lambda monitor live data (#5469)

Co-authored-by: Matthew Kennedy <matthewkennedy@outlook.com>

firmware/console/binary/live_data.cpp

@@ -180,6 +180,11 @@ const throttle_model_s* getLiveData(size_t) {
 #endif
 }
 
+template<>
+const lambda_monitor_s* getLiveData(size_t) {
+	return &engine->lambdaMonitor;
+}
+
 static const FragmentEntry fragments[] = {
 // This header is generated - do not edit by hand!
 #include "live_data_fragments.h"

firmware/controllers/math/lambda_monitor.cpp

@@ -13,23 +13,27 @@ float LambdaMonitor::getMaxAllowedLambda(float rpm, float load) const {
 }
 
 bool LambdaMonitorBase::isCut() const {
-	return m_isCut;
+	return lambdaMonitorCut;
 }
 
 void LambdaMonitorBase::update(float rpm, float load) {
-	if (isCurrentlyGood(rpm, load)) {
+	bool isGood = isCurrentlyGood(rpm, load);
+	lambdaCurrentlyGood = isGood;
+	if (isGood) {
 		m_timeSinceGoodLambda.reset();
 	}
 
+	lambdaTimeSinceGood = m_timeSinceGoodLambda.getElapsedSeconds();
+
 	if (m_timeSinceGoodLambda.hasElapsedSec(engineConfiguration->lambdaProtectionTimeout)) {
 		// Things have been bad long enough, cut!
-		m_isCut = true;
+		lambdaMonitorCut = true;
 	}
 
-	if (m_isCut) {
+	if (lambdaMonitorCut) {
 		// If things are back to normal, cancel the cut and force a reset
 		if (restoreConditionsMet(rpm, load)) {
-			m_isCut = false;
+			lambdaMonitorCut = false;
 			m_timeSinceGoodLambda.reset();
 		}
 	}

firmware/controllers/math/lambda_monitor.h

@@ -1,6 +1,8 @@
 #pragma once
 
-struct LambdaMonitorBase {
+#include "lambda_monitor_generated.h"
+
+struct LambdaMonitorBase : public lambda_monitor_s {
 	void update(float rpm, float load);
 	bool isCut() const;
 
@@ -19,7 +21,6 @@ protected:
 
 private:
 	Timer m_timeSinceGoodLambda;
-	bool m_isCut = false;
 };
 
 class LambdaMonitor : public LambdaMonitorBase {

firmware/controllers/math/lambda_monitor.txt

@@ -0,0 +1,5 @@
+struct_no_prefix lambda_monitor_s
+	bit lambdaCurrentlyGood
+	bit lambdaMonitorCut
+	uint16_t autoscale lambdaTimeSinceGood;;"sec", 0.01, 0, 0, 1, 2
+end_struct

firmware/integration/LiveData.yaml

@@ -176,3 +176,8 @@ Usages:
   - name: vvt
     java: VvtState.java
     folder: controllers/actuators
+
+  - name: lambda_monitor
+    java: LambdaMonitor.java
+    folder: controllers/math
+    constexpr: "___engine.lambdaMonitor"