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FreeRTOS Quick Start Guide
This page starts by describing how to get the RTOS running on your target as quickly as possible. Below that the "Next steps - further reading" section provides a set of links to enable you to further your knowledge, answer common questions, and become an expert FreeRTOS user.Also see the quick start video screen casts, the basic demo projects and application notes, the FreeRTOS books and for the best start possible - the FreeRTOS education kits. There is even a FreeRTOS Windows simulator to allow experimentation with FreeRTOS on a Windows host using free tools.
RTOS quick start instructions
FreeRTOS has been ported to many different architectures and compilers. Each RTOS port is accompanied by a pre-configured demo application to get you up and running quickly. Better still, each demo application is accompanied by a documentation page providing full information on locating the RTOS demo project source code, building the demo project, and configuring the target hardware.
To get up an running in minutes - follow these easy instructions:
- Locate the relevant documentation page:
Expand the "Supported Devices & Demos" menu item, then click the "Officially Supported Demos" link (see image on right) to view a list of microcontroller vendors that are supported by FreeRTOS. Clicking a microcontroller vendor name will take you to a list of documentation pages specific to that vendor.
Refer to the Modifying a demo application to run on different hardware page should a pre-configured port not be available for your development board.
- Obtaining the RTOS source code:
Download the FreeRTOS .zip file. This contains the RTOS kernel source code and demo projects for every official port. Unzip the files into a convenient directory.
- Building the project:
Follow the instruction on the RTOS port documentation page to locate the required project within the FreeRTOS directory structure, then open and build the demo project.
- Running the demo application:
Follow the instructions on the RTOS port documentation page to setup the target hardware, download and execute the demo application. The same documentation page will provide information on the functionality of the demo application so you know if it is executing correctly or not.
That is it!
Next steps - further reading
The simplest way to create your own FreeRTOS application is to base it on the demo application that is provided for your chosen port. Once you have the demo application
running, incrementally remove the demo functions and source files and replace them with your own application code.
Following are some shortcuts to valuable information for the serious developer:
- The FreeRTOS API reference is accessible through the API Reference menu. For example, the image on the right shows how to access documentation on all the FreeRTOS Task Control functions. A pdf Reference Manual is also available.
- Understanding the FreeRTOS directory structure.
- An introduction to the RTOS demo application projects.
- Modifying an RTOS demo application to run on different hardware.
- Understanding the FreeRTOS license.
- FAQ: My application does not run, what could be wrong?
- Obtaining free support.
- Obtaining commercial support and development services.
- Understanding the differences between 'Supported' and 'Contributed' RTOS ports.
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.