LR11x0.h

#if !defined(_RADIOLIB_LR11X0_H)
#define _RADIOLIB_LR11X0_H
 
#include "../../TypeDef.h"
 
#if !RADIOLIB_EXCLUDE_LR11X0
 
#include "../../Module.h"
 
#include "../../protocols/PhysicalLayer/PhysicalLayer.h"
 
#include "LR11x0_commands.h"
#include "LR11x0_registers.h"
#include "LR11x0_types.h"
 
// LR11X0 physical layer properties
#define RADIOLIB_LR11X0_FREQUENCY_STEP_SIZE                     1.0
#define RADIOLIB_LR11X0_MAX_PACKET_LENGTH                       255
#define RADIOLIB_LR11X0_CRYSTAL_FREQ                            32.0
#define RADIOLIB_LR11X0_DIV_EXPONENT                            25
 
class LR11x0: public PhysicalLayer {
  public:
    // introduce PhysicalLayer overloads
    using PhysicalLayer::transmit;
    using PhysicalLayer::receive;
    using PhysicalLayer::startTransmit;
    using PhysicalLayer::startReceive;
    using PhysicalLayer::readData;
 
    explicit LR11x0(Module* mod);
 
    enum OpMode_t {
        MODE_END_OF_TABLE = Module::MODE_END_OF_TABLE,
        MODE_STBY = Module::MODE_IDLE,
        MODE_RX = Module::MODE_RX,
        MODE_TX = Module::MODE_TX,
        MODE_TX_HP,
        MODE_TX_HF,
        MODE_GNSS,
        MODE_WIFI,
    };
 
    bool XTAL;
    
    int16_t begin(float bw, uint8_t sf, uint8_t cr, uint8_t syncWord, uint16_t preambleLength, float tcxoVoltage, bool high = false);
 
    int16_t beginGFSK(float br, float freqDev, float rxBw, uint16_t preambleLength, float tcxoVoltage);
 
    int16_t beginLRFHSS(uint8_t bw, uint8_t cr, bool narrowGrid, float tcxoVoltage);
 
    int16_t beginGNSS(uint8_t constellations = RADIOLIB_LR11X0_GNSS_CONSTELLATION_GPS | RADIOLIB_LR11X0_GNSS_CONSTELLATION_BEIDOU, float tcxoVoltage = 1.6);
 
    int16_t reset();
 
    int16_t transmit(const uint8_t* data, size_t len, uint8_t addr = 0) override;
 
    int16_t receive(uint8_t* data, size_t len, RadioLibTime_t timeout = 0) override;
 
    int16_t transmitDirect(uint32_t frf = 0) override;
 
    int16_t receiveDirect() override;
 
    int16_t scanChannel() override;
 
    int16_t scanChannel(const ChannelScanConfig_t &config) override;
 
    int16_t standby() override;
 
    int16_t standby(uint8_t mode, bool wakeup = true);
 
    int16_t sleep() override;
 
    int16_t sleep(bool retainConfig, uint32_t sleepTime);
    
    // interrupt methods
 
    void setIrqAction(void (*func)(void));
 
    void clearIrqAction();
 
    void setPacketReceivedAction(void (*func)(void)) override;
 
    void clearPacketReceivedAction() override;
 
    void setPacketSentAction(void (*func)(void)) override;
 
    void clearPacketSentAction() override;
 
    int16_t finishTransmit() override;
 
    int16_t startReceive() override;
 
    uint32_t getIrqStatus();
 
    int16_t readData(uint8_t* data, size_t len) override;
 
    int16_t finishReceive() override;
    
    int16_t startChannelScan() override;
 
    int16_t startChannelScan(const ChannelScanConfig_t &config) override;
 
    int16_t getChannelScanResult() override;
 
