Merge branch 'master' into turbo

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
new file mode 100644
index 000000000..6c4793ea1
--- /dev/null
+++ b/gr-qtgui/lib/qtgui_time_sink_c.cc
@@ -0,0 +1,199 @@
+/* -*- 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;
+}