Added comments

include/commonFunctions.h

@@ -11,6 +11,21 @@ private:
     int lastPin;
 
 public:
+    /**
+     * @brief Function used to read state of a normally open(LOW) button
+     *
+     * @param buttonPin The pin of the button
+     * @return true
+     * @return false
+     */
     bool debounceReadNO(int buttonPin);
+
+    /**
+     * @brief Function used to read state of a normally closed(HIGH) button
+     *
+     * @param buttonPin The pin of the button
+     * @return true
+     * @return false
+     */
     bool debounceReadNC(int buttonPin);
 };

include/constants.h

@@ -1,6 +1,6 @@
 #pragma once
 
-const int DEBOUNCE_DELAY = 200;
+const int DEBOUNCE_DELAY = 35;
 
 const int USER_STEPS = 2;
 const int STAFF_STEPS = 16;