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authorjcorgan2006-08-03 04:51:51 +0000
committerjcorgan2006-08-03 04:51:51 +0000
commit5d69a524f81f234b3fbc41d49ba18d6f6886baba (patch)
treeb71312bf7f1e8d10fef0f3ac6f28784065e73e72 /gr-atsc/src/lib/atsci_fake_single_viterbi.h
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Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
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+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _ATSCFAKESINGLEVITERBI_H_
+#define _ATSCFAKESINGLEVITERBI_H_
+
+/*!
+ * \brief single channel viterbi decoder
+ */
+class atsci_fake_single_viterbi
+{
+
+public:
+ atsci_fake_single_viterbi ();
+
+ /*!
+ * \p INPUT ideally takes on the values +/- 1,3,5,7
+ * return is decoded dibit in the range [0, 3]
+ */
+ char decode (float input);
+
+ void reset ();
+
+ //! internal delay of decoder
+ int delay () { return 0; }
+
+protected:
+ int post_coder_state;
+};
+
+#endif