Embedded Working Group Meeting 2023-03-21

Attendance

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Announcements
- @romancardenas joins the embedded WG and risc-v team
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embedded-alloc
- Merge #61?
Tools
- svd2rust unsafe api discussion ongoing https://github.com/rust-embedded/svd2rust/issues/714#issuecomment-1478278195
Embedded HAL
- New i2c: https://github.com/rust-embedded/embedded-hal/pull/440
- SPI new transactional API: https://github.com/rust-embedded/embedded-hal/pull/443
- serial Read, ReadUntilIdle: https://github.com/rust-embedded/embedded-hal/pull/349
  - Discussed in depth, especially the distinction between buffered and unbuffered/direct uart access and how drivers interact with them
- embedded-can https://github.com/rust-embedded/embedded-hal/issues/447

Announcements
Cortex-M
- Embedded alloc: alloc is now available on stable!
- We should release an update to embedded-alloc with #63 merged to support stable
- Consider also merging #61 before release
Tools
- svd2rust unsafe register access? https://github.com/rust-embedded/svd2rust/issues/714
  - perhaps a command-line flag to remove owned singletons from the codegen is the way to go
Embedded HAL
- New i2c: https://github.com/rust-embedded/embedded-hal/pull/441
- i2c shared bus docs: https://github.com/rust-embedded/embedded-hal/pull/440
- async serial write: https://github.com/rust-embedded/embedded-hal/pull/442
  - merged
- serial Read, ReadUntilIdle: https://github.com/rust-embedded/embedded-hal/pull/349
- pwm: merge already? https://github.com/rust-embedded/embedded-hal/pull/430
  - merged