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-rw-r--r--gr-qtgui/lib/qtgui_freq_sink_c.cc345
1 files changed, 0 insertions, 345 deletions
diff --git a/gr-qtgui/lib/qtgui_freq_sink_c.cc b/gr-qtgui/lib/qtgui_freq_sink_c.cc
deleted file mode 100644
index 7d6c3d7c00..0000000000
--- a/gr-qtgui/lib/qtgui_freq_sink_c.cc
+++ /dev/null
@@ -1,345 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2012 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 <qtgui_freq_sink_c.h>
-#include <gr_io_signature.h>
-#include <string.h>
-
-#include <QTimer>
-#include <volk/volk.h>
-
-qtgui_freq_sink_c_sptr
-qtgui_make_freq_sink_c(int fftsize, int wintype,
- double fc, double bw,
- const std::string &name,
- int nconnections,
- QWidget *parent)
-{
- return gnuradio::get_initial_sptr
- (new qtgui_freq_sink_c(fftsize, wintype,
- fc, bw, name,
- nconnections,
- parent));
-}
-
-qtgui_freq_sink_c::qtgui_freq_sink_c(int fftsize, int wintype,
- double fc, double bw,
- const std::string &name,
- int nconnections,
- QWidget *parent)
- : gr_sync_block("freq_sink_c",
- gr_make_io_signature(1, -1, sizeof(gr_complex)),
- gr_make_io_signature(0, 0, 0)),
- d_fftsize(fftsize), d_fftavg(1.0),
- d_wintype((gr_firdes::win_type)(wintype)),
- d_center_freq(fc), d_bandwidth(bw), d_name(name),
- d_nconnections(nconnections), d_parent(parent)
-{
- d_main_gui = NULL;
-
- // Perform fftshift operation;
- // this is usually desired when plotting
- d_shift = true;
-
- d_fft = new gr::fft::fft_complex(d_fftsize, true);
- d_fbuf = gr::fft::malloc_float(d_fftsize);
-
- d_index = 0;
- for(int i = 0; i < d_nconnections; i++) {
- d_residbufs.push_back(gr::fft::malloc_complex(d_fftsize));
- d_magbufs.push_back(gr::fft::malloc_double(d_fftsize));
- }
-
- buildwindow();
-
- initialize();
-}
-
-qtgui_freq_sink_c::~qtgui_freq_sink_c()
-{
- for(int i = 0; i < d_nconnections; i++) {
- gr::fft::free(d_residbufs[i]);
- gr::fft::free(d_magbufs[i]);
- }
- delete d_fft;
- delete d_fbuf;
-}
-
-void
-qtgui_freq_sink_c::forecast(int noutput_items, gr_vector_int &ninput_items_required)
-{
- unsigned int ninputs = ninput_items_required.size();
- for (unsigned int i = 0; i < ninputs; i++) {
- ninput_items_required[i] = std::min(d_fftsize, 8191);
- }
-}
-
-void
-qtgui_freq_sink_c::initialize()
-{
- if(qApp != NULL) {
- d_qApplication = qApp;
- }
- else {
- int argc=0;
- char **argv = NULL;
- d_qApplication = new QApplication(argc, argv);
- }
-
- d_main_gui = new FreqDisplayForm(d_nconnections, d_parent);
- d_main_gui->SetFFTSize(d_fftsize);
- d_main_gui->SetFrequencyRange(d_center_freq,
- d_center_freq - d_bandwidth/2.0,
- d_center_freq + d_bandwidth/2.0);
-
- // initialize update time to 10 times a second
- set_update_time(0.1);
- d_last_time = 0;
-}
-
-void
-qtgui_freq_sink_c::exec_()
-{
- d_qApplication->exec();
-}
-
-QWidget*
-qtgui_freq_sink_c::qwidget()
-{
- return d_main_gui;
-}
-
-PyObject*
-qtgui_freq_sink_c::pyqwidget()
-{
- PyObject *w = PyLong_FromVoidPtr((void*)d_main_gui);
- PyObject *retarg = Py_BuildValue("N", w);
- return retarg;
-}
-
-void
-qtgui_freq_sink_c::set_fft_size(const int fftsize)
-{
- d_fftsize = fftsize;
- d_main_gui->SetFFTSize(fftsize);
-}
-
-int
-qtgui_freq_sink_c::fft_size() const
-{
- return d_fftsize;
-}
-
-void
-qtgui_freq_sink_c::set_fft_average(const float fftavg)
-{
- d_fftavg = fftavg;
- d_main_gui->SetFFTAverage(fftavg);
-}
-
-float
-qtgui_freq_sink_c::fft_average() const
-{
- return d_fftavg;
-}
-
-void
-qtgui_freq_sink_c::set_frequency_range(const double centerfreq,
- const double bandwidth)
-{
- d_center_freq = centerfreq;
- d_bandwidth = bandwidth;
- d_main_gui->SetFrequencyRange(d_center_freq,
- -d_bandwidth/2.0,
- d_bandwidth/2.0);
-}
-
-void
-qtgui_freq_sink_c::set_fft_power_db(double min, double max)
-{
- d_main_gui->SetFrequencyAxis(min, max);
-}
-
-void
-qtgui_freq_sink_c::set_update_time(double t)
-{
- //convert update time to ticks
- gruel::high_res_timer_type tps = gruel::high_res_timer_tps();
