Articles by Holger Assmann
Modern software development is commonly accompanied by a version control system like Git in order to have changes to the source code being documented in a traceable manner. Furthermore, any version state should be easily reproducible at any time. However, for work on complex projects such as the BSP ("Board Support Package") of an embedded system with its multiple development aspects, the simple stacking of the individual changes on top of each other does not scale.
Nowadays, even small and cheap microcontrollers offer enough calculation power to perform time critical tasks within an industrial environment. However, as soon as actors and sensors are spread over an entire facility and are to be connected over Ethernet, the actual moment when a data packet will get processed becomes very hard to predict. At this point, Linux running a Preempt RT Kernel altogether with a network featuring Time Sensitive Networking (TSN) capabilities can help.
With the outside world getting colder and the days becoming shorter, we at Pengutronix decided to bring a bit of light in these dark days of the year.