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sdrangel/plugins/channeltx/modchirpchat/chirpchatmodencoder.h
2024-03-30 10:42:01 +01:00

58 lines
2.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2016-2020 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 PLUGINS_CHANNELTX_MODCHIRPCHAT_CHIRPCHATMODENCODER_H_
#define PLUGINS_CHANNELTX_MODCHIRPCHAT_CHIRPCHATMODENCODER_H_
#include <vector>
#include "chirpchatmodsettings.h"
class ChirpChatModEncoder
{
public:
ChirpChatModEncoder();
~ChirpChatModEncoder();
void setCodingScheme(ChirpChatModSettings::CodingScheme codingScheme) { m_codingScheme = codingScheme; }
void setNbSymbolBits(unsigned int spreadFactor, unsigned int deBits);
void setLoRaParityBits(unsigned int parityBits) { m_nbParityBits = parityBits; }
void setLoRaHasHeader(bool hasHeader) { m_hasHeader = hasHeader; }
void setLoRaHasCRC(bool hasCRC) { m_hasCRC = hasCRC; }
void encodeBytes(const QByteArray& bytes, std::vector<unsigned short>& symbols);
void encode(ChirpChatModSettings settings, std::vector<unsigned short>& symbols);
private:
void encodeString(const QString& str, std::vector<unsigned short>& symbols);
// LoRa functions
void encodeBytesLoRa(const QByteArray& bytes, std::vector<unsigned short>& symbols);
// General attributes
ChirpChatModSettings::CodingScheme m_codingScheme;
unsigned int m_spreadFactor;
unsigned int m_deBits;
unsigned int m_nbSymbolBits;
// LoRa attributes
unsigned int m_nbParityBits; //!< 1 to 4 Hamming FEC bits for 4 payload bits
bool m_hasCRC;
bool m_hasHeader;
};
#endif // PLUGINS_CHANNELTX_MODCHIRPCHAT_CHIRPCHATMODENCODER_H_