# Set a custom channel if needed
ifneq (,$(filter cc110x,$(USEMODULE)))          # radio is cc110x sub-GHz
  DEFAULT_CHANNEL ?= 0
  CFLAGS += -DCC110X_DEFAULT_CHANNEL=$(DEFAULT_CHANNEL)
else
  ifneq (,$(filter at86rf212b,$(USEMODULE)))    # radio is IEEE 802.15.4 sub-GHz
    DEFAULT_CHANNEL ?= 5
    CFLAGS += -DIEEE802154_DEFAULT_SUBGHZ_CHANNEL=$(DEFAULT_CHANNEL)
  else                                          # radio is IEEE 802.15.4 2.4 GHz
    DEFAULT_CHANNEL ?= 26
    CFLAGS += -DIEEE802154_DEFAULT_CHANNEL=$(DEFAULT_CHANNEL)
  endif
endif