    // configuration methods
 
    int16_t setBandwidth(float bw, bool high = false);
 
    int16_t setSpreadingFactor(uint8_t sf, bool legacy = false);
 
    int16_t setCodingRate(uint8_t cr, bool longInterleave = false);
 
    int16_t setSyncWord(uint8_t syncWord);
 
    int16_t setBitRate(float br) override;
 
    int16_t setFrequencyDeviation(float freqDev) override;
 
    int16_t setRxBandwidth(float rxBw);
    
    int16_t setSyncWord(uint8_t* syncWord, size_t len) override;
 
    int16_t setSyncBits(uint8_t *syncWord, uint8_t bitsLen);
 
    int16_t setNodeAddress(uint8_t nodeAddr);
 
    int16_t setBroadcastAddress(uint8_t broadAddr);
 
    int16_t disableAddressFiltering();
 
    int16_t setDataShaping(uint8_t sh) override;
 
    int16_t setEncoding(uint8_t encoding) override;
 
    int16_t fixedPacketLengthMode(uint8_t len = RADIOLIB_LR11X0_MAX_PACKET_LENGTH);
 
    int16_t variablePacketLengthMode(uint8_t maxLen = RADIOLIB_LR11X0_MAX_PACKET_LENGTH);
 
    int16_t setWhitening(bool enabled, uint16_t initial = 0x01FF);
 
    int16_t setDataRate(DataRate_t dr, ModemType_t modem = RADIOLIB_MODEM_NONE) override;
 
    int16_t checkDataRate(DataRate_t dr, ModemType_t modem = RADIOLIB_MODEM_NONE) override;
 
    int16_t setPreambleLength(size_t preambleLength) override;
 
    int16_t setTCXO(float voltage, uint32_t delay = 5000);
 
    int16_t setCRC(uint8_t len, uint32_t initial = 0x00001D0FUL, uint32_t polynomial = 0x00001021UL, bool inverted = true);
 
    int16_t invertIQ(bool enable) override;
 
    float getRSSI() override;
 
    float getSNR() override;
 
    float getFrequencyError();
 
    size_t getPacketLength(bool update = true) override;
 
    size_t getPacketLength(bool update, uint8_t* offset);
 
    int16_t getLoRaRxHeaderInfo(uint8_t* cr, bool* hasCRC);
 
    RadioLibTime_t calculateTimeOnAir(ModemType_t modem, DataRate_t dr, PacketConfig_t pc, size_t len) override;
 
    RadioLibTime_t getTimeOnAir(size_t len) override;
 
    RadioLibTime_t calculateRxTimeout(RadioLibTime_t timeoutUs) override;
 
    uint32_t getIrqFlags() override;
 
    int16_t setIrqFlags(uint32_t irq) override;
 
    int16_t clearIrqFlags(uint32_t irq) override;
 
    uint8_t randomByte() override;
 
    int16_t implicitHeader(size_t len);
 
    int16_t explicitHeader();
 
    float getDataRate() const;
 
    int16_t setRegulatorLDO();
 
    int16_t setRegulatorDCDC();
 
    int16_t setRxBoostedGainMode(bool en);
 
    void setRfSwitchTable(const uint32_t (&pins)[Module::RFSWITCH_MAX_PINS], const Module::RfSwitchMode_t table[]);
 
    int16_t forceLDRO(bool enable);
 
    int16_t autoLDRO();
 
    int16_t setLrFhssConfig(uint8_t bw, uint8_t cr, uint8_t hdrCount = 3, uint16_t hopSeed = 0x13A);
    
    int16_t startWifiScan(char wifiType, uint8_t mode = RADIOLIB_LR11X0_WIFI_ACQ_MODE_FULL_BEACON, uint16_t chanMask = RADIOLIB_LR11X0_WIFI_ALL_CHANNELS, uint8_t numScans = 16, uint16_t timeout = 100);
 
    void setWiFiScanAction(void (*func)(void));
 
    void clearWiFiScanAction();
 
    int16_t getWifiScanResultsCount(uint8_t* count);
 
