Functions
void	adcOnchipSlowUpdate (efitick_t nowNt)

adcsample_t	adcOnchipSlowGetAvgRaw (adc_channel_e hwChannel)

void	adcPrintChannelReport (const char *prefix, int internalIndex, adc_channel_e hwChannel)

void	adcOnchipSlowShowReport ()

float	getMCUInternalTemperature ()

float	getMCUVref ()

void	waitForSlowAdc (uint32_t lastAdcCounter)

Variables
static volatile NO_CACHE adcsample_t	slowAdcSamples [SLOW_ADC_CHANNEL_COUNT]

static uint32_t	slowAdcConversionCount = 0

static float	mcuTemperature

static float	mcuVrefVoltage

Function Documentation

◆ adcOnchipSlowGetAvgRaw()

adcsample_t adcOnchipSlowGetAvgRaw ( adc_channel_e hwChannel )

Definition at line 59 of file adc_onchip_slow.cpp.

{
    return slowAdcSamples[hwChannel - EFI_ADC_0];
}

Referenced by getInternalAdcValue().

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◆ adcOnchipSlowShowReport()

void adcOnchipSlowShowReport ( )

Definition at line 66 of file adc_onchip_slow.cpp.

{
    efiPrintf("slow %lu samples", slowAdcConversionCount);
 
    /* we assume that all slow ADC channels are enabled */
    for (int internalIndex = 0; internalIndex < SLOW_ADC_CHANNEL_COUNT; internalIndex++) {
        adc_channel_e hwChannel = static_cast<adc_channel_e>(internalIndex + EFI_ADC_0);
 
        adcPrintChannelReport("S", internalIndex, hwChannel);
    }
}

Referenced by printFullAdcReport().

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◆ adcOnchipSlowUpdate()

void adcOnchipSlowUpdate ( efitick_t nowNt )

Definition at line 32 of file adc_onchip_slow.cpp.

                                          {
    UNUSED(nowNt);
 
    ScopePerf perf(PE::AdcConversionSlow);
 
    /* drop volatile type qualifier - this is safe */
    if (!readSlowAnalogInputs((adcsample_t *)slowAdcSamples)) {
        engine->outputChannels.slowAdcErrorCount++;
        return;
    }
 
    // TODO:
    //engine->outputChannels.slowAdcConversionCount++;
    slowAdcConversionCount++;
 
    // Ask the port to sample the MCU temperature
    mcuTemperature = getMcuTemperature();
    if (mcuTemperature > 150.0f || mcuTemperature < -50.0f) {
        /*
         * we have a sporadic issue with this check todo https://github.com/rusefi/rusefi/issues/2552
         */
        //criticalError("Invalid CPU temperature measured %f", degrees);
    }
 
    mcuVrefVoltage = getMcuVrefVoltage();
}

Referenced by adcInputsUpdateSubscribers().

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◆ adcPrintChannelReport()

void adcPrintChannelReport	(	const char *	prefix,
		int	internalIndex,
		adc_channel_e	hwChannel
	)

extern

Definition at line 142 of file adc_inputs.cpp.

{
    if (isAdcChannelValid(hwChannel)) {
        ioportid_t port = getAdcChannelPort("print", hwChannel);
        int pin = getAdcChannelPin(hwChannel);
        int adcValue = adcGetRawValue("print", hwChannel);
        auto volts = adcGetRawVoltage("print", hwChannel);
        auto voltsInput = adcGetScaledVoltage("print", hwChannel);
        /* Human index starts from 1 */
        efiPrintf(" %s ch[%2d] @ %s%d ADC%d 12bit=%4d %.3fV input %.3fV %s",
            prefix, internalIndex, portname(port), pin,
            /* TODO: */ hwChannel - EFI_ADC_0 + 1,
            adcValue, volts.value_or(0), voltsInput.value_or(0), volts ? "valid" : "INVALID");
    }
}

Referenced by adcOnchipSlowShowReport(), and printFullAdcReport().

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◆ getMCUInternalTemperature()

float getMCUInternalTemperature ( void )

Definition at line 78 of file adc_onchip_slow.cpp.

                                  {
    return mcuTemperature;
}

Referenced by populateFrame(), and updateMiscSensors().

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◆ getMCUVref()

float getMCUVref ( void )

Definition at line 82 of file adc_onchip_slow.cpp.

                   {
    return mcuVrefVoltage;
}

Referenced by analogGetVrefDiagnostic(), and updateMiscSensors().

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◆ waitForSlowAdc()

void waitForSlowAdc ( uint32_t lastAdcCounter )

Definition at line 87 of file adc_onchip_slow.cpp.

                                             {
    // note that having ADC reading is one thing while having new sensor API is a totally different thing!
    // todo: use sync.objects?
    while (slowAdcConversionCount <= lastAdcCounter) {
        chThdSleepMilliseconds(1);
    }
}