Embedded Working Group Meeting 2023-01-24

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• Meetings: Tuesday 8pm Europe/Berlin time
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• Today's date: 2023-01-24
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Attendance

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• adamgreig
• cr1901
• jannic
• dkhayes117
• newAM
• therealprof
• almindor
• eldruin

Agenda

• Announcements
  • riscv 0.10.1 released with CS fix
  • riscv-rt 0.11.0 released with new riscv
• Embedded HAL
  • PwmPin https://github.com/rust-embedded/embedded-hal/pull/430
    • Updated to include new get_max_duty method and helper methods
    • Not sure on name yet, maybe include "Pwm", maybe expand duty to duty cycle?
  • GPIO ErrorKind https://github.com/rust-embedded/embedded-hal/pull/431

Last Week's Minutes

• Announcements
  • probe-rs 0.14 released
• WG
  • TYIER
  • Social media policy https://github.com/rust-embedded/wg/pull/651
    • Needs updating for Mastodon
• Cortex-M
  • Mysterious bug in semihosting?
    • https://github.com/rust-embedded/cortex-m/issues/459
    • Seems likely to be a qemu issue, though we could
      possibly work around with a nop in debug::exit,
      which has pretty low overhead since it's only
      used at the end of tests
  • c-m-rt zero-init RAM PR https://github.com/rust-embedded/cortex-m/pull/455
• Embedded HAL
  • PwmPin trait? https://github.com/rust-embedded/embedded-hal/pull/430
    • New suggestion avoids some extra computation
  • GPIO ErrorKind https://github.com/rust-embedded/embedded-hal/pull/431#pullrequestreview-1249623337
  • embedded-alloc to HAL team?
    • leave with cortex-m for now
• Risc-V
  • Critical section bug? https://github.com/rust-embedded/riscv/pull/121
    • Yep, merged.