msdd6000 source upgraded and enabled

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8782 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 112 insertions, 0 deletions

diff --git a/gr-msdd6000/src/msdd_source_c.cc b/gr-msdd6000/src/msdd_source_c.cc
new file mode 100644
index 000000000..db1f320ca
--- /dev/null
+++ b/gr-msdd6000/src/msdd_source_c.cc
@@ -0,0 +1,112 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2006 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
+
+//#define MSDD_DEBUG2_TRUE
+
+#ifdef MSDD_DEBUG2_TRUE
+#include <iostream>
+#define MSDD_DEBUG2(x) std::cout << x << std::endl;
+#else
+#define MSDD_DEBUG2(x)
+#endif
+
+#include <msdd_source_c.h>
+#include <gr_io_signature.h>
+
+namespace {
+	static const int NBASIC_SAMPLES_PER_ITEM = 2;	// I & Q
+};
+
+msdd_source_c_sptr
+msdd_make_source_c (int which_board, 
+            int opp_mode,
+            const char *src, 
+            unsigned short port_src
+		     ) throw (std::runtime_error)
+{
+  return msdd_source_c_sptr (new msdd_source_c (
+  						which_board,
+					    opp_mode,
+						src,
+						port_src
+						));
+}
+
+
+msdd_source_c::msdd_source_c (int which_board,
+				int opp_mode,
+	            const char *src, 
+	            unsigned short port_src
+				) throw (std::runtime_error)
+  : msdd_source_base ("msdd_source_c",
+		       gr_make_io_signature (1, 1, 2 * sizeof (int)),
+		       which_board, opp_mode, src, port_src
+		       )
+{
+
+  switch (sizeof_basic_sample()) {	
+  case 4:
+	  d_buffer_copy_behavior.reset(
+	   new msdd::BufferCopyBehaviorComplex <short> ());
+    break;
+  default:
+    assert(false);    
+  }				  
+  
+}
+
+msdd_source_c::~msdd_source_c ()
+{
+}
+
+int
+msdd_source_c::ninput_bytes_reqd_for_noutput_items (int noutput_items)
+{
+  return noutput_items * NBASIC_SAMPLES_PER_ITEM * sizeof_basic_sample();
+}
+
+/*
+ * Copy 8 bit fft from mdss buffer into output buffer
+ */
+void
+msdd_source_c::copy_from_msdd_buffer (gr_vector_void_star &output_items,
+				       int output_index,
+				       int output_items_available,
+				       int &output_items_produced,
+				       const void *msdd_buffer,
+				       int buffer_length,
+				       int &bytes_read)
+{
+  unsigned nmsdd_bytes_per_item = NBASIC_SAMPLES_PER_ITEM * sizeof_basic_sample();
+  
+  unsigned int nitems = std::min (output_items_available,
+			 (int)(buffer_length / nmsdd_bytes_per_item));
+
+  (*d_buffer_copy_behavior.get())(output_items, msdd_buffer, output_index, nitems);
+
+  output_items_produced = nitems;
+  bytes_read = nitems * nmsdd_bytes_per_item;
+}