gr-satnogs/lib/cw_encoder_impl.h

65 lines
1.7 KiB
C++

/* -*- c++ -*- */
/*
* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
*
* Copyright (C) 2017
* 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_CW_ENCODER_IMPL_H
#define INCLUDED_SATNOGS_CW_ENCODER_IMPL_H
#include <vector>
#include <string>
#include <satnogs/cw_encoder.h>
#include <satnogs/morse.h>
#include <gnuradio/fxpt_nco.h>
namespace gr {
namespace satnogs {
class cw_encoder_impl : public cw_encoder {
private:
const double d_samp_rate;
const double d_cw_freq;
const size_t d_wpm;
const size_t d_dot_samples;
size_t d_window_size;
size_t d_windows_remaining;
morse_symbol_t d_cw_symbol;
gr::fxpt_nco d_nco;
std::string
get_cw_symbol(char c);
public:
cw_encoder_impl(double samp_rate, double cw_freq, size_t wpm);
~cw_encoder_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);
};
} // namespace satnogs
} // namespace gr
#endif /* INCLUDED_SATNOGS_CW_ENCODER_IMPL_H */