avr-hal-template
embassy
avr-hal-template | embassy | |
---|---|---|
3 | 70 | |
113 | 4,446 | |
- | 5.8% | |
6.3 | 9.9 | |
16 days ago | 1 day ago | |
Rust | Rust | |
Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
avr-hal-template
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New crate "panic-serial": prints panic messages to a serial port on no_std targets
What bugged me right away was that the default panic handler (panic-halt) which comes with templates like this one gives no feedback whatsoever (I realize that's a very good default, and am not suggesting at all that it gets changed).
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Learning Embedded rust
The best way to start your own project is by using the template: https://github.com/Rahix/avr-hal-template
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Getting Started With Embedded Development Using Rust and Arduino
cargo generate --git https://github.com/Rahix/avr-hal-template.git
embassy
- Embassy 在 Blue Pill 上的点灯案例
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Why choose async/await over threads?
thanks. looked that up. for the curious: https://embassy.dev/
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Accessing the Pinecil UART with Picoprobe
Running the Embassy RP2040 USB CDC ACM serial example takes about 5 seconds on a Pico.
https://github.com/embassy-rs/embassy/blob/main/examples/rp/...
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Avoid Async Rust at All Cost
Async solves different problems, you can, for instance, have just a single-threaded CPU and still have a nice API if you have async-await. It might not be so cool at a higher level as Go's approach of channels and threads, but it's cool in embedded, read this:
https://github.com/embassy-rs/embassy?tab=readme-ov-file#rus...
"Rust's async/await allows for unprecedently easy and efficient multitasking in embedded systems. Tasks get transformed at compile time into state machines that get run cooperatively. It requires no dynamic memory allocation, and runs on a single stack, so no per-task stack size tuning is required. It obsoletes the need for a traditional RTOS with kernel context switching, and is faster and smaller than one!"
I'm just toying with Raspberry Pi Pico and it's pretty nice.
Go and Rust have different use cases, the async-await is nice at a low level.
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Is anyone using coroutines seriously?
I have not yet dipped by toes in the Rust waters, but reading about the embassy project is actually what piqued my curiosity about using C++ coroutines in embedded. Are you familiar with the project or have you found it lacking?
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The state of BLE and Rust (no_std)
I think I get the basics (shoutout to the Rust Embedded Working Group!), and I've started looking for the stack I'd be using. I think Embassy is really amazing, as well as the work of the ESP team -- hats off.
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Rust newcomers are 70x less likely to create vulnerabilities than C++ newcomers [pdf]
> }
And this is how to do it using embassy, which is an async framework for embedded in rust:
https://github.com/embassy-rs/embassy/blob/main/examples/rp/...
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The State of Async Rust
> not good for embedded
embassy begs to differ
https://embassy.dev/
async/await is really just a syntax for building state machines in a way that resembles regular code. It's compiled down to the same code that you would write by hand anyway (early on it had some bloat in state size but I think it's all fixed now).
And embedded has a lot of state machines!
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Asynchronous Rust on Cortex-M Microcontrollers
You can run multiple executors at different interrupt priority levels (with multiple tasks per executor), which allows tasks on the higher priority executor to interrupt other tasks. Here's an example https://github.com/embassy-rs/embassy/blob/main/examples/nrf...
- Espressif advances with Rust – 30-06-2023
What are some alternatives?
async-avr - async/await for AVR with Rust
rtic - Real-Time Interrupt-driven Concurrency (RTIC) framework for ARM Cortex-M microcontrollers
esp-idf-template - A "Hello, world!" template of a Rust binary crate for the ESP-IDF framework.
rusty-clock - An alarm clock with environment stats in pure bare metal embedded rust
avr-device - Register access crate for AVR microcontrollers
smoltcp - a smol tcp/ip stack
avr-hal - embedded-hal abstractions for AVR microcontrollers
rust-mos - Empowering everyone to build reliable and efficient software.
templates - Templates for bootstrapping a Rust TUI application with Ratatui
nrf-hal - A Rust HAL for the nRF family of devices
PikaPython - An ultra-lightweight Python interpreter that runs with only 4KB of RAM, zero dependencies. It is ready to use out of the box without any configuration required and easy to extend with C. Similar project: MicroPython, JerryScript.
async-std - Async version of the Rust standard library