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[monotonics] Fix STM32 read-modify-write race condition (#984)

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* Fix stm32 read-modify-write problem

The `SR` register for STM32 clears when writing a zero to a bit.
Therefore, all registers that should not be cleared need to be `1`.

`modify` here caused a read-modify-write error that could clear
unrelated flags.

* Add changelog

* Make initialization more deterministic

* Update changelog

* Beautification in comments

---------

Co-authored-by: Martin Stumpf <martin.stumpf@vected.de>
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Finomnis 2024-10-23 21:28:42 +02:00 • committed by GitHub
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5
rtic-monotonics/CHANGELOG.md
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@ -15,6 +15,11 @@ For each category, *Added*, *Changed*, *Fixed* add new entries at the top!
- Update `esp32c3` dependency
### Fixed
- STM32: Make initialization more deterministic
- STM32: Fix race condition that caused missed interrupts
## v2.0.2 - 2024-07-05
### Added