this post was submitted on 14 May 2026
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Programmer Humor

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[–] SpaceNoodle@lemmy.world 13 points 2 months ago (1 children)

They ain't even, the host actually polls "interrupt" endpoints

[–] deadbeef79000@lemmy.nz 4 points 2 months ago (2 children)

Couldn't quite remember how it worked, just that USB didn't CPU interrupt:-)

[–] marcos@lemmy.world 10 points 2 months ago (2 children)

Modern CPUs can manage what interrupts them. Almost nothing actually does.

Computers have a CPU just to get in the way of things interrupting the main CPU.

[–] InternetCitizen2@lemmy.world 7 points 2 months ago

Modern CPUs can manage what interrupts them. Almost nothing actually does.

Based

[–] MonkderVierte@lemmy.zip 2 points 2 months ago (1 children)

You have a CPU? Well, i have a CPU in a CPU!

[–] SpaceNoodle@lemmy.world 6 points 2 months ago

If you want a USB host controller to interrupt your CPU, I can recommend some nice embedded SoCs