89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/* -*- 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 "psk_rx_impl.h"
|
|
|
|
namespace gr {
|
|
namespace kcsa {
|
|
|
|
psk_rx::sptr
|
|
psk_rx::make(int _mod, int sps, float sym_rate, float sym_rate_dev, float sym_bw, float carr_rate, float carr_rate_dev, float carr_bw)
|
|
{
|
|
return gnuradio::get_initial_sptr
|
|
(new psk_rx_impl(_mod, sps, sym_rate, sym_rate_dev, sym_bw, carr_rate, carr_rate_dev, carr_bw));
|
|
}
|
|
|
|
/*
|
|
* The private constructor
|
|
*/
|
|
psk_rx_impl::psk_rx_impl(int _mod, int sps, float sym_rate, float sym_rate_dev, float sym_bw, float carr_rate, float carr_rate_dev, float carr_bw)
|
|
: gr::block("psk_rx",
|
|
gr::io_signature::make(1, 1, sizeof(gr_complex)),
|
|
gr::io_signature::make(1, 1, sizeof(gr_complex))),
|
|
d_rx((enum psk_rx_cc::mod_type)_mod, sps, sym_rate, sym_rate_dev, sym_bw, carr_rate, carr_rate_dev, carr_bw),
|
|
d_sps(sps),
|
|
d_sym_rate(sym_rate)
|
|
{
|
|
|
|
}
|
|
|
|
/*
|
|
* Our virtual destructor.
|
|
*/
|
|
psk_rx_impl::~psk_rx_impl()
|
|
{
|
|
}
|
|
|
|
void
|
|
psk_rx_impl::forecast (int noutput_items, gr_vector_int &ninput_items_required)
|
|
{
|
|
/* <+forecast+> e.g. ninput_items_required[0] = noutput_items */
|
|
ninput_items_required[0] = floor(noutput_items / d_sym_rate * d_sps) + 1;
|
|
}
|
|
|
|
int
|
|
psk_rx_impl::general_work (int noutput_items,
|
|
gr_vector_int &ninput_items,
|
|
gr_vector_const_void_star &input_items,
|
|
gr_vector_void_star &output_items)
|
|
{
|
|
const gr_complex *in = (const gr_complex *) input_items[0];
|
|
gr_complex *out = (gr_complex *) output_items[0];
|
|
|
|
int consumed, produced;
|
|
d_rx.work(in, ninput_items[0], &consumed, out, noutput_items, &produced);
|
|
|
|
// Do <+signal processing+>
|
|
// Tell runtime system how many input items we consumed on
|
|
// each input stream.
|
|
consume_each (consumed);
|
|
|
|
// Tell runtime system how many output items we produced.
|
|
return produced;
|
|
}
|
|
|
|
} /* namespace kcsa */
|
|
} /* namespace gr */
|