spark_logic.cpp

Go to the documentation of this file.

/*
 * @file spark_logic.cpp
 *
 * @date Sep 15, 2016
 * @author Andrey Belomutskiy, (c) 2012-2020
 */
 
#include "pch.h"
 
#include "spark_logic.h"
 
#include "utlist.h"
#include "event_queue.h"
 
#include "knock_logic.h"
 
#if EFI_ENGINE_CONTROL
 
#if EFI_UNIT_TEST
extern bool verboseMode;
#endif /* EFI_UNIT_TEST */
 
#if EFI_PRINTF_FUEL_DETAILS || FUEL_MATH_EXTREME_LOGGING
    extern bool printFuelDebug;
#endif // EFI_PRINTF_FUEL_DETAILS
 
static const char *prevSparkName = nullptr;
 
static void fireSparkBySettingPinLow(IgnitionEvent *event, IgnitionOutputPin *output) {
#if SPARK_EXTREME_LOGGING
    efiPrintf("spark goes low  revolution=%d [%s] %d current=%d cnt=%d id=%d", getRevolutionCounter(), output->getName(), (int)getTimeNowUs(),
            output->currentLogicValue, output->outOfOrder, event->sparkCounter);
#endif /* SPARK_EXTREME_LOGGING */
 
    /**
     * there are two kinds of 'out-of-order'
     * 1) low goes before high, everything is fine afterwards
     *
     * 2) we have an un-matched low followed by legit pairs
     */
 
    output->signalFallSparkId = event->sparkCounter;
 
    if (!output->currentLogicValue && !event->wasSparkLimited) {
#if SPARK_EXTREME_LOGGING
        printf("out-of-order coil off %s", output->getName());
#endif /* SPARK_EXTREME_LOGGING */
        warning(ObdCode::CUSTOM_OUT_OF_ORDER_COIL, "out-of-order coil off %s", output->getName());
        // todo: drop this year 2016 outOfOrder in favor of 2024 [tag] #6349 handling?
        output->outOfOrder = true;
    }
    output->setLow();
}
 
static void assertPinAssigned(IgnitionOutputPin* output) {
    if (!output->isInitialized()) {
        warning(ObdCode::CUSTOM_OBD_COIL_PIN_NOT_ASSIGNED, "Pin Not Assigned check configuration #%s", output->getName()); \
    }
}
 
/**
 * @param cylinderIndex from 0 to cylinderCount, not cylinder number
 */
static int getIgnitionPinForIndex(int cylinderIndex, ignition_mode_e ignitionMode) {
    switch (ignitionMode) {
    case IM_ONE_COIL:
        return 0;
    case IM_WASTED_SPARK: {
        if (engineConfiguration->cylindersCount == 1) {
            // we do not want to divide by zero
            return 0;
        }
        return cylinderIndex % (engineConfiguration->cylindersCount / 2);
    }
    case IM_INDIVIDUAL_COILS:
        return cylinderIndex;
    case IM_TWO_COILS:
        return cylinderIndex % 2;
 
    default:
        firmwareError(ObdCode::CUSTOM_OBD_IGNITION_MODE, "Invalid ignition mode getIgnitionPinForIndex(): %d", engineConfiguration->ignitionMode);
        return 0;
    }
}
 
static void prepareCylinderIgnitionSchedule(angle_t dwellAngleDuration, floatms_t sparkDwell, IgnitionEvent *event) {
    // todo: clean up this implementation? does not look too nice as is.
 
