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