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Contact

The FreeRTOS.org project can be contacted by emailing Richard Barry - "r.barry AT FreeRTOS.org". Please note that support requests should not be sent to this email address unless the sender has a valid support contract. Users wishing to obtain free support are requested to make use of the FreeRTOS.org support forum - which is specifically provided for this purpose.


Mailing List

You can be kept up to date with any bug fixes or enhancements by sending an email to "list AT FreeRTOS.org" with subject "ADD" - note that the subject must be "ADD", otherwise the email will be discarded. Emails are infrequent and kept brief. For active community support use the forum.


Support

Both free and paid support options are available.


Free support

The FreeRTOS forum is available for unpaid support.


Instant support via Skype

NEW: The Skype prime service allows you to talk directly to the engineers. A Skype account is required to access this service.


Commercial support contracts

Our partnering agreement with WITTENSTEIN high integrity systems enables us to undertake consultancy, training and development contracts of any size and at many levels of process formality. See the Services section of this site for more information.


FreeRTOS FAQ Contents

What are the differences between FreeRTOS.org, OpenRTOS and SafeRTOS?
My application does not run, what could be wrong?
What Is This All About?
 What is a Real Time Operating System (RTOS)?
What is a Real Time Kernel?
What is a Real Time Scheduler?
How do I use FreeRTOS?
How do I get started?
Why use an RTOS?

Ports
 Will FreeRTOS run under Windows?
Is there an ARM port?
Is there a ColdFire port?
Are the XXX development tools supported?
How do I create a new port?

Memory Management and Use
 How much RAM does FreeRTOS use?
Why do queues use that much RAM?
How much ROM does FreeRTOS use?
How can I reduce the amount of RAM used?
How is RAM allocated to tasks?
How is RAM allocated to queues?
How big should a task stack be?

Tick and Idle Hooks
 Can I add code to the idle task?
Is there an Idle hook?
Is there a tick or context switch hook?

Licensing
 Can I use FreeRTOS in a commercial project?
Do I have to give away my application source code if I use FreeRTOS?

Scheduling
 How are tasks of equal priority scheduled?
How are tasks that share the idle priority scheduled?

ISR's
 Can a context switch occur within an ISR?
How do I write an RTOS safe ISR?
Can interrupts be nested?




Copyright (C) 2003 - 2008 Richard Barry
Any and all data, files, source code, html content and documentation included in the FreeRTOS distribution or available on this site are the exclusive property of Richard Barry. See the files license.txt (included in the distribution) and this copyright notice for more information. FreeRTOSTM and FreeRTOS.orgTM are trade marks of Richard Barry.