gr-lora/lib/channelizer_impl.h

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/* -*- c++ -*- */
/*
* Copyright 2017 Pieter Robyns.
*
* 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_LORA_CHANNELIZER_IMPL_H
#define INCLUDED_LORA_CHANNELIZER_IMPL_H
#include <lora/channelizer.h>
#include <lora/controller.h>
#include <gnuradio/filter/freq_xlating_fir_filter.h>
#include <gnuradio/filter/mmse_resampler_cc.h>
#include <gnuradio/filter/firdes.h>
namespace gr {
namespace lora {
class channelizer_impl : public channelizer {
private:
gr::filter::freq_xlating_fir_filter_ccf::sptr d_xlating_fir_filter;
//gr::filter::fractional_resampler_cc::sptr d_resampler;
std::vector<float> d_lpf;
float d_cfo;
uint32_t d_freq_offset;
gr::lora::controller::sptr d_controller;
public:
channelizer_impl(float samp_rate, float center_freq, std::vector<float> channel_list, uint32_t bandwidth, uint32_t decimation);
~channelizer_impl();
void apply_cfo(float cfo);
// Where all the action really happens
};
} // namespace lora
} // namespace gr
#endif /* INCLUDED_LORA_CHANNELIZER_IMPL_H */