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