    int16_t getWifiScanResult(LR11x0WifiResult_t* result, uint8_t index, bool brief = false);
    
    int16_t wifiScan(uint8_t wifiType, uint8_t* count, uint8_t mode = RADIOLIB_LR11X0_WIFI_ACQ_MODE_FULL_BEACON, uint16_t chanMask = RADIOLIB_LR11X0_WIFI_ALL_CHANNELS, uint8_t numScans = 16, uint16_t timeout = 100);
   
    int16_t getVersionInfo(LR11x0VersionInfo_t* info);
    
    int16_t updateFirmware(const uint32_t* image, size_t size, bool nonvolatile = true);
    
    int16_t isGnssScanCapable();
 
    int16_t gnssScan(LR11x0GnssResult_t* res = NULL);
 
    int16_t getGnssAlmanacStatus(LR11x0GnssAlmanacStatus_t *stat);
 
    int16_t gnssDelayUntilSubframe(LR11x0GnssAlmanacStatus_t *stat, uint8_t constellation);
 
    int16_t updateGnssAlmanac(uint8_t constellation);
    
    int16_t getGnssPosition(LR11x0GnssPosition_t* pos, bool filtered = true);
 
    int16_t getGnssSatellites(LR11x0GnssSatellite_t* sats, uint8_t numSats);
 
    int16_t getModem(ModemType_t* modem) override;
 
    int16_t calibrateImageRejection(float freqMin, float freqMax);
    
    int16_t stageMode(RadioModeType_t mode, RadioModeConfig_t* cfg) override;
 
    int16_t launchMode() override;
    
#if !RADIOLIB_GODMODE && !RADIOLIB_LOW_LEVEL
  protected:
#endif
    Module* getMod() override;
 
    // LR11x0 command helpers
    uint8_t roundRampTime(uint32_t rampTimeUs);
 
    // method that applies some magic workaround for specific bitrate, frequency deviation,
    // receiver bandwidth and carrier frequencies for GFSK (and resets it in all other cases)
    int16_t workaroundGFSK();
 
    // LR11x0 SPI command implementations
    int16_t writeRegMem32(uint32_t addr, const uint32_t* data, size_t len);
    int16_t readRegMem32(uint32_t addr, uint32_t* data, size_t len);
    int16_t writeBuffer8(const uint8_t* data, size_t len);
    int16_t readBuffer8(uint8_t* data, size_t len, size_t offset);
    int16_t clearRxBuffer(void);
    int16_t writeRegMemMask32(uint32_t addr, uint32_t mask, uint32_t data);
 
    int16_t getStatus(uint8_t* stat1, uint8_t* stat2, uint32_t* irq);
    int16_t getVersion(uint8_t* hw, uint8_t* device, uint8_t* major, uint8_t* minor);
    int16_t getErrors(uint16_t* err);
    int16_t clearErrors(void);
    int16_t calibrate(uint8_t params);
    int16_t setRegMode(uint8_t mode);
    int16_t setDioAsRfSwitch(uint8_t en, uint8_t stbyCfg, uint8_t rxCfg, uint8_t txCfg, uint8_t txHpCfg, uint8_t txHfCfg, uint8_t gnssCfg, uint8_t wifiCfg);
    int16_t setDioIrqParams(uint32_t irq1, uint32_t irq2);
    int16_t setDioIrqParams(uint32_t irq);
    int16_t clearIrqState(uint32_t irq);
    int16_t configLfClock(uint8_t setup);
    int16_t setTcxoMode(uint8_t tune, uint32_t delay);
    int16_t reboot(bool stay);
    int16_t getVbat(float* vbat);
    int16_t getTemp(float* temp);
    int16_t setFs(void);
    int16_t getRandomNumber(uint32_t* rnd);
    int16_t eraseInfoPage(void);
    int16_t writeInfoPage(uint16_t addr, const uint32_t* data, size_t len);
    int16_t readInfoPage(uint16_t addr, uint32_t* data, size_t len);
    int16_t getChipEui(uint8_t* eui);
    int16_t getSemtechJoinEui(uint8_t* eui);
    int16_t deriveRootKeysAndGetPin(uint8_t* pin);
    int16_t enableSpiCrc(bool en);
    int16_t driveDiosInSleepMode(bool en);
 
