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authorTom Rondeau <tom@trondeau.com>2013-08-02 13:30:38 -0400
committerTom Rondeau <tom@trondeau.com>2013-08-02 13:30:38 -0400
commitf6a1e39fe3fca5b50ea664ad2055e37045ee6bef (patch)
treee4458278d89d7ba46204d870f18e0e943d0ef484 /gr-qtgui/lib/histogram_sink_f_impl.cc
parent0a5c5d55040f6a6812db2f9c8d62b36838b70a91 (diff)
qtgui: Added histogram sink.
Diffstat (limited to 'gr-qtgui/lib/histogram_sink_f_impl.cc')
-rw-r--r--gr-qtgui/lib/histogram_sink_f_impl.cc381
1 files changed, 381 insertions, 0 deletions
diff --git a/gr-qtgui/lib/histogram_sink_f_impl.cc b/gr-qtgui/lib/histogram_sink_f_impl.cc
new file mode 100644
index 0000000000..293fb2c0ec
--- /dev/null
+++ b/gr-qtgui/lib/histogram_sink_f_impl.cc
@@ -0,0 +1,381 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2013 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "histogram_sink_f_impl.h"
+#include <gnuradio/io_signature.h>
+#include <string.h>
+#include <volk/volk.h>
+#include <gnuradio/fft/fft.h>
+#include <qwt_symbol.h>
+
+namespace gr {
+ namespace qtgui {
+
+ histogram_sink_f::sptr
+ histogram_sink_f::make(int size, int bins,
+ const std::string &name,
+ int nconnections,
+ QWidget *parent)
+ {
+ return gnuradio::get_initial_sptr
+ (new histogram_sink_f_impl(size, bins, name,
+ nconnections, parent));
+ }
+
+ histogram_sink_f_impl::histogram_sink_f_impl(int size, int bins,
+ const std::string &name,
+ int nconnections,
+ QWidget *parent)
+ : sync_block("histogram_sink_f",
+ io_signature::make(nconnections, nconnections, sizeof(float)),
+ io_signature::make(0, 0, 0)),
+ d_size(size), d_bins(bins), d_name(name),
+ d_nconnections(nconnections), d_parent(parent)
+ {
+ d_main_gui = NULL;
+
+ d_index = 0;
+
+ for(int i = 0; i < d_nconnections; i++) {
+ d_residbufs.push_back(fft::malloc_double(d_size));
+ memset(d_residbufs[i], 0, d_size*sizeof(double));
+ }
+
+ // Set alignment properties for VOLK
+ const int alignment_multiple =
+ volk_get_alignment() / sizeof(gr_complex);
+ set_alignment(std::max(1,alignment_multiple));
+
+ initialize();
+ }
+
+ histogram_sink_f_impl::~histogram_sink_f_impl()
+ {
+ if(!d_main_gui->isClosed())
+ d_main_gui->close();
+
+ // d_main_gui is a qwidget destroyed with its parent
+ for(int i = 0; i < d_nconnections; i++) {
+ fft::free(d_residbufs[i]);
+ }
+ }
+
+ bool
+ histogram_sink_f_impl::check_topology(int ninputs, int noutputs)
+ {
+ return ninputs == d_nconnections;
+ }
+
+ void
+ histogram_sink_f_impl::initialize()
+ {
+ if(qApp != NULL) {
+ d_qApplication = qApp;
+ }
+ else {
+ int argc=0;
+ char **argv = NULL;
+ d_qApplication = new QApplication(argc, argv);
+ }
+
+ d_main_gui = new HistogramDisplayForm(d_nconnections, d_parent);
+ d_main_gui->setNPoints(d_size);
+
+ // initialize update time to 10 times a second
+ set_update_time(0.1);
+ }
+
+ void
+ histogram_sink_f_impl::exec_()
+ {
+ d_qApplication->exec();
+ }
+
+ QWidget*
+ histogram_sink_f_impl::qwidget()
+ {
+ return d_main_gui;
+ }
+
+ PyObject*
+ histogram_sink_f_impl::pyqwidget()
+ {
+ PyObject *w = PyLong_FromVoidPtr((void*)d_main_gui);
+ PyObject *retarg = Py_BuildValue("N", w);
+ return retarg;
+ }
+
+ void
+ histogram_sink_f_impl::set_y_axis(double min, double max)
+ {
+ d_main_gui->setYaxis(min, max);
+ }
+
+ void
+ histogram_sink_f_impl::set_update_time(double t)
+ {
+ //convert update time to ticks
+ gr::high_res_timer_type tps = gr::high_res_timer_tps();
+ d_update_time = t * tps;
+ d_main_gui->setUpdateTime(t);
+ d_last_time = 0;
+ }
+
+ void
+ histogram_sink_f_impl::set_title(const std::string &title)
+ {
+ d_main_gui->setTitle(title.c_str());
+ }
+
+ void
+ histogram_sink_f_impl::set_line_label(int which, const std::string &label)
+ {
+ d_main_gui->setLineLabel(which, label.c_str());
+ }
+
+ void
+ histogram_sink_f_impl::set_line_color(int which, const std::string &color)
+ {
+ d_main_gui->setLineColor(which, color.c_str());
+ }
+
+ void
+ histogram_sink_f_impl::set_line_width(int which, int width)
+ {
+ d_main_gui->setLineWidth(which, width);
+ }
+
+ void
+ histogram_sink_f_impl::set_line_style(int which, int style)
+ {
+ d_main_gui->setLineStyle(which, (Qt::PenStyle)style);
