cortex-m
arraystring
| cortex-m | arraystring | |
|---|---|---|
| 6 | 1 | |
| 758 | 20 | |
| 2.6% | - | |
| 7.6 | 0.0 | |
| 4 days ago | over 1 year ago | |
| Rust | Rust | |
| Apache License 2.0 | - |
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cortex-m
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Rust fact vs. fiction: 5 Insights from Google's Rust journey in 2022
I do not have as strong of feelings as your parent, but:
1. A lot of the APIs make use of the typestate pattern, which is nice, but also very verbose, and might turn many people off.
2. The generated API documentation for the lower level crates relies on you knowing the feel for how it generates the various APIs. It can take some time to get used to, especially if you're used to the better documentation of the broader ecosystem.
3. A bunch of the ecosystem crates assume the "I am running one program in ring0" kind of thing, and not "I have an RTOS" sort of case. See the discussion in https://github.com/rust-embedded/cortex-m/issues/233 for example.
- Advisory: Miscompilation in cortex-m-rt 0.7.1 and 0.7.2
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Any frameworks in Rust for developing on SiFive / ST / NXP boards?
For cortex-m support, check out the cortex-m crate
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Getting panic when running Rust-Embedded code to set GPIO mode
See https://github.com/rust-embedded/cortex-m/tree/master/panic-semihosting
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A GPIO Driver in Rust
I don't think so. Once a function is compiled, it basically becomes a black box with a type signature so unless sleeping in a function affects its signature, that information is erased. If you pass in some kind of a sleep token that has to be used to sleep, then yeah I think you could enforce it by only being able to get that token in a non-atomic context and making it leak proof.
The Cortex-M crate does something similar, but for proving that you are in an atomic context. Another function that expects a CriticalSection type is then assured that it's running without interrupts enabled.
https://github.com/rust-embedded/cortex-m/blob/master/src/in...
- Would it be possible to run Rust on the new Raspberry Pi Pico?
arraystring
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A GPIO Driver in Rust
Your examples will not compile without alloc. IMHO, kernel needs another kind of String type anyway, e.g. https://github.com/paulocsanz/arraystring .
What are some alternatives?
cortex-m-rt - Minimal startup / runtime for Cortex-M microcontrollers
Windows-driver-samples - This repo contains driver samples prepared for use with Microsoft Visual Studio and the Windows Driver Kit (WDK). It contains both Universal Windows Driver and desktop-only driver samples.
stm32-rs - Embedded Rust device crates for STM32 microcontrollers
rust - Empowering everyone to build reliable and efficient software.
rtic - Real-Time Interrupt-driven Concurrency (RTIC) framework for ARM Cortex-M microcontrollers
wyhash-rs - wyhash fast portable non-cryptographic hashing algorithm and random number generator in Rust
pico-examples
stm32-hal - This library provides access to STM32 peripherals in Rust.
zero-copy-pads - Padding/aligning values without heap allocation
embedded-alloc - A heap allocator for embedded systems
bbqueue - A SPSC, lockless, no_std, thread safe, queue, based on BipBuffers
probe-run - Run embedded programs just like native ones