/* * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc. * Copyright (C) 2023 Mark Thompson * * 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 __ERT_PACKET_H__ #define __ERT_PACKET_H__ #include <cstdint> #include <cstddef> #include "field_reader.hpp" #include "baseband_packet.hpp" #include "manchester.hpp" namespace ert { using ID = uint32_t; using Consumption = uint32_t; using CommodityType = uint32_t; using TamperFlags = uint32_t; constexpr ID invalid_id = 0; constexpr CommodityType invalid_commodity_type = -1; constexpr Consumption invalid_consumption = 0; constexpr TamperFlags invalid_tamper_flags = 0; class Packet { public: enum class Type : uint32_t { Unknown = 0, IDM = 1, SCM = 2, SCMPLUS = 3, }; Packet( const Type type, const baseband::Packet& packet) : packet_{packet}, decoder_{packet_}, reader_{decoder_}, type_{type} { } size_t length() const; bool is_valid() const; Timestamp received_at() const; Type type() const; ID id() const; CommodityType commodity_type() const; Consumption consumption() const; TamperFlags tamper_flags() const; FormattedSymbols symbols_formatted() const; bool crc_ok() const; private: using Reader = FieldReader<ManchesterDecoder, BitRemapNone>; const baseband::Packet packet_; const ManchesterDecoder decoder_; const Reader reader_; const Type type_; bool crc_ok_ccitt() const; bool crc_ok_scm() const; }; } /* namespace ert */ #endif /*__ERT_PACKET_H__*/