3 ms·
I don't see how SPI would introduce latency, quite the opposite. SPI is a super simple bus, you write bytes and get bytes in return - do that in response to an
by pantalaimon 4y ago
I don't see how SPI would introduce latency, quite the opposite.
SPI is a super simple bus, you write bytes and get bytes in return - do that in response to an interrupt generated via a separate interrupt line and you can't get any less latency than that.
- foxhill 4y agoah, i didn't mean to suggest that SPI is adding additional latency (i'd have bet the opposite), i'm pretty confident it's everywhere else in the stack causing it.