    // let's save planned duration so that we can later compare it with reality
    event->sparkDwell = sparkDwell;
 
    auto ignitionMode = getCurrentIgnitionMode();
    const int index = getIgnitionPinForIndex(event->cylinderIndex, ignitionMode);
    const int coilIndex = ID2INDEX(getFiringOrderCylinderId(index));
    angle_t finalIgnitionTiming =   getEngineState()->timingAdvance[coilIndex];
    // Stash which cylinder we're scheduling so that knock sensing knows which
    // cylinder just fired
    event->coilIndex = coilIndex;
 
    // 10 ATDC ends up as 710, convert it to -10 so we can log and clamp correctly
    if (finalIgnitionTiming > 360) {
        finalIgnitionTiming -= 720;
    }
 
    // Clamp the final ignition timing to the configured limits
    // finalIgnitionTiming is deg BTDC
    // minimumIgnitionTiming limits maximum retard
    // maximumIgnitionTiming limits maximum advance
    /*
    https://github.com/rusefi/rusefi/issues/5894 disabling feature for now
    finalIgnitionTiming = clampF(engineConfiguration->minimumIgnitionTiming, finalIgnitionTiming, engineConfiguration->maximumIgnitionTiming);
    */
 
    engine->outputChannels.ignitionAdvanceCyl[event->cylinderIndex] = finalIgnitionTiming;
 
    angle_t sparkAngle =
        // Negate because timing *before* TDC, and we schedule *after* TDC
        - finalIgnitionTiming
        // Offset by this cylinder's position in the cycle
        + getPerCylinderFiringOrderOffset(event->cylinderIndex, coilIndex);
 
    efiAssertVoid(ObdCode::CUSTOM_SPARK_ANGLE_1, !cisnan(sparkAngle), "sparkAngle#1");
    wrapAngle(sparkAngle, "findAngle#2", ObdCode::CUSTOM_ERR_6550);
    event->sparkAngle = sparkAngle;
 
    engine->outputChannels.currentIgnitionMode = static_cast<uint8_t>(ignitionMode);
 
    IgnitionOutputPin *output = &enginePins.coils[coilIndex];
    event->outputs[0] = output;
    IgnitionOutputPin *secondOutput;
 
    // We need two outputs if:
    //  - we are running wasted spark, and have "two wire" mode enabled
    //  - We are running sequential mode, but we're cranking, so we should run in two wire wasted mode (not one wire wasted)
    bool isTwoWireWasted = engineConfiguration->twoWireBatchIgnition || (engineConfiguration->ignitionMode == IM_INDIVIDUAL_COILS);
    if (ignitionMode == IM_WASTED_SPARK && isTwoWireWasted) {
        int secondIndex = index + engineConfiguration->cylindersCount / 2;
        int secondCoilIndex = ID2INDEX(getFiringOrderCylinderId(secondIndex));
        secondOutput = &enginePins.coils[secondCoilIndex];
        assertPinAssigned(secondOutput);
    } else {
        secondOutput = nullptr;
    }
 
    assertPinAssigned(output);
 
    event->outputs[1] = secondOutput;
 
 
    angle_t dwellStartAngle = sparkAngle - dwellAngleDuration;
    efiAssertVoid(ObdCode::CUSTOM_ERR_6590, !cisnan(dwellStartAngle), "findAngle#5");
 
    assertAngleRange(dwellStartAngle, "findAngle dwellStartAngle", ObdCode::CUSTOM_ERR_6550);
    wrapAngle(dwellStartAngle, "findAngle#7", ObdCode::CUSTOM_ERR_6550);
    event->dwellAngle = dwellStartAngle;
 
#if FUEL_MATH_EXTREME_LOGGING
    if (printFuelDebug) {
        printf("addIgnitionEvent %s angle=%.1f\n", output->getName(), dwellStartAngle);
    }
    //  efiPrintf("addIgnitionEvent %s ind=%d", output->name, event->dwellPosition->eventIndex);
#endif /* FUEL_MATH_EXTREME_LOGGING */
}
 
static void chargeTrailingSpark(IgnitionOutputPin* pin) {
#if SPARK_EXTREME_LOGGING
    efiPrintf("chargeTrailingSpark %s", pin->getName());
#endif /* SPARK_EXTREME_LOGGING */
    pin->setHigh();
}
 
static void fireTrailingSpark(IgnitionOutputPin* pin) {
#if SPARK_EXTREME_LOGGING
    efiPrintf("fireTrailingSpark %s", pin->getName());
#endif /* SPARK_EXTREME_LOGGING */
    pin->setLow();
}
 
