[Nut-upsdev] ups_set_altinterface() breaks tripplite_usb on Mac OS X

Arnaud Quette aquette.dev at gmail.com
Fri Sep 4 16:49:59 UTC 2009

2009/9/3 Charles Lepple <clepple at gmail.com>

> On Sep 3, 2009, at 9:22 AM, Arnaud Quette wrote:
>  The codeless kext stuff is not too complicated - we could probably
>> generate them the same way as the udev configuration files. The only
>> trick is that the USB VID, PID, bConfigurationValue, bInterfaceNumber
>> and bcdDevice values need to be included, in decimal (and the latter
>> probably needs to be extracted from lsusb output that users have
>> posted to the mailing lists).
>> isn't there some joker for the b* (like "*" meaning any value)?
> I'll have to check, but see below.
>  having the option to match so specifically is nice, but I find strange to
>> be forced to do that!
> The problem is that you have to be more specific than the general HID class
> drivers. There is a "matching score" that the codeless kext has to beat in
> order to allow libusb to claim the device/interface. Wildcards do not
> increase the score as much as specific values.

yup, but do you think there will be other higher values (ie that matches
better than nut)?

> Now, if we were using a cross-platform HID library... but I digress :-)


Linux / Unix Expert R&D - Eaton - http://www.eaton.com/mgeops
Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
Debian Developer - http://www.debian.org
Free Software Developer - http://arnaud.quette.free.fr/
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