GemAlarm@lemmy.world to Programmer Humor@programming.dev · 7 days agoImportant Messagelemmy.worldimagemessage-square81linkfedilinkarrow-up1899arrow-down117
arrow-up1882arrow-down1imageImportant Messagelemmy.worldGemAlarm@lemmy.world to Programmer Humor@programming.dev · 7 days agomessage-square81linkfedilink
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up41arrow-down1·7 days agoUSB keyboards yelling into the void in the background hoping to be noticed.
minus-squareSpaceNoodle@lemmy.worldlinkfedilinkarrow-up22arrow-down1·7 days agoThey ain’t even, the host actually polls “interrupt” endpoints
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up4·7 days agoCouldn’t quite remember how it worked, just that USB didn’t CPU interrupt:-)
minus-squaremarcos@lemmy.worldlinkfedilinkarrow-up18·7 days 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-squareMonkderVierte@lemmy.ziplinkfedilinkarrow-up2·7 days agoYou have a CPU? Well, i have a CPU in a CPU!
minus-squareInternetCitizen2@lemmy.worldlinkfedilinkarrow-up10·7 days ago Modern CPUs can manage what interrupts them. Almost nothing actually does. Based
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up2·7 days agoI’m remembering from back in the ol’ single core days too. Where an interrupt was, well, an interrupt.
minus-squareSpaceNoodle@lemmy.worldlinkfedilinkarrow-up7·7 days agoIf you want a USB host controller to interrupt your CPU, I can recommend some nice embedded SoCs
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.
You have a CPU? Well, i have a CPU in a CPU!
Yo dawg
Based
I’m remembering from back in the ol’ single core days too. Where an interrupt was, well, an interrupt.
If you want a USB host controller to interrupt your CPU, I can recommend some nice embedded SoCs