pause closed loop fuel after cuts

firmware/controllers/limp_manager.cpp

@@ -181,6 +181,11 @@ 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) {
@@ -234,3 +239,7 @@ LimpState LimpManager::allowIgnition() const {
 	}
 	return {true, ClearReason::None};
 }
+
+float LimpManager::getTimeSinceAnyCut() const {
+	return m_lastCutTime.getElapsedSeconds();
+}

firmware/controllers/limp_manager.h

@@ -112,6 +112,8 @@ public:
 	LimpState allowInjection() const;
 	LimpState allowIgnition() const;
 
+	float getTimeSinceAnyCut() const;
+
 	bool allowTriggerInput() const;
 
 	// Other subsystems call these APIs to indicate a problem has occurred
@@ -140,6 +142,9 @@ private:
 
 	// Ignition switch state
 	bool m_ignitionOn = false;
+
+	// Tracks how long since a cut (ignition or fuel) was active for any reason
+	Timer m_lastCutTime;
 };
 
 LimpManager * getLimpManager();

firmware/controllers/math/closed_loop_fuel.cpp

@@ -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;
 }