    int16_t resetStats(void);
    int16_t getStats(uint16_t* nbPktReceived, uint16_t* nbPktCrcError, uint16_t* data1, uint16_t* data2);
    int16_t getPacketType(uint8_t* type);
    int16_t getRxBufferStatus(uint8_t* len, uint8_t* startOffset);
    int16_t getPacketStatusLoRa(float* rssiPkt, float* snrPkt, float* signalRssiPkt);
    int16_t getPacketStatusGFSK(float* rssiSync, float* rssiAvg, uint8_t* rxLen, uint8_t* stat);
    int16_t getRssiInst(float* rssi);
    int16_t setGfskSyncWord(uint8_t* sync);
    int16_t setLoRaPublicNetwork(bool pub);
    int16_t setRx(uint32_t timeout);
    int16_t setTx(uint32_t timeout);
    int16_t setRfFrequency(uint32_t rfFreq);
    int16_t autoTxRx(uint32_t delay, uint8_t intMode, uint32_t timeout);
    int16_t setCadParams(uint8_t symNum, uint8_t detPeak, uint8_t detMin, uint8_t cadExitMode, uint32_t timeout);
    int16_t setPacketType(uint8_t type);
    int16_t setModulationParamsLoRa(uint8_t sf, uint8_t bw, uint8_t cr, uint8_t ldro);
    int16_t setModulationParamsGFSK(uint32_t br, uint8_t sh, uint8_t rxBw, uint32_t freqDev);
    int16_t setModulationParamsLrFhss(uint32_t br, uint8_t sh);
    int16_t setModulationParamsSigfox(uint32_t br, uint8_t sh);
    int16_t setPacketParamsLoRa(uint16_t preambleLen, uint8_t hdrType, uint8_t payloadLen, uint8_t crcType, uint8_t invertIQ);
    int16_t setPacketParamsGFSK(uint16_t preambleLen, uint8_t preambleDetectorLen, uint8_t syncWordLen, uint8_t addrCmp, uint8_t packType, uint8_t payloadLen, uint8_t crcType, uint8_t whiten);
    int16_t setPacketParamsSigfox(uint8_t payloadLen, uint16_t rampUpDelay, uint16_t rampDownDelay, uint16_t bitNum);
    int16_t setTxParams(int8_t pwr, uint8_t ramp);
    int16_t setPacketAdrs(uint8_t node, uint8_t broadcast);
    int16_t setRxTxFallbackMode(uint8_t mode);
    int16_t setRxDutyCycle(uint32_t rxPeriod, uint32_t sleepPeriod, uint8_t mode);
    int16_t setPaConfig(uint8_t paSel, uint8_t regPaSupply, uint8_t paDutyCycle, uint8_t paHpSel);
    int16_t stopTimeoutOnPreamble(bool stop);
    int16_t setCad(void);
    int16_t setTxCw(void);
    int16_t setTxInfinitePreamble(void);
    int16_t setLoRaSynchTimeout(uint8_t symbolNum);
    int16_t setRangingAddr(uint32_t addr, uint8_t checkLen);
    int16_t setRangingReqAddr(uint32_t addr);
    int16_t getRangingResult(uint8_t type, float* res);
    int16_t setRangingTxRxDelay(uint32_t delay);
    int16_t setGfskCrcParams(uint32_t init, uint32_t poly);
    int16_t setGfskWhitParams(uint16_t seed);
    int16_t setRangingParameter(uint8_t symbolNum);
    int16_t setRssiCalibration(const int8_t* tune, int16_t gainOffset);
    int16_t setLoRaSyncWord(uint8_t sync);
    int16_t lrFhssBuildFrame(uint8_t hdrCount, uint8_t cr, uint8_t grid, bool hop, uint8_t bw, uint16_t hopSeq, int8_t devOffset, const uint8_t* payload, size_t len);
    int16_t lrFhssSetSyncWord(uint32_t sync);
    int16_t configBleBeacon(uint8_t chan, const uint8_t* payload, size_t len);
    int16_t bleBeaconSend(uint8_t chan, const uint8_t* payload, size_t len);
 
