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Impl. primeInjFalloffTemperature (#531)

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andreika-git 2018-01-03 15:00:39 +02:00 committed by rusefi
parent 77af791223
commit d3f8d05115
1 changed files with 6 additions and 1 deletions
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7
firmware/controllers/trigger/main_trigger_callback.cpp
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@ -538,7 +538,12 @@ static void startPrimeInjectionPulse(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
scheduling_s *sDown = &ENGINE(fuelActuators[0]).signalTimerDown; scheduling_s *sDown = &ENGINE(fuelActuators[0]).signalTimerDown;
startSimultaniousInjection(&primeInjEvent); startSimultaniousInjection(&primeInjEvent);
efitimeus_t turnOffTime = getTimeNowUs() + MS2US(CONFIG(startOfCrankingPrimingPulse)); // When the engine is hot, basically we don't need prime inj.pulse, so we use an interpolation over temperature (falloff).
// If 'primeInjFalloffTemperature' is not specified (by default), we have a prime pulse deactivation at zero celsius degrees, which is okay.
const float maxPrimeInjAtTemperature = -40.0f; // at this temperature the pulse is maximal.
float pulseLength = interpolateClamped(maxPrimeInjAtTemperature, CONFIG(startOfCrankingPrimingPulse),
CONFIG(primeInjFalloffTemperature), 0.0f, ENGINE(sensors.clt));
efitimeus_t turnOffTime = getTimeNowUs() + MS2US((int)efiRound(pulseLength, 1.0f));
scheduleTask(sDown, turnOffTime, (schfunc_t) &endSimultaniousInjection, &primeInjEvent); scheduleTask(sDown, turnOffTime, (schfunc_t) &endSimultaniousInjection, &primeInjEvent);
} }
// we'll reset it later when the engine starts // we'll reset it later when the engine starts