static void overFireSparkAndPrepareNextSchedule(IgnitionEvent *event) {
#if SPARK_EXTREME_LOGGING
    efiPrintf("overFireSparkAndPrepareNextSchedule %s", event->outputs[0]->getName());
#endif /* SPARK_EXTREME_LOGGING */
  engine->engineState.overDwellCounter++;
    fireSparkAndPrepareNextSchedule(event);
}
 
void fireSparkAndPrepareNextSchedule(IgnitionEvent *event) {
#if EFI_UNIT_TEST
    if (engine->onIgnitionEvent) {
        engine->onIgnitionEvent(event, false);
    }
#endif
 
    for (int i = 0; i< MAX_OUTPUTS_FOR_IGNITION;i++) {
        IgnitionOutputPin *output = event->outputs[i];
 
        if (output) {
            fireSparkBySettingPinLow(event, output);
        }
    }
 
    efitick_t nowNt = getTimeNowNt();
 
#if EFI_TOOTH_LOGGER
    LogTriggerCoilState(nowNt, false);
#endif // EFI_TOOTH_LOGGER
 
#if !EFI_UNIT_TEST
if (engineConfiguration->debugMode == DBG_DWELL_METRIC) {
#if EFI_TUNER_STUDIO
    uint32_t actualDwellDurationNt = getTimeNowLowerNt() - event->actualStartOfDwellNt;
    /**
     * ratio of desired dwell duration to actual dwell duration gives us some idea of how good is input trigger jitter
     */
    float ratio = NT2US(actualDwellDurationNt) / 1000.0 / event->sparkDwell;
 
    // todo: smarted solution for index to field mapping
    switch (event->cylinderIndex) {
    case 0:
        engine->outputChannels.debugFloatField1 = ratio;
        break;
    case 1:
        engine->outputChannels.debugFloatField2 = ratio;
        break;
    case 2:
        engine->outputChannels.debugFloatField3 = ratio;
        break;
    case 3:
        engine->outputChannels.debugFloatField4 = ratio;
        break;
    }
#endif
 
    }
#endif /* EFI_UNIT_TEST */
    // now that we've just fired a coil let's prepare the new schedule for the next engine revolution
 
    angle_t dwellAngleDuration = engine->ignitionState.dwellDurationAngle;
    floatms_t sparkDwell = engine->ignitionState.sparkDwell;
    if (cisnan(dwellAngleDuration) || cisnan(sparkDwell)) {
        // we are here if engine has just stopped
        return;
    }
 
    // If there are more sparks to fire, schedule them
    if (event->sparksRemaining > 0) {
        event->sparksRemaining--;
 
        efitick_t nextDwellStart = nowNt + engine->engineState.multispark.delay;
        efitick_t nextFiring = nextDwellStart + engine->engineState.multispark.dwell;
#if SPARK_EXTREME_LOGGING
    efiPrintf("schedule multispark");
#endif /* SPARK_EXTREME_LOGGING */
 
        // We can schedule both of these right away, since we're going for "asap" not "particular angle"
        engine->executor.scheduleByTimestampNt("dwell", &event->dwellStartTimer, nextDwellStart, { &turnSparkPinHighStartCharging, event });
        engine->executor.scheduleByTimestampNt("firing", &event->sparkEvent.scheduling, nextFiring, { fireSparkAndPrepareNextSchedule, event });
    } else {
        if (engineConfiguration->enableTrailingSparks) {
#if SPARK_EXTREME_LOGGING
    efiPrintf("scheduleByAngle TrailingSparks");
#endif /* SPARK_EXTREME_LOGGING */
 
            // Trailing sparks are enabled - schedule an event for the corresponding trailing coil
            scheduleByAngle(
                &event->trailingSparkFire, nowNt, engine->engineState.trailingSparkAngle,
                { &fireTrailingSpark, &enginePins.trailingCoils[event->coilIndex] }
            );
        }
 