    int16_t wifiScan(uint8_t type, uint16_t mask, uint8_t acqMode, uint8_t nbMaxRes, uint8_t nbScanPerChan, uint16_t timeout, uint8_t abortOnTimeout);
    int16_t wifiScanTimeLimit(uint8_t type, uint16_t mask, uint8_t acqMode, uint8_t nbMaxRes, uint16_t timePerChan, uint16_t timeout);
    int16_t wifiCountryCode(uint16_t mask, uint8_t nbMaxRes, uint8_t nbScanPerChan, uint16_t timeout, uint8_t abortOnTimeout);
    int16_t wifiCountryCodeTimeLimit(uint16_t mask, uint8_t nbMaxRes, uint16_t timePerChan, uint16_t timeout);
    int16_t wifiGetNbResults(uint8_t* nbResults);
    int16_t wifiReadResults(uint8_t index, uint8_t nbResults, uint8_t format, uint8_t* results);
    int16_t wifiResetCumulTimings(void);
    int16_t wifiReadCumulTimings(uint32_t* detection, uint32_t* capture, uint32_t* demodulation);
    int16_t wifiGetNbCountryCodeResults(uint8_t* nbResults);
    int16_t wifiReadCountryCodeResults(uint8_t index, uint8_t nbResults, uint8_t* results);
    int16_t wifiCfgTimestampAPphone(uint32_t timestamp);
    int16_t wifiReadVersion(uint8_t* major, uint8_t* minor);
 
