mirror of
https://github.com/hb9fxq/gr-digitalhf
synced 2024-12-22 15:10:00 +00:00
73 lines
2 KiB
C
73 lines
2 KiB
C
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/* -*- c++ -*- */
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/*
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* Copyright 2019 hcab14@gmail.com.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_DIGITALHF_OQPSK_DEMODULATOR_IMPL_H
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#define INCLUDED_DIGITALHF_OQPSK_DEMODULATOR_IMPL_H
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#include <gnuradio/blocks/control_loop.h>
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#include <digitalhf/oqpsk_demodulator.h>
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namespace gr {
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namespace digitalhf {
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class my_control_loop : public blocks::control_loop {
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public:
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my_control_loop(float loop_bw, float max_freq, float min_freq)
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: blocks::control_loop(loop_bw, max_freq, min_freq) {}
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virtual ~my_control_loop();
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virtual void phase_wrap(float x);
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protected:
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} ;
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class oqpsk_demodulator_impl : public oqpsk_demodulator
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{
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private:
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my_control_loop _pll_plus;
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my_control_loop _pll_minus;
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float _soft_dec_x;
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float _soft_dec_y;
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float _soft_dec_x_last;
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float _soft_dec_y_last;
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float _code_cos_last;
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float _code_sin_last;
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public:
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oqpsk_demodulator_impl(float fs,
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float fd,
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float loop_bw,
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float df);
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virtual ~oqpsk_demodulator_impl();
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int general_work(int noutput_items,
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gr_vector_int& ninput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items);
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protected:
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};
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} // namespace digitalhf
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} // namespace gr
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#endif /* INCLUDED_DIGITALHF_OQPSK_DEMODULATOR_IMPL_H */
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