gr-satnogs/lib/leo_channel_impl.cc

80 lines
2.2 KiB
C++

/* -*- c++ -*- */
/*
* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
*
* Copyright (C) 2016, Libre Space Foundation <http://librespacefoundation.org/>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gnuradio/io_signature.h>
#include "leo_channel_impl.h"
namespace gr
{
namespace satnogs
{
leo_channel::sptr
leo_channel::make (const double freq, const double samp_rate,
const double sat_altitude, const double sat_inclination,
const size_t pass_duration_sec,
const size_t freq_shifts_per_sec)
{
return gnuradio::get_initial_sptr (
new leo_channel_impl (freq, freq_shifts_per_sec));
}
/*
* The private constructor
*/
leo_channel_impl::leo_channel_impl (const double freq,
const size_t freq_shifts_per_sec) :
gr::sync_block ("leo_channel",
gr::io_signature::make (1, 1, sizeof(gr_complex)),
gr::io_signature::make (1, 1, sizeof(gr_complex))),
d_freq (freq),
d_shifts_per_sec (freq_shifts_per_sec)
{
}
/*
* Our virtual destructor.
*/
leo_channel_impl::~leo_channel_impl ()
{
}
int
leo_channel_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];
gr_complex *out = (gr_complex *) output_items[0];
// Do <+signal processing+>
// Tell runtime system how many output items we produced.
return noutput_items;
}
} /* namespace satnogs */
} /* namespace gr */