Date: Wed, 6 Oct 2004 09:48:49 -0400 From: Mathew Kanner <mat@cnd.mcgill.ca> To: Niki Denev <nike_d@cytexbg.com> Cc: hackers@freebsd.org Subject: Re: attaching ugen(4) on multi interface USB devices Message-ID: <20041006134849.GA87467@cnd.mcgill.ca> In-Reply-To: <cone.1097065805.20394.26649.1001@niked.office.suresupport.com> References: <cone.1097065805.20394.26649.1001@niked.office.suresupport.com>
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On Oct 06, Niki Denev wrote: > The last 1-2 days i've been trying to make some userspace OBEX utilities to > work with a USB based Nokia GSM phone and doing this i discovered something > that confuses me a little: > The phone in question is Nokia 6230 and it has an USB interface. > The phone has 11 interface descriptors, > 2 of them are used for the Modem and CM over data. > Judging from the windows drivers it seems that four of the other interfaces > are OBEX compatible. > But if i kldload umodem and plug the phone it detects only one ucom(4). > and if i plug the phone without any u* modules loaded the kernel attaches > ugen0 only. > >From what i understand it attaches the ugen0 using the info in the first > interface descriptor in the device. > Wouldn't it be more usefull for the kernel to attach ugen for every unknown > interface in a device. > For example when attaching the phone with umodem loaded, i will get > the ucom(4) device and the other unrecognised interfaces will show up as > ugens ? > What do you think about that? > > > P.S.: anyone know some good way to list the attached usb devices beyond > usbdevs? > It seems that the information that can be gathered from usbdevs is very > limited. For example 'lsusb' in linux can show much more info. What do you > think about that too? > > > Thanks in advance for any info and/or flames :) I seem to recall a problem with ugen that it doesn't discover endpoints on alt-interfaces. I've posted patches to this mailing list to work around the problem. --Mat -- Canada is a country whose main exports are hockey players and cold fronts. Our main imports are baseball players and acid rain. - Pierre Elliott Trudeau
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