ifeq ($(strip $(HHKB_RN42_ENABLE)), yes) OPT_DEFS += -DHHKB_RN42_ENABLE # Support for the RN42 Bluetooth module. This is the BT module in Hasu's BT # HHKB Alt controller. RN42_DIR = keyboards/hhkb/rn42 SRC += serial_uart.c \ suart.S \ rn42.c \ rn42_task.c \ battery.c \ main.c VPATH += $(RN42_DIR) endif