nrf-softdevice
nrf-hal
| nrf-softdevice | nrf-hal | |
|---|---|---|
| 3 | 5 | |
| 236 | 472 | |
| 3.4% | 1.9% | |
| 8.7 | 8.4 | |
| 27 days ago | 10 days ago | |
| Rust | Rust | |
| Apache License 2.0 | Apache License 2.0 |
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nrf-softdevice
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Problems flashing custom firmware to the nice!nano
I'm compiling a very stripped down example from https://github.com/embassy-rs/nrf-softdevice that should just loop forever and turn an LED on and off. I convert from a binary to the uf2 using this script linked in the adafruit bootloader repository. The command I run is uf2conv.py -c -b 0x26000 -f 0xADA52840. When running file on my binary the output is UF2 firmware image, family Nordic NRF52840, address 0x026000, 42 total blocks, exactly the same as on the ZMK image that works without a problem.
- Rust on the MOS 6502: Beyond Fibonacci
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First steps with Embedded Rust: Selecting a board
The Embassy project provides an async wrapper for the Nordic BLE soft device: https://github.com/embassy-rs/nrf-softdevice
nrf-hal
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Rust newcomers are 70x less likely to create vulnerabilities than C++ newcomers [pdf]
You should try again. I think that code is verbose because of the borrowing and because you're trying to do a one-liner. I use the nrf-hal library with the nrf52840, and the code reads pretty nicely. Here's an example:
https://github.com/nrf-rs/nrf-hal/blob/master/examples/blink...
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Any good examples of using embedded Rust with an existing embedded C codebase?
Reading nrf-hal source, unfortunately new does re-configure the UARTE, and there is not a new_unchecked. The solution I can think of is to duplicate the write code with nrf52833_hal::pac::UARTE0. The Uarte type does not contain any metadata, it exists purely to guard the init of UARTE.
- Rust on the MOS 6502: Beyond Fibonacci
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First steps with Embedded Rust: Selecting a board
Really good. Check out the examples in the nrf-hal repo. Also, if you don't mind forking out for some extra components the Knurling sessions by Ferrous Systems are ace.
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I rewrote my Rust keyboard firmware in Zig: consistency, mastery, and fun
The embedded HAL crates do this with extensive use of macros, for example: https://github.com/nrf-rs/nrf-hal/blob/aae17943efc24baffe30b...
This solution makes sense given the constraints of Rust, but there's quite a cost in terms of compiler time and cognitive overhead to understand what is going on.
(Aside: I didn't use the HAL in my Rust firmware, that's a higher layer of abstraction; I only used the PAC crates.)
What are some alternatives?
embassy - Modern embedded framework, using Rust and async.
microbit - A Rust crate for BBC micro:bit development
ziglings - Learn the Zig programming language by fixing tiny broken programs.
atsamd - Target atsamd microcontrollers using Rust
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
riscv-rust-quickstart - A template for building Rust applications for HiFive1 boards
zephyr - Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
chirp8-engine
drogue-device - A distribution of tools and examples for building embedded IoT applications in Rust
CC65-Advanced-Optimizations - How to optimize C code for CC65 compiler