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0b1453667e
This adds a xtimer_no_ztimer_default that is currently always selected in Makefile, but that can be switched off in Kconfig. Removing its inclusion will allow switching the default xtimer backend to ztimer, while allowing for an easy way back.
32 lines
1.0 KiB
Makefile
32 lines
1.0 KiB
Makefile
DEFAULT_MODULE += auto_init_xtimer
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# In whatever combination of backends periph_timer will be required
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# - xtimer (only) -> periph_timer
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# - xtimer_on_ztimer -> ztimer_usec -> ztimer_periph_timer -> periph_timer
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# - ztimer_xtimer_compat -> ztimer_usec -> ztimer_periph_timer -> periph_timer
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# But requesting it here avoid an ifeq dependency that would be subject to
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# dependency inclusion order issues
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FEATURES_REQUIRED += periph_timer
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USEMODULE += xtimer_no_ztimer_default
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ifeq (,$(filter xtimer_no_ztimer_default,$(USEMODULE)))
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ifeq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
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USEMODULE += xtimer_on_ztimer
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endif
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else
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ifneq (,$(filter ztimer,$(USEMODULE)))
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ifeq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
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USEMODULE += xtimer_on_ztimer
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endif
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endif
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endif
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ifneq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
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DISABLE_MODULE += auto_init_xtimer
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USEMODULE += div
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endif
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# make xtimer use ztimer_usec as low level timer
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ifneq (,$(filter xtimer_on_ztimer,$(USEMODULE)))
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USEMODULE += ztimer_usec
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endif
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