probe-run
svd2nim
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probe-run | svd2nim | |
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6 | 7 | |
646 | 17 | |
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0.0 | 4.5 | |
3 months ago | 4 months ago | |
Rust | Nim | |
Apache License 2.0 | MIT License |
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probe-run
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blink sketch for stm32f411?
Install probe-run (this is optional, but makes flashing easier)
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This Year in Embedded Rust: 2021 Edition
This made me want to try getting some of these tools running. Probe run looked so handy, but it just doesn't work for me.
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Any frameworks in Rust for developing on SiFive / ST / NXP boards?
For flashing, Check out Kurling's Probe-run, and related tools like defmt, as well as their app template.
- Writing embedded firmware using Rust
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Rust community should go all in on supporting Raspberry Pi RP2040 Microcontrollers
You don't need a USB file system for a convenient dev experience. In fact you can achieve an even more integrated experience with Rust today, on essentially any Cortex-M microcontroller if you set up probe-run. It makes cargo run flash and run the code on your microcontroller and can even be invoked with rust-analyzer's run button or an IDE command.
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How can I use probe-run and still debug application
I've been looking for a way to debug my application like I would from GDB (ie: set breakpoints, inspect registers, step, etc.) but I haven't found any documentation on how to accomplish this with probe-run.
svd2nim
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Memory-mapped IO registers in Zig. (2021)
Nim's maintainer agrees with you I believe, and the API is as you suggest (volatileLoad and volatileStore): https://nim-lang.org/docs/volatile.html
However, under the hood, Nim compiles to C. So these are macros that typecast to volatile, does the read (or write), then casts back to non-volatile.
(Small plug for my nim project that is somewhat related to OP: https://github.com/EmbeddedNim/svd2nim)
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New embedded programming language with C as a host language
C++ has decent industry acceptance in embedded nowadays, or at least that has been my impression.
After C++, rust is likely the most popular, quite a lot of effort has been put into running rust on embedded, see eg https://github.com/rust-embedded. However, once again to my understanding, industry acceptance is still highly marginal.
After that, there's a bunch of toy-ish efforts to run other languages. Zig, nim, python and javascript variants, etc. Usually anything that has C ABI compatibility should be possible to get up and running (without writing a compiler backend from scratch). I've had fun with some toy projects using nim for ARM cortex-M targets (https://github.com/EmbeddedNim/svd2nim, https://github.com/auxym/nim-on-samd21, https://github.com/EmbeddedNim/picostdlib).
Using Nim (and eg svd2nim to generate the equivalent of CMSIS headers for register access in pure nim), it would be entirely possible to write even the low level stuff (SPI drivers and whatnot) in 100% nim, with the same performance as C and better safety (better static type system and compile-time checks, etc). Runtime (eg overflow) checks and garbage collection are available (at the cost of some performance) but optional. See eg. a pretty basic higher-level API for GPIO access, that provides native performance, since the abstraction is implemented as macros (compile-time abstraction): https://github.com/auxym/nim-on-samd21/blob/master/src/port....
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specify address of a variable
Any chance your MCU is ARM? If so check out my project to generate the register mappings from CMSIS SVD files: https://github.com/EmbeddedNim/svd2nim
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Emulator of Original Dell Charger Using ATTINY85
To be clear: Ratel isn't my project, just something I'm following due to interest.
In the interest of shameless self promotion :), my own experimentations are :
https://github.com/EmbeddedNim/svd2nim
https://github.com/auxym/nim-on-samd21
And I've used and contributed to picostdlib (https://github.com/beef331/picostdlib), the rp2040 support library.
All just as a hobby, but it's interesting to learn that some companies are actually looking into Nim for firmware! Embedded seems like such a slow moving industry. I believe the author of Nesper and Nephyr also developed them for professional work.
- Ask HN: What's Your Side Project?
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An Embedded USB Device Stack in Ada
Many vendors provide svd files which describe the hardware registers. It's possible to convert the svd automatically like they do for C. Here's an example for Nim [1]. Rust has one as well.
Though I agree that MCU's currently involve a lot of busy work. It's why I'm working on building a nice system building on Zephyr using Nim [2]. It's pretty great to write a few dozen lines of concise memory safe code to do somethinguseful, and then be able to run it on dozens different MCUs.
It'd be great if there was more Ada core in these systems, as Zephyr is all built in C. At least it's modern clean C and well tested.
1: https://github.com/EmbeddedNim/svd2nim
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Writing embedded firmware using Rust
If you're curious, I have this in MVP status at the moment: https://github.com/auxym/svd2nim
What are some alternatives?
cargo-embed - a cargo extension for working with microcontrollers
rp2040_hal - Ada drivers for the Raspberry Pi RP2040 SoC
defmt - Efficient, deferred formatting for logging on embedded systems
picostdlib - Nim wrapper for the raspberry pi stdlib
stm32-rs - Embedded Rust device crates for STM32 microcontrollers
kcgi - minimal CGI and FastCGI library for C/C++
stm32f7xx-hal - A Rust embedded-hal HAL for all MCUs in the STM32 F7 family
nephyr - Nim wrapper for Zephyr
stm32-hal - This library provides access to STM32 peripherals in Rust.
dotfile - Simple version control made for tracking single files
rust-raspberrypi-OS-tutorials - :books: Learn to write an embedded OS in Rust :crab:
stm32f429i-disc - Rust BSP crate for the STM32F429I-DISC development board