https://rusefi.com/forum/viewtopic.php?p=46603#p46603

calling 'setTimeout' on bad self (cpp class not export)

firmware/controllers/lua/lua_hooks.cpp

@@ -419,6 +419,11 @@ struct LuaSensor final : public StoredValueSensor {
 		return m_isRedundant;
 	}
 
+	// do we need method defined exactly on LuaSensor for Luaa to be happy?
+	void setTimeout(int timeoutMs) override {
+	    StoredValueSensor::setTimeout(timeoutMs);
+	}
+
 	void setRedundant(bool value) {
 		m_isRedundant = value;
 	}

firmware/controllers/sensors/stored_value_sensor.h

@@ -77,7 +77,7 @@ public:
 
 	void showInfo(const char*) const override { }
 
-	void setTimeout(int timeoutMs) {
+	virtual void setTimeout(int timeoutMs) {
 		m_timeoutPeriod = MS2NT(timeoutMs);
 	}
 

unit_tests/tests/lua/test_lua_basic.cpp

@@ -109,6 +109,15 @@ TEST(LuaBasic, ExpectNumOrNilReturnsNothing) {
 	)"), unexpected);
 }
 
+TEST(LuaSensor, Timeout) {
+	EXPECT_FLOAT_EQ(0.0f, testLuaReturnsNumberOrNil(R"(
+		function testFunc()
+			cltSensor = Sensor.new("clt")
+			cltSensor:setTimeout(3000)
+		end
+	)").value_or(0));
+}
+
 TEST(SystemLua, ScriptLoads) {
 	startLua();
 }