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/* -*- c++ -*- */
/*
* Copyright 2011 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_time_sink_c.h>
#include <gr_io_signature.h>
#include <string.h>
#include <QTimer>
qtgui_time_sink_c_sptr
qtgui_make_time_sink_c (int size, double bw,
const std::string &name,
QWidget *parent)
{
return gnuradio::get_initial_sptr(new qtgui_time_sink_c (size, bw, name,
parent));
}
qtgui_time_sink_c::qtgui_time_sink_c (int size, double bw,
const std::string &name,
QWidget *parent)
: gr_block ("time_sink_c",
gr_make_io_signature (1, -1, sizeof(gr_complex)),
gr_make_io_signature (0, 0, 0)),
d_size(size), d_bandwidth(bw), d_name(name),
d_parent(parent)
{
d_main_gui = NULL;
d_index = 0;
d_residbuf = new gr_complex[d_size];
initialize();
}
qtgui_time_sink_c::~qtgui_time_sink_c()
{
// d_main_gui is a qwidget destroyed with its parent
delete [] d_residbuf;
}
void
qtgui_time_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_size, 8191);
}
}
void
qtgui_time_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 TimeDisplayForm(d_parent);
// initialize update time to 10 times a second
set_update_time(0.1);
}
void
qtgui_time_sink_c::exec_()
{
d_qApplication->exec();
}
QWidget*
qtgui_time_sink_c::qwidget()
{
return d_main_gui;
}
PyObject*
qtgui_time_sink_c::pyqwidget()
{
PyObject *w = PyLong_FromVoidPtr((void*)d_main_gui);
PyObject *retarg = Py_BuildValue("N", w);
return retarg;
}
void
qtgui_time_sink_c::set_time_domain_axis(double min, double max)
{
d_main_gui->SetTimeDomainAxis(min, max);
}
void
qtgui_time_sink_c::set_update_time(double t)
{
d_update_time = t;
d_main_gui->SetUpdateTime(d_update_time);
}
int
qtgui_time_sink_c::general_work (int noutput_items,
gr_vector_int &ninput_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];
for(int i=0; i < noutput_items; i+=d_size) {
unsigned int datasize = noutput_items - i;
unsigned int resid = d_size-d_index;
// If we have enough input for one full FFT, do it
if(datasize >= resid) {
const timespec currentTime = get_highres_clock();
// Fill up residbuf with d_fftsize number of items
memcpy(d_residbuf+d_index, &in[j], sizeof(gr_complex)*resid);
d_index = 0;
j += resid;
d_qApplication->postEvent(d_main_gui,
new TimeUpdateEvent(d_residbuf, d_size,
currentTime, true));
}
// Otherwise, copy what we received into the residbuf for next time
else {
memcpy(d_residbuf+d_index, &in[j], sizeof(gr_complex)*datasize);
d_index += datasize;
j += datasize;
}
}
consume_each(j);
return j;
}
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