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Manually implementation of FreeRTOS on FRDM-KL25Z

Question asked by Thomas Kristlbauer on Jan 25, 2017
Latest reply on Jan 25, 2017 by Richard Barry



I would like to implement FreeRTOS on the board FRDM-KL25Z. However, without using the RTOS from the SDK or the processor Expert. I would like to create a new project using SDK so I do not have to worry about the drivers anymore. Then the latest version, which is available for download at, can be entered manually into the project.


I have so far proceeded as follows:

  1. Create a new project using SDK and the included FreeRTOS (so I have the folder structure in mind)
  2. Create new project with SDK without FreeRTOS but with the drivers for the board.
  3. Replication of the folder structure from point 1
  4. Insert the FreeRTOS files into the corresponding folders

However, I get a lot of error messages like Missing libraries. If I fix an error, the next one arises. Is there an instruction, which describes the best approach? Or is my approach completely wrong?