Author Archives: Wojciech Domski

SPL vs HAL: which one should you use


There is an unending dispute about which library should you use when writing an application for STM32 microcontroller. Actually, there are at least three choices which you should consider. In this post I will highlight the advantages and disadvantages of each approach which can be considered when writing software for ST microcontrollers.

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A small operating system

There are many operating systems: Linux, Windows, iOS,… But there are a few which can work in real time like Linux Xenomai. However, there are very little which can fit a microcontroller. One of them is a FreeRTOS. There are some variations of the FreeRTOS which can handle different conditions and requirements.
This blog post is not about such operating system, however…

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