2009/10/7 Charles Lepple <[email protected]> > [Let's move this over to the NUT-upsuser list, since we are not discussing > source code. (The post you quoted was from a time when usbhid-ups was still > under heavy development.) Thanks!] > Info: http://lists.alioth.debian.org/mailman/listinfo/nut-upsuser > > On Oct 6, 2009, at 9:22 AM, Zbigniew wrote: > > Hallo, >> >> Following the tips found at https://calomel.org/nut_ups.html I was trying >> to >> make NUT operate "APC Back UPS CS-350". The device introduces itself as: >> >> #v+ >> ugen0 at uhub0 port 1 "American Power Conversion Back-UPS CS 350 >> FW:807.q7.I >> USB FW:q7" rev 1.10/0.06 addr 2 >> #v- >> > > So far, so good - the kernel sees it as a ugen device (versus uhid), which > allows libusb to talk to it. > > My config: >> >> #v+ >> [apc] >> driver = usbhid-ups >> port = /dev/ugen0.00 >> pollfreq = 60 >> desc = "Back UPS CS-350" >> #v- >> >> >> Unfortunately, when I'm trying to start UPS driver, it's complaining: >> >> #v+ >> # usbhid-ups -a apc >> Network UPS Tools: 0.29 USB communication driver - core 0.33 (2.2.2) >> >> No matching HID UPS found >> #v- >> > > By default, running a driver as root will drop privileges to whatever user > you set in the ./configure script (default: nobody). > > This post reports success on FreeBSD by adding "-u root" to the command > line: > > > http://www.mail-archive.com/[email protected]/msg04850.html > > Not a good strategy for the long run, but it will let you see if things > work. > > This email talks about using devd on FreeBSD to change permission on all of > /dev/ugen[0-9]*: > > > http://lists.alioth.debian.org/pipermail/nut-upsuser/2008-August/004345.html > > I don't know if OpenBSD has something similar to devd, but the same > principles should apply - libusb probably needs permission to the base /dev > node for scanning the bus.
just to add my cents here: iirc, there was also a need to set privileges on the bus, and not only on the device... we will have to track this to complete the user manual. cheers, Arnaud -- 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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