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DMRDMOTX.h
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DMRDMOTX.h
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/*
* Copyright (C) 2015,2016,2017,2020 by Jonathan Naylor G4KLX
* Copyright (C) 2016 by Colin Durbridge G4EML
*
* 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 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(MODE_DMR)
#if !defined(DMRDMOTX_H)
#define DMRDMOTX_H
#include "DMRDefines.h"
#include "RingBuffer.h"
class CDMRDMOTX {
public:
CDMRDMOTX();
uint8_t writeData(const uint8_t* data, uint16_t length);
void process();
void setTXDelay(uint8_t delay);
uint8_t getSpace() const;
private:
CRingBuffer<uint8_t> m_fifo;
arm_fir_interpolate_instance_q15 m_modFilter;
q15_t m_modState[16U]; // blockSize + phaseLength - 1, 4 + 9 - 1 plus some spare
uint8_t m_poBuffer[1200U];
uint16_t m_poLen;
uint16_t m_poPtr;
uint32_t m_txDelay;
void writeByte(uint8_t c);
};
#endif
#endif