From 085415868ff366f4df424b846c402cfae4140d76 Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <matthewkennedy@outlook.com>
Date: Mon, 2 Oct 2023 22:14:03 -0700
Subject: [PATCH] trip odometer run time

---
 firmware/controllers/algo/trip_odometer.cpp | 12 ++++++++++++
 firmware/controllers/algo/trip_odometer.h   |  7 +++++++
 2 files changed, 19 insertions(+)

diff --git a/firmware/controllers/algo/trip_odometer.cpp b/firmware/controllers/algo/trip_odometer.cpp
index 3fba94734d..f477c0affd 100644
--- a/firmware/controllers/algo/trip_odometer.cpp
+++ b/firmware/controllers/algo/trip_odometer.cpp
@@ -45,6 +45,18 @@ void TripOdometer::onSlowCallback() {
 		m_distanceMeters++;
 		m_distanceRemainder--;
 	}
+
+	constexpr float slowCallbackPerSecond = 1000 / SLOW_CALLBACK_PERIOD_MS;
+	m_slowCallbackCounter++;
+	if (m_slowCallbackCounter == slowCallbackPerSecond) {
+		m_slowCallbackCounter = 0;
+
+		m_ignitionOnSeconds++;
+
+		if (engine->rpmCalculator.isRunning()) {
+			m_engineRunningSeconds++;
+		}
+	}
 }
 
 uint32_t TripOdometer::getDistanceMeters() const {
diff --git a/firmware/controllers/algo/trip_odometer.h b/firmware/controllers/algo/trip_odometer.h
index 52bd7e295e..af452a1b20 100644
--- a/firmware/controllers/algo/trip_odometer.h
+++ b/firmware/controllers/algo/trip_odometer.h
@@ -12,12 +12,19 @@ public:
 	uint32_t getDistanceMeters() const;
 
 private:
+	// Fuel consumed
 	uint32_t m_consumedGrams = 0;
 	float m_consumedRemainder = 0;
 	float m_rate = 0;
 
+	// Distance travelled
 	uint32_t m_distanceMeters = 0;
 	float m_distanceRemainder = 0;
 
+	// Engine run time and ign on time
+	uint32_t m_slowCallbackCounter = 0;
+	uint32_t m_ignitionOnSeconds = 0;
+	uint32_t m_engineRunningSeconds = 0;
+
 	Timer m_timer;
 };