tagged_burst_to_pdu_impl.h

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/* -*- c++ -*- */
/*
 * Copyright 2020 Free Software Foundation, Inc.
 *
 * 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_IRIDIUM_TAGGED_BURST_TO_PDU_IMPL_H
#define INCLUDED_IRIDIUM_TAGGED_BURST_TO_PDU_IMPL_H
 
#include <iridium/tagged_burst_to_pdu.h>
 
namespace gr {
namespace iridium {
 
struct burst_data {
    uint64_t id;
    double offset;
    float magnitude;
    float relative_frequency;
    double center_frequency;
    float sample_rate;
    uint64_t timestamp;
    float noise;
    size_t len;
    gr_complex* data;
};
 
class tagged_burst_to_pdu_impl : public tagged_burst_to_pdu
{
private:
    bool d_debug;
    float d_relative_center_frequency;
    float d_relative_span;
    float d_relative_sample_rate;
    double d_sample_offset;
    int d_max_burst_size;
    int d_outstanding;
    int d_max_outstanding;
    int d_outstanding_limit;
    uint64_t d_n_dropped_bursts;
    bool d_drop_overflow;
    bool d_blocked;
 
    float d_lower_border;
    float d_upper_border;
 
    std::map<uint64_t, burst_data> d_bursts;
 
    void append_to_burst(burst_data& burst, const gr_complex* data, size_t n);
    void publish_burst(burst_data& burst);
 
    void create_new_bursts(int noutput_items, const gr_complex* in);
    void publish_and_remove_old_bursts(int noutput_items, const gr_complex* in);
    void update_current_bursts(int noutput_items, const gr_complex* in);
 
    int get_output_queue_size();
    int get_output_max_queue_size();
    void burst_handled(pmt::pmt_t msg);
 
public:
    tagged_burst_to_pdu_impl(int max_burst_size,
                             float relative_center_frequency,
                             float relative_span,
                             float d_relative_sample_rate,
                             double sample_offset,
                             int outstanding_limit,
                             bool drop_overflow);
    ~tagged_burst_to_pdu_impl();
 
    uint64_t get_n_dropped_bursts();
 
    // 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 iridium
} // namespace gr
 
#endif /* INCLUDED_IRIDIUM_TAGGED_BURST_TO_PDU_IMPL_H */