mirror of https://github.com/hb9fxq/gr-digitalhf
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/* -*- c++ -*- */
|
|
/*
|
|
* Copyright 2019 hcab14@gmail.com.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef INCLUDED_DIGITALHF_OQPSK_DEMODULATOR_IMPL_H
|
|
#define INCLUDED_DIGITALHF_OQPSK_DEMODULATOR_IMPL_H
|
|
|
|
#include <gnuradio/blocks/control_loop.h>
|
|
|
|
#include <digitalhf/oqpsk_demodulator.h>
|
|
|
|
namespace gr {
|
|
namespace digitalhf {
|
|
|
|
class my_control_loop : public blocks::control_loop {
|
|
public:
|
|
my_control_loop(float loop_bw, float max_freq, float min_freq)
|
|
: blocks::control_loop(loop_bw, max_freq, min_freq) {}
|
|
virtual ~my_control_loop();
|
|
|
|
virtual void phase_wrap(float x);
|
|
protected:
|
|
} ;
|
|
|
|
class oqpsk_demodulator_impl : public oqpsk_demodulator
|
|
{
|
|
private:
|
|
my_control_loop _pll_plus;
|
|
my_control_loop _pll_minus;
|
|
|
|
float _soft_dec_x;
|
|
float _soft_dec_y;
|
|
float _soft_dec_x_last;
|
|
float _soft_dec_y_last;
|
|
float _code_cos_last;
|
|
float _code_sin_last;
|
|
public:
|
|
oqpsk_demodulator_impl(float fs,
|
|
float fd,
|
|
float loop_bw,
|
|
float df);
|
|
virtual ~oqpsk_demodulator_impl();
|
|
|
|
int general_work(int noutput_items,
|
|
gr_vector_int& ninput_items,
|
|
gr_vector_const_void_star &input_items,
|
|
gr_vector_void_star &output_items);
|
|
|
|
protected:
|
|
|
|
};
|
|
|
|
} // namespace digitalhf
|
|
} // namespace gr
|
|
|
|
#endif /* INCLUDED_DIGITALHF_OQPSK_DEMODULATOR_IMPL_H */
|