46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
#include "global.h"
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#include "engine.h"
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#include "speed_density_airmass.h"
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#include "map.h"
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#include "perf_trace.h"
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EXTERN_ENGINE;
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AirmassResult SpeedDensityAirmass::getAirmass(int rpm) {
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ScopePerf perf(PE::GetSpeedDensityFuel);
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/**
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* most of the values are pre-calculated for performance reasons
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*/
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float tChargeK = ENGINE(engineState.sd.tChargeK);
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if (cisnan(tChargeK)) {
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warning(CUSTOM_ERR_TCHARGE_NOT_READY2, "tChargeK not ready"); // this would happen before we have CLT reading for example
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return {};
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}
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float map = getMap(PASS_ENGINE_PARAMETER_SIGNATURE);
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efiAssert(CUSTOM_ERR_ASSERT, !cisnan(map), "NaN map", {});
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engine->engineState.sd.manifoldAirPressureAccelerationAdjustment = engine->engineLoadAccelEnrichment.getEngineLoadEnrichment(PASS_ENGINE_PARAMETER_SIGNATURE);
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float adjustedMap = engine->engineState.sd.adjustedManifoldAirPressure = map + engine->engineState.sd.manifoldAirPressureAccelerationAdjustment;
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efiAssert(CUSTOM_ERR_ASSERT, !cisnan(adjustedMap), "NaN adjustedMap", {});
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float ve = getVe(rpm, adjustedMap);
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float airMass = getAirmassImpl(ve, adjustedMap, tChargeK PASS_ENGINE_PARAMETER_SUFFIX);
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if (cisnan(airMass)) {
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warning(CUSTOM_ERR_6685, "NaN airMass");
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return {};
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}
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#if EFI_PRINTF_FUEL_DETAILS
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printf("getSpeedDensityAirmass map=%.2f adjustedMap=%.2f airMass=%.2f\t\n",
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map, adjustedMap, engine->engineState.sd.adjustedManifoldAirPressure);
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#endif /*EFI_PRINTF_FUEL_DETAILS */
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return {
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airMass,
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map, // AFR/VE table Y axis
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};
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}
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