Am Dienstag, den 07.02.2017, 19:01 +0100 schrieb John Skelton: > I'm open to any suggestions. As I see it the above code is probably > wrong > in trying to use a low speed Bulk endpoint. The low performance of > cheap > Arduinos and digistump etc (with no hardware USB) is not going to > allow > anything but low speed (via software), however. The usual work around for this issue is to treat them as interrupt endpoints on the host side. That won work for XHCI though. HTH Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html