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pause closed loop fuel after cuts 

(cherry picked from commit a861d76da6)
This commit is contained in:
Matthew Kennedy 2023-03-02 14:42:12 -05:00 committed by rusefillc
parent 1d7d988c42
commit 25a3589edf
3 changed files with 22 additions and 1 deletions
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11
firmware/controllers/limp_manager.cpp
View File

@ -48,7 +48,7 @@ void LimpManager::updateRevLimit(int rpm) {
m_revLimitLow = m_revLimit - engineConfiguration->rpmHardLimitHyst;
m_timingRetard = interpolateClamped(m_revLimitLow, 0, m_revLimit, engineConfiguration->rpmSoftLimitTimingRetard, rpm);
percent_t fuelAdded = interpolateClamped(m_revLimitLow, 0, m_revLimit, engineConfiguration->rpmSoftLimitFuelAdded, rpm);
m_fuelCorrection = 1.0f + fuelAdded / 100;
}
@ -182,6 +182,11 @@ todo AndreiKA this change breaks 22 unit tests?
m_transientAllowInjection = allowFuel;
m_transientAllowIgnition = allowSpark;
if (!m_transientAllowInjection || !m_transientAllowIgnition) {
// Tracks the last time any cut happened
m_lastCutTime.reset(nowNt);
}
}
void LimpManager::onIgnitionStateChanged(bool ignitionOn) {
@ -247,3 +252,7 @@ float LimpManager::getLimitingFuelCorrection() const {
return 1.0f; // no correction
return m_fuelCorrection;
}
float LimpManager::getTimeSinceAnyCut() const {
return m_lastCutTime.getElapsedSeconds();
}

5
firmware/controllers/limp_manager.h
View File

@ -111,6 +111,8 @@ public:
LimpState allowInjection() const;
LimpState allowIgnition() const;
float getTimeSinceAnyCut() const;
bool allowTriggerInput() const;
void updateRevLimit(int rpm);
@ -150,6 +152,9 @@ private:
// todo: migrate to engineState->desiredRpmLimit to get this variable logged
float m_revLimit;
float m_revLimitLow;
// Tracks how long since a cut (ignition or fuel) was active for any reason
Timer m_lastCutTime;
};
LimpManager * getLimpManager();

7
firmware/controllers/math/closed_loop_fuel.cpp
View File

@ -93,6 +93,13 @@ bool shouldUpdateCorrection(SensorType sensor) {
return false;
}
// Pause if some other cut was active recently
auto timeSinceFuelCut = engine->module<LimpManager>()->getTimeSinceAnyCut();
// TODO: should duration this be configurable?
if (timeSinceFuelCut < 2) {
return false;
}
return true;
}