mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2017 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program 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 2, or (at your option)
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* any later version.
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*
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* This program 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 program; 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 __PROC_ADSBRX_H__
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#define __PROC_ADSBRX_H__
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#include "baseband_processor.hpp"
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#include "baseband_thread.hpp"
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#include "rssi_thread.hpp"
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#include "adsb_frame.hpp"
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using namespace adsb;
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#define ADSB_PREAMBLE_LENGTH 16
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class ADSBRXProcessor : public BasebandProcessor {
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public:
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void execute(const buffer_c8_t& buffer) override;
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void on_message(const Message* const message) override;
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private:
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static constexpr size_t baseband_fs = 2000000;
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ADSBFrame frame{};
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bool configured{false};
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uint32_t prev_mag{0};
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size_t bit_count{0}, sample_count{0};
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size_t msgLen{112};
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uint32_t shifter[ADSB_PREAMBLE_LENGTH + 1];
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bool decoding{};
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bool preamble{}, active{};
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uint16_t bit_pos{0};
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uint8_t cur_bit{0};
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uint32_t sample{0};
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int32_t re{}, im{};
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int32_t amp{0};
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/* NB: Threads should be the last members in the class definition. */
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BasebandThread baseband_thread{baseband_fs, this, baseband::Direction::Receive};
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RSSIThread rssi_thread{};
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};
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#endif
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