rust-embedded / rust-embedded/svd

M302: Size of Register must be 8, 16 or 32 Bits

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Dominant language
Rust
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Description

From CMSIS SVDConv docs

Message Number Type Message Text
M302 ERROR Size of Register 'NAME':'NUM' must be 8, 16 or 32 Bits

This limitation is not obvious to me. For example, it is easier to create a 12-bit register for a 12-bit ADC than a 32-bit register with only one field.
svd2rust handles this by creating an unsafe method for working with such registers. But CMSIS prohibits such svd files. Should utilities handle this error?

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  3. Fork the repository and make your change on a branch.
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Research direction

Start with the linked CMSIS SVDConv documentation and compare its register-size restriction with the behavior described for svd2rust. The issue does not name files or tests; resolving it requires deciding whether non-8, 16, or 32-bit registers should be accepted and defining the expected utility behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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