mayhem-firmware/firmware/baseband/proc_adsbrx.hpp
furrtek 57c759627d Fixed mic tx not working the first time it was entered
Fixed SD card FAT wipe (buffer size too big)
Cleared some warnings from ADSB rx
Updated binary
2018-02-01 11:17:51 +00:00

65 lines
1.9 KiB
C++

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
*
* This file is part of PortaPack.
*
* This program 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 2, or (at your option)
* any later version.
*
* This program 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 program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PROC_ADSBRX_H__
#define __PROC_ADSBRX_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "rssi_thread.hpp"
#include "adsb_frame.hpp"
using namespace adsb;
#define ADSB_PREAMBLE_LENGTH 16
class ADSBRXProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const message) override;
private:
static constexpr float k = 1.0f / 128.0f;
static constexpr size_t baseband_fs = 2000000;
BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive };
RSSIThread rssi_thread { NORMALPRIO + 10 };
ADSBFrame frame { };
bool configured { false };
float prev_mag { 0 };
float threshold { }, threshold_low { }, threshold_high { };
size_t null_count { 0 }, bit_count { 0 }, sample_count { 0 };
std::pair<float, uint8_t> shifter[ADSB_PREAMBLE_LENGTH];
bool decoding { };
bool preamble { }, active { };
uint16_t bit_pos { 0 };
uint8_t cur_bit { 0 };
uint32_t sample { 0 };
int8_t re { }, im { };
};
#endif