https://github.com/rusefi/rusefi/issues/4688#issuecomment-1301886167

firmware/controllers/actuators/dc_motors.cpp

@@ -37,6 +37,8 @@ private:
 	SimplePwm m_pwm1;
 	SimplePwm m_pwm2;
 
+	bool isStarted = false;
+
 public:
 	DcHardware() : dcMotor(m_disablePin) {}
 
@@ -47,6 +49,10 @@ public:
 		m_pwm2.setFrequency(frequency);
 	}
 
+	void stop() {
+		// todo: replace 'isStarted' with 'stop'
+	}
+
 	void start(bool useTwoWires, 
 			brain_pin_e pinEnable,
 			brain_pin_e pinDir1,
@@ -55,6 +61,13 @@ public:
 			bool isInverted,
 			ExecutorInterface* executor,
 			int frequency) {
+
+		if (isStarted) {
+			// actually implement stop()
+			return;
+		}
+		isStarted = true;
+
 		dcMotor.setType(useTwoWires ? TwoPinDcMotor::ControlType::PwmDirectionPins : TwoPinDcMotor::ControlType::PwmEnablePin);
 
 		// Configure the disable pin first - ensure things are in a safe state