HackRF-Treasure-Chest/Software/portapack-mayhem/firmware/common/acars_packet.hpp

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2022-09-22 18:26:57 +02:00
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2018 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 __ACARS_PACKET_H__
#define __ACARS_PACKET_H__
#include "baseband_packet.hpp"
#include "field_reader.hpp"
#include <cstdint>
#include <cstddef>
#include <string>
namespace acars {
class Packet {
public:
constexpr Packet(
const baseband::Packet& packet
) : packet_ { packet },
field_ { packet_ }
{
}
size_t length() const;
bool is_valid() const;
Timestamp received_at() const;
uint8_t block_id() const;
std::string registration_number() const;
uint32_t read(const size_t start_bit, const size_t length) const;
//std::string text(const size_t start_bit, const size_t character_count) const;
bool crc_ok() const;
private:
using Reader = FieldReader<baseband::Packet, BitRemapByteReverse>;
using CRCReader = FieldReader<baseband::Packet, BitRemapNone>;
const baseband::Packet packet_;
const Reader field_;
const size_t fcs_length = 16;
size_t data_and_fcs_length() const;
size_t data_length() const;
bool length_valid() const;
};
} /* namespace acars */
#endif/*__ACARS_PACKET_H__*/