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sdrangel/plugins/channeltx/modnfm/nfmmoddcs.h
2024-09-05 13:37:46 +03:00

45 lines
2.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015-2016, 2018-2019, 2021 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_MODNFM_NFMMODDCS_H_
#define PLUGINS_CHANNELTX_MODNFM_NFMMODDCS_H_
class NFMModDCS
{
public:
NFMModDCS();
~NFMModDCS();
void reset();
void setDCS(int code);
void setPositive(bool positive);
void setSampleRate(int sampleRate);
int next(); //!< +1/-1 sample
private:
int m_dcsWord[23]; //!< current DCS word in transmit order including parity and filler 11 + 3 + 9
float m_step;
bool m_positive;
float m_bitPerStep;
static const float m_codeRate;
};
#endif // PLUGINS_CHANNELTX_MODNFM_NFMMODDCS_H_