Date: Mon, 4 Oct 2010 13:08:28 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: ed@freebsd.org, Ruslan Bukin <br@bsdpad.com> Subject: Re: /dev/ttyU0 - block at open Message-ID: <201010041308.28424.hselasky@c2i.net> In-Reply-To: <20101004100641.GA3403@bsdjail.com> References: <20101004100641.GA3403@bsdjail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi, This is not directly related to USB, but rather TTY. Ed, any clues? --HPS On Monday 04 October 2010 12:06:41 Ruslan Bukin wrote: > Hi! > > I am using u3g driver for Gobi 2000 QDL device. > The open ("/dev/ttyU0", O_RDWR) does not return anything, > But it returns immediately with only O_NONBLOCK or O_NDELAY flags. > > is it normal behavior or not? > > The device is answering for commands normally in non-block state, > but only returns error when I try to write firmware to it. > > I think may be the problem is in block/non-block modes. > > Thanks > > -Ruslan > _______________________________________________ > freebsd-usb@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-usb > To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201010041308.28424.hselasky>