examples/Gravity/save_state.h

@@ -58,7 +58,6 @@ class StateManager {
     bool _isDirty;
     unsigned long _lastChangeTime;
     static const unsigned long SAVE_DELAY_MS = 2000;
-
 };
 
 #endif  // SAVE_STATE_H

gravity.cpp

@@ -11,7 +11,8 @@
 
 #include "gravity.h"
 
-// Initialize the static pointer for the EncoderDir class to null.
+// Initialize the static pointer for the EncoderDir class to null. We want to
+// have a static pointer to decouple the ISR from the global gravity object. 
 EncoderDir* EncoderDir::_instance = nullptr;
 
 void Gravity::Init() {