dc motor

firmware/controllers/actuators/dc_motors.h

@@ -68,7 +68,7 @@ public:
 	}
 
 	const char *msg() {
-	    return dcMotor.msg;
+		return dcMotor.msg();
 	}
 
 	void stop() {

firmware/controllers/system/dc_motor.cpp

@@ -27,14 +27,16 @@ void TwoPinDcMotor::enable() {
 	if (m_disable) {
 		m_disable->setValue(false);
 	}
-	msg = nullptr;
+
+	m_msg = nullptr;
 }
 
-void TwoPinDcMotor::disable(const char *p_msg) {
-	msg = p_msg;
+void TwoPinDcMotor::disable(const char *msg) {
+	m_msg = msg;
 	if (m_disable) {
 		m_disable->setValue(true);
 	}
+
 	// Also set the duty to zero
 	set(0);
 }

firmware/controllers/system/dc_motor.h

@@ -37,7 +37,12 @@ public:
 
 	virtual bool isOpenDirection() const = 0;
 
-    const char *msg = nullptr;
+	const char* msg() const {
+		return m_msg;
+	}
+
+protected:
+	const char* m_msg = nullptr;
 };
 
 struct IPwm;