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Embedded Working Group Meeting 2023-10-31

Attendance

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  • adamgreig
  • dirbaio
  • newAM
  • therealprof
  • thejpster
  • tdittr
  • mabez

Agenda

  • Announcements
  • Anti-spam bot
    • No issues so far, so let's say no longer provisional and will just deal with anything as it occurs
  • Rust target maintainers
  • cortex-m-interrupt-number
    • https://github.com/rust-embedded/cortex-m/pull/488
    • Haven't yet checked if this is non-breaking but still expect so
    • Plan for moving PACs off of c-m-rt too?
      • the main issue is the interrupt macro, which currently the PAC re-exports along with an alias to its own interrupt enum
      • proposal is for users to directly use #interrupt(pac::Interrupt) from c-m-rt instead
      • conceivably we could require PACs have Interrupt at the top level, so the macro only needs a reference to the PAC itself
      • some discussion about possible syntax for the interrupt macro
      • perhaps c-m-i-n should be called something else, like c-m-pac-interface or c-m-pac or c-m-interrupts or…?
        • we can use this crate to document the entire expected interface for a cortex-m PAC, so it can be relied on by cortex-m, cortex-m-rt, RTIC, etc, and implemented by svd2rust, chiptool, raltool, etc
  • mutex trait
  • embedded-alloc
  • heapless 0.8 release
    • more or less ready, remaining PRs could be 0.8.1 as not breaking
  • svd2rust: Vector should be repr© https://github.com/rust-embedded/svd2rust/issues/755
  • book: tooling page needs updating
  • bors: ops docs needs updating

Last Week's Minutes

  • Announcements
    • New libs team created, with @dirbaio and @newam as the first members
    • heapless and volatile-register are now looked after by the new libs team
    • embedded-alloc and qemu-exit are moved to the libs team
    • new volatile-register 0.2.2 released with fix for struct repr
    • embedded-io 0.6.1 released with SliceWriteError made public
    • svd2rust 0.30.2 released
    • svd-rs 0.14.3 released
  • Anti-spam bot check
  • Rust target maintainers
  • cortex-m-interrupt-number
    • https://github.com/rust-embedded/cortex-m/pull/488
    • AG to verify this doesn't cause problems then we could probably release it
    • We should also make a plan to move PACs off cortex-m-rt too, so both c-m and c-m-rt can have major new versions without requiring every PAC to upgrade first.
  • mutex trait
  • book: tooling page needs updating
  • bors: ops docs needs updating
  • heapless release of version 0.8
    • Plan is to merge whatever open PRs are mergeable and release 0.8 soon
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