Zephyr backend modules

Pigweed provides native Zephyr backends for several of its core OS abstraction layers.

OS backend modules

API group	Backend module	Description
Time	pw_chrono_zephyr	Non-overflowing 64-bit clock support and delayable-work timers.
Interrupts	pw_interrupt_zephyr	Interrupt-context detection utilities.
Memory Allocation	pw_allocator_zephyr	Interface wrappers mapping allocation to Zephyr kernel heaps.
Synchronization	pw_sync_zephyr	Type-safe Mutex, TimedMutex, Semaphores, and ThreadNotification.
Threading	pw_thread_zephyr	Thread creation, sleep, yield, and iteration utilities.
Asserts	pw_assert_zephyr	Routing and optional tokenization of assertions.
Logging	pw_log_zephyr	Plain and tokenized logging backend support.
Serial I/O	pw_sys_io_zephyr	Standard I/O operations routed to the console or USB subsystem.
SPI	pw_spi_zephyr	Native implementation of SPI interfaces.
Environment Setup	pw_env_setup_zephyr	CLI tools like pw west to integrate the development environment.

Note

The version of Zephyr bundled with pw package install zephyr is being migrated to v3.6 as we near the latest release.