# Only include adc noise source if BOARD has an adc
FEATURES_OPTIONAL += periph_adc

ifneq (,$(filter periph_adc,$(FEATURES_USED)))
  USEMODULE += entropy_source_adc_noise
  ifndef CONFIG_KCONFIG_USEMODULE_ENTROPY_SOURCE_ADC_NOISE
    # set a dummy default value for the provided amount of entropy
    CFLAGS += -DCONFIG_ENTROPY_SOURCE_ADC_HMIN=65536
    # enable ADC health tests and conditioning
    CFLAGS += -DCONFIG_ENTROPY_SOURCE_ADC_COND=1
    CFLAGS += -DCONFIG_ENTROPY_SOURCE_ADC_HEALTH_TEST=1
  endif
endif