ifneq (,$(filter gnrc_netif_default,$(USEMODULE))) USEMODULE += at86rf212b USEMODULE += gnrc_nomac endif ifneq (,$(filter saul_default,$(USEMODULE))) USEMODULE += lis3dh endif # The RTT clock drives the core clock in the default configuration FEATURES_REQUIRED += periph_rtt # The Mulle uses NVRAM to store persistent variables, such as boot count. USEMODULE += nvram_spi FEATURES_REQUIRED += periph_spi