Hi, On 2006-04-29 13:55, gerard klaver wrote: > I have a question about usb commands. > I have for example the following sequence: > > send urb 5, send urb 6, send/receive urb7, send/receive urb8, receive > urb 5, receive urb6 > > At this moment i don't know how te handle this. > send urb 5, 6 no problem, send/receive urb 7, 8 no problem, but how to > handle to receive urb 5 and 6?.
As far as I know, at least the stable libusb doesn't provide support for async io. Even if it did, I'm not sure if it would work with "Out-of-order" URBs. IIRC, this didn't work with SCSI either? Does your USB device really depend on this order? Bye, Henning
