AdcSubscription Class Reference

#include <adc_subscription.h>

Static Public Member Functions
static AdcSubscriptionEntry *	SubscribeSensor (FunctionalSensorBase &sensor, adc_channel_e channel, float lowpassCutoffHZ, float voltsPerAdcVolt=0.0f)
static void	UnsubscribeSensor (FunctionalSensorBase &sensor)
static void	UnsubscribeSensor (FunctionalSensorBase &sensor, adc_channel_e newChannel)
static void	UpdateSubscribers (efitick_t nowNt)
static void	ResetFilters ()
static void	PrintInfo ()

Detailed Description

Definition at line 21 of file adc_subscription.h.

Member Function Documentation

PrintInfo()

void AdcSubscription::PrintInfo ( )

static

Definition at line 174 of file adc_subscription.cpp.

                                {
    for (size_t i = 0; i < efi::size(s_entries); i++) {
        auto& entry = s_entries[i];
 
        if (!entry.Sensor) {
            // Skip unconfigured entries
            continue;
        }
 
        const auto name = entry.Sensor->getSensorName();
        auto mcuVolts = adcGetRawVoltage("sensor", entry.Channel);
        float sensorVolts = mcuVolts.value_or(0) * entry.VoltsPerAdcVolt;
        auto channel = entry.Channel;
 
        char pinNameBuffer[16];
 
        efiPrintf(
            "%s ADC%d m=%d %s adc=%.2f/input=%.2fv/divider=%.2f %s",
            name,
            channel,
            (int)getAdcMode(channel),
            getPinNameByAdcChannel(name, channel, pinNameBuffer, sizeof(pinNameBuffer)),
            mcuVolts.value_or(0), sensorVolts, entry.VoltsPerAdcVolt,
            mcuVolts ? "valid" : "INVALID"
        );
    }
}

Referenced by printSensorInfo().

Here is the call graph for this function:

Here is the caller graph for this function:

ResetFilters()

void AdcSubscription::ResetFilters ( )

static

Definition at line 134 of file adc_subscription.cpp.

                                   {
    for (size_t i = 0; i < efi::size(s_entries); i++) {
        auto &entry = s_entries[i];
        entry.HasUpdated = false;
    }
}

Referenced by setHellenEnValue().

Here is the caller graph for this function:

SubscribeSensor()

AdcSubscriptionEntry * AdcSubscription::SubscribeSensor ( FunctionalSensorBase &  sensor, adc_channel_e  channel, float  lowpassCutoffHZ, float  voltsPerAdcVolt = 0.0f  )

static

TODO: this code is similar to initIfValid, what is the plan? shall we extract helper method or else?

Definition at line 7 of file adc_subscription.cpp.

                                                                                                            {
  return nullptr;
}

Referenced by configureTempSensor(), initAuxSensors(), initFluidPressure(), initFuelLevel(), initMaf(), initMap(), initRangeSensors(), and initVbatt().

Here is the caller graph for this function:

UnsubscribeSensor() [1/2]

void AdcSubscription::UnsubscribeSensor ( FunctionalSensorBase &  sensor )

static

Definition at line 11 of file adc_subscription.cpp.

                                                               {
}

Referenced by deinitAuxSensors(), deinitFluidPressure(), deinitMap(), deinitThermistors(), and deinitVbatt().

Here is the caller graph for this function:

UnsubscribeSensor() [2/2]

void AdcSubscription::UnsubscribeSensor ( FunctionalSensorBase &  sensor, adc_channel_e  newChannel  )

static

Definition at line 14 of file adc_subscription.cpp.

                                                                              {
}

UpdateSubscribers()

void AdcSubscription::UpdateSubscribers ( efitick_t  nowNt )

static

Definition at line 141 of file adc_subscription.cpp.

                                                       {
    ScopePerf perf(PE::AdcSubscriptionUpdateSubscribers);
 
    for (size_t i = 0; i < efi::size(s_entries); i++) {
        auto &entry = s_entries[i];
 
        if (!entry.Sensor) {
            // Skip unconfigured entries
            continue;
        }
 
        auto mcuVolts = adcGetRawVoltage("sensor", entry.Channel);
        if (mcuVolts) {
            entry.sensorVolts = mcuVolts.value_or(0) * entry.VoltsPerAdcVolt;
 
            // On the very first update, preload the filter as if we've been
            // seeing this value for a long time.  This prevents a slow ramp-up
            // towards the correct value just after startup
            if (!entry.HasUpdated) {
                entry.Filter.cookSteadyState(entry.sensorVolts);
                entry.HasUpdated = true;
            }
 
            float filtered = entry.Filter.filter(entry.sensorVolts);
 
            entry.Sensor->postRawValue(filtered, nowNt);
        } else {
 
        }
    }
}

Referenced by adcInputsUpdateSubscribers().

Here is the call graph for this function:

Here is the caller graph for this function:

---

The documentation for this class was generated from the following files:

• hw_layer/adc/adc_subscription.h
• hw_layer/adc/adc_subscription.cpp