mirror of https://github.com/rusefi/rusefi.git
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/**
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* @file engine_math.h
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*
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* @date Jul 13, 2013
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#pragma once
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#include "rusefi_enums.h"
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void setAlgorithm(engine_load_mode_e algo);
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void setFlatInjectorLag(float value);
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/**
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* @return time needed to rotate crankshaft by one degree, in milliseconds.
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* @deprecated use at least Us, maybe even Nt
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*/
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#define getOneDegreeTimeMs(rpm) (1000.0f * 60 / 360 / (rpm))
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/**
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* @return float, time needed to rotate crankshaft by one degree, in microseconds.
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* See also engine->rpmCalculator.oneDegreeUs
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*/
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#define getOneDegreeTimeUs(rpm) (1000000.0f * 60 / 360 / (rpm))
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floatms_t getCrankshaftRevolutionTimeMs(int rpm);
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floatms_t getEngineCycleDuration(int rpm);
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float getFuelingLoad();
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float getIgnitionLoad();
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floatms_t getSparkDwell(int rpm);
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ignition_mode_e getCurrentIgnitionMode();
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size_t getFiringOrderCylinderId(size_t index);
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size_t getNextFiringCylinderId(size_t prevCylinderId);
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void setTimingRpmBin(float from, float to);
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void setSingleCoilDwell();
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// we combine trigger-defined triggerShape.tdcPosition with user-defined engineConfiguration->globalTriggerAngleOffset
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// expectation is that for well-known triggers engineConfiguration->globalTriggerAngleOffset would usually be zero
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// while for toothed wheels user would have to provide a value
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#define tdcPosition() \
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(getTriggerCentral()->triggerShape.tdcPosition + engineConfiguration->globalTriggerAngleOffset)
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/** Gets phase offset for a particular cylinder's ID and number
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* For example on 4 cylinder engine with firing order 1-3-4-2, this
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* returns 0-180-360-540 for index 0-1-2-3
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* Cylinder number is used for per-cylinder adjustment, if you have
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* an odd-fire engine (v-twin, V10, some v6, etc)
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*/
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angle_t getPerCylinderFiringOrderOffset(uint8_t cylinderIndex, uint8_t cylinderNumber);
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// Table blending helpers
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struct BlendResult {
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// Input blend parameter (lookup to bias table)
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float BlendParameter;
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// Bias in percent (0-100%)
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float Bias;
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// Result value (bias * table value)
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float Value;
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};
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BlendResult calculateBlend(blend_table_s& cfg, float rpm, float load);
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