[riot-notifications] [RIOT-OS/RIOT] Update cpu/stm32/periph/rtc_all.c for CPU_FAM_STM32L5 support. (#16656)
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Mon Jul 19 00:02:26 CEST 2021
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Added `periph/rtc` support for `CPU_FAM_STM32L5`.
### Testing procedure
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Run `tests/periph_rtc` with succesful outputs.
main(): This is RIOT! (Version: 2021.10-devel-169-g916dc-periph_rtc_l5)
RIOT RTC low-level driver test
This test will display 'Alarm!' every 2 seconds for 4 times
Setting clock to 2020-02-28 23:59:57
Clock value is now 2020-02-28 23:59:57
Setting alarm to 2020-02-28 23:59:59
Alarm is set to 2020-02-28 23:59:59
Alarm cleared at 2020-02-28 23:59:57
No alarm at 2020-02-28 23:59:59
Setting alarm to 2020-02-29 00:00:01
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DPB protection blocks the bit that clears RTC interrupt (has to be unlocked when clearing the CALRAF bit on RTC_SCR register), this wasn't adviced neither in the datasheet nor the errata document.
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-- Commit Summary --
* Update rtc_all.c for CPU_FAM_STM32L5 support.
-- File Changes --
M cpu/stm32/periph/rtc_all.c (43)
-- Patch Links --
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