harley_acr.cpp File Reference

Functions
static bool	getAcrState ()

Function Documentation

getAcrState()

static bool getAcrState ( )

static

Definition at line 15 of file harley_acr.cpp.

                          {
    bool engineMovedRecently = getTriggerCentral()->engineMovedRecently();
    engine->engineState.acrEngineMovedRecently = engineMovedRecently;
    auto currentPhase = getTriggerCentral()->getCurrentEnginePhase(getTimeNowNt());
    if (!currentPhase) {
        return engineMovedRecently;
    }
 
    // Turn off the valve if the engine isn't moving - no sense wasting power on a stopped engine
    if (!engineMovedRecently) {
        return false;
    }
 
    int revCount = getTriggerCentral()->triggerState.getSynchronizationCounter();
    if (revCount > engineConfiguration->acrRevolutions) {
        // Enough revs have elapsed that we're done with ACR
        return false;
    } else if (revCount == engineConfiguration->acrRevolutions) {
        float wrappedPhase = currentPhase.Value > 360 ? currentPhase.Value - 360 : currentPhase.Value;
 
        // We're on the rev where ACR should be disabled part way through
        if (wrappedPhase > engineConfiguration->acrDisablePhase) {
            return false;
        } else {
            // Not enough phase elapsed, ACR still active
            return true;
        }
    } else {
        // ACR active - not enough revs completed
        return true;
    }
}

Referenced by HarleyAcr::onSlowCallback().

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