ETB overheats due to constant isTpsError true/false/true/false jitter #4832

firmware/controllers/actuators/electronic_throttle.cpp

@@ -259,7 +259,7 @@ expected<percent_t> EtbController::getSetpoint() {
 expected<percent_t> EtbController::getSetpointIdleValve() const {
 	// VW ETB idle mode uses an ETB only for idle (a mini-ETB sets the lower stop, and a normal cable
 	// can pull the throttle up off the stop.), so we directly control the throttle with the idle position.
-#if EFI_TUNER_STUDIO && (EFI_PROD_CODE || EFI_SIMULATOR)
+#if EFI_TUNER_STUDIO
 	engine->outputChannels.etbTarget = m_idlePosition;
 #endif // EFI_TUNER_STUDIO
 	return clampF(0, m_idlePosition, 100);

firmware/controllers/actuators/electronic_throttle_impl.h

@@ -71,6 +71,8 @@ public:
 	void setLuaAdjustment(percent_t adjustment) override;
 	float getLuaAdjustment() const;
 
+	float prevOutput = 0;
+
 protected:
 	// This is set if an automatic TPS calibration should be run
 	bool m_isAutocal = false;
@@ -90,7 +92,6 @@ private:
 
 	ExpAverage m_dutyRocAverage;
 	ExpAverage m_dutyAverage;
-	float prevOutput = 0;
 
 	// Pedal -> target map
 	const ValueProvider3D* m_pedalMap = nullptr;

unit_tests/tests/actuators/test_etb_integrated.cpp

@@ -0,0 +1,31 @@
+#include "pch.h"
+#include "init.h"
+#include "electronic_throttle_impl.h"
+
+TEST(etb, integrated) {
+	EngineTestHelper eth(TEST_ENGINE);
+
+	engineConfiguration->tps1_1AdcChannel = EFI_ADC_3;
+	engineConfiguration->tps1_2AdcChannel = EFI_ADC_3;
+
+	engineConfiguration->throttlePedalPositionAdcChannel = EFI_ADC_3;
+	engineConfiguration->throttlePedalPositionSecondAdcChannel = EFI_ADC_3;
+
+	Sensor::setMockValue(SensorType::AcceleratorPedalPrimary, 40);
+	Sensor::setMockValue(SensorType::AcceleratorPedalSecondary, 40);
+
+	Sensor::setMockValue(SensorType::Tps1, 25.0f, true);
+
+
+	initTps();
+	doInitElectronicThrottle();
+
+	EtbController *etb = (EtbController*)engine->etbControllers[0];
+	etb->update();
+
+
+
+	ASSERT_EQ(engine->outputChannels.etbTarget, 40);
+	ASSERT_EQ(etb->prevOutput, 100);
+
+}

unit_tests/tests/tests.mk

@@ -107,6 +107,7 @@ TESTS_SRC_CPP = \
 	tests/actuators/test_boost.cpp \
 	tests/actuators/test_dc_motor.cpp \
 	tests/actuators/test_etb.cpp \
+	tests/actuators/test_etb_integrated.cpp \
 	tests/actuators/test_fan_control.cpp \
 	tests/actuators/test_fuel_pump.cpp \
 	tests/actuators/test_gppwm.cpp \