ifeq (,$(filter-out stdio_cdc_acm,$(filter stdio_% slipdev_stdio,$(USEMODULE)))) ifneq (,$(filter tinyusb_device,$(USEMODULE))) # Use stdio_tinyusb_cdc_acm only if no other stdio is requested explicitly # and tinyusb_device is used for any other reason USEMODULE += stdio_tinyusb_cdc_acm else # Use stdio_cdc_acm only if no other stdio is requested explicitly. USEMODULE += stdio_cdc_acm endif FEATURES_REQUIRED += highlevel_stdio endif