        // If all events have been scheduled, prepare for next time.
        prepareCylinderIgnitionSchedule(dwellAngleDuration, sparkDwell, event);
    }
 
    engine->onSparkFireKnockSense(event->coilIndex, nowNt);
}
 
static bool startDwellByTurningSparkPinHigh(IgnitionEvent *event, IgnitionOutputPin *output) {
    // todo: no reason for this to be disabled in unit_test mode?!
#if ! EFI_UNIT_TEST
 
    if (Sensor::getOrZero(SensorType::Rpm) > 2 * engineConfiguration->cranking.rpm) {
        const char *outputName = output->getName();
        if (prevSparkName == outputName && getCurrentIgnitionMode() != IM_ONE_COIL) {
            warning(ObdCode::CUSTOM_OBD_SKIPPED_SPARK, "looks like skipped spark event revolution=%d [%s]", getRevolutionCounter(), outputName);
        }
        prevSparkName = outputName;
    }
#endif /* EFI_UNIT_TEST */
 
 
#if SPARK_EXTREME_LOGGING
    efiPrintf("spark goes high revolution=%d [%s] %d current=%d cnt=%d id=%d", getRevolutionCounter(), output->getName(), (int)getTimeNowUs(),
            output->currentLogicValue, output->outOfOrder, event->sparkCounter);
#endif /* SPARK_EXTREME_LOGGING */
 
        if (output->signalFallSparkId >= event->sparkCounter) {
          /**
           * fact: we schedule both start of dwell and spark firing using a combination of time and trigger event domain
           * in case of bad/noisy signal we can get unexpected trigger events and a small time delay for spark firing before
           * we even start dwell if it scheduled with a longer time-only delay with fewer trigger events
           *
           * here we are detecting such out-of-order processing and choose the safer route of not even starting dwell
           * [tag] #6349
           */
 
#if SPARK_EXTREME_LOGGING
            efiPrintf("[%s] bail spark dwell\n", output->getName());
#endif /* SPARK_EXTREME_LOGGING */
            // let's save this coil if things do not look right
            engine->engineState.sparkOutOfOrderCounter++;
            return true;
        }
 
    if (output->outOfOrder) {
        output->outOfOrder = false;
        if (output->signalFallSparkId == event->sparkCounter) {
            // let's save this coil if things do not look right
            engine->engineState.sparkOutOfOrderCounter++;
            return true;
        }
    }
 
    output->setHigh();
    return false;
}
 
void turnSparkPinHighStartCharging(IgnitionEvent *event) {
    event->actualStartOfDwellNt = getTimeNowLowerNt();
 
    efitick_t nowNt = getTimeNowNt();
 
  bool skippedDwellDueToTriggerNoised = false;
    for (int i = 0; i< MAX_OUTPUTS_FOR_IGNITION;i++) {
        IgnitionOutputPin *output = event->outputs[i];
        if (output != NULL) {
            skippedDwellDueToTriggerNoised |= startDwellByTurningSparkPinHigh(event, output);
        }
    }
 
#if EFI_UNIT_TEST
  event->bailedOnDwell = skippedDwellDueToTriggerNoised;
#endif
 
 
  if (!skippedDwellDueToTriggerNoised) {
 
#if EFI_UNIT_TEST
    if (engine->onIgnitionEvent) {
        engine->onIgnitionEvent(event, true);
      }
#endif
 
#if EFI_TOOTH_LOGGER
      LogTriggerCoilState(nowNt, true);
#endif // EFI_TOOTH_LOGGER
  }
 
 
    if (engineConfiguration->enableTrailingSparks) {
        IgnitionOutputPin *output = &enginePins.trailingCoils[event->coilIndex];
        // Trailing sparks are enabled - schedule an event for the corresponding trailing coil
        scheduleByAngle(
            &event->trailingSparkCharge, nowNt, engine->engineState.trailingSparkAngle,
            { &chargeTrailingSpark, output }
        );
    }
}
 
