feat: main loop now listens to state

StateMachine.hpp

@@ -4,28 +4,28 @@
 // Singleton-instance
 class StateMachine
 {
-     enum class State {
+    public:
+      enum class STATE {
         INITIALIZING,
         IDLING,
         MOVING,
         ERROR
     };
-
-    public:
+ 
     StateMachine(const StateMachine&) = delete;
     StateMachine(StateMachine&&) = delete;
     static StateMachine& getInstance() noexcept;
 
-    State getState() const noexcept { return state; };
+    STATE getState() const noexcept { return state; };
     String getLastError() const noexcept { return lastError; };
     // May fail if a state transition from state a to b is not valid
-    bool setState(const State newState) noexcept;
+    bool setState(const STATE newState) noexcept;
     bool raiseError(const String& reason) noexcept;
-    bool canSwitchToState(const State newState) const noexcept;
+    bool canSwitchToState(const STATE newState) const noexcept;
 
     private:
     StateMachine() noexcept;
 
-    State state = State::INITIALIZING;
+    STATE state = STATE::INITIALIZING;
     String lastError = "";
 };