mirror of
https://github.com/g4klx/MMDVM.git
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694b83123a
In to NXDN possible problem on sinc filter anc isinc filter, think they must be recalculated but do not know how to do it. On D-STAR, DMR, C4FM and P25 it work.
125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
/*
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* Copyright (C) 2015,2016,2017,2018 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(IO_H)
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#define IO_H
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#include "Globals.h"
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#include "SampleRB.h"
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#include "RSSIRB.h"
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class CIO {
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public:
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CIO();
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void start();
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void process();
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void write(MMDVM_STATE mode, q15_t* samples, uint16_t length, const uint8_t* control = NULL);
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uint16_t getSpace() const;
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void setDecode(bool dcd);
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void setADCDetection(bool detect);
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void setMode();
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void interrupt();
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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, uint8_t nxdnLevel, int16_t txDCOffset, int16_t rxDCOffset);
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void getOverflow(bool& adcOverflow, bool& dacOverflow);
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bool hasTXOverflow();
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bool hasRXOverflow();
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bool hasLockout() const;
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void resetWatchdog();
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uint32_t getWatchdog();
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void selfTest();
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private:
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bool m_started;
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CSampleRB m_rxBuffer;
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CSampleRB m_txBuffer;
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CRSSIRB m_rssiBuffer;
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arm_biquad_casd_df1_inst_q31 m_dcFilter;
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q31_t m_dcState[4];
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arm_fir_instance_q15 m_rrcFilter;
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//arm_fir_instance_q15 m_gaussianFilter;
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arm_fir_instance_q15 m_boxcarFilter;
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arm_fir_instance_q15 m_nxdnFilter;
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arm_fir_instance_q15 m_nxdnISincFilter;
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q15_t m_rrcState[140U]; // NoTaps + BlockSize - 1, 82 + 20 - 1 plus some spare
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//q15_t m_gaussianState[80U]; // NoTaps + BlockSize - 1, 24 + 20 - 1 plus some spare
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q15_t m_boxcarState[60U]; // NoTaps + BlockSize - 1, 12 + 20 - 1 plus some spare
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q15_t m_nxdnState[220U]; // NoTaps + BlockSize - 1, 162 + 20 - 1 plus some spare
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q15_t m_nxdnISincState[60U]; // NoTaps + BlockSize - 1, 32 + 20 - 1 plus some spare
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bool m_pttInvert;
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q15_t m_rxLevel;
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q15_t m_cwIdTXLevel;
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q15_t m_dstarTXLevel;
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q15_t m_dmrTXLevel;
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q15_t m_ysfTXLevel;
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q15_t m_p25TXLevel;
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q15_t m_nxdnTXLevel;
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uint16_t m_rxDCOffset;
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uint16_t m_txDCOffset;
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uint32_t m_ledCount;
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bool m_ledValue;
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bool m_detect;
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uint16_t m_adcOverflow;
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uint16_t m_dacOverflow;
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volatile uint32_t m_watchdog;
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bool m_lockout;
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// Hardware specific routines
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void initInt();
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void startInt();
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bool getCOSInt();
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void setLEDInt(bool on);
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void setPTTInt(bool on);
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void setCOSInt(bool on);
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void setDStarInt(bool on);
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void setDMRInt(bool on);
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void setYSFInt(bool on);
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void setP25Int(bool on);
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void setNXDNInt(bool on);
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void delayInt(unsigned int dly);
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};
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#endif
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