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109 lines
3.1 KiB
109 lines
3.1 KiB
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Digital Voice Modem - Common Library
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright (C) 2015,2016 Jonathan Naylor, G4KLX
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*
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*/
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/**
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* @file Hamming.h
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* @ingroup edac
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* @file Hamming.cpp
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* @ingroup edac
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*/
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#if !defined(__HAMMING_H__)
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#define __HAMMING_H__
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#include "Defines.h"
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namespace edac
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// ---------------------------------------------------------------------------
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/**
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* @brief Implements Hamming (15,11,3), (13,9,3), (10,6,3), (16,11,4) and
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* (17, 12, 3) forward error correction.
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* @ingroup edac
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*/
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class HOST_SW_API Hamming {
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public:
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/**
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* @brief Decode Hamming (15,11,3).
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* @param d Boolean bit array.
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* @returns bool True, if bit errors are detected, otherwise false.
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*/
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static bool decode15113_1(bool* d);
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/**
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* @brief Encode Hamming (15,11,3).
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* @param d Boolean bit array.
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*/
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static void encode15113_1(bool* d);
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/**
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* @brief Decode Hamming (15,11,3).
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* @param d Boolean bit array.
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* @returns bool True, if bit errors are detected, otherwise false.
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*/
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static bool decode15113_2(bool* d);
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/**
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* @brief Encode Hamming (15,11,3).
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* @param d Boolean bit array.
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*/
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static void encode15113_2(bool* d);
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/**
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* @brief Decode Hamming (13,9,3).
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* @param d Boolean bit array.
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* @returns bool True, if bit errors are detected, otherwise false.
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*/
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static bool decode1393(bool* d);
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/**
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* @brief Encode Hamming (13,9,3).
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* @param d Boolean bit array.
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*/
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static void encode1393(bool* d);
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/**
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* @brief Decode Hamming (10,6,3).
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* @param d Boolean bit array.
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* @returns bool True, if bit errors are detected, otherwise false.
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*/
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static bool decode1063(bool* d);
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/**
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* @brief Encode Hamming (10,6,3).
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* @param d Boolean bit array.
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*/
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static void encode1063(bool* d);
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/**
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* @brief Decode Hamming (16,11,4).
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* @param d Boolean bit array.
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* @returns bool True, if bit errors are detected, otherwise false.
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*/
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static bool decode16114(bool* d);
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/**
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* @brief Encode Hamming (16,11,4).
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* @param d Boolean bit array.
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*/
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static void encode16114(bool* d);
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/**
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* @brief Decode Hamming (17,12,3).
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* @param d Boolean bit array.
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* @returns bool True, if bit errors are detected, otherwise false.
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*/
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static bool decode17123(bool* d);
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/**
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* @brief Encode Hamming (17,12,3).
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* @param d Boolean bit array.
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*/
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static void encode17123(bool* d);
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};
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} // namespace edac
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#endif // __HAMMING_H__
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