SwiftZephyr

SwiftZephyr wraps Zephyr RTOS C APIs to make them cleaner to use in Swift.

The APIs that are supported so far are:

• Devices and device tree lookup
• Time APIs (Timespec and Timeout)
• Error codes (ZephyrError)
• Reboot and last reset reason
• More WIP

Usage

This library uses CMake to build, and it will not build alone. To build, it should be included in an existing Zephyr application build.

# Add the SwiftZephyr library as a subdirectory
add_subdirectory(extra/SwiftZephyr)

# Add dependency
target_link_libraries(MySwiftApp PRIVATE SwiftZephyr)

Note

For now, while this package is set up to work as a Zephyr module, this fails to build because findPackage(Zephyr) must be run before enabling Swift, breaking CMake somehow.

Swift CMake Helper

This package also provides a CMake helper that sets up Swift Embedded for Zephyr automatically. It sets all the required compiler flags, sets the compiler target, passes along C flags and defines from Zephyr, provies an implementation for posix_memalign for Swift, and enables strict memory safety. To use this helper, add the following to your CMakeLists.txt after both setting up your project and finding Zephyr:

include(extra/SwiftZephyr/cmake/SwiftSetup.cmake)

# Make my Swift app target
...
target_link_libraries(MyAppTarget PRIVATE SwiftZephyr)
target_link_libraries(app PRIVATE MyAppTarget)