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STM32H563 RTC Alarm A sysHalt

Posted: Thu Mar 19, 2026 9:25 pm
by lemmy
Hi

Using STM32H563 Nucleo RTC and Alarm A. I hit a sysHalt() in rtc_lld_serve_interrupt() at the STM32_RTC_CLEAR_ALL_EXTI() at the first alarm.
Stack Trace
Stack Trace
Macro expansion
Macro expansion
#define STM32_EXTI_IMR1_MASK 0xFFFE0000U is maybe not correct ?

Thanks

Re: STM32H563 RTC Alarm A sysHalt

Posted: Fri Mar 20, 2026 5:18 am
by Giovanni
Hi,

Moving in bug reports.

Giovanni

Re: STM32H563 RTC Alarm A sysHalt

Posted: Tue Jun 09, 2026 6:54 am
by Giovanni
Hi,

Thanks for finding, the same problem is also present on U0.

This is being handled as a github pull request here: https://github.com/chibios-upstream/chibios/pull/15

Giovanni

Re: STM32H563 RTC Alarm A sysHalt

Posted: Tue Jun 09, 2026 7:06 am
by Giovanni
Fix merged, thanks.

Giovanni