16 Mar
2015
16 Mar
'15
1:53 p.m.
On Mon, 2015-03-16 at 14:32 +0100, svante karlsson wrote:
I'm still curious as to why we would get an interrupt because state changes on IO pins (but that has nothing to do with boost). But as I said I have been to busy the last week to try it out on a raspberry.
It's hardware-specific. Some (not all) processors have GPIO pins that double as interrupt pins. If the processor supports it (Raspberry Pi's BCM2835/2836 does) and it's implemented in the kernel, then you can wait on interrupts in userspace, like we're doing here. Kyle