CUSTOM_MAIN_DIR := custom/jt808 OC_FILES += $(CUSTOM_MAIN_DIR)/src/jt808_util.c OC_FILES += $(CUSTOM_MAIN_DIR)/src/jt808_msg_pkg.c OC_FILES += $(CUSTOM_MAIN_DIR)/src/jt808_msg_parse.c OC_FILES += $(CUSTOM_MAIN_DIR)/src/jt808_pkg_transmit.c OC_FILES += $(CUSTOM_MAIN_DIR)/src/jt808_set_TermParam.c OC_FILES += $(CUSTOM_MAIN_DIR)/src/jt808_electronic_fence.c INC += -I'$(CUSTOM_MAIN_DIR)/inc'