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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 5
[Detailed Example]

The TaskB stack pointer is retrieved

AtoB4.gif

The TaskB context must be restored. The first thing RTOS macro portRESTORE_CONTEXT does is retrieve the TaskB stack pointer from the copy taken when TaskB was suspended. The TaskB stack pointer is loaded into the processor stack pointer, so now the AVR stack points to the top of the TaskB context.



Next: RTOS Implementation - Detailed Example Step 6


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