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/* -*- c++ -*- */
/*
* Copyright 2017 Daniel Estevez <daniel@destevez.net>
*
* This file is part of gr-satellites
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_SATELLITES_NUSAT_DECODER_IMPL_H
#define INCLUDED_SATELLITES_NUSAT_DECODER_IMPL_H
#include <pmt/pmt.h>
#include <satellites/nusat_decoder.h>
#include <stdint.h>
#include <array>
#include "rs.h"
namespace gr {
namespace satellites {
class nusat_decoder_impl : public nusat_decoder
{
private:
constexpr static size_t d_msg_len = 64;
constexpr static size_t d_header_len = 2;
constexpr static size_t d_len_byte = 0;
constexpr static size_t d_crc_byte = 1;
static const uint8_t d_scrambler_sequence[];
static const uint_fast8_t crc8_table[];
void* d_rs;
std::array<uint8_t, MAX_FRAME_LEN> d_data;
uint_fast8_t crc8(const uint8_t* data, size_t data_len);
public:
nusat_decoder_impl();
~nusat_decoder_impl();
// Where all the action really happens
void forecast(int noutput_items, gr_vector_int& ninput_items_required);
int general_work(int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items);
void msg_handler(pmt::pmt_t pmt_msg);
};
} // namespace satellites
} // namespace gr
#endif /* INCLUDED_SATELLITES_NUSAT_DECODER_IMPL_H */
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