# Convert xtimer into a pseudo module if its API is already implemented by
# ztimer's compatibility wrapper
ifneq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
  PSEUDOMODULES += xtimer
endif

# By defaul use highest possible RTT_FREQUENCY for platforms that allow it. This
# might not be the most optimized for conversion guarantees that ztimer_periph_rtt
# will have a capable backend.
ifneq (,$(filter ztimer_periph_rtt,$(USEMODULE)))
  ifneq (,$(filter stm32 nrf5% sam% kinetis efm32,$(CPU)))
    RTT_FREQUENCY ?= RTT_MAX_FREQUENCY
    CFLAGS += -DRTT_FREQUENCY=$(RTT_FREQUENCY)
  endif
endif