/
IO.h
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/
IO.h
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/*
* Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
*
* 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(IO_H)
#define IO_H
#include "Globals.h"
#include "SampleRB.h"
#include "RSSIRB.h"
class CIO {
public:
CIO();
void start();
void process();
void write(MMDVM_STATE mode, q15_t* samples, uint16_t length, const uint8_t* control = NULL);
uint16_t getSpace() const;
void setDecode(bool dcd);
void setADCDetection(bool detect);
void setMode();
void interrupt();
void setParameters(bool rxInvert, bool txInvert, bool pttInvert, uint8_t rxLevel, uint8_t cwIdTXLevel, uint8_t dstarTXLevel, uint8_t dmrTXLevel, uint8_t ysfTXLevel, uint8_t p25TXLevel, int16_t txDCOffset);
void getOverflow(bool& adcOverflow, bool& dacOverflow);
bool hasTXOverflow();
bool hasRXOverflow();
bool hasLockout() const;
void resetWatchdog();
uint32_t getWatchdog();
private:
bool m_started;
CSampleRB m_rxBuffer;
CSampleRB m_txBuffer;
CRSSIRB m_rssiBuffer;
arm_biquad_casd_df1_inst_q31 m_dcFilter;
q31_t m_dcState[4];
arm_fir_instance_q15 m_rrcFilter;
arm_fir_instance_q15 m_gaussianFilter;
arm_fir_instance_q15 m_boxcarFilter;
q15_t m_rrcState[70U]; // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
q15_t m_gaussianState[40U]; // NoTaps + BlockSize - 1, 12 + 20 - 1 plus some spare
q15_t m_boxcarState[30U]; // NoTaps + BlockSize - 1, 6 + 20 - 1 plus some spare
bool m_pttInvert;
q15_t m_rxLevel;
q15_t m_cwIdTXLevel;
q15_t m_dstarTXLevel;
q15_t m_dmrTXLevel;
q15_t m_ysfTXLevel;
q15_t m_p25TXLevel;
uint16_t m_txDCOffset;
uint32_t m_ledCount;
bool m_ledValue;
bool m_detect;
uint16_t m_adcOverflow;
uint16_t m_dacOverflow;
volatile uint32_t m_watchdog;
bool m_lockout;
// Hardware specific routines
void initInt();
void startInt();
bool getCOSInt();
void setLEDInt(bool on);
void setPTTInt(bool on);
void setCOSInt(bool on);
void setDStarInt(bool on);
void setDMRInt(bool on);
void setYSFInt(bool on);
void setP25Int(bool on);
};
#endif