C++ (Cpp) RegionCommonComputeSymbolTimeLoRa示例

示例#1

文件： RegionCN470A.c 项目： wosayttn/aos

void RegionCN470AComputeRxWindowParameters( int8_t datarate, uint8_t minRxSymbols, uint32_t rxError,
                                            RxConfigParams_t *rxConfigParams )
{
    double tSymbol = 0.0;

    rxConfigParams->Datarate = datarate;
    rxConfigParams->Bandwidth = GetBandwidth( datarate );

    if ( datarate == DR_7 ) {
        // FSK
        tSymbol = RegionCommonComputeSymbolTimeFsk( DataratesCN470A[datarate] );
    } else {
        // LoRa
        tSymbol = RegionCommonComputeSymbolTimeLoRa( DataratesCN470A[datarate], BandwidthsCN470A[datarate] );
    }

    RegionCommonComputeRxWindowParameters( tSymbol, minRxSymbols, rxError, RADIO_WAKEUP_TIME,
                                           &rxConfigParams->WindowTimeout, &rxConfigParams->WindowOffset );
}

示例#2

文件： RegionEU433.c 项目： cyysu/AliOS-Things

void RegionEU433ComputeRxWindowParameters( int8_t datarate, uint8_t minRxSymbols, uint32_t rxError, RxConfigParams_t *rxConfigParams )
{
    double tSymbol = 0.0;
    uint32_t radioWakeUpTime;

    rxConfigParams->Datarate = datarate;
    rxConfigParams->Bandwidth = GetBandwidth( datarate );

    if( datarate == DR_7 )
    { // FSK
        tSymbol = RegionCommonComputeSymbolTimeFsk( DataratesEU433[datarate] );
    }
    else
    { // LoRa
        tSymbol = RegionCommonComputeSymbolTimeLoRa( DataratesEU433[datarate], BandwidthsEU433[datarate] );
    }

    radioWakeUpTime = Radio.GetRadioWakeUpTime( );
    RegionCommonComputeRxWindowParameters( tSymbol, minRxSymbols, rxError, radioWakeUpTime, &rxConfigParams->WindowTimeout, &rxConfigParams->WindowOffset );
}

示例#3

文件： RegionEU433.c 项目： MOSAIC-LoPoW/dash7-ap-open-source-stack

void RegionEU433ComputeRxWindowParameters( int8_t datarate, uint8_t minRxSymbols, uint32_t rxError, RxConfigParams_t *rxConfigParams )
{
    double tSymbol = 0.0;
    uint32_t radioWakeUpTime;

    // Get the datarate, perform a boundary check
    rxConfigParams->Datarate = MIN( datarate, EU433_RX_MAX_DATARATE );
    rxConfigParams->Bandwidth = GetBandwidth( rxConfigParams->Datarate );

    if( rxConfigParams->Datarate == DR_7 )
    { // FSK
        tSymbol = RegionCommonComputeSymbolTimeFsk( DataratesEU433[rxConfigParams->Datarate] );
    }
    else
    { // LoRa
        tSymbol = RegionCommonComputeSymbolTimeLoRa( DataratesEU433[rxConfigParams->Datarate], BandwidthsEU433[rxConfigParams->Datarate] );
    }

    radioWakeUpTime = Radio.GetRadioWakeUpTime( );
    RegionCommonComputeRxWindowParameters( tSymbol, minRxSymbols, rxError, radioWakeUpTime, &rxConfigParams->WindowTimeout, &rxConfigParams->WindowOffset );
}