kopia lustrzana https://github.com/proto17/dji_droneid
76 wiersze
2.3 KiB
C++
76 wiersze
2.3 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2022 gr-droneid author.
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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_DRONEID_LTE_DECODE_H
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#define INCLUDED_DRONEID_LTE_DECODE_H
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#include <droneid/api.h>
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#include <vector>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <turbofec/rate_match.h>
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#include <turbofec/turbo.h>
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#ifdef __cplusplus
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}
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#endif
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// This line is required before the include of CRC.h so that it actually loads the CRC_24_LTEA definition
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#define CRCPP_INCLUDE_ESOTERIC_CRC_DEFINITIONS
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#include <CRC.h>
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namespace gr {
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namespace droneid {
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/*!
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* \brief <+description+>
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*
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*/
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class DRONEID_API lte_decode {
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protected:
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static constexpr uint32_t TURBO_ITERATIONS = 4;
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static constexpr uint32_t TURBO_DECODER_BIT_COUNT = 1412;
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static constexpr uint32_t TURBO_DECODER_INPUT_BIT_COUNT = 7200;
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static constexpr uint32_t EXPECTED_PAYLOAD_BYTES = 176;
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static constexpr uint32_t EXPECTED_PAYLOAD_BITS = EXPECTED_PAYLOAD_BYTES * 8;
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std::vector<int8_t> d1_, d2_, d3_;
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std::vector<int8_t> turbo_decoder_input_;
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std::vector<uint8_t> decoded_bytes_;
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struct lte_rate_matcher * rate_matcher_ = nullptr;
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struct tdecoder * turbo_decoder_ = nullptr;
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struct lte_rate_matcher_io rate_matcher_io_;
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public:
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lte_decode();
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~lte_decode();
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std::vector<uint8_t> decode(const std::vector<int8_t> & bits);
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};
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} // namespace droneid
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} // namespace gr
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#endif /* INCLUDED_DRONEID_LTE_DECODE_H */
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