Re: Read from bulk end point

2011-06-27 Thread Hans Petter Selasky
On Monday 27 June 2011 13:14:55 Luca Pizzamiglio wrote: It was strange, because for other endpoints I don't see this kind of behavior. Hi, That is perhaps because they send less data than wMaxPacketSize. --HPS ___ freebsd-usb@freebsd.org mailing

Re: Read from bulk end point

2011-06-27 Thread Luca Pizzamiglio
Hi, the buffer size mitigates the pre-fetch, but could not remove it all... Setting 1 as buffer size, the pre-fetch is reduces as 3 wMaxPacketSize IN transaction on the bus, but could not avoid it. There is a way to disable pre-fetch features? Or better, HPS could you point me where is