rename callback PPQNCallback fo OutputPPQNCAllback to follow method prefix

src/uClock.cpp

@@ -125,7 +125,7 @@ uClockClass::uClockClass()
     clock_mode = INTERNAL_CLOCK;
     resetCounters();
 
-    onPPQNCallback = nullptr;
+    onOutputPPQNCallback = nullptr;
     onSync1Callback = nullptr;
     onSync2Callback = nullptr;
     onSync4Callback = nullptr;
@@ -572,8 +572,8 @@ void uClockClass::handleTimerInt()
     }
 
     // main PPQNCallback
-    if (onPPQNCallback) {
-        onPPQNCallback(tick);
+    if (onOutputPPQNCallback) {
+        onOutputPPQNCallback(tick);
         ++tick;
     }
 

src/uClock.h

@@ -94,7 +94,7 @@ class uClockClass {
         uClockClass();
 
         void setOnOutputPPQN(void (*callback)(uint32_t tick)) {
-            onPPQNCallback = callback;
+            onOutputPPQNCallback = callback;
         }
 
         void setOnStep(void (*callback)(uint32_t step)) {
@@ -190,7 +190,7 @@ class uClockClass {
         // shuffle
         bool inline processShuffle();
 
-        void (*onPPQNCallback)(uint32_t tick);
+        void (*onOutputPPQNCallback)(uint32_t tick);
         void (*onStepCallback)(uint32_t step);
         void (*onSync1Callback)(uint32_t tick);
         void (*onSync2Callback)(uint32_t tick);