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boards/nucleo-wl55jc, cpu/stm32: enable RTC support, increase RTC accuracy #21837

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Merged
merged 6 commits into from
Nov 7, 2025
+158 −126
Merged

boards/nucleo-wl55jc, cpu/stm32: enable RTC support, increase RTC accuracy #21837

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2844950
cpu/stm32: style improvements of rtc_all.c
crasbe Oct 31, 2025
07cca53
boards/nucleo-wl55jc: enable RTC peripheral
FlapKap Apr 3, 2024
5afa6f7
tests/periph: use a year != RIOT_EPOCH for the RTC test
crasbe Oct 31, 2025
315e3da
cpu/stm32/periph/rtc: don't stop RTC for every lock
Meumeu Aug 17, 2019
71c2d4a
cpu/stm32: disable RTC MEM feature for F302
crasbe Oct 31, 2025
5c12ed9
boards/lora-e5-dev: enable RTC peripheral
crasbe Oct 31, 2025
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1 change: 1 addition & 0 deletions boards/lora-e5-dev/Makefile.features
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ CPU_MODEL = stm32wle5jc
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_lpuart
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer
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1 change: 1 addition & 0 deletions boards/nucleo-wl55jc/Makefile.features
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ CPU_MODEL = stm32wl55jc
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_lpuart
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer
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3 changes: 2 additions & 1 deletion cpu/stm32/Makefile.features
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,8 @@ ifneq (,$(filter $(CPU_FAM),c0 f0 f1 f3 g0 g4 l0 l1 l4 l5 u5 wb wl))
endif

ifneq (,$(filter $(CPU_FAM),f0 f2 f3 f4 f7 l0 l1 l4 l5 u5 wb wl))
CPU_MODELS_WITHOUT_RTC_BKPR += stm32f030% stm32f070%
CPU_MODELS_WITHOUT_RTC_BKPR += stm32f030% stm32f070% \
stm32f302%
ifeq (,$(filter $(CPU_MODELS_WITHOUT_RTC_BKPR),$(CPU_MODEL)))
FEATURES_PROVIDED += periph_rtc_mem
endif
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