On Feb 19, 2015, at 8:43 AM, Rob Groner <[email protected]> wrote:
> I looked at the file and saw how it was laid out...basically an ATTR for
> every known USB UPS. Well, since mine is not a known UPS, I had to add my
> own entry.
If you want, once things are working, we can add an entry to that table (via
drivers/usbhid-ups.c, which gets parsed into the udev script)
> So I added a similar entry to all the others, but putting in my USB vendor
> and product IDs and setting GROUP="nut" (like all the other entries do).
>
> ATTR{idVendor}=="04d8", ATTR{idProduct}=="005c", MODE="664", GROUP="nut"
>
You might need to tell udev to reload, although newer versions seem to re-read
the rules files automatically.
Also, I think there is a debug mode for udev that will show what is being
parsed when.
> But so far as I can tell, when I plug in the USB cable from the UPS...it is
> still not setting it to nut group permissions. I am looking at the file in
> /dev/usb/hid/hiddev0 (which goes away when I unplug the UPS). Either way,
> upsdrvctrl still won't start unless I add "-u root".
/dev/bus/usb/*/* is the place to look (the hiddev* nodes are not used by
libusb). Once the permissions there look correct, can you post the output of
running the driver directly with -D?
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