Extracted led controlls in to seperate file

include/ledControlls.h

@@ -0,0 +1,4 @@
+#pragma once
+
+void updateLeds(int volume);
+void resetLeds();

src/ledControlls.cpp

@@ -0,0 +1,35 @@
+#include <Arduino.h>
+#include <pinDefinitions.h>
+#include <ledControlls.h>
+
+void resetLeds()
+{
+    digitalWrite(LED_HIGH, LOW);
+    digitalWrite(LED_MED, LOW);
+    digitalWrite(LED_LOW, LOW);
+}
+
+void updateLeds(int volume)
+{
+    switch (volume)
+    {
+    case 64:
+        resetLeds();
+        digitalWrite(LED_HIGH, HIGH);
+        break;
+    case 48:
+        resetLeds();
+        digitalWrite(LED_MED, HIGH);
+        break;
+    case 32:
+        resetLeds();
+        digitalWrite(LED_LOW, HIGH);
+        break;
+    case 16:
+        resetLeds();
+        digitalWrite(LED_HIGH, HIGH);
+        digitalWrite(LED_MED, HIGH);
+        digitalWrite(LED_LOW, HIGH);
+        break;
+    }
+}

src/main.cpp

@@ -1,6 +1,7 @@
 #include <Arduino.h>
 #include <pinDefinitions.h>
 #include <potControlls.h>
+#include <ledControlls.h>
 
 const int USER_STEPS = 2;
 const int STAFF_STEPS = 16;
@@ -44,29 +45,7 @@ void setup()
 
 void loop()
 {
-  switch (maxVolume)
-  {
-  case 64:
-    digitalWrite(LED_HIGH, HIGH);
-    digitalWrite(LED_MED, LOW);
-    digitalWrite(LED_LOW, LOW);
-    break;
-  case 48:
-    digitalWrite(LED_HIGH, LOW);
-    digitalWrite(LED_MED, HIGH);
-    digitalWrite(LED_LOW, LOW);
-    break;
-  case 32:
-    digitalWrite(LED_HIGH, LOW);
-    digitalWrite(LED_MED, LOW);
-    digitalWrite(LED_LOW, HIGH);
-    break;
-  case 16:
-    digitalWrite(LED_HIGH, HIGH);
-    digitalWrite(LED_MED, HIGH);
-    digitalWrite(LED_LOW, HIGH);
-    break;
-  }
+  updateLeds(maxVolume);
 
   // SW1 - Staff Volume Up
   if (!debounceRead(BTN_STAFF_UP))
@@ -270,4 +249,6 @@ bool debounceRead(int buttonPin)
 
   // save the reading. Next time through the loop, it'll be the lastButtonState:
   lastButtonState = reading;
+
+  return false;
 }