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/* -*- c++ -*- */
/*
* Copyright 2006,2010 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
#include <atsc_ds_to_softds.h>
#include <gr_io_signature.h>
#include <atsc_consts.h>
atsc_ds_to_softds_sptr
atsc_make_ds_to_softds()
{
return gnuradio::get_initial_sptr(new atsc_ds_to_softds());
}
atsc_ds_to_softds::atsc_ds_to_softds()
: gr_sync_block("atsc_ds_to_softds",
gr_make_io_signature(1, 1, sizeof(atsc_data_segment)),
gr_make_io_signature(1, 1, sizeof(atsc_soft_data_segment)))
{
reset();
}
#define NELEM(x) (sizeof (x) / sizeof (x[0]))
void
atsc_ds_to_softds::map_to_soft_symbols (atsc_soft_data_segment &out,
const atsc_data_segment &in)
{
for (unsigned int i = 0; i < NELEM (in.data); i++){
out.data[i] = in.data[i] * 2 - 7;
}
}
int
atsc_ds_to_softds::work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const atsc_data_segment *in = (const atsc_data_segment *) input_items[0];
atsc_soft_data_segment *out = (atsc_soft_data_segment *) output_items[0];
for (int i = 0; i < noutput_items; i++){
out[i].pli = in[i].pli; // copy pipeline info...
map_to_soft_symbols(out[i], in[i]);
}
return noutput_items;
}
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