MMDVM/DMRTX.h

78 lines
2.2 KiB
C++

/*
* Copyright (C) 2015,2016 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.
*/
#if !defined(DMRTX_H)
#define DMRTX_H
#include "Config.h"
#include "DMRDefines.h"
#include "SerialRB.h"
enum DMRTXSTATE {
DMRTXSTATE_IDLE,
DMRTXSTATE_SLOT1,
DMRTXSTATE_CACH1,
DMRTXSTATE_SLOT2,
DMRTXSTATE_CACH2,
DMRTXSTATE_CAL
};
class CDMRTX {
public:
CDMRTX();
uint8_t writeData1(const uint8_t* data, uint8_t length);
uint8_t writeData2(const uint8_t* data, uint8_t length);
uint8_t writeShortLC(const uint8_t* data, uint8_t length);
void setStart(bool start);
void setCal(bool start);
void process();
uint16_t getSpace1() const;
uint16_t getSpace2() const;
void setColorCode(uint8_t colorCode);
private:
CSerialRB m_fifo[2U];
arm_fir_instance_q15 m_modFilter;
q15_t m_modState[70U]; // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
DMRTXSTATE m_state;
uint8_t m_idle[DMR_FRAME_LENGTH_BYTES];
uint8_t m_cachPtr;
uint8_t m_shortLC[12U];
uint8_t m_newShortLC[12U];
uint8_t m_markBuffer[40U];
uint8_t m_poBuffer[40U];
uint16_t m_poLen;
uint16_t m_poPtr;
uint32_t m_count;
void createData(uint8_t slotIndex);
void createCACH(uint8_t txSlotIndex, uint8_t rxSlotIndex);
void createCal();
void writeByte(uint8_t c, uint8_t control);
};
#endif