- d_update_time = t * tps;
- d_main_gui->setUpdateTime(t);
-}
-
-void
-qtgui_freq_sink_c::set_title(int which, const std::string &title)
-{
- d_main_gui->setTitle(which, title.c_str());
-}
-
-void
-qtgui_freq_sink_c::set_color(int which, const std::string &color)
-{
- d_main_gui->setColor(which, color.c_str());
-}
-
-void
-qtgui_freq_sink_c::set_resize(int width, int height)
-{
- d_main_gui->resize(QSize(width, height));
-}
-
-void
-qtgui_freq_sink_c::fft(float *data_out, const gr_complex *data_in, int size)
-{
- if(d_window.size()) {
- volk_32fc_32f_multiply_32fc_a(d_fft->get_inbuf(), data_in, &d_window.front(), size);
- }
- else {
- memcpy(d_fft->get_inbuf(), data_in, sizeof(gr_complex)*size);
- }
-
- d_fft->execute(); // compute the fft
-
- volk_32fc_s32f_x2_power_spectral_density_32f_a(data_out, d_fft->get_outbuf(), size, 1.0, size);
-
- // Perform shift operation
- unsigned int len = (unsigned int)(floor(size/2.0));
- float *tmp = (float*)malloc(sizeof(float)*len);
- memcpy(tmp, &data_out[0], sizeof(float)*len);
- memcpy(&data_out[0], &data_out[len], sizeof(float)*(size - len));
- memcpy(&data_out[size - len], tmp, sizeof(float)*len);
- free(tmp);
-}
-
-void
-qtgui_freq_sink_c::windowreset()
-{
- //gr_firdes::win_type newwintype = (gr_firdes::win_type)d_main_gui->GetWindowType();
- //if(d_wintype != newwintype) {
- // d_wintype = newwintype;
- // buildwindow();
- //}
-}
-
-void
-qtgui_freq_sink_c::buildwindow()
-{
- d_window.clear();
- if(d_wintype != 0) {
- d_window = gr_firdes::window(d_wintype, d_fftsize, 6.76);
- }
-}
-
-void
-qtgui_freq_sink_c::fftresize()
-{
- gruel::scoped_lock lock(d_mutex);
-
- int newfftsize = d_main_gui->GetFFTSize();
- d_fftavg = d_main_gui->GetFFTAverage();
-
- if(newfftsize != d_fftsize) {
- // Resize residbuf and replace data
- for(int i = 0; i < d_nconnections; i++) {
- gr::fft::free(d_residbufs[i]);
- gr::fft::free(d_magbufs[i]);
-
- d_residbufs[i] = gr::fft::malloc_complex(newfftsize);
- d_magbufs[i] = gr::fft::malloc_double(newfftsize);
-
- memset(d_magbufs[i], 0, newfftsize*sizeof(double));
- }
-
- // Set new fft size and reset buffer index
- // (throws away any currently held data, but who cares?)
- d_fftsize = newfftsize;
- d_index = 0;
-
- // Reset window to reflect new size
- buildwindow();
-
- // Reset FFTW plan for new size
- delete d_fft;
- d_fft = new gr::fft::fft_complex(d_fftsize, true);
-
- gr::fft::free(d_fbuf);
- d_fbuf = gr::fft::malloc_float(d_fftsize);
- }
-}
-
-int
-qtgui_freq_sink_c::work(int noutput_items,
- gr_vector_const_void_star &input_items,
- gr_vector_void_star &output_items)
-{
- int j=0;
- const gr_complex *in = (const gr_complex*)input_items[0];
-
- // Update the FFT size from the application
- fftresize();
- windowreset();
-
- for(int i=0; i < noutput_items; i+=d_fftsize) {
- unsigned int datasize = noutput_items - i;
- unsigned int resid = d_fftsize-d_index;
-
- // If we have enough input for one full FFT, do it
- if(datasize >= resid) {
-
- for(int n = 0; n < d_nconnections; n++) {
- // Fill up residbuf with d_fftsize number of items
- in = (const gr_complex*)input_items[n];
- memcpy(d_residbufs[n]+d_index, &in[j], sizeof(gr_complex)*resid);
-
- fft(d_fbuf, d_residbufs[n], d_fftsize);
- for(int x = 0; x < d_fftsize; x++) {
- d_magbufs[n][x] = (double)((1.0-d_fftavg)*d_magbufs[n][x] + (d_fftavg)*d_fbuf[x]);
- }
-
- //volk_32f_convert_64f_a(d_magbufs[n], d_fbuf, d_fftsize);
- }
-
- if(gruel::high_res_timer_now() - d_last_time > d_update_time) {
- d_last_time = gruel::high_res_timer_now();
- d_qApplication->postEvent(d_main_gui,
- new FreqUpdateEvent(d_magbufs, d_fftsize));
- }
-
- d_index = 0;
- j += resid;
- }
- // Otherwise, copy what we received into the residbuf for next time
- else {
- for(int n = 0; n < d_nconnections; n++) {
- in = (const gr_complex*)input_items[n];
- memcpy(d_residbufs[n]+d_index, &in[j], sizeof(gr_complex)*datasize);
- }
- d_index += datasize;
- j += datasize;
- }
- }
-
- return noutput_items;
-}