Async Rust on a Tiny Chip?
👉Join the Rust Live Accelerator waitlist: https://letsgetrusty.com/join/wv-QJyc3RVq24QHow do you run async Rust on a microcontroller without an operating system? We walk through an Embassy example that blinks an LED while listening for button presses. Learn how no_std, Embassy's executor, hardware ownership, GPIO pins, and async timers work together to keep both tasks responsive on a tiny chip.
Embassy: https://embassy.dev/
Embassy source and examples: https://github.com/embassy-rs/embassy
Chapters
0:00 Why Tokio doesn't fit this bare-metal chip
0:24 The LED and button example
1:06 no_std, no_main, and Embassy startup
2:01 Spawning the blink task
2:40 Hardware ownership with Peri and AnyPin
3:35 Configuring the LED output
4:04 Blinking with async timers
4:56 Setting up the button and logging
5:37 Awaiting button presses and releases
6:13 Watching both async tasks run Receive SMS online on sms24.me
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