Tom Schouten wrote:
Yes I understand USB is polled.
Good, except..
Though there's a difference between polling by the usb controller and polling at the software level
..no, not really.
meaning having to send multiple control requests until there is data ready vs just waiting until there is data on an IN endpoint.
The difference is actually very small, but of course it is more convenient to have a dedicated endpoint. I guess the point is that there isn't one.
//Peter