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Embedded Rust
on
ESP32
2022-11-24
Rust Linz
Juraj Michálek - Espressif Systems
Early days of Rust support
Blog: https://mabez.dev/blog/posts/
EDC22 Day 1 Talk 7: Rust on Espressif chips -
https://youtu.be/qeEmJ_-6fPg
wokwi.com/rust
Quick start
Contribute: https://github.com/wokwi
EDC22 Day 1 Talk 9: Your browser is
ESP32 - Wokwi -
https://youtu.be/TKe4MgD6O8o
OSes and integration
no_std a.k.a. bare metal - https://github.com/esp-rs/esp-hal (minimalistic)
std based on ESP-IDF (OS based on FreeRTOS) - https://github.com/esp-rs/esp-idf-hal (full feature)
Zephyr - https://zephyrproject.org/ (as app, possible to separate core for security apps)
- EDC22 Day 1 Talk 10: Applications of Asymmetric Multiprocessing with ESP32 Devices - including Rust on one core -
https://youtu.be/oble9ObAqxM
NuttX - https://nuttx.apache.org/ (as app, Linux-like OS, separate core for sec. apps)
SVD files: https://github.com/espressif/svd
Peripheral Access Crates (PACs): https://github.com/esp-rs/esp-pacs
Many chips, many boards - quick help
https://products.espressif.com/
Development options
- Local
- bootstrap whole env with “espup install” - https://github.com/esp-rs/espup#installation (written in Rust)
- bootstrap with sh/pwsh (older method) - https://github.com/esp-rs/rust-build#download-installer
- Local in container
- Podman, Docker, Lima
- with VS Code Remote Container extension
- Cloud in GitPod.io or CodeSpaces
- EDC22 Day 2 Talk 11 Just Few dot files in Repo or Paradigm Shift to Cloud-based Embedded Development -
https://youtu.be/WAwfRyOy7N8
- Wokwi.com
Create new project
Bare metal:
cargo generate https://github.com/esp-rs/esp-template
STD with ESP-IDF:
cargo generate --vcs none --git https://github.com/esp-rs/esp-idf-template cargo
Build, flash, monitor
cargo espflash --release --monitor
-note: always flash with release due to size and other limitations
Examples:
- https://github.com/esp-rs/awesome-esp-rust
- https://github.com/georgik/esp32-buddy-rs
- https://github.com/playfulFence?tab=repositories
- https://github.com/sambenko/esp32s3-box-examples
Explore no_std
Supported peripherals: https://github.com/esp-rs/esp-hal/issues/19
git clone git@github.com:esp-rs/esp-hal.git --depth 1
cd esp-hal/esp32c3-hal/
cargo espflash --release --example hello_rgb --monitor --features "smartled"
Embedded Graphics (e.g. ESP32-S3-BOX)
https://github.com/espressif/esp-box
ESP32-Sooky-Maze (PoC):
https://github.com/georgik/esp32-spooky-maze-game
Simple bare metal branch: main
WASM | ESP32-S3 Xtensa targets: feature/multiplatform
Big advantage of Rust:
shared business logic over multiple platforms!
Explore STD + ESP-IDF
cargo generate --vcs none --git https://github.com/esp-rs/esp-idf-template cargo
Embuild: https://github.com/esp-rs/embuild
- Rust build system integrating with ESP-IDF
- Big thanks to N3xed, ivmarkov and whole open source community
Designing Open Hardware - esp-rust-board
KiCad templates
https://github.com/esp-rs/esp-rust-board
ESP32-C3-DevKit-RUST-1 (available at Mouser, AliExpress)
https://www.espressif.com/en/products/devkits
ESP-RS organisation https://github.com/esp-rs
Rust ESP32 Community meeting
Regular meeting every two weeks
https://github.com/esp-rs/rust/discussions/
Training Embedded for ESP32-C3 by Ferrous Systems
Training: https://ferrous-systems.com/training/#package-espressif-beginner-training
Material: https://espressif-trainings.ferrous-systems.com/
GitHub: https://github.com/ferrous-systems/espressif-trainings/
GitPod.io + Wokwi.com
https://github.com/playfulFence/esp-clock#dev-containers
Some links
The Rust on ESP Book - https://esp-rs.github.io/book/
Awesome ESP Rust - https://github.com/esp-rs/awesome-esp-rust
- submit your project :-)
Some Inspiration
(not necessary in Rust)
Wearables
The Ultimate Guide to Informed Wearable Technology
- book: https://packt.link/01VBv
Time-O-Mat - built at summer camp
https://github.com/vedatori/Time-O-Mat
Grafana
https://grafana.com/blog/2020/06/17/how-to-monitor-a-sourdough-starter-with-grafana/
https://github.com/grafana/diy-iot - Arduino now. We’re not Rust yet :)
Visit us in Brno
Espressif Systems (Czech) s.r.o.
