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https://github.com/eried/portapack-mayhem.git
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9d902bc224
Added tabs in RDS TX, multiple groups can be sent at once Bugfix: text not updating on UI after text prompt
65 lines
1.9 KiB
C++
65 lines
1.9 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 float k = 1.0f / 128.0f;
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static constexpr size_t baseband_fs = 2000000;
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BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive };
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RSSIThread rssi_thread { NORMALPRIO + 10 };
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ADSBFrame frame { };
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bool configured { false };
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float prev_mag { 0 };
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float threshold, threshold_low, threshold_high;
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size_t null_count, bit_count, sample_count;
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std::pair<float, uint8_t> shifter[ADSB_PREAMBLE_LENGTH];
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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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int8_t re { }, im { };
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};
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#endif
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