KERNEL

WHAT'S NEW

FreeRTOS website now available in Simplified Chinese

Search and browse content in your preferred language. See the blog post.

New FreeRTOS Long Term Support version now available.

Receive security patches and critical bug fixes on FreeRTOS libraries for two years. See the blog post.

FreeRTOS Extended Maintenance Program (EMP) registration now open.

Providing security patches and critical bug fixes on FreeRTOS Long Term Support (LTS) versions for up to 10 additional years. See the blog post.

FreeRTOS-Plus-TCP v3.0.0 released:

We've added comprehensive unit tests and penetration and protocol testing. See the blog post.

Featured FreeRTOS IoT Integrations:

Introducing three featured integrations for more secure IoT applications. See the blog post.

RTOS Context Switch - Step 1
[Detailed Example]

Prior to the RTOS tick interrupt

This example starts with TaskA executing. TaskB has previously been suspended so its context has already been stored on the TaskB stack.

TaskA has the context demonstrated by the diagram below.

The (A) label within each register shows that the register contains the correct value for the context of task A.