GemAlarm@lemmy.world to Programmer Humor@programming.dev · 3 months agoImportant Messagelemmy.worldimagemessage-square27linkfedilinkarrow-up13arrow-down10
arrow-up13arrow-down1imageImportant Messagelemmy.worldGemAlarm@lemmy.world to Programmer Humor@programming.dev · 3 months agomessage-square27linkfedilink
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up1·3 months agoUSB keyboards yelling into the void in the background hoping to be noticed.
minus-squareSpaceNoodle@lemmy.worldlinkfedilinkarrow-up1·3 months agoThey ain’t even, the host actually polls “interrupt” endpoints
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up1·3 months agoCouldn’t quite remember how it worked, just that USB didn’t CPU interrupt:-)
minus-squaremarcos@lemmy.worldlinkfedilinkarrow-up1·3 months 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-up1·3 months ago Modern CPUs can manage what interrupts them. Almost nothing actually does. Based
USB keyboards yelling into the void in the background hoping to be noticed.
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