Embedded Working Group Meeting 2022-08-23

Attendance

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Announcements
- critical-section 1.1 released with std impl
- svd2rust 0.25.1 released with improved clustering
- embedded-hal-bus v0.1.0-alpha.0 released
- Friday showcase on Twitter https://twitter.com/rustembedded/status/1561362532832579590
Embedded HAL
- New I2C trait https://github.com/rust-embedded/embedded-hal/pull/392
- Split nb https://github.com/rust-embedded/embedded-hal/pull/394
critical-section
- New bare-metal?
  - Wait while msp430 and svd2rust stuff gets shaken out
- Shared singleton macro?
  - Probably prefer static_cell, could even deprecate singleton for c-m 0.8
- Size increase on msp430
  - cr1901 investigating
cortex-m 0.8 when?
- Continue to ponder PAC/HAL split

Announcements
- critical-section 1.0 released
- cortex-m 0.7.6 released with critical-section support
Embedded HAL
- Extract ExclusiveDevice: https://github.com/rust-embedded/embedded-hal/pull/398
  - What to name the new crate? embedded-hal-bus, and keep it for bus related structs
  - Keep it in the same repo
critical-section
- Released 1.0
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- Add std impl
  - https://github.com/rust-embedded/critical-section/pull/22
- new bare-metal release, re-exporting c-s types and marking deprecated
  - yes but in a few weeks