GemAlarm@lemmy.world to Programmer Humor@programming.dev · 1 month agoImportant Messagelemmy.worldimagemessage-square81fedilinkarrow-up1903arrow-down117
arrow-up1886arrow-down1imageImportant Messagelemmy.worldGemAlarm@lemmy.world to Programmer Humor@programming.dev · 1 month agomessage-square81fedilink
minus-squareSpaceNoodle@lemmy.worldlinkfedilinkarrow-up23arrow-down1·1 month agoThey ain’t even, the host actually polls “interrupt” endpoints
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up4·1 month agoCouldn’t quite remember how it worked, just that USB didn’t CPU interrupt:-)
minus-squaremarcos@lemmy.worldlinkfedilinkarrow-up18·1 month agoModern 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.
minus-squareInternetCitizen2@lemmy.worldlinkfedilinkarrow-up11·1 month ago Modern CPUs can manage what interrupts them. Almost nothing actually does. Based
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up2·1 month agoI’m remembering from back in the ol’ single core days too. Where an interrupt was, well, an interrupt.
minus-squareMonkderVierte@lemmy.ziplinkfedilinkarrow-up2·1 month agoYou have a CPU? Well, i have a CPU in a CPU!
minus-squareSpaceNoodle@lemmy.worldlinkfedilinkarrow-up7·1 month agoIf you want a USB host controller to interrupt your CPU, I can recommend some nice embedded SoCs
They ain’t even, the host actually polls “interrupt” endpoints
Couldn’t quite remember how it worked, just that USB didn’t CPU interrupt:-)
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.
Based
I’m remembering from back in the ol’ single core days too. Where an interrupt was, well, an interrupt.
You have a CPU? Well, i have a CPU in a CPU!
Yo dawg
If you want a USB host controller to interrupt your CPU, I can recommend some nice embedded SoCs