Backends

Operating system, RTOS, and bare-metal backends for Pigweed's OS abstraction layers

Zephyr

Modules, backends, and helpers for the Zephyr RTOS

Learn more: Zephyr

Name	Status	Description	Languages
pw_allocator_zephyr	stable
pw_assert_zephyr	stable
pw_chrono_zephyr	stable
pw_digital_io_zephyr	experimental		C++
pw_env_setup_zephyr	experimental	Zephyr utilities
pw_i2c_zephyr	experimental	Zephyr implementation for pw_i2c
pw_interrupt_zephyr	unstable
pw_log_zephyr	stable
pw_spi_zephyr	stable
pw_sync_zephyr	stable
pw_sys_io_zephyr	stable
pw_thread_zephyr	stable

Amazon FreeRTOS

Safe, non-overflowing OS abstractions & wrappers for FreeRTOS

Learn more: Amazon FreeRTOS

Name	Status	Description	Languages
pw_chrono_freertos	stable
pw_interrupt_freertos	experimental
pw_malloc_freertos	stable
pw_sync_freertos	stable
pw_thread_freertos	stable

Eclipse ThreadX

Thread-safe OS abstraction layers & backends for Azure RTOS ThreadX

Learn more: Eclipse ThreadX

Name	Status	Description	Languages
pw_chrono_threadx	stable
pw_sync_threadx	stable
pw_thread_threadx	stable

Segger embOS

RTOS abstraction layers & thread-safety integrations for SEGGER embOS

Learn more: Segger embOS

Name	Status	Description	Languages
pw_chrono_embos	stable
pw_sync_embos	stable
pw_thread_embos	stable

STL

C++ Standard Template Library backends for host and POSIX targets

Learn more: STL (Linux, MacOS, Windows, Fuchsia)

Name	Status	Description	Languages
pw_chrono_stl	stable
pw_sync_stl	stable
pw_thread_stl	stable

Bare metal

Backends for running directly on target hardware without an OS or scheduler

Learn more: Bare metal

Name	Status	Description	Languages
pw_sync_baremetal	stable

Android

Utilities and toolchains for using Pigweed on Android

Learn more: Android

Name	Status	Description	Languages
pw_android_toolchain	unstable	GN toolchains for the Android NDK	GN
pw_build_android	stable	Utilities for using Pigweed in Android platform	C++
pw_chre	experimental	Android Context Hub Runtime Environment backend	C++
pw_log_android	stable	Android logging backend	C++

Fuchsia

Backends and platform integrations for Fuchsia OS

Learn more: Fuchsia

Name	Status	Description	Languages
pw_assert_fuchsia	experimental	pw_assert backend for Fuchsia	C, C++
pw_async_fuchsia	experimental	Fuchsia backend for pw_async	C, C++
pw_log_fuchsia	experimental	Fuchsia logging backend	C, C++
pw_random_fuchsia	experimental	Fuchsia implementation of pw_random