#if EFI_PROD_CODE
  #define ENABLE_OVERDWELL_PROTECTION (true)
#else
  #define ENABLE_OVERDWELL_PROTECTION (engine->enableOverdwellProtection)
#endif
 
static void scheduleSparkEvent(bool limitedSpark, IgnitionEvent *event,
        int rpm, efitick_t edgeTimestamp, float currentPhase, float nextPhase) {
 
    angle_t sparkAngle = event->sparkAngle;
    const floatms_t dwellMs = engine->ignitionState.sparkDwell;
    if (cisnan(dwellMs) || dwellMs <= 0) {
        warning(ObdCode::CUSTOM_DWELL, "invalid dwell to handle: %.2f at %d", dwellMs, rpm);
        return;
    }
    if (cisnan(sparkAngle)) {
        warning(ObdCode::CUSTOM_ADVANCE_SPARK, "NaN advance");
        return;
    }
 
    float angleOffset = event->dwellAngle - currentPhase;
    if (angleOffset < 0) {
        angleOffset += engine->engineState.engineCycle;
    }
 
    /**
     * By the way 32-bit value should hold at least 400 hours of events at 6K RPM x 12 events per revolution
     */
    event->sparkCounter = engine->engineState.globalSparkCounter++;
    event->wasSparkLimited = limitedSpark;
 
    efitick_t chargeTime = 0;
 
    /**
     * The start of charge is always within the current trigger event range, so just plain time-based scheduling
     */
    if (!limitedSpark) {
#if SPARK_EXTREME_LOGGING
        efiPrintf("scheduling sparkUp revolution=%d [%s] now=%d %d later id=%d", getRevolutionCounter(), event->getOutputForLoggins()->getName(), (int)getTimeNowUs(), (int)angleOffset,
                event->sparkCounter);
#endif /* SPARK_EXTREME_LOGGING */
 
 
    /**
         * Note how we do not check if spark is limited or not while scheduling 'spark down'
         * This way we make sure that coil dwell started while spark was enabled would fire and not burn
         * the coil.
         */
        chargeTime = scheduleByAngle(&event->dwellStartTimer, edgeTimestamp, angleOffset, { &turnSparkPinHighStartCharging, event });
 
        event->sparksRemaining = engine->engineState.multispark.count;
    } else {
        // don't fire multispark if spark is cut completely!
        event->sparksRemaining = 0;
    }
 
    /**
     * Spark event is often happening during a later trigger event timeframe
     */
 
    efiAssertVoid(ObdCode::CUSTOM_ERR_6591, !cisnan(sparkAngle), "findAngle#4");
    assertAngleRange(sparkAngle, "findAngle#a5", ObdCode::CUSTOM_ERR_6549);
 
    bool isTimeScheduled = engine->module<TriggerScheduler>()->scheduleOrQueue(
            "spark",
        &event->sparkEvent, edgeTimestamp, sparkAngle,
        { fireSparkAndPrepareNextSchedule, event },
        currentPhase, nextPhase);
 
    if (isTimeScheduled) {
      // event was scheduled by time, we expect it to happen reliably
#if SPARK_EXTREME_LOGGING
        efiPrintf("scheduling sparkDown revolution=%d [%s] now=%d later id=%d", getRevolutionCounter(), event->getOutputForLoggins()->getName(), (int)getTimeNowUs(), event->sparkCounter);
#endif /* FUEL_MATH_EXTREME_LOGGING */
    } else {
      // event was queued in relation to some expected tooth event in the future which might just never come so we shall protect from over-dwell
#if SPARK_EXTREME_LOGGING
        efiPrintf("to queue sparkDown revolution=%d [%s] now=%d for id=%d angle=%.1f", getRevolutionCounter(), event->getOutputForLoggins()->getName(), (int)getTimeNowUs(), event->sparkCounter, sparkAngle);
#endif /* SPARK_EXTREME_LOGGING */
 
        if (!limitedSpark && ENABLE_OVERDWELL_PROTECTION) {
            // auto fire spark at 1.5x nominal dwell
            efitick_t fireTime = chargeTime + MSF2NT(1.5f * dwellMs);
 
