long_term_fuel_trim.h

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// file long_term_fuel_trim.h
 
#pragma once
 
#include "closed_loop_fuel.h"
#include "long_term_fuel_trim_state_generated.h"
 
struct LtftState {
  // todo: probably reuse page_2_generated.h?
    float trims[FT_BANK_COUNT][VE_LOAD_COUNT][VE_RPM_COUNT];
 
    void save();
    void load();
    void reset();
    void applyToVe();
    // Development only, to be removed
    void fillRandom();
};
 
class LongTermFuelTrim : public EngineModule, public long_term_fuel_trim_state_s {
public:
    // EngineModule implementation
    void onSlowCallback() override;
    bool needsDelayedShutoff() override;
 
    void init(LtftState *state);
    void learn(ClosedLoopFuelResult clResult, float rpm, float fuelLoad);
    ClosedLoopFuelResult getTrims(float rpm, float fuelLoad);
    void load();
    void store();
    void reset();
    void applyTrimsToVe();
    bool isVeUpdated();
    void onLiveDataRead();
    // Development only, to be removed
    void fillRandom();
 
private:
    LtftState *m_state;
    // TODO: move to livedata and kill isVeUpdated() ?
    bool veNeedRefresh = false;
    bool showUpdateToUser = false;
 
    float getIntegratorGain(const ltft_s& cfg, ft_region_e region) const;
    float getMaxAdjustment(const ltft_s& cfg) const;
    float getMinAdjustment(const ltft_s& cfg) const;
 
    Timer pageRefreshTimer{};
};
 
void initLtft();
void resetLongTermFuelTrim();
void applyLongTermFuelTrimToVe();
bool ltftNeedVeRefresh();
void devPokeLongTermFuelTrim();
 
void *ltftGetTsPage();
LtftState *ltftGetState();
size_t ltftGetTsPageSize();