+ifeq ($(strip $(MIDI_ENABLE)), yes)
+ include $(TMK_PATH)/protocol/midi.mk
+endif
+
+ifeq ($(strip $(ADAFRUIT_BLE_ENABLE)), yes)
+ LUFA_SRC += $(LUFA_DIR)/adafruit_ble.cpp
+endif
+
+ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
+ LUFA_SRC += $(LUFA_DIR)/bluetooth.c \
+ $(TMK_DIR)/protocol/serial_uart.c
+endif
+
+ifeq ($(strip $(VIRTSER_ENABLE)), yes)
+ LUFA_SRC += $(LUFA_ROOT_PATH)/Drivers/USB/Class/Device/CDCClassDevice.c
+endif
+