#if SPARK_EXTREME_LOGGING
        efiPrintf("scheduling overdwell sparkDown revolution=%d [%s] for %d", getRevolutionCounter(), event->getOutputForLoggins()->getName(), fireTime);
#endif /* SPARK_EXTREME_LOGGING */
 
      /**
       * todo one: explicit unit test for this mechanism see https://github.com/rusefi/rusefi/issues/6373
       * todo two: can we please comprehend/document how this even works? we seem to be reusing 'sparkEvent.scheduling' instance
       * and it looks like current (smart?) re-queuing is effectively cancelling out the overdwell? is that the way this was intended to work?
       */
            engine->executor.scheduleByTimestampNt("overdwell", &event->sparkEvent.scheduling, fireTime, { overFireSparkAndPrepareNextSchedule, event });
        } else {
          engine->engineState.overDwellNotScheduledCounter++;
        }
    }
 
#if EFI_UNIT_TEST
    if (verboseMode) {
        printf("spark dwell@ %.1f spark@ %.2f id=%d sparkCounter=%d\r\n", event->dwellAngle,
            event->sparkEvent.getAngle(),
            event->coilIndex,
            event->sparkCounter);
    }
#endif
}
 
void initializeIgnitionActions() {
    IgnitionEventList *list = &engine->ignitionEvents;
    angle_t dwellAngle = engine->ignitionState.dwellDurationAngle;
    floatms_t sparkDwell = engine->ignitionState.sparkDwell;
    if (cisnan(engine->engineState.timingAdvance[0]) || cisnan(dwellAngle)) {
        // error should already be reported
        // need to invalidate previous ignition schedule
        list->isReady = false;
        return;
    }
    efiAssertVoid(ObdCode::CUSTOM_ERR_6592, engineConfiguration->cylindersCount > 0, "cylindersCount");
 
    for (size_t cylinderIndex = 0; cylinderIndex < engineConfiguration->cylindersCount; cylinderIndex++) {
        list->elements[cylinderIndex].cylinderIndex = cylinderIndex;
        prepareCylinderIgnitionSchedule(dwellAngle, sparkDwell, &list->elements[cylinderIndex]);
    }
    list->isReady = true;
}
 
static void prepareIgnitionSchedule() {
    ScopePerf perf(PE::PrepareIgnitionSchedule);
 
    /**
     * TODO: warning. there is a bit of a hack here, todo: improve.
     * currently output signals/times dwellStartTimer from the previous revolutions could be
     * still used because they have crossed the revolution boundary
     * but we are already re-purposing the output signals, but everything works because we
     * are not affecting that space in memory. todo: use two instances of 'ignitionSignals'
     */
    operation_mode_e operationMode = getEngineRotationState()->getOperationMode();
    float maxAllowedDwellAngle = (int) (getEngineCycle(operationMode) / 2); // the cast is about making Coverity happy
 
    if (getCurrentIgnitionMode() == IM_ONE_COIL) {
        maxAllowedDwellAngle = getEngineCycle(operationMode) / engineConfiguration->cylindersCount / 1.1;
    }
 
    if (engine->ignitionState.dwellDurationAngle == 0) {
        warning(ObdCode::CUSTOM_ZERO_DWELL, "dwell is zero?");
    }
    if (engine->ignitionState.dwellDurationAngle > maxAllowedDwellAngle) {
        warning(ObdCode::CUSTOM_DWELL_TOO_LONG, "dwell angle too long: %.2f", engine->ignitionState.dwellDurationAngle);
    }
 
    // todo: add some check for dwell overflow? like 4 times 6 ms while engine cycle is less then that
 
    initializeIgnitionActions();
}
 
void onTriggerEventSparkLogic(int rpm, efitick_t edgeTimestamp, float currentPhase, float nextPhase) {
    ScopePerf perf(PE::OnTriggerEventSparkLogic);
 
    if (!isValidRpm(rpm) || !engineConfiguration->isIgnitionEnabled) {
         // this might happen for instance in case of a single trigger event after a pause
        return;
    }
 
