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-rw-r--r--gr-qtgui/lib/qtgui_time_sink_c.cc199
1 files changed, 199 insertions, 0 deletions
diff --git a/gr-qtgui/lib/qtgui_time_sink_c.cc b/gr-qtgui/lib/qtgui_time_sink_c.cc
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+++ b/gr-qtgui/lib/qtgui_time_sink_c.cc
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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,
+ int nconnections,
+ QWidget *parent)
+{
+ return gnuradio::get_initial_sptr(new qtgui_time_sink_c (size, bw, name,
+ nconnections, parent));
+}
+
+qtgui_time_sink_c::qtgui_time_sink_c (int size, double bw,
+ const std::string &name,
+ int nconnections,
+ QWidget *parent)
+ : gr_block ("time_sink_c",
+ gr_make_io_signature (nconnections, nconnections, sizeof(gr_complex)),
+ gr_make_io_signature (0, 0, 0)),
+ d_size(size), d_bandwidth(bw), d_name(name),
+ d_nconnections(2*nconnections), d_parent(parent)
+{
+ d_main_gui = NULL;
+
+ d_index = 0;
+
+ for(int i = 0; i < d_nconnections; i++) {
+ d_residbufs.push_back(new double[d_size]);
+ }
+
+ initialize();
+}
+
+qtgui_time_sink_c::~qtgui_time_sink_c()
+{
+ // d_main_gui is a qwidget destroyed with its parent
+ for(int i = 0; i < d_nconnections; i++) {
+ delete [] d_residbufs[i];
+ }
+}
+
+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_nconnections, d_parent);
+
+ // initialize update time to 10 times a second
+ set_update_time(0.1);
+ timespec_reset(&d_last_time);
+}
+
+
+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);
+}
+
+void
+qtgui_time_sink_c::set_title(int which, const std::string &title)
+{
+ d_main_gui->setTitle(which, title.c_str());
+}
+
+void
+qtgui_time_sink_c::set_color(int which, const std::string &color)
+{
+ d_main_gui->setColor(which, color.c_str());
+}
+
+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 n=0, j=0, idx=0;
+ const gr_complex *in = (const gr_complex*)input_items[idx];
+
+ 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) {
+ d_current_time = get_highres_clock();
+
+ // Fill up residbufs with d_size number of items
+ for(n = 0; n < d_nconnections; n+=2) {
+ in = (const gr_complex*)input_items[idx++];
+ for(unsigned int k = 0; k < resid; k++) {
+ d_residbufs[n][d_index+k] = in[j+k].real();
+ d_residbufs[n+1][d_index+k] = in[j+k].imag();
+ }
+ }
+
+ // Update the plot if its time
+ if(diff_timespec(d_current_time, d_last_time) > d_update_time) {
+ d_last_time = d_current_time;
+ 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
+ else {
+ for(n = 0; n < d_nconnections; n+=2) {
+ in = (const gr_complex*)input_items[idx++];
+ for(unsigned int k = 0; k < resid; k++) {
+ d_residbufs[n][d_index+k] = in[j+k].real();
+ d_residbufs[n+1][d_index+k] = in[j+k].imag();
+ }
+ }
+ d_index += datasize;
+ j += datasize;
+ }
+ }
+
+ consume_each(j);
+ return j;
+}