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