FYI: just tried using the short xfer ioctl, but the behavior didn't change.
in = open (argv, O_RDONLY);
ioctl(in, USB_SET_RX_SHORT_XFER, 1);
n = read(in, buf, NBUF);
now trying libusb for this.
On Mon, Jul 12, 2010 at 10:41 PM, Peer Stritzinger <pee...@gmail.com> wrote:
> On Mon, Jul 12, 2010 at 8:20 PM, Hans Petter Selasky <hsela...@freebsd.org
> > wrote:
>> On Monday 12 July 2010 19:22:28 Peer Stritzinger wrote:
>> > However the read always returns 0.
>> > Tried different buffer sizes etc.
>> Maybe you are missing to set the short transfer OK flag.
>> Else I recommend using LibUSB.
> Did'nt set this flag (not doing any ioctls on the ugen device at all).
> However I did try matching either the max packetlen, or the read buffer
> size with the actual bytes sent, so I thought it shouldn't matter.
> I'll move on to libusb and not waste any more time with the raw interfaces.
> -- Peer
firstname.lastname@example.org mailing list
To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"