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RIOT/sys/ztimer/Makefile.dep
2021-11-02 15:31:04 +01:00

122 lines
3.7 KiB
Makefile

#
# ztimer dependencies
#
# "ztimer" is the default meta-module of ztimer
ifneq (,$(filter ztimer,$(USEMODULE)))
USEMODULE += ztimer_core
USEMODULE += ztimer_convert_frac
USEMODULE += ztimer_convert_shift
# ztimer's auto_init code resides in it's submodule "ztimer_auto_init",
# but RIOT's auto_init scheme expects "auto_init_ztimer" in DEFAULT_MODULES so
# it can be disabled (by adding to DISABLE_MODULES).
#
# "auto_init_%" modules cannot have further dependencies, so we cannot do
# "if auto_init_ztimer: use ztimer_auto_init".
#
# So, if neither "auto_init" nor "auto_init_ztimer" are disabled, pull in
# "ztimer_auto_init".
DEFAULT_MODULE += auto_init_ztimer
ifeq (,$(filter auto_init auto_init_ztimer,$(DISABLE_MODULE)))
USEMODULE += ztimer_auto_init
endif
endif
# unless ztimer_xtimer_compat is used, make xtimer use ztimer_usec as backend.
ifneq (,$(filter ztimer_periph_timer,$(USEMODULE)))
ifneq (,$(filter xtimer,$(USEMODULE)))
ifeq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
USEMODULE += xtimer_on_ztimer
endif
endif
ifneq (,$(filter evtimer,$(USEMODULE)))
USEMODULE += evtimer_on_ztimer
endif
endif
# make xtimer use ztimer_usec as low level timer
ifneq (,$(filter xtimer_on_ztimer,$(USEMODULE)))
USEMODULE += ztimer_usec
endif
# make evtimer use ztimer_msec as low level timer
ifneq (,$(filter evtimer_on_ztimer,$(USEMODULE)))
USEMODULE += ztimer_msec
USEMODULE += ztimer_now64
endif
# "ztimer_xtimer_compat" is a wrapper of the xtimer API on ztimer_used
# (it is currently incomplete). Unless doing testing, use "xtimer_on_ztimer".
ifneq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
USEMODULE += div
USEMODULE += ztimer_usec
endif
ifneq (,$(filter ztimer_%,$(USEMODULE)))
USEMODULE += ztimer_core
USEMODULE += ztimer_extend
endif
ifneq (,$(filter ztimer_convert_%,$(USEMODULE)))
USEMODULE += ztimer_convert
endif
ifneq (,$(filter ztimer_periph_timer,$(USEMODULE)))
FEATURES_REQUIRED += periph_timer
endif
ifneq (,$(filter ztimer_periph_rtc,$(USEMODULE)))
FEATURES_REQUIRED += periph_rtc
endif
ifneq (,$(filter ztimer_periph_rtt,$(USEMODULE)))
FEATURES_REQUIRED += periph_rtt
endif
ifneq (,$(filter ztimer_periph_ptp,$(USEMODULE)))
FEATURES_REQUIRED += periph_ptp_timer
endif
ifneq (,$(filter ztimer_convert_frac,$(USEMODULE)))
USEMODULE += frac
endif
ifneq (,$(filter ztimer_usec,$(USEMODULE)))
USEMODULE += ztimer
USEMODULE += ztimer_periph_timer
endif
ifneq (,$(filter ztimer_msec,$(USEMODULE)))
USEMODULE += ztimer
FEATURES_OPTIONAL += periph_rtt
# HACK: periph_rtt will get used only in the next iteration but an updated
# state for FEATURES_USED is needed here so include `features_check.inc.mk`
# here instead.
# An other option would be to check FEATURES_PROVIDED this would avoid the
# order of inclusion problem but it would no take into account possible conflicts
# and is also currently not allowed in the build system.
# An other alternative would be to delay to the next loop, but this produce a
# case where another loop is not executed and the conditional not evaluated
# If these kind of usecases pop up before Kconfig migration is completed
# then another alternative would be introduce a variable to require an extra
# loop independent of USEMODULE, FEATURES_REQUIRED and USEPKG
include $(RIOTMAKE)/features_check.inc.mk
ifneq (,$(filter periph_rtt,$(FEATURES_USED)))
USEMODULE += ztimer_periph_rtt
else
USEMODULE += ztimer_periph_timer
endif
endif
ifneq (,$(filter ztimer_sec,$(USEMODULE)))
USEMODULE += ztimer
FEATURES_OPTIONAL += periph_rtt
# HACK: see above
ifneq (,$(filter periph_rtt,$(FEATURES_USED)))
USEMODULE += ztimer_periph_rtt
else
USEMODULE += ztimer_periph_timer
endif
endif