Rust ESP32 Community Meeting 2023-10-26

[SergioGasquez]

Please add topics and links to this discussion.

The meeting is scheduled for 26th October 2023 - 5 pm CEST/GMT+2 (a.k.a. Brno time) via Google Meet. The meeting invite is automatically sent to attendees of previous meetings. If you'd like to join, please notify us at https://matrix.to/#/#esp-rs-community-meetins:matrix.org

You can find information from the previous meeting at https://github.com/esp-rs/rust/discussions

If you find a topic exciting, click Arrow Icon or Emoji, and your vote will give the preference to the topic.

[georgik]

Rust Releases

• 1.73.0.1 - latest release with LLVM 16 and GCC 13 - https://github.com/esp-rs/rust-build/releases/tag/v1.73.0.1
  • fixing Problems with C variadics #177
  • use latest espup to deploy with new GCC 13
• 1.74.0.0 - scheduled official release with LLVM 16 and GCC 13 - around 20th November 2023

ESP-IDF Releases

• Available releases of ESP-IDF: 5.1.1, 5.0.4, 4.4.6, 4.3.5, 4.2.5

Past Events

• betterCode() Rust - 24th October - online
  • slides from talk: Rust in the Industry – Secure and Sustainable Development

Wokwi

Experiments

• test of Ferrocene with ESP32 RISC-V targets - compilation and runtime without problem
• esp32-spooky-maze-game - CI update - building app targets in a container at GitHub

[MabezDev]

RFCs

• Final call for comments on removing direct boot - [RFC] Remove direct-boot support? esp-hal#803

Compiler

• We cut a 1.73.0.1 release which fixed Can I redefine or extend the defined by HAL interrupt handler? esp-hal#856 via Add a custom lowering of vaarg for xtensa. #201

embedded-hal

• Make SliceWriteError publicly accessible rust-embedded/embedded-hal#513 released with embedded-io 0.6.1

esp-hal

• Add LLD option for all Xtensa chips esp-hal#861 - Note, won't work properly until 1.74.0.0, even after that esp-wifi won't link under LLD yet.
• Fix Async UART esp-hal#871
• ESP32-S2 fails to link esp-hal#874

esp-flasher-stub

• First release: https://github.com/esp-rs/esp-flasher-stub/releases

[JurajSadel]

esp-hal

• AES async - really cursed stuff
  • looked into ESP-IDF driver, there is a trigger limit (2000) when interrupt will be used
  • I tried to decrease the trigger value and ESP-IDF started crashing
• reviewed Prelude improvements/fixes esp-hal#860 and Replace the radio module with peripheral singleton structs esp-hal#852
• added modem clock function for H2 (BLE)

esp-wifi

• BLE for ESP32H2 in progress

[SergioGasquez]

book

• Add link to espflash dependencies book#124

esp-idf-template

• Add and update Wokwi files esp-idf-template#164

esp-template

• Remove --all-targets clippy argument esp-template#120
• Update wokwi boards esp-template#121

espflash

• Add publish to crates.io job espflash#492
• Add log-format argument espflash#493
• Should now be ready for a new release

espup

• Remove emojis espup#376
• Prepare 0.7.0 release espup#378
• Prepare new development cycle espup#379
• Add symlink to LLVM  espup#380
• Setup user environment espup#381
• Update docs regarding tab completion espup#382
• After espup#380 or espup#381 are merged, will probably a new release

rust-build

• Cleanup and CI update rust-build#237
• Add dependabot rust-build#238
• Avoid using set-output rust-build#245

std-training

• Add espflash dependencies std-training#211

wokwi-builders

• Fix timeout issue due to cargo-audit wokwi/wokwi-builders#54
• Add ESP32-H2 support wokwi/wokwi-builders#55

wokwi-projects

• Add ESP32-H2 template projects SergioGasquez/wokwi-projects#13

esp-hal

• Tried to debug SHA DMA, still not working

[jessebraham]

ESP-HAL

• Add a defmt feature to esp-hal-smartled esp-hal#846
• Replace the radio module with peripheral singleton structs esp-hal#852
• Replace SpiNInstance marker traits with concrete types esp-hal#853
• Assorted analog-related simplifications/clean up esp-hal#857
• Prelude improvements/fixes esp-hal#860
• Preparing a PR updating the PACs and fixing all the breaking changes
• Working on resolving the final prelude issues (this is a big task)
• Started work on HIL testing, blocked by a probe-rs issue currently

ESP-PACS

• Bump MSRV to 1.67.0 and update xtask esp-pacs#164

SVD

• A bunch more work on SVD for ESP32-P4
  • It's in pretty decent shape now, I'd say. Probably close to ready for an initial release, at least
  • No rush until we have hardware, though, so I'll keep poking at it
• Upstreamed changes from esp-pacs
• Made some peripherals more consistent across devices

[bjoernQ]

esp-hal

• ESP32-S3 16MB octal PS-RAM support
  • Add support for 16MB octal PS-RAM (ESP32-S3) esp-hal#858
• RISCV TRACE Encoder driver C6/H2
  • Add RISCV TRACE Encoder driver esp-hal#864
• Fix ESP32-S3 direct-boot
  • Fix/esp32s3 direct boot esp-hal#873
• Fix ESP32-C6 ADC
  • Workaround for ESP32-C6 one-shot ADC esp-hal#876

esp-println

• new release https://crates.io/crates/esp-println/0.7.0

esp-backtrace

• new release https://crates.io/crates/esp-backtrace/0.9.0

bleps

• POC of pairing via BT4.2 Secure Connection
  • https://github.com/bjoernQ/bleps/tree/experiment/security-manager
  • still a lot to do

[tom-borcin]

Quarterly Plan Review

High Priority

1. Create a PAC for the ESP32-P4 esp-pacs#81
   • Let me know if you need ESP32-P4 boards
2. Add support for the RISC-V ULP esp-hal#377
3. Set up automated testing on hardware espflash#439

Medium Priority

1. Implement async support for all applicable peripheral drivers esp-hal#361
2. Implement support for light-/deep-sleep esp-hal#375
3. Release first version on crates.io esp-wifi-sys#154
4. Set up hardware-in-loop testing esp-hal#809
5. Evaluate: https://github.com/georgik/esp32-idf-no-std-rust-component#integrating-a-rust-component-into-an-esp-idf-project