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

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2022-09-22 18:26:57 +02:00
/*
* 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__*/