    int16_t gnssReadRssi(int8_t* rssi);
    int16_t gnssSetConstellationToUse(uint8_t mask);
    int16_t gnssReadConstellationToUse(uint8_t* mask);
    int16_t gnssSetAlmanacUpdate(uint8_t mask);
    int16_t gnssReadAlmanacUpdate(uint8_t* mask);
    int16_t gnssSetFreqSearchSpace(uint8_t freq);
    int16_t gnssReadFreqSearchSpace(uint8_t* freq);
    int16_t gnssReadVersion(uint8_t* fw, uint8_t* almanac);
    int16_t gnssReadSupportedConstellations(uint8_t* mask);
    int16_t gnssSetMode(uint8_t mode);
    int16_t gnssAutonomous(uint32_t gpsTime, uint8_t resMask, uint8_t nbSvMask);
    int16_t gnssAssisted(uint32_t gpsTime, uint8_t effort, uint8_t resMask, uint8_t nbSvMask);
    int16_t gnssSetAssistancePosition(float lat, float lon);
    int16_t gnssReadAssistancePosition(float* lat, float* lon);
    int16_t gnssPushSolverMsg(uint8_t* payload, size_t len);
    int16_t gnssPushDmMsg(uint8_t* payload, size_t len);
    int16_t gnssGetContextStatus(uint8_t* fwVersion, uint32_t* almanacCrc, uint8_t* errCode, uint8_t* almUpdMask, uint8_t* freqSpace);
    int16_t gnssGetNbSvDetected(uint8_t* nbSv);
    int16_t gnssGetSvDetected(uint8_t* svId, uint8_t* snr, int16_t* doppler, size_t nbSv);
    int16_t gnssGetConsumption(uint32_t* cpu, uint32_t* radio);
    int16_t gnssGetResultSize(uint16_t* size);
    int16_t gnssReadResults(uint8_t* result, uint16_t size);
    int16_t gnssAlmanacFullUpdateHeader(uint16_t date, uint32_t globalCrc);
    int16_t gnssAlmanacFullUpdateSV(uint8_t svn, const uint8_t* svnAlmanac);
    int16_t gnssAlmanacReadAddrSize(uint32_t* addr, uint16_t* size);
    int16_t gnssAlmanacReadSV(uint8_t svId, uint8_t* almanac);
    int16_t gnssGetNbSvVisible(uint32_t time, float lat, float lon, uint8_t constellation, uint8_t* nbSv);
    int16_t gnssGetSvVisible(uint8_t nbSv, uint8_t** svId, int16_t** doppler, int16_t** dopplerErr);
    int16_t gnssPerformScan(uint8_t effort, uint8_t resMask, uint8_t nbSvMax);
    int16_t gnssReadLastScanModeLaunched(uint8_t* lastScanMode);
    int16_t gnssFetchTime(uint8_t effort, uint8_t opt);
    int16_t gnssReadTime(uint8_t* err, uint32_t* time, uint32_t* nbUs, uint32_t* timeAccuracy);
    int16_t gnssResetTime(void);
    int16_t gnssResetPosition(void);
    int16_t gnssReadWeekNumberRollover(uint8_t* status, uint8_t* rollover);
    int16_t gnssReadDemodStatus(int8_t* status, uint8_t* info);
    int16_t gnssReadCumulTiming(uint32_t* timing, uint8_t* constDemod);
    int16_t gnssSetTime(uint32_t time, uint16_t accuracy);
    int16_t gnssReadDopplerSolverRes(uint8_t* error, uint8_t* nbSvUsed, float* lat, float* lon, uint16_t* accuracy, uint16_t* xtal, float* latFilt, float* lonFilt, uint16_t* accuracyFilt, uint16_t* xtalFilt);
    int16_t gnssReadDelayResetAP(uint32_t* delay);
    int16_t gnssAlmanacUpdateFromSat(uint8_t effort, uint8_t bitMask);
    int16_t gnssReadAlmanacStatus(uint8_t* status);
    int16_t gnssReadKeepSyncStatus(uint8_t mask, uint8_t* nbSvVisible, uint32_t* elapsed);
    int16_t gnssConfigAlmanacUpdatePeriod(uint8_t bitMask, uint8_t svType, uint16_t period);
    int16_t gnssReadAlmanacUpdatePeriod(uint8_t bitMask, uint8_t svType, uint16_t* period);
    int16_t gnssConfigDelayResetAP(uint32_t delay);
    int16_t gnssGetSvWarmStart(uint8_t bitMask, uint8_t* sv, uint8_t nbVisSat);
    int16_t gnssReadWarmStartStatus(uint8_t bitMask, uint8_t* nbVisSat, uint32_t* timeElapsed);
    int16_t gnssGetSvSync(uint8_t mask, uint8_t nbSv, uint8_t* syncList);
    int16_t gnssWriteBitMaskSatActivated(uint8_t bitMask, uint32_t* bitMaskActivated0, uint32_t* bitMaskActivated1);
    void gnssAbort();
 
