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/* -*- c++ -*- */
/*
* Copyright 2011,2012 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 "time_sink_f_impl.h"
#include <gr_io_signature.h>
#include <string.h>
#include <volk/volk.h>
#include <fft/fft.h>
namespace gr {
namespace qtgui {
time_sink_f::sptr
time_sink_f::make(int size, double bw,
const std::string &name,
int nconnections,
QWidget *parent)
{
return gnuradio::get_initial_sptr
(new time_sink_f_impl(size, bw, name, nconnections, parent));
}
time_sink_f_impl::time_sink_f_impl(int size, double bw,
const std::string &name,
int nconnections,
QWidget *parent)
: gr_sync_block("time_sink_f",
gr_make_io_signature(nconnections, nconnections, sizeof(float)),
gr_make_io_signature(0, 0, 0)),
d_size(size), d_bandwidth(bw), 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();
}
time_sink_f_impl::~time_sink_f_impl()
{
// d_main_gui is a qwidget destroyed with its parent
for(int i = 0; i < d_nconnections; i++) {
fft::free(d_residbufs[i]);
}
}
void
time_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 TimeDisplayForm(d_nconnections, d_parent);
d_main_gui->SetNPoints(d_size);
// initialize update time to 10 times a second
set_update_time(0.1);
d_last_time = 0;
}
void
time_sink_f_impl::exec_()
{
d_qApplication->exec();
}
QWidget*
time_sink_f_impl::qwidget()
{
return d_main_gui;
}
PyObject*
time_sink_f_impl::pyqwidget()
{
PyObject *w = PyLong_FromVoidPtr((void*)d_main_gui);
PyObject *retarg = Py_BuildValue("N", w);
return retarg;
}
void
time_sink_f_impl::set_time_domain_axis(double min, double max)
{
d_main_gui->setTimeDomainAxis(min, max);
}
void
time_sink_f_impl::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
time_sink_f_impl::set_title(int which, const std::string &title)
{
d_main_gui->setTitle(which, title.c_str());
}
void
time_sink_f_impl::set_color(int which, const std::string &color)
{
d_main_gui->setColor(which, color.c_str());
}
void
time_sink_f_impl::set_line_width(int which, int width)
{
d_main_gui->setLineWidth(which, width);
}
void
time_sink_f_impl::set_line_style(int which, Qt::PenStyle style)
{
d_main_gui->setLineStyle(which, style);
}
void
time_sink_f_impl::set_line_marker(int which, QwtSymbol::Style marker)
{
d_main_gui->setLineMarker(which, marker);
}
void
time_sink_f_impl::set_size(int width, int height)
{
d_main_gui->resize(QSize(width, height));
}
void
time_sink_f_impl::set_nsamps(const int newsize)
{
gruel::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
time_sink_f_impl::npoints_resize()
{
int newsize = d_main_gui->GetNPoints();
set_nsamps(newsize);
}
int
time_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(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 TimeUpdateEvent(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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