Embedded Working Group Meeting 2022-12-20

Attendance

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Announcements
- No meeting on the next two weeks (27th dec and 3rd jan), next meeting on the 10th
- alloc-cortex-m renamed as embedded-alloc and released at 0.5, now supports any platform via critical-section crate
  - we should release alloc-cortex-m 0.4.4 marking it as deprecated and pointing to the new embedded-alloc
  - https://github.com/rust-embedded/embedded-alloc/pull/59
  - Published
- still collecting items for This Year In Embedded Rust, https://github.com/rust-embedded/blog/issues/196
cortex-m
- proposed zero-init-ram feature https://github.com/rust-embedded/cortex-m/pull/455
  - let's keep it
  - PR needs updating to include documentation and CI tests
Yank critical-section 0.2.x?
- yep
PwmPin in e-h 1.0?
- We discussed at length and settled on a single u16 duty-cycle value where 0=0%, 65535=100%, and the HAL scales intermediate values to map the timer's duty range
- https://github.com/rust-embedded/embedded-hal/pull/430

Announcements
- critical-section v0.2.8 released with breaking change around default impl
  - to-do: blog post
- aarch64-cpu v9.2.1 released, builds on stable
Mastodon account
- Created, establishing operating guidelines
- https://github.com/rust-embedded/wg/issues/647
Embedded-can https://github.com/rust-embedded/embedded-hal/pull/428
cortex-m-alloc with critical-section? https://github.com/rust-embedded/alloc-cortex-m/pull/56
- Discussed renaming to embedded-alloc with this PR, as it's no longer cortex-m specific
TYIER (this year in embedded rust) post?
- Collect up events/updates from the year
- Perhaps stats from git repos
- https://github.com/rust-embedded/blog/issues/196