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/* -*- c++ -*- */
/*
* Copyright 2018 <+YOU OR YOUR COMPANY+>.
*
* This 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.
*
* This software 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 this software; 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 <gnuradio/io_signature.h>
#include "control_stream_to_tag_cc_impl.h"
namespace gr {
namespace dab {
control_stream_to_tag_cc::sptr
control_stream_to_tag_cc::make(const std::string &tag_str, int vlen)
{
return gnuradio::get_initial_sptr
(new control_stream_to_tag_cc_impl(tag_str, vlen));
}
/*
* The private constructor
*/
control_stream_to_tag_cc_impl::control_stream_to_tag_cc_impl(const std::string &tag_str, int vlen)
: gr::sync_block("control_stream_to_tag_cc",
gr::io_signature::make2(2, 2, sizeof(gr_complex)*vlen, sizeof(char)),
gr::io_signature::make (1, 1, sizeof(gr_complex)*vlen))
{
d_vlen = vlen;
d_stream_tag = pmt::intern(tag_str);
}
/*
* Our virtual destructor.
*/
control_stream_to_tag_cc_impl::~control_stream_to_tag_cc_impl()
{
}
int
control_stream_to_tag_cc_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const gr_complex *in = (const gr_complex *) input_items[0];
const char *in_control = (const char *) input_items[1];
gr_complex *out = (gr_complex *) output_items[0];
for(int i=0;i<noutput_items;i++) {
if(in_control[i] == 1) {
add_item_tag(0, nitems_written(0) + i, d_stream_tag, pmt::intern(""), pmt::intern("control_stream_to_tag_cc"));
}
}
memcpy(out, in, sizeof(gr_complex)*d_vlen*noutput_items);
// Tell runtime system how many output items we produced.
return noutput_items;
}
} /* namespace dab */
} /* namespace gr */
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