    int16_t cryptoSetKey(uint8_t keyId, const uint8_t* key);
    int16_t cryptoDeriveKey(uint8_t srcKeyId, uint8_t dstKeyId, const uint8_t* key);
    int16_t cryptoProcessJoinAccept(uint8_t decKeyId, uint8_t verKeyId, uint8_t lwVer, const uint8_t* header, const uint8_t* dataIn, size_t len, uint8_t* dataOut);
    int16_t cryptoComputeAesCmac(uint8_t keyId, const uint8_t* data, size_t len, uint32_t* mic);
    int16_t cryptoVerifyAesCmac(uint8_t keyId, uint32_t micExp, const uint8_t* data, size_t len, bool* result);
    int16_t cryptoAesEncrypt01(uint8_t keyId, const uint8_t* dataIn, size_t len, uint8_t* dataOut);
    int16_t cryptoAesEncrypt(uint8_t keyId, const uint8_t* dataIn, size_t len, uint8_t* dataOut);
    int16_t cryptoAesDecrypt(uint8_t keyId, const uint8_t* dataIn, size_t len, uint8_t* dataOut);
    int16_t cryptoStoreToFlash(void);
    int16_t cryptoRestoreFromFlash(void);
    int16_t cryptoSetParam(uint8_t id, uint32_t value);
    int16_t cryptoGetParam(uint8_t id, uint32_t* value);
    int16_t cryptoCheckEncryptedFirmwareImage(uint32_t offset, const uint32_t* data, size_t len, bool nonvolatile);
    int16_t cryptoCheckEncryptedFirmwareImageResult(bool* result);
 
    int16_t bootEraseFlash(void);
    int16_t bootWriteFlashEncrypted(uint32_t offset, const uint32_t* data, size_t len, bool nonvolatile);
    int16_t bootGetHash(uint8_t hash[RADIOLIB_LR11X0_HASH_LEN]);
    int16_t bootReboot(bool stay);
    int16_t bootGetPin(uint8_t* pin);
    int16_t bootGetChipEui(uint8_t* eui);
    int16_t bootGetJoinEui(uint8_t* eui);
    
    int16_t SPIcommand(uint16_t cmd, bool write, uint8_t* data, size_t len, const uint8_t* out = NULL, size_t outLen = 0);
    
#if !RADIOLIB_GODMODE
  protected:
#endif
    uint8_t chipType = 0;
    float freqMHz = 0;
 
#if !RADIOLIB_GODMODE
  private:
#endif
    Module* mod;
 
    // cached LoRa parameters
    uint8_t bandwidth = 0, spreadingFactor = 0, codingRate = 0, ldrOptimize = 0, crcTypeLoRa = 0, headerType = 0;
    uint16_t preambleLengthLoRa = 0;
    float bandwidthKhz = 0;
    bool ldroAuto = true;
    size_t implicitLen = 0;
    bool invertIQEnabled = false;
 
    // cached GFSK parameters
    uint32_t bitRate = 0, frequencyDev = 0;
    uint8_t preambleDetLength = 0, rxBandwidth = 0, pulseShape = 0, crcTypeGFSK = 0, syncWordLength = 0, addrComp = 0, whitening = 0, packetType = 0, node = 0;
    uint16_t preambleLengthGFSK = 0;
 
    // cached LR-FHSS parameters
    uint8_t lrFhssCr = 0, lrFhssBw = 0, lrFhssHdrCount = 0, lrFhssGrid = 0;
    uint16_t lrFhssHopSeq = 0;
 
    float dataRateMeasured = 0;
 
    uint8_t wifiScanMode = 0;
    bool gnss = false;
    uint32_t rxTimeout = 0;
 
    int16_t modSetup(float tcxoVoltage, uint8_t modem);
    static int16_t SPIparseStatus(uint8_t in);
    static int16_t SPIcheckStatus(Module* mod);
    bool findChip(uint8_t ver);
    int16_t config(uint8_t modem);
    int16_t setPacketMode(uint8_t mode, uint8_t len);
    int16_t startCad(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin, uint8_t exitMode, RadioLibTime_t timeout);
    int16_t setHeaderType(uint8_t hdrType, size_t len = 0xFF);
 
    // common methods to avoid some copy-paste
    int16_t bleBeaconCommon(uint16_t cmd, uint8_t chan, const uint8_t* payload, size_t len);
    int16_t writeCommon(uint16_t cmd, uint32_t addrOffset, const uint32_t* data, size_t len, bool nonvolatile);
    int16_t cryptoCommon(uint16_t cmd, uint8_t keyId, const uint8_t* dataIn, size_t len, uint8_t* dataOut);
};
 
#endif
 
#endif