svd2nim
v-mode
svd2nim | v-mode | |
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7 | 89 | |
17 | 57 | |
- | - | |
4.5 | 0.0 | |
4 months ago | over 1 year ago | |
Nim | Emacs Lisp | |
MIT License | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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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.
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
v-mode
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Things I've learned about building CLI tools in Python
Fingers crossed for vlang[0]. It's like golang with better types and more syntactic sugar. Feels like a proper upgrade from Python.
I really hope they succeed.
[0]: https://vlang.io/
- Ask HN: Who is developing a programming language that compiles to C?
- The V Programming Language 0.4
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Ah, Go, with its simple and straightforward syntax, where things just make sense (most of the time, before generics were added)
And again a No true Scotsman. If that's the kind of attitude you have towards languages, you'll appreciate V infinitely more than you might be appreciating Rust. After all, it offers better solutions than Rust, like autofree, they just aren't there yet :)
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Why is Vlang's autofree model not more widely used?
I discovered VLang today. It's an interesting project.
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Seed7 version 2023-05-29 released on GitHub and SF
According to their own benchmarks, Seed7 can run faster than C (it compiles to C, but it's entirely possible the emited code is better optimized than a human could write directly in C)... it doesn't have a GC BUT manages memory automatically (I didn't really follow the explanation in the FAQ, something about automatically freeing variables that go out of scope and keeping only one reference around?)... that's like a current pipe dream for language designers! From https://vale.dev/ to https://vlang.io/, no one has pulled that off yet, to my knowledge... has Seed7 done that all those years ago?!
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Eggcellent Adventure - announcement
Help V programming language to gain more popularity and show to game development community that this is a good language for game development
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As a Go developer, I’m surprised Crystal isn’t more popular
Try http://vlang.io
- Go superset
What are some alternatives?
rp2040_hal - Ada drivers for the Raspberry Pi RP2040 SoC
Odin - Odin Programming Language
probe-run - Run embedded programs just like native ones
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
picostdlib - Nim wrapper for the raspberry pi stdlib
Nim - Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).
kcgi - minimal CGI and FastCGI library for C/C++
dmd - dmd D Programming Language compiler
nephyr - Nim wrapper for Zephyr
Vale - Compiler for the Vale programming language - http://vale.dev/
dotfile - Simple version control made for tracking single files
v - Simple, fast, safe, compiled language for developing maintainable software. Compiles itself in <1s with zero library dependencies. Supports automatic C => V translation. https://vlang.io