Kernel developer write a USB driver in 3h for Apple Xserve front-panel [video]

I dreamed of that type of content since I’ve been a teenager. Thank you for sharing, it’s fantastic to see more and more programmers streaming themselves working on fairly advanced projects. That removes so much layers of magic and complexity once you can peek behind the curtain this way

I wrote a USB host driver for the STM32F4 a couple months ago, and the most difficult part was the lack of good documentation - the peripheral had r&#x2F;w registers mapped as read-only in the SVD, there was a bit you had to set that wasn&#x27;t mentioned in the documentation, and then the whole USB bulk-only-transport pointing to a non-existent SCSI spec. I ended up finding a blog post stating that you have to basically copy what Windows does in order for USB drives to work.<p>Luckily I had an oscilloscope that could decode USB frames to save me a whole bunch of time to understand why things weren&#x27;t working.<p>USB seems to depend on a whole lot of tribal knowledge, which makes it impressive that it is so ubiquitous and works out of the box for the most part.

I started contributing to a decompilation project and while I’m not the best decompiler by any stretch of the imagination I’ve thought about streaming while I’m working.<p>Is there interest in content like this? Are people curious about tells for when assembly is affected by variable sign, struct vs array access, the bonkers things even 30 year old compilers do with control structures, register reuse, etc. and how to coax code into byte equivalent assembly from classic consoles.

Making an OS and have thought about streaming my sessions a few times, maybe I&#x27;ll start doing that if this is indeed interesting to people.

The loud sound of fans whirring in the background is the perfect ambiance for this video!

The most interesting thing to me is that font for a terminal&#x2F;coding

...after numerous more hours of understanding how things work.<p>Not mentioned in this title is that this is a USB <i>device</i> driver, for a relatively simple device, with existing code available. This is essentially a code-to-code &quot;translation&quot; task. I can see how this looks very impressive, but IMHO it&#x27;s like watching anyone else skilled at their profession.

As much as I love this kind of video, a deep dive tutorial, &quot;from scratch&quot; is kind of a misnomer. &quot;From 10 years of experience doing exactly this&quot; doesn&#x27;t have the same ring

The USB spec is like, what, 500 pages? That is impressive.

Why is this a video?

Not sure why everyone is stuck on &quot;from scratch&quot; part. This is from scratch in all practical terms to me. They would be wasting their and viewer time if not done this way.

Not quite from scratch...

I wonder if this video is painful to watch for people who claim &quot;10x programmers are a myth!&quot;<p>As an eng manager who&#x27;s overseen teams at several top FAANGs, I can say without a doubt that most of those engineers would have taken 1-2 months to implement a driver.