Made staffBolumeDown work

src/main.cpp

@@ -51,7 +51,7 @@ void loop()
   // SW2 - Staff Volume Down
   if (reader.debounceReadNC(BTN_STAFF_DWN))
   {
-    staffVolumeDown(maxVolume, &userVolume, &oldUserVolume);
+    staffVolumeDown(&maxVolume, &userVolume, &oldUserVolume);
   }
 
   // Remote D - Mute

src/staffFunctions.cpp

@@ -29,30 +29,30 @@ void staffVolumeUp(int *maxVolume)
 /**
  * @brief Used to decrease the maximum staff volume. If the max volume is set lower than what the current user volume is, then the user volume will also be lowered.
  * 
- * @param maxVolume Variable used to keep track of the max volume
+ * @param maxVolume Pointer to the variable used to keep track of the max volume
  * @param userVolume Pointer to the variable used to keep track of the user volume
  * @param oldUserVolume Pointer to the variable used to keep track of the user volume when in mute or lowered
  */
-void staffVolumeDown(int maxVolume, int *userVolume, int *oldUserVolume)
+void staffVolumeDown(int *maxVolume, int *userVolume, int *oldUserVolume)
 {
-    if (maxVolume > STAFF_STEPS)
+    if (*maxVolume > STAFF_STEPS)
     {
-        maxVolume -= STAFF_STEPS;
+        *maxVolume -= STAFF_STEPS;
 
-        if (*userVolume > maxVolume)
+        if (*userVolume > *maxVolume)
         {
-            for (int i = 0; i < (*userVolume - maxVolume); i++)
+            for (int i = 0; i < (*userVolume - *maxVolume); i++)
             {
                 potDecrement();
             }
 
-            *userVolume = maxVolume;
+            *userVolume = *maxVolume;
             *oldUserVolume = *userVolume;
         }
 
-        if (*oldUserVolume > maxVolume)
+        if (*oldUserVolume > *maxVolume)
         {
-            *oldUserVolume = maxVolume;
+            *oldUserVolume = *maxVolume;
         }
     }
 }