boost_control.h File Reference

Data Structures
class	BoostController

Functions
void	startBoostPin ()
void	initBoostCtrl ()
void	setDefaultBoostParameters ()

Function Documentation

initBoostCtrl()

void initBoostCtrl

(

)

Definition at line 342 of file boost_control.cpp.

                     {
#if EFI_PROD_CODE
    if (engine->module<BoostController>().unmock().hasInitBoost) {
    // already initialized - nothing to do here
      return;
    }
    // todo: why do we have 'isBoostControlEnabled' setting exactly?
    // 'initVvtActuators' is an example of a subsystem without explicit enable
    if (!engineConfiguration->isBoostControlEnabled) {
        return;
    }
 
    bool hasAnyEtbWastegate = false;
 
    for (size_t i = 0; i < efi::size(engineConfiguration->etbFunctions); i++) {
        hasAnyEtbWastegate |= engineConfiguration->etbFunctions[i] == DC_Wastegate;
    }
 
    // If we have neither a boost PWM pin nor ETB wastegate, nothing more to do
    if (!isBrainPinValid(engineConfiguration->boostControlPin) && !hasAnyEtbWastegate) {
        return;
    }
#endif
 
    // Set up open & closed loop tables
    boostMapOpen.initTable(config->boostTableOpenLoop, config->boostRpmBins, config->boostOpenLoopLoadBins);
    boostMapClosed.initTable(config->boostTableClosedLoop, config->boostRpmBins, config->boostClosedLoopLoadBins);
    boostCltCorr.initTable(config->cltBoostCorr, config->cltBoostCorrBins);
    boostIatCorr.initTable(config->iatBoostCorr, config->iatBoostCorrBins);
    boostCltAdder.initTable(config->cltBoostAdder, config->cltBoostAdderBins);
    boostIatAdder.initTable(config->iatBoostAdder, config->iatBoostAdderBins);
 
    // Set up boost controller instance
    engine->module<BoostController>().unmock().init(
        &boostPwmControl,
        &boostMapOpen,
        &boostMapClosed,
        boostCltCorr,
        boostIatCorr,
        boostCltAdder,
        boostIatAdder,
        &engineConfiguration->boostPid
    );
 
#if !EFI_UNIT_TEST
    startBoostPin();
#endif
}

Referenced by commonInitEngineController(), and BoostController::onConfigurationChange().

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setDefaultBoostParameters()

void setDefaultBoostParameters

(

)

Definition at line 299 of file boost_control.cpp.

                                 {
    engineConfiguration->boostPwmFrequency = 33;
    engineConfiguration->boostPid.offset = 0;
    engineConfiguration->boostPid.pFactor = 0.5;
    engineConfiguration->boostPid.iFactor = 0.3;
    engineConfiguration->boostPid.maxValue = 20;
    engineConfiguration->boostPid.minValue = -20;
    engineConfiguration->boostControlPinMode = OM_DEFAULT;
 
    setRpmTableBin(config->boostRpmBins);
    setLinearCurve(config->boostOpenLoopLoadBins, 0, 100, 1);
    setLinearCurve(config->boostClosedLoopLoadBins, 0, 100, 1);
 
    for (int loadIndex = 0; loadIndex < BOOST_LOAD_COUNT; loadIndex++) {
        for (int rpmIndex = 0; rpmIndex < BOOST_RPM_COUNT; rpmIndex++) {
            config->boostTableClosedLoop[loadIndex][rpmIndex] = (float)config->boostClosedLoopLoadBins[loadIndex];
        }
    }
 
    // Defaults for ETB-style wastegate actuator
    engineConfiguration->etbWastegatePid.pFactor = 1;
    engineConfiguration->etbWastegatePid.minValue = -60;
    engineConfiguration->etbWastegatePid.maxValue = 60;
}

Referenced by setDefaultEngineConfiguration().

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startBoostPin()

void startBoostPin

(

)

Definition at line 324 of file boost_control.cpp.

                     {
#if !EFI_UNIT_TEST
    // Only init if a pin is set, no need to start PWM without a pin
    if (!engineConfiguration->isBoostControlEnabled || !isBrainPinValid(engineConfiguration->boostControlPin)) {
        return;
    }
 
    startSimplePwm(
        &boostPwmControl,
        "Boost",
        &engine->scheduler,
        &enginePins.boostPin,
        engineConfiguration->boostPwmFrequency,
        /*dutyCycle*/0
    );
#endif /* EFI_UNIT_TEST */
}

Referenced by applyNewHardwareSettings(), and initBoostCtrl().

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