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FreeRTOS 202107.00 Release
Now includes the SNTP library for time information in IoT applications.
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FreeRTOS AWS Reference Integrations
The latest AWS reference integration projects are now available for download, and use FreeRTOS LTS libraries.
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Introducing the FreeRTOS Symmetric Multiprocessing (SMP) Github Branch
Read about our latest SMP developments
What's New
Embedded World 2021 Video
Watch Richard Barry's conference talk on future proofing MCU devices
Watch on YouTube
FreeRTOS SESIP Security Certification
Read about why security certification matters and how FreeRTOS achieved SESIP level #2
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FreeRTOS™
Real-time operating system for microcontrollers
Developed in partnership with the world’s leading chip companies over a 15-year period, and now downloaded every 170 seconds, FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of IoT libraries suitable for use across all industry sectors. FreeRTOS is built with an emphasis on reliability and ease of use.
Why FreeRTOS?
Trusted kernel
With proven robustness, tiny footprint, and wide device support, the FreeRTOS kernel is trusted by world-leading companies as the de facto standard for microcontrollers and small microprocessors.
Accelerate time to market
With detailed pre-configured demos and Internet of Things (IoT) reference integrations, there is no need to determine how to setup a project. Quickly download, compile, and get to market faster.
Broad ecosystem support
Our partner ecosystem provides a breadth of options including community contributions, professional support, as well as integrated IDE and productivity tools. Predictability of long term support
FreeRTOS offers feature stability with long term support (LTS) releases. FreeRTOS LTS libraries come with security updates and critical bug fixes for two years. Maintained by AWS for the benefit of the FreeRTOS community.
Features
Tiny, power-saving kernel
Scalable size, with usable program memory footprint as low as 9KB. Some architectures include a tick-less power saving mode
Support for 40+ architectures
One code base for 40+ MCU architectures and 15+ toolchains, including the latest RISC-V and ARMv8-M (Arm Cortex-M33) microcontrollers
Modular libraries
A growing number of add-on libraries used across all industry sectors, including secure local or cloud connectivity
AWS Reference Integrations
Take advantage of tested examples that include all the libraries essential to securely connect to the cloud
Latest posts
- FreeRTOS LTS libraries are now included in our partner toolchains
In December 2020 we introduced the first FreeRTOS Long Term Support (LTS) version. With the LTS version, developers can rely on a FreeRTOS version that provides feature stability, and security patches and critical bug fixes for two years from the release date. Response from our partners was strong, and they are integrating the LTS version […] Read more… - FreeRTOS adds reference implementations for symmetric multiprocessing (SMP)
Earlier this year, we introduced the FreeRTOS Symmetric Multiprocessing GitHub branch for multi-core microcontrollers. We are excited to share that we now have reference implementations on two platforms - xcore from XMOS and Raspberry Pi Pico. With FreeRTOS SMP, developers can use the SMP capabilities of multi-core microcontrollers to design applications. Multi-core microcontrollers, in which […] Read more… - FreeRTOS 202107.00 now includes the SNTP library for time information in IoT applications
FreeRTOS 202107.00 now includes the Simple Network Time Protocol (SNTP) client library to make it easier for developers to add support for time information in their FreeRTOS-based IoT applications. The SNTP client library, named coreSNTP, is used to synchronize clocks between a device and the cloud. You can use coreSNTP in IoT applications where devices […] Read more… - FreeRTOS AWS reference integrations now include FreeRTOS 202012.01 LTS libraries
FreeRTOS AWS reference integrations are pre-integrated FreeRTOS projects ported to microcontroller-based evaluation boards that demonstrate end-to-end connectivity to AWS IoT Core. This helps developers save months of development effort and accelerate time to market. FreeRTOS AWS reference integrations now include the new managed AWS IoT Over-the-Air (OTA) update library, AWS IoT Jobs library, the AWS […] Read more…
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