> *src)
auto iq_mem_source = gr::blocks::memory_source::make(8);
auto iq_mem_sink = gr::blocks::memory_sink::make(8);
auto multiply = gr::blocks::multiply_const_cc::make(20);
if (selection || true) {
float centre = -0.05; //(selectionFreq.first + selectionFreq.second) / 2;
float cutoff = 0.02; //std::abs(selectionFreq.first - centre);
auto lp_taps = gr::filter::firdes::low_pass(1.0, 1.0, cutoff, cutoff / 2);
plotFilter = gr::filter::freq_xlating_fir_filter_ccf::make(1, lp_taps, centre, 1.0);
iq_tb->connect(iq_mem_source, 0, plotFilter, 0);
iq_tb->connect(plotFilter, 0, multiply, 0);
iq_tb->connect(multiply, 0, iq_mem_sink, 0);
} else {
iq_tb->connect(iq_mem_source, 0, multiply, 0);
iq_tb->connect(multiply, 0, iq_mem_sink, 0);
}
iq_tb->connect(iq_mem_source, 0, multiply, 0);
iq_tb->connect(multiply, 0, iq_mem_sink, 0);
auto iq_src = std::make_shared<GRSampleBuffer<std::complex<float>, std::complex<float>>>(mainSampleSource, iq_tb, iq_mem_source, iq_mem_sink);
auto iq_src = std::make_shared<GRSampleBuffer<std::complex<float>, std::complex<float>>>(src, iq_tb, iq_mem_source, iq_mem_sink);
return new TracePlot(iq_src);
}
@@ -132,9 +120,6 @@ bool PlotView::eventFilter(QObject * obj, QEvent *event)
if (cursors.mouseEvent(event->type(), *mouseEvent))
return true;
if (tuner.mouseEvent(event->type(), *mouseEvent))
return true;
int plotY = -verticalScrollBar()->value();
for (auto&& plot : plots) {
bool result = plot->mouseEvent(
@@ -245,7 +230,6 @@ void PlotView::paintEvent(QPaintEvent *event)
PLOT_LAYER(paintFront);
if (cursorsEnabled)
cursors.paintFront(painter, rect, viewRange);
tuner.paintFront(painter, rect, viewRange);
#undef PLOT_LAYER
}
@@ -274,20 +258,6 @@ void PlotView::scrollContentsBy(int dx, int dy)
updateView();
}
void PlotView::tunerMoved()
{
float centre = 0.5f - tuner.centre() / (float)fftSize;
float cutoff = tuner.deviation() / (float)fftSize;
auto lp_taps = gr::filter::firdes::low_pass(1.0, 1.0, cutoff, cutoff / 2);
plotFilter->set_center_freq(centre);
plotFilter->set_taps(lp_taps);
// TODO: for invalidating traceplot cache, this shouldn't really go here
QPixmapCache::clear();
viewport()->update();
}
void PlotView::updateView(bool reCenter)
{
// Store old view for recentering