DWT: address comparison configuration does not verify written mask
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 35/100
- Issue type
- Feature
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- rust
- Domain
- embedded-iot
Research direction
Start by locating the DWT address-comparison configuration API and compare its behavior with the ARM DDI 0403.d, p. C1-731 requirement. The work is done when writing the mask verifies the value read back from DWT_MASKn and an API exposes the maximum mask size; no specific file or test is named in the issue.
Written by the indexing model from the issue text.
Description
From ARM DDI 0403.d, p. C1-731:
To find the maximum size of the address comparison mask for comparator n, software must write
0b11111 to the DWT_MASKn.MASK field, and then read the DWT_MASKn register. The value
returned in the MASK field is the maximum mask size.
There also is no function available that queries this maximum mask size.
- Dominant language
- Rust
- Stars
- 1k
- Forks
- 201
- Avg merge
- 1h 8m
- Merged PRs (30d)
- 2
Getting set up
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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