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sdrangel/plugins/channelrx/demodchirpchat/chirpchatdemoddecoderft.h

65 lines
2.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2024 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// //
// 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 as version 3 of the License, 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 V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_CHIRPCHATDEMODDECODERFT_H
#define INCLUDE_CHIRPCHATDEMODDECODERFT_H
#include <vector>
#include <string>
namespace FT8 {
class FT8Params;
}
class ChirpChatDemodDecoderFT
{
public:
enum ParityStatus
{
ParityUndefined,
ParityError,
ParityCorrected,
ParityOK
};
static void decodeSymbols(
const std::vector<std::vector<float>>& mags, // vector of symbols magnitudes
int nbSymbolBits, //!< number of bits per symbol
std::string& msg, //!< formatted message
std::string& call1, //!< 1st callsign or shorthand
std::string& call2, //!< 2nd callsign
std::string& loc, //!< locator, report or shorthand
bool& reply, //!< true if message is a reply report
int& payloadParityStatus,
bool& payloadCRCStatus
);
private:
static int decodeWithShift(
FT8::FT8Params& params,
std::vector<std::vector<float>>& mags,
int nbSymbolBits,
int *r174,
std::string& comments,
int shift = 0
);
static void deinterleave174(float ll174[]);
};
#endif