I3C: add auto bus resolution, init/IRQ fixes, and memory cleanup#3000

Merged

fpistm merged 14 commits into

stm32duino:mainfrom

Aymane-ST:prod/I3C

Jul 3, 2026

Commits on Jul 2, 2026

fix(i3c): enable I3C IRQs on demand and harden init and cleanup flows

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refactor(i3c): right-size temporary transfer buffers to required frame sizes

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fix(i3c): mark dynamically assigned addresses as used during DAA

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refactor(i3c): delegate kernel clock source selection to variant clock config

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Revert "fix(I3C): Increase minimum stack size for (H503RB - H563ZI)"

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chore(examples): switch examples to generic auto-resolved I3C bus

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fix(i3c): fix enableIbi return value handling

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ci(build): switch BareMinimum example to generic auto-resolved I3C bus

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feat(i3c): add end() to deinitialize the active bus

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chore(i3c): refresh Arduino keywords to match the current public API

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