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