flash shrink

async nav function put into conditional compile to save memory

Author: neu-rah

examples/CustomPrompt/CustomPrompt/CustomPrompt.ino

@@ -96,6 +96,7 @@ void setup() {
   //   delay(1000);
   // }
 
+  //NOTE: async is disabled now define MENU_ASYNC to activate it
   //following code is an async navigation example
   //its async because it does not require a known menu state
   //because you can indicate the zero indexed option positions separated by /

src/menu.h

@@ -19,12 +19,7 @@ for correcting unsigned values validation
   #define RSITE_ARDUINO_MENU_SYSTEM
   #include <Arduino.h>
   #if defined(DEBUG)
-    // #ifdef _U8G2LIB_HH
-      //because U8G2 already uses Streaming
       #include <Streaming.h>
-    // #else
-      // #include <streamFlow.h>
-    // #endif
   #endif
   #include "menuBase.h"
   #include "shadows.h"