From 3d38e82e7d87dfc01132b199e33b53add8a706fa Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Fri, 15 Mar 2013 20:49:05 -0400
Subject: atsc: adjustments to atsc to start to conform to v3.7 structure.
Not going to comply completely with the new structure; just wanted to get it so that it looked more consistent once installed.
---
gr-atsc/include/atsc/equalizer_lms2_impl.h | 80 ++++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
create mode 100644 gr-atsc/include/atsc/equalizer_lms2_impl.h
(limited to 'gr-atsc/include/atsc/equalizer_lms2_impl.h')
diff --git a/gr-atsc/include/atsc/equalizer_lms2_impl.h b/gr-atsc/include/atsc/equalizer_lms2_impl.h
new file mode 100644
index 0000000000..ebd6c13d0f
--- /dev/null
+++ b/gr-atsc/include/atsc/equalizer_lms2_impl.h
@@ -0,0 +1,80 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2002 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.
+ */
+
+#ifndef _ATSC_EQUALIZER_LMS2_H_
+#define _ATSC_EQUALIZER_LMS2_H_
+
+#include <atsc/api.h>
+#include <atsc/equalizer_impl.h>
+#include <vector>
+#include <stdio.h>
+
+class ATSC_API atsci_equalizer_lms2 : public atsci_equalizer
+{
+public:
+ atsci_equalizer_lms2 ();
+ virtual ~atsci_equalizer_lms2 ();
+
+ virtual void reset ();
+ virtual int ntaps () const;
+ virtual int npretaps () const;
+
+protected:
+ FILE *trainingfile;
+ virtual void filter_normal (const float *input_samples,
+ float *output_samples,
+ int nsamples);
+
+ virtual void filter_data_seg_sync (const float *input_samples,
+ float *output_samples,
+ int nsamples,
+ int offset);
+
+ virtual void filter_field_sync (const float *input_samples,
+ float *output_samples,
+ int nsamples,
+ int offset,
+ int which_field);
+
+private:
+ std::vector<double> d_taps_ff;
+ std::vector<double> d_taps_fb;
+ std::vector<float> d_old_output;
+
+ int d_output_ptr;
+
+ void filterN (const float *input_samples,
+ float *output_samples,
+ int nsamples);
+
+ void adaptN (const float *input_samples,
+ const float *training_pattern,
+ float *output_samples,
+ int nsamples);
+
+ float filter1 (const float input[]);
+ float adapt1 (const float input[], float ideal_output);
+
+};
+
+
+#endif /* _ATSC_EQUALIZER_LMS2_H_ */
--
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