3 * Copyright 2006,2010 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
27 #include <atsc_ds_to_softds.h>
28 #include <gr_io_signature.h>
29 #include <atsc_consts.h>
32 atsc_ds_to_softds_sptr
33 atsc_make_ds_to_softds()
35 return gnuradio::get_initial_sptr(new atsc_ds_to_softds());
38 atsc_ds_to_softds::atsc_ds_to_softds()
39 : gr_sync_block("atsc_ds_to_softds",
40 gr_make_io_signature(1, 1, sizeof(atsc_data_segment)),
41 gr_make_io_signature(1, 1, sizeof(atsc_soft_data_segment)))
46 #define NELEM(x) (sizeof (x) / sizeof (x[0]))
49 atsc_ds_to_softds::map_to_soft_symbols (atsc_soft_data_segment &out,
50 const atsc_data_segment &in)
52 for (unsigned int i = 0; i < NELEM (in.data); i++){
53 out.data[i] = in.data[i] * 2 - 7;
59 atsc_ds_to_softds::work (int noutput_items,
60 gr_vector_const_void_star &input_items,
61 gr_vector_void_star &output_items)
63 const atsc_data_segment *in = (const atsc_data_segment *) input_items[0];
64 atsc_soft_data_segment *out = (atsc_soft_data_segment *) output_items[0];
66 for (int i = 0; i < noutput_items; i++){
68 out[i].pli = in[i].pli; // copy pipeline info...
69 map_to_soft_symbols(out[i], in[i]);