1 files changed, 219 insertions, 0 deletions
diff --git a/gr-qtgui/lib/time_raster_sink_c_impl.cc b/gr-qtgui/lib/time_raster_sink_c_impl.cc
new file mode 100644
index 0000000000..ca739961fe
--- /dev/null
+++ b/gr-qtgui/lib/time_raster_sink_c_impl.cc
@@ -0,0 +1,219 @@
+/* -*- 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 "time_raster_sink_c_impl.h"
+#include <gr_io_signature.h>
+#include <string.h>
+#include <volk/volk.h>
+
+namespace gr {
+  namespace qtgui {
+    
+    time_raster_sink_c::sptr
+    time_raster_sink_c::make(unsignedint rows,
+			     unsigned int cols,
+			     const std::string &name,
+			     QWidget *parent)
+    {
+      return gnuradio::get_initial_sptr
+	(new time_raster_sink_c_impl(rows, cols,
+				     name, parent));
+    }
+
+    time_raster_sink_c_impl::time_raster_sink_c_impl(unsignedint rows,
+						     unsigned int cols,
+						     const std::string &name,
+						     QWidget *parent)
+      : gr_sync_block("time_raster_sink_c",
+		      gr_make_io_signature(1, -1, sizeof(gr_complex)),
+		      gr_make_io_signature(0, 0, 0)),
+	d_name(name), d_nconnections(1), d_parent(parent),
+	d_rows(rows), d_cols(cols)
+    {
+      d_main_gui = NULL;
+
+      d_index = 0;
+      for(int i = 0; i < d_nconnections; i++) {
+	d_residbufs.push_back(fft::malloc_complex(rows));
+	memset(d_residbufs[i], 0, rows*sizeof(float));
+      }
+
+      initialize();
+    }
+
+    time_raster_sink_c_impl::~time_raster_sink_c_impl()
+    {
+      for(int i = 0; i < d_nconnections; i++) {
+	fft::free(d_residbufs[i]);
+      }
+    }
+
+    void
+    time_raster_sink_c_impl::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_rows, 8191);
+      }
+    }
+
+    void
+    time_raster_sink_c_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 TimeRasterDisplayForm(d_nconnections, d_rows, d_cols, d_parent);
+
+      // initialize update time to 10 times a second
+      set_update_time(0.1);
+      d_last_time = 0;
+    }
+
+    void
+    time_raster_sink_c_impl::exec_()
+    {
+      d_qApplication->exec();
+    }
+
+    QWidget*
+    time_raster_sink_c_impl::qwidget()
+    {
+      return d_main_gui;
+    }
+
+    PyObject*
+    time_raster_sink_c_impl::pyqwidget()
+    {
+      PyObject *w = PyLong_FromVoidPtr((void*)d_main_gui);
+      PyObject *retarg = Py_BuildValue("N", w);
+      return retarg;
+    }
+
+    void
+    time_raster_sink_c_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_raster_sink_c_impl::set_title(const std::string &title)
+    {
+      d_main_gui->setTitle(title.c_str());
+    }
+
+    void
+    time_raster_sink_c_impl::set_line_label(const std::string &label)
+    {
+      d_main_gui->setLineLabel(0, label.c_str());
+    }
+
+    void
+    time_raster_sink_c_impl::set_line_color(const std::string &color)
+    {
+      d_main_gui->setLineColor(0, color.c_str());
+    }
+
+    void
+    time_raster_sink_c_impl::set_line_width(int width)
+    {
+      d_main_gui->setLineWidth(0, width);
+    }
+
+    void
+    time_raster_sink_c_impl::set_line_style(Qt::PenStyle style)
+    {
+      d_main_gui->setLineStyle(0, style);
+    }
+
+    void
+    time_raster_sink_c_impl::set_line_marker(QwtSymbol::Style marker)
+    {
+      d_main_gui->setLineMarker(0, marker);
+    }
+
+    void
+    time_raster_sink_c_impl::set_size(int width, int height)
+    {
+      d_main_gui->resize(QSize(width, height));
+    }
+
+    int
+    time_raster_sink_c_impl::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];
+
+      for(int i=0; i < noutput_items; i+=d_cols) {
+	unsigned int datasize = noutput_items - i;
+	unsigned int resid = d_cols-d_index;
+
+	// If we have enough input for one full column
+	if(datasize >= resid) {
+
+	  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)*resid);
+	  }
+      
+	  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 TimeRasterUpdateEvent(d_residbufs,
+								d_fftsize,
+								d_last_time));
+	  }
+
+	  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 j;
+    }
+
+  } /* namespace qtgui */
+} /* namespace gr */