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252 lines
7.2 KiB
252 lines
7.2 KiB
/**
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* Digital Voice Modem - DSP Firmware (Hotspot)
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / DSP Firmware (Hotspot)
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*
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*/
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//
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// Based on code from the MMDVM_HS project. (https://github.com/juribeparada/MMDVM_HS)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2015,2016,2020 by Jonathan Naylor G4KLX
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* Copyright (C) 2016,2017,2018,2019,2020 by Andy Uribe CA6JAU
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* Copyright (C) 2017 by Danilo DB4PLE
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* Copyright (C) 2017-2021 Bryan Biedenkapp N2PLL
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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 "Defines.h"
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#include "Globals.h"
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#include "BitBuffer.h"
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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#if defined(DUPLEX)
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#if defined(STM32_USB_HOST)
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#define CAL_DLY_LOOP 98950U
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#else
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#define CAL_DLY_LOOP 96100U
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#endif
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#else
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#if defined(STM32_USB_HOST)
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#define CAL_DLY_LOOP 110850U
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#else
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#define CAL_DLY_LOOP 104600U
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#endif
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#endif
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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enum ADF_GAIN_MODE {
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// AGC automatic, default settings
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ADF_GAIN_AUTO = 0U,
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// AGC automatic with high LNA linearity
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ADF_GAIN_AUTO_LIN = 1U,
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// AGC OFF, lowest gain
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ADF_GAIN_LOW = 2U,
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// AGC OFF, highest gain
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ADF_GAIN_HIGH = 3U
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};
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Implements the input/output data path with the radio air interface.
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// ---------------------------------------------------------------------------
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class DSP_FW_API IO {
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public:
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/// <summary>Initializes a new instance of the IO class.</summary>
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IO();
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/// <summary>Starts air interface sampler.</summary>
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void start();
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/// <summary>Process bits from air interface.</summary>
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void process();
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/// <summary>Write bits to air interface.</summary>
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void write(uint8_t* data, uint16_t length, const uint8_t* control = NULL);
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/// <summary>Helper to get how much space the transmit ring buffer has for samples.</summary>
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uint16_t getSpace(void) const;
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/// <summary></summary>
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void setDecode(bool dcd);
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/// <summary>Set modem mode.</summary>
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void setMode(DVM_STATE modemState);
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/// <summary>Hardware interrupt handler.</summary>
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void interrupt1();
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#if defined(DUPLEX)
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/// <summary>Hardware interrupt handler.</summary>
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void interrupt2();
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#endif
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/// <summary>Sets the ADF7021 RF configuration.</summary>
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void rf1Conf(DVM_STATE modemState, bool reset);
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#if defined(DUPLEX)
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/// <summary>Sets the ADF7021 RF configuration.</summary>
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void rf2Conf(DVM_STATE modemState);
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#endif
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/// <summary></summary>
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void setDeviations(uint8_t dmrTXLevel, uint8_t p25TXLevel);
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/// <summary>Sets the RF parameters.</summary>
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uint8_t setRFParams(uint32_t rxFreq, uint32_t txFreq, uint8_t rfPower, ADF_GAIN_MODE gainMode);
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/// <summary>Sets the RF adjustment parameters.</summary>
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void setRFAdjust(int8_t dmrDiscBWAdj, int8_t p25DiscBWAdj, int8_t dmrPostBWAdj, int8_t p25PostBWAdj);
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/// <summary>Flag indicating the TX ring buffer has overflowed.</summary>
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bool hasTXOverflow(void);
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/// <summary>Flag indicating the RX ring buffer has overflowed.</summary>
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bool hasRXOverflow(void);
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/// <summary></summary>
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void resetWatchdog(void);
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/// <summary></summary>
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uint32_t getWatchdog(void);
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/// <summary>Gets the CPU type the firmware is running on.</summary>
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uint8_t getCPU() const;
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/// <summary>Gets the unique identifier for the air interface.</summary>
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void getUDID(uint8_t* buffer);
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/// <summary></summary>
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void updateCal(DVM_STATE modemState);
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/// <summary></summary>
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void delayBit(void);
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/// <summary></summary>
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uint16_t readRSSI(void);
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/// <summary></summary>
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void selfTest();
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/// <summary></summary>
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void getIntCounter(uint16_t& int1, uint16_t& int2);
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#if defined(ZUMSPOT_ADF7021) || defined(LONESTAR_USB) || defined(SKYBRIDGE_HS)
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/// <summary></summary>
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bool isDualBand();
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#endif
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/// <summary></summary>
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void SCLK(bool on);
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/// <summary></summary>
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void SDATA(bool on);
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/// <summary></summary>
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bool SREAD();
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/// <summary></summary>
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void SLE1(bool on);
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#if defined(DUPLEX)
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/// <summary></summary>
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void SLE2(bool on);
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/// <summary></summary>
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bool RXD2();
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#endif
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/// <summary></summary>
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void CE(bool on);
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/// <summary></summary>
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bool RXD1();
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/// <summary></summary>
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bool CLK();
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private:
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bool m_started;
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BitBuffer m_rxBuffer;
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BitBuffer m_txBuffer;
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uint32_t m_ledCount;
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bool m_ledValue;
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volatile uint32_t m_watchdog;
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volatile uint16_t m_int1Counter;
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volatile uint16_t m_int2Counter;
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uint32_t m_rxFrequency;
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uint32_t m_txFrequency;
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uint8_t m_rfPower;
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ADF_GAIN_MODE m_gainMode;
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/// <summary>Helper to check the frequencies are within band ranges of the ADF7021.</summary>
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void checkBand(uint32_t rxFreq, uint32_t txFreq);
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#if defined(ZUMSPOT_ADF7021) || defined(LONESTAR_USB) || defined(SKYBRIDGE_HS)
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/// <summary></summary>
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void setBandVHF(bool enable);
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/// <summary></summary>
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bool hasSingleADF7021();
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#endif
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/// <summary></summary>
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void configureBand();
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/// <summary></summary>
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void configureTxRx(DVM_STATE modemState);
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/// <summary></summary>
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void setTX();
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/// <summary></summary>
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void setRX(bool doSle = true);
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/// <summary></summary>
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void delayIfCal();
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/// <summary></summary>
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void delayReset();
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/// <summary></summary>
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void delayUS(uint32_t us);
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// Hardware specific routines
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/// <summary>Initializes hardware interrupts.</summary>
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void initInt();
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/// <summary>Starts hardware interrupts.</summary>
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void startInt();
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/// <summary></summary>
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void setTXDInt(bool on);
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#if defined(BIDIR_DATA_PIN)
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/// <summary></summary>
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void setDataDirOut(bool dir);
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/// <summary></summary>
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void setRXDInt(bool on);
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#endif
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/// <summary></summary>
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void setLEDInt(bool on);
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/// <summary></summary>
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void setPTTInt(bool on);
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/// <summary></summary>
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void setCOSInt(bool on);
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/// <summary></summary>
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void setDMRInt(bool on);
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/// <summary></summary>
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void setP25Int(bool on);
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};
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#endif
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