/* * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc. * * 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 __MANCHESTER_H__ #define __MANCHESTER_H__ #include <cstdint> #include <cstddef> #include <bitset> #include <string> #include "baseband_packet.hpp" struct DecodedSymbol { uint_fast8_t value; uint_fast8_t error; }; class ManchesterBase { public: constexpr ManchesterBase( const baseband::Packet& packet, const size_t sense = 0 ) : packet { packet }, sense { sense } { } virtual DecodedSymbol operator[](const size_t index) const = 0; virtual size_t symbols_count() const; virtual ~ManchesterBase() { }; protected: const baseband::Packet& packet; const size_t sense; }; class ManchesterDecoder : public ManchesterBase { public: using ManchesterBase::ManchesterBase; DecodedSymbol operator[](const size_t index) const; }; class BiphaseMDecoder : public ManchesterBase { public: using ManchesterBase::ManchesterBase; DecodedSymbol operator[](const size_t index) const; }; template<typename T> T operator|(const T& l, const DecodedSymbol& r) { return l | r.value; } struct FormattedSymbols { const std::string data; const std::string errors; }; FormattedSymbols format_symbols( const ManchesterBase& decoder ); void manchester_encode(uint8_t * dest, uint8_t * src, const size_t length, const size_t sense = 0); #endif/*__MANCHESTER_H__*/