--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2008 Free Software Foundation, Inc.
+ *
+ * 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 <gr_encode_ccsds_27_bb.h>
+#include <gr_io_signature.h>
+
+extern "C" {
+#include <../viterbi/viterbi.h>
+}
+
+gr_encode_ccsds_27_bb_sptr
+gr_make_encode_ccsds_27_bb()
+{
+ return gr_encode_ccsds_27_bb_sptr(new gr_encode_ccsds_27_bb());
+}
+
+gr_encode_ccsds_27_bb::gr_encode_ccsds_27_bb()
+ : gr_sync_interpolator("encode_ccsds_27_bb",
+ gr_make_io_signature(1, 1, sizeof(char)),
+ gr_make_io_signature(1, 1, sizeof(char)),
+ 16) // Rate 1/2 code, packed to unpacked conversion
+{
+ d_encstate = 0;
+}
+
+gr_encode_ccsds_27_bb::~gr_encode_ccsds_27_bb()
+{
+}
+
+int
+gr_encode_ccsds_27_bb::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+{
+ unsigned char *in = (unsigned char *)input_items[0];
+ unsigned char *out = (unsigned char *)output_items[0];
+
+ d_encstate = encode(out, in, noutput_items/16, d_encstate);
+
+ return noutput_items;
+}