Updated per discussion

examples/JoystickBT/JoystickBT.ino

 
 void setup()
 {
-  /*  Serial4.begin( 1843200 );
-    debBegin_tt( &Serial4, LED_BUILTIN, 12);
-    debTraceShow_tt( -1, "", "", "" );
-    Serial4.println("\n" __FILE__ " " __DATE__ " " __TIME__);
-    Serial4.println("\n********\n T4 connected Serial1 *******\n");
-    Serial4.println("\n" __FILE__ " " __DATE__ " " __TIME__);
-    Serial4.println("\n********\n T4 connected Serial4 *******\n");
-  */
+
   Serial1.begin(2000000);
   while (!Serial) ; // wait for Arduino Serial Monitor
-  //debTraceShow_tt( -2, "", "", "" );
-  //Serial4.println("\n" __FILE__ " " __DATE__ " " __TIME__);
-  //Serial1.begin( 1843200 );
+
   Serial.println("\n\nUSB Host Testing");
   Serial.println(sizeof(USBHub), DEC);
   myusb.begin();

joystick.cpp

 			axis_change_notify_mask_ = (uint64_t)0xfffffffffffff3ffl;	// Start off assume all bits - 10 and 11
 			break;
 		default: 
-			additional_axis_usage_page_ = 0;
-			additional_axis_usage_start_ = 0;
-			additional_axis_usage_count_ = 0;
+			additional_axis_usage_page_ = 0x09;
+			additional_axis_usage_start_ = 0x21;
+			additional_axis_usage_count_ = 5;
 			axis_change_notify_mask_ = 0x3ff;	// Start off assume only the 10 bits...
 	}
 	DBGPrintf("Claim Additional axis: %x %x %d\n", additional_axis_usage_page_, additional_axis_usage_start_, additional_axis_usage_count_);
 
 void JoystickController::hid_input_data(uint32_t usage, int32_t value)
 {
-	//DBGPrintf("Joystick: usage=%X, value=%d\n", usage, value);
+	DBGPrintf("Joystick: usage=%X, value=%d\n", usage, value);
 	uint32_t usage_page = usage >> 16;
 	usage &= 0xFFFF;
 	if (usage_page == 9 && usage >= 1 && usage <= 32) {