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Creating a VGA Signal in Hubris


while ago I got a ST Nucleo-H753ZI evaluation board because I wanted to try out Hubris, Oxide's embedded operating system. After getting the basic demo app with the blinking lights running I set it aside for a lack of an idea what to do with it.

Instead it uses the timer feature of the kernel, which makes a lot of sense for a Hubris demo, but we want to involve the CPU as minimally as possible for generating the signal. The first thing I sort of used for some guidance was this site where someone had done a similar project: https://www.programmerall.com/article/26476558/ That was pretty useful for the wiring itself and a basic understanding of how the signal works. Since it was very clear at this point that we weren't goint to do high speed GPIO toggling on the CPU we could actually re-introduce the sys task.

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