gr-satnogs/lib/sine_matched_filter_ff_impl.h

81 lines
2.1 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/>.
*/
#ifndef INCLUDED_SATNOGS_SINE_MATCHED_FILTER_FF_IMPL_H
#define INCLUDED_SATNOGS_SINE_MATCHED_FILTER_FF_IMPL_H
#include <satnogs/sine_matched_filter_ff.h>
namespace gr
{
namespace satnogs
{
class sine_matched_filter_ff_impl : public sine_matched_filter_ff
{
private:
/**
* The sampling rate of the signal
*/
const double d_samp_rate;
/**
* The baudrate of the system
*/
const double d_baud_rate;
/**
* If set to true, this block produces the energy of the filtered
* samples, rather the samples themselves
*/
const bool d_produce_enrg;
const size_t d_filter_taps;
float *d_sin_wave;
boost::mutex d_mutex;
void
new_freq_msg_handler (pmt::pmt_t msg);
public:
sine_matched_filter_ff_impl (double sampling_rate, double sine_freq,
double baudrate, bool compute_energy);
~sine_matched_filter_ff_impl ();
// Where all the action really happens
int
work (int noutput_items, gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
void
set_new_freq (double freq);
void
set_new_freq_locked (double freq);
};
} // namespace satnogs
} // namespace gr
#endif /* INCLUDED_SATNOGS_SINE_MATCHED_FILTER_FF_IMPL_H */