Latest News Items: Crowd funded project makes VPN in a box (using FreeRTOS) for one click peer to peer access to your home network
 Real time embedded FreeRTOS RSS feed 
Real time embedded FreeRTOS mailing list 
Quick Start Supported MCUs Books & Kits Visualisation Ecosystem Training Contact & Support




Last site update Jan 14 2014

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.

AtoB1.gif

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



Next: RTOS Implementation - Detailed Example Step 2


[ Back to the top ]    [ About FreeRTOS ]    [ Sitemap ]    [ ]




Copyright (C) 2004-2010 Richard Barry. Copyright (C) 2010-2013 Real Time Engineers Ltd.
Any and all data, files, source code, html content and documentation included in the FreeRTOSTM distribution or available on this site are the exclusive property of Real Time Engineers Ltd.. See the files license.txt (included in the distribution) and this copyright notice for more information. FreeRTOSTM and FreeRTOS.orgTM are trade marks of Real Time Engineers Ltd.