Přízova 3, 602 00 Brno
Czechia, Europe
See you in Linz in 2023. We’re planning ESP32 Rust Workshop ;-)

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Embedded Rust on ESP2 - Rust Linz

  • 2. Early days of Rust support Blog: https://mabez.dev/blog/posts/ EDC22 Day 1 Talk 7: Rust on Espressif chips - https://youtu.be/qeEmJ_-6fPg
  • 3. wokwi.com/rust Quick start Contribute: https://github.com/wokwi EDC22 Day 1 Talk 9: Your browser is ESP32 - Wokwi - https://youtu.be/TKe4MgD6O8o
  • 4. OSes and integration no_std a.k.a. bare metal - https://github.com/esp-rs/esp-hal (minimalistic) std based on ESP-IDF (OS based on FreeRTOS) - https://github.com/esp-rs/esp-idf-hal (full feature) Zephyr - https://zephyrproject.org/ (as app, possible to separate core for security apps) - EDC22 Day 1 Talk 10: Applications of Asymmetric Multiprocessing with ESP32 Devices - including Rust on one core - https://youtu.be/oble9ObAqxM NuttX - https://nuttx.apache.org/ (as app, Linux-like OS, separate core for sec. apps) SVD files: https://github.com/espressif/svd Peripheral Access Crates (PACs): https://github.com/esp-rs/esp-pacs
  • 5. Many chips, many boards - quick help https://products.espressif.com/
  • 6. Development options - Local - bootstrap whole env with “espup install” - https://github.com/esp-rs/espup#installation (written in Rust) - bootstrap with sh/pwsh (older method) - https://github.com/esp-rs/rust-build#download-installer - Local in container - Podman, Docker, Lima - with VS Code Remote Container extension - Cloud in GitPod.io or CodeSpaces - EDC22 Day 2 Talk 11 Just Few dot files in Repo or Paradigm Shift to Cloud-based Embedded Development - https://youtu.be/WAwfRyOy7N8 - Wokwi.com
  • 7. Create new project Bare metal: cargo generate https://github.com/esp-rs/esp-template STD with ESP-IDF: cargo generate --vcs none --git https://github.com/esp-rs/esp-idf-template cargo
  • 8. Build, flash, monitor cargo espflash --release --monitor -note: always flash with release due to size and other limitations Examples: - https://github.com/esp-rs/awesome-esp-rust - https://github.com/georgik/esp32-buddy-rs - https://github.com/playfulFence?tab=repositories - https://github.com/sambenko/esp32s3-box-examples
  • 9. Explore no_std Supported peripherals: https://github.com/esp-rs/esp-hal/issues/19 git clone git@github.com:esp-rs/esp-hal.git --depth 1 cd esp-hal/esp32c3-hal/ cargo espflash --release --example hello_rgb --monitor --features "smartled"
  • 10. Embedded Graphics (e.g. ESP32-S3-BOX) https://github.com/espressif/esp-box ESP32-Sooky-Maze (PoC): https://github.com/georgik/esp32-spooky-maze-game Simple bare metal branch: main WASM | ESP32-S3 Xtensa targets: feature/multiplatform Big advantage of Rust: shared business logic over multiple platforms!
  • 11. Explore STD + ESP-IDF cargo generate --vcs none --git https://github.com/esp-rs/esp-idf-template cargo Embuild: https://github.com/esp-rs/embuild - Rust build system integrating with ESP-IDF - Big thanks to N3xed, ivmarkov and whole open source community
  • 12. Designing Open Hardware - esp-rust-board KiCad templates https://github.com/esp-rs/esp-rust-board ESP32-C3-DevKit-RUST-1 (available at Mouser, AliExpress) https://www.espressif.com/en/products/devkits
  • 14. Rust ESP32 Community meeting Regular meeting every two weeks https://github.com/esp-rs/rust/discussions/
  • 15. Training Embedded for ESP32-C3 by Ferrous Systems Training: https://ferrous-systems.com/training/#package-espressif-beginner-training Material: https://espressif-trainings.ferrous-systems.com/ GitHub: https://github.com/ferrous-systems/espressif-trainings/
  • 17. Some links The Rust on ESP Book - https://esp-rs.github.io/book/ Awesome ESP Rust - https://github.com/esp-rs/awesome-esp-rust - submit your project :-)
  • 19. Wearables The Ultimate Guide to Informed Wearable Technology - book: https://packt.link/01VBv
  • 20. Time-O-Mat - built at summer camp https://github.com/vedatori/Time-O-Mat
  • 22. Visit us in Brno Espressif Systems (Czech) s.r.o. Přízova 3, 602 00 Brno Czechia, Europe See you in Linz in 2023. We’re planning ESP32 Rust Workshop ;-)