+ }
+
+ void
+ histogram_sink_f_impl::set_line_marker(int which, int marker)
+ {
+ d_main_gui->setLineMarker(which, (QwtSymbol::Style)marker);
+ }
+
+ void
+ histogram_sink_f_impl::set_line_alpha(int which, double alpha)
+ {
+ d_main_gui->setMarkerAlpha(which, (int)(255.0*alpha));
+ }
+
+ void
+ histogram_sink_f_impl::set_size(int width, int height)
+ {
+ d_main_gui->resize(QSize(width, height));
+ }
+
+ std::string
+ histogram_sink_f_impl::title()
+ {
+ return d_main_gui->title().toStdString();
+ }
+
+ std::string
+ histogram_sink_f_impl::line_label(int which)
+ {
+ return d_main_gui->lineLabel(which).toStdString();
+ }
+
+ std::string
+ histogram_sink_f_impl::line_color(int which)
+ {
+ return d_main_gui->lineColor(which).toStdString();
+ }
+
+ int
+ histogram_sink_f_impl::line_width(int which)
+ {
+ return d_main_gui->lineWidth(which);
+ }
+
+ int
+ histogram_sink_f_impl::line_style(int which)
+ {
+ return d_main_gui->lineStyle(which);
+ }
+
+ int
+ histogram_sink_f_impl::line_marker(int which)
+ {
+ return d_main_gui->lineMarker(which);
+ }
+
+ double
+ histogram_sink_f_impl::line_alpha(int which)
+ {
+ return (double)(d_main_gui->markerAlpha(which))/255.0;
+ }
+
+ void
+ histogram_sink_f_impl::set_nsamps(const int newsize)
+ {
+ gr::thread::scoped_lock lock(d_mutex);
+
+ if(newsize != d_size) {
+ // Resize residbuf and replace data
+ for(int i = 0; i < d_nconnections; i++) {
+ fft::free(d_residbufs[i]);
+ d_residbufs[i] = fft::malloc_double(newsize);
+
+ memset(d_residbufs[i], 0, newsize*sizeof(double));
+ }
+
+ // Set new size and reset buffer index
+ // (throws away any currently held data, but who cares?)
+ d_size = newsize;
+ d_index = 0;
+
+ d_main_gui->setNPoints(d_size);
+ }
+ }
+
+ void
+ histogram_sink_f_impl::set_bins(const int bins)
+ {
+ gr::thread::scoped_lock lock(d_mutex);
+ d_bins = bins;
+ d_main_gui->setNumBins(d_bins);
+ }
+
+ int
+ histogram_sink_f_impl::nsamps() const
+ {
+ return d_size;
+ }
+
+ int
+ histogram_sink_f_impl::bins() const
+ {
+ return d_bins;
+ }
+
+ void
+ histogram_sink_f_impl::npoints_resize()
+ {
+ int newsize = d_main_gui->getNPoints();
+ set_nsamps(newsize);
+ }
+
+ void
+ histogram_sink_f_impl::enable_menu(bool en)
+ {
+ d_main_gui->enableMenu(en);
+ }
+
+ void
+ histogram_sink_f_impl::enable_grid(bool en)
+ {
+ d_main_gui->setGrid(en);
+ }
+
+ void
+ histogram_sink_f_impl::enable_autoscale(bool en)
+ {
+ d_main_gui->autoScale(en);
+ }
+
+ void
+ histogram_sink_f_impl::enable_semilogx(bool en)
+ {
+ d_main_gui->setSemilogx(en);
+ }
+
+ void
+ histogram_sink_f_impl::enable_semilogy(bool en)
+ {
+ d_main_gui->setSemilogy(en);
+ }
+
+ void
+ histogram_sink_f_impl::enable_accumulate(bool en)
+ {
+ d_main_gui->setAccumulate(en);
+ }
+
+ void
+ histogram_sink_f_impl::reset()
+ {
+ d_index = 0;
+ }
+
+ int
+ histogram_sink_f_impl::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ int n=0, j=0, idx=0;
+ const float *in = (const float*)input_items[idx];
+
+ npoints_resize();
+
+ for(int i=0; i < noutput_items; i+=d_size) {
+ unsigned int datasize = noutput_items - i;
+ unsigned int resid = d_size-d_index;
+ idx = 0;
+
+ // If we have enough input for one full plot, do it
+ if(datasize >= resid) {
+
+ // Fill up residbufs with d_size number of items
+ for(n = 0; n < d_nconnections; n++) {
+ in = (const float*)input_items[idx++];
+ volk_32f_convert_64f_u(&d_residbufs[n][d_index],
+ &in[j], resid);
+ }
+
+ // Update the plot if its time
+ if(gr::high_res_timer_now() - d_last_time > d_update_time) {
+ d_last_time = gr::high_res_timer_now();
+ d_qApplication->postEvent(d_main_gui,
+ new HistogramUpdateEvent(d_residbufs, d_size));
+ }
+
+ d_index = 0;
+ j += resid;
+ }
+ // Otherwise, copy what we received into the residbufs for next time
+ // because we set the output_multiple, this should never need to be called
+ else {
+ for(n = 0; n < d_nconnections; n++) {
+ in = (const float*)input_items[idx++];
+ volk_32f_convert_64f_u(&d_residbufs[n][d_index],
+ &in[j], datasize);
+ }
+ d_index += datasize;
+ j += datasize;
+ }
+ }
+
+ return j;
+ }
+
+ } /* namespace qtgui */
+} /* namespace gr */
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