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Embedded & IoT

Long range networking with LoRa: an overview

Henk Dieter
Henk Dieter
open-source
embedded
stm32
rust
Welcome to the age of communication. It's 2021 and technology has come a long way. People, large machines and small devices communicate more intensively than ever before, and many technologies to enable them to do so have been developed. Some of those technologies use physical pathways like fibreglass to reach their receivers, others use radio signals to send messages. It's these wireless communication technologies that spark the imagination the most.

Build your own async primitive

Lars
Lars
open-source
rust
embedded
Concurrency isn't easy and implementing its primitives is even harder. I found myself in need of some no-std, no-alloc Rust async concurrency primitives and decided to write some. I kept the scope small so even you and I can understand it. Even so, it still involved futures, wakers, atomics, drop and unsafe. I'll introduce each of those to you while building a simple primitive. At the end, you will be able to implement your own primitives!

Potential improvements for Rust embedded abstractions

Lars
Lars
stm32
rust
embedded
Recently, we worked on an embedded (STM32) project in Rust and we got some hands-on experience with the abstractions commonly used for that. There's embedded-hal, which offers abstractions related to timing, GPIO pins and common communication peripherals like SPI and USART. There's also multiple stm32xxx-hal crates which offer abstractions over most of the peripherals of different STM32 CPU families. Although many of them were nice to use, we found some parts to be lacking and we'd like to propose some potential improvements to embedded-hal and its implementing crates.

Rust, my first embedded language (1/5)

Marlon
Marlon
embedded
rust
why-rust
First-up is Henk Dieter, backend developer at Tweede golf. He has been interested in Rust for quite some time. Actually, it’s how Henk Dieter found out about Tweede golf, as it was one of the first companies in the Netherlands to adopt Rust as their weapon of choice.

The promise of Rust async-await for embedded

Wouter
Wouter
rust
embedded
Typically embedded devices are developed using C++. At Tweede golf we have chosen to use Rust instead for implementing our embedded devices. This is controversial as the embedded hardware field is generally quite conservative. Convincing our clients to adopt Rust for their products can be a challenge.

Why Rust is a great fit for embedded software

Henk Dieter
Henk Dieter
stm32
embedded
rust
Rust is nice for a lot of things. At Tweede golf we've been using the language primarily for high-performance web applications. But that's not all Rust can do. Rust can be used to write embedded applications as well.

Making embedded robust with Rust

Lars
Lars
rust
embedded
Embedded software has an issue that most software doesn't: It can be very hard to get it patched. Sometimes a device hangs 5 meters high on a street light in the middle of a highway in another country. Sometimes a device is attached to a customer's heart. Sometimes strict validation requirements make changes to the software very expensive. In each case it is important to build software that doesn't fail, even in unpredictable conditions.
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