rp2xxx: Unique board identifier#910
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mattnite merged 4 commits intoZigEmbeddedGroup:mainfrom Feb 22, 2026
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Existing flash.id() is rp2040 specific. This makes it work on pico2 also. pico sdk reference: https://github.com/raspberrypi/pico-sdk/blob/a1438dff1d38bd9c65dbd693f0e5db4b9ae91779/src/rp2_common/pico_unique_id/include/pico/unique_id.h https://github.com/raspberrypi/pico-sdk/blob/a1438dff1d38bd9c65dbd693f0e5db4b9ae91779/src/rp2_common/pico_unique_id/unique_id.c
It is no more chip specific.
tact1m4n3
reviewed
Feb 20, 2026
For the function which is RP2350 specific.
tact1m4n3
approved these changes
Feb 20, 2026
mattnite
approved these changes
Feb 22, 2026
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We had implementation for rp2040, this makes it work also on rp2350.
Difference is explained in pico sdk, and this is based on pico sdk unique.c.