    LimpState limitedSparkState = getLimpManager()->allowIgnition();
 
    // todo: eliminate state copy logic by giving limpManager it's owm limp_manager.txt and leveraging LiveData
    engine->outputChannels.sparkCutReason = (int8_t)limitedSparkState.reason;
    bool limitedSpark = !limitedSparkState.value;
 
    if (!engine->ignitionEvents.isReady) {
        prepareIgnitionSchedule();
    }
 
 
    /**
     * Ignition schedule is defined once per revolution
     * See initializeIgnitionActions()
     */
 
 
//  scheduleSimpleMsg(&logger, "eventId spark ", eventIndex);
    if (engine->ignitionEvents.isReady) {
        for (size_t i = 0; i < engineConfiguration->cylindersCount; i++) {
            IgnitionEvent *event = &engine->ignitionEvents.elements[i];
 
            if (!isPhaseInRange(event->dwellAngle, currentPhase, nextPhase)) {
                continue;
            }
 
            if (i == 0 && engineConfiguration->artificialTestMisfire && (getRevolutionCounter() % ((int)engineConfiguration->scriptSetting[5]) == 0)) {
                // artificial misfire on cylinder #1 for testing purposes
                // enable artificialMisfire
                // set_fsio_setting 6 20
                warning(ObdCode::CUSTOM_ARTIFICIAL_MISFIRE, "artificial misfire on cylinder #1 for testing purposes %d", engine->engineState.globalSparkCounter);
                continue;
            }
#if EFI_LAUNCH_CONTROL
            bool sparkLimited = engine->softSparkLimiter.shouldSkip() || engine->hardSparkLimiter.shouldSkip();
            engine->ignitionState.luaIgnitionSkip = sparkLimited;
            if (sparkLimited) {
                continue;
            }
#endif // EFI_LAUNCH_CONTROL
 
#if EFI_ANTILAG_SYSTEM && EFI_LAUNCH_CONTROL
       if (engine->antilagController.isAntilagCondition) {
            if (engine->ALSsoftSparkLimiter.shouldSkip()) {
                continue;
            }
        }
        float throttleIntent = Sensor::getOrZero(SensorType::DriverThrottleIntent);
        engine->antilagController.timingALSSkip = interpolate3d(
            config->ALSIgnSkipTable,
            config->alsIgnSkipLoadBins, throttleIntent,
            config->alsIgnSkiprpmBins, rpm
        );
 
            auto ALSSkipRatio = engine->antilagController.timingALSSkip;
            engine->ALSsoftSparkLimiter.setTargetSkipRatio(ALSSkipRatio/100);
#endif // EFI_ANTILAG_SYSTEM
 
            scheduleSparkEvent(limitedSpark, event, rpm, edgeTimestamp, currentPhase, nextPhase);
        }
    }
}
 
/**
 * Number of sparks per physical coil
 * @see getNumberOfInjections
 */
int getNumberOfSparks(ignition_mode_e mode) {
    switch (mode) {
    case IM_ONE_COIL:
        return engineConfiguration->cylindersCount;
    case IM_TWO_COILS:
        return engineConfiguration->cylindersCount / 2;
    case IM_INDIVIDUAL_COILS:
        return 1;
    case IM_WASTED_SPARK:
        return 2;
    default:
        firmwareError(ObdCode::CUSTOM_ERR_IGNITION_MODE, "Unexpected ignition_mode_e %d", mode);
        return 1;
    }
}
 
/**
 * @see getInjectorDutyCycle
 */
percent_t getCoilDutyCycle(int rpm) {
    floatms_t totalPerCycle = engine->ignitionState.sparkDwell * getNumberOfSparks(getCurrentIgnitionMode());
    floatms_t engineCycleDuration = getCrankshaftRevolutionTimeMs(rpm) * (getEngineRotationState()->getOperationMode() == TWO_STROKE ? 1 : 2);
    return 100 * totalPerCycle / engineCycleDuration;
}
 
#endif // EFI_ENGINE_CONTROL