Embedded Working Group Meeting 2022-09-27

Attendance

Write your GH username or Matrix handle here!

  • adamgreig
  • almindor
  • newAM
  • eldruin
  • cr1901
  • therealprof
  • lulf
  • jannic

Agenda

  • Announcements
  • Embedded HAL
    • Issue opened for c-s bloat https://github.com/rust-lang/rust/issues/102295
    • PR to split e-h-nb merged
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    • Road to 1.0…
      • Are the SPI traits ready to go?
        • Can't be implemented on Linux spidev
        • Unclear how it interacts with hardware CS and other weird CS modes
        • Maybe requirements around transaction() needs loosening to permit some other CS behaviours
          • Perhaps allow end user to configure the hardware to do something unusual (CS per byte, TI mode, hardware CS that may deassert halfway through if it runs out of data, etc), but default must be conformant
        • to be continued
  • End of month Twitter roundup coming soon

Last Week's Minutes

  • Announcements
    • Rust 1.64 this Thursday!
      • &UnsafeCell no longer Dereferenceable
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      • Nintendo Switch platform added
      • Network types now have a Rust repr, opening the way for them to move to core
      • thumbv6m-none-eabi asm!() no longer accepts high registers (https://github.com/rust-lang/rust/pull/99155/)
    • critical-section v1. 1.1 released with fix for std mutex poisoning
  • Embedded HAL
  • End of month Twitter roundup coming soon
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