21 lines
653 B
Makefile
21 lines
653 B
Makefile
CPU_CORE = cortex-m0plus
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CPU_FAM = saml21
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# The SAMR30 line of MCUs does not contain a TRNG
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CPU_MODELS_WITHOUT_HWRNG += samr30%
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FEATURES_PROVIDED += periph_gpio_fast_read
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# Low Power SRAM is *not* retained during Backup Sleep.
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# It therefore does not fulfill the requirements of the 'backup_ram' interface.
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# It can still be used in normal and standby mode, but code that relies on it
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# being availiable during deep sleep / backup mode will not be portable here.
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FEATURES_PROVIDED += backup_ram
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ifeq (,$(filter $(CPU_MODELS_WITHOUT_HWRNG),$(CPU_MODEL)))
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FEATURES_PROVIDED += periph_hwrng
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endif
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include $(RIOTCPU)/sam0_common/Makefile.features
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