give me sample code for embedded swift
Generated on 9/25/2024
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To get started with embedded Swift, Apple has provided a set of example projects on GitHub that demonstrate how to use embedded Swift on various devices, including ARM and RISC V microcontrollers. These examples can serve as templates for your own projects. You can find more information and resources in the embedded Swift user manual, which is recommended for understanding how to interact with vendor SDKs and build systems.
Here's a brief overview of what you can do with embedded Swift:
- Embedded Swift is a subset of Swift designed for constrained embedded devices, offering most of the language features like value and reference types, closures, optionals, error handling, and generics.
- It is currently an experimental feature and works best with preview toolchains from swift.org.
- Embedded Swift supports ARM and RISC V chips and is not hardware-specific, making it adaptable to new instruction sets.
- Swift's interoperability allows you to use existing C APIs from vendor SDKs, and it's beneficial to build wrappers and abstractions for cleaner Swift code.
For a practical example, you can refer to the session "Go small with Embedded Swift" where a demo is shown on building a simple HomeKit color LED light using an ESP32 C6 device. The session provides insights into using Swift's interoperability to control hardware components like LEDs.
For more detailed code examples and to explore embedded Swift further, you can check out the Go small with Embedded Swift session, particularly the chapter on "Using Swift's interoperability to control the LED" starting at 06:19.
Go small with Embedded Swift
Embedded Swift brings the safety and expressivity of Swift to constrained environments. Explore how Embedded Swift runs on a variety of microcontrollers through a demonstration using an off-the-shelf Matter device. Learn how the Embedded Swift subset packs the benefits of Swift into a tiny footprint with no runtime, and discover plenty of resources to start your own Embedded Swift adventure.
What’s new in Swift
Join us for an update on Swift. We’ll briefly go through a history of Swift over the past decade, and show you how the community has grown through workgroups, expanded the package ecosystem, and increased platform support. We’ll introduce you to a new language mode that achieves data-race safety by default, and a language subset that lets you run Swift on highly constrained systems. We’ll also explore some language updates including noncopyable types, typed throws, and improved C++ interoperability.