-LUFA_OPTS = -D USB_DEVICE_ONLY
-LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
-LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
-LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
-LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS = -DUSB_DEVICE_ONLY
+LUFA_OPTS += -DUSE_FLASH_DESCRIPTORS
+LUFA_OPTS += -DUSE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+#LUFA_OPTS += -DINTERRUPT_CONTROL_ENDPOINT
+LUFA_OPTS += -DFIXED_CONTROL_ENDPOINT_SIZE=8
+LUFA_OPTS += -DFIXED_NUM_CONFIGURATIONS=1