Extracted volumeUp to seperate file

src/main.cpp

@@ -170,26 +170,7 @@ void loop()
   // Make sure we are not is a state of mute or lowered
   if (debounceRead(REMOTE_B) && !(oldUserVolume > userVolume))
   {
-    if ((userVolume + USER_STEPS) > maxVolume)
-    {
-      for (int i = 0; i < maxVolume - userVolume; i++)
-      {
-        potIncrement();
-      }
-
-      userVolume = maxVolume;
-      oldUserVolume = userVolume;
-    }
-    else
-    {
-      for (int i = 0; i < USER_STEPS; i++)
-      {
-        potIncrement();
-      }
-
-      userVolume += USER_STEPS;
-      oldUserVolume = userVolume;
-    }
+    volumeUp(&userVolume, &oldUserVolume, maxVolume);
   }
 
   // Remote C - Volume Down

src/userFunctions.cpp

@@ -2,6 +2,30 @@
 #include <constants.h>
 #include <potControlls.h>
 
+void volumeUp(int *userVolume, int *oldUserVolume, int maxVolume)
+{
+    if ((*userVolume + USER_STEPS) > maxVolume)
+    {
+        for (int i = 0; i < maxVolume - *userVolume; i++)
+        {
+            potIncrement();
+        }
+
+        *userVolume = maxVolume;
+        *oldUserVolume = *userVolume;
+    }
+    else
+    {
+        for (int i = 0; i < USER_STEPS; i++)
+        {
+            potIncrement();
+        }
+
+        *userVolume += USER_STEPS;
+        *oldUserVolume = *userVolume;
+    }
+}
+
 void volumeDown(int *userVolume, int *oldUserVolume)
 {
     if ((*userVolume - USER_STEPS) < 0)