[Nut-upsuser] Confusing Generic USB UPS cannot be matched
Arnaud Quette
aquette.dev at gmail.com
Tue Nov 22 08:51:38 UTC 2011
Hi Geoff,
2011/11/21 R. G. Newbury <newbury at mandamus.org>:
> I was dropping off junk at the waste transfer station and scarfed a UPS out
> of the pile of old TV's and VCR's. It was in good physical condition and as
> I expected, the battery was toast. A new RBC-2 battery restored it to
> working condition. Then I tried to get it to talk to some software. And I am
> having no luck.
>
> The unit is branded as a Nexxtech Model 6118507 650VA imported into Canada
> for Orbyx Electronics LLC. Nexxtech is a house brand for 'The Source'
> ex-Radio Shack in Canada.
> It has a red LCD display on the front and has the same physical layout as
> some of the smaller APC BackUPS and CyberPower units. However trying the
> powerpanel and APC specific drivers was fruitless.
> The unit is 6" high x 4" wide by 12" deep. It has 3 UPS outlets plus 3 surge
> protected outlets and a USB port.
>
> I am running Fedora 14 2.6.35.14-96.fc14.x86_64 with
> nut-2.6.2-1.fc14.x86_64.rpm from the Fedora repo
>
> I strongly suspect that this unit was made in China ( by MEC??) and branded
> in various different ways (the 'Fry's Electronics' report is a but of a
> giveaway! especially as there are no Fry's in Canada). A thread on this list
> from 2006 had the same reported data Vendor/Product id but a different
> branding. Unfortunately that thread had no resolution.
>
> Due to the fact that this unit does not seem to report itself correctly
> there is a possibility that it cannot be made 'intelligent'. But I'd like to
> try, first.
>
> I have installed nut and done the usual things. The unit is almost 'there',
> but not quite. I have trolled through the FAQ and the list but nothing
> (except that one thread) seem to deal with this.
>
> Details:
>
> dmesg
> [ 13.690421] usb 4-4: New USB device found, idVendor=0001, idProduct=0000
> #This is clearly bogus, and is what was reported in the 2006
> thread
> [ 13.690667] usb 4-4: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [ 13.690909] usb 4-4: Product: MEC0002
> [ 13.691164] usb 4-4: Manufacturer: MEC
> [ 13.722779] generic-usb 0003:0001:0000.0003: hiddev97,hidraw2: USB HID
> v1.00 Device [MEC MEC0002] on usb-0000:00:06.0-4/input0
>
>
> lsusb -vv
> # not much more info than dmesg, and it fails to discover the manufacturer!
>
> Bus 004 Device 002: ID 0001:0000 Fry's Electronics
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 1.00
> bDeviceClass 0 (Defined at Interface level)
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 8
> idVendor 0x0001 Fry's Electronics
> idProduct 0x0000
> bcdDevice 1.00
> iManufacturer 1
> iProduct 2
> iSerial 0
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 34
> bNumInterfaces 1
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0x80
> (Bus Powered)
> MaxPower 100mA
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 3 Human Interface Device
> bInterfaceSubClass 0 No Subclass
> bInterfaceProtocol 0 None
> iInterface 0
> HID Device Descriptor:
> bLength 9
> bDescriptorType 33
> bcdHID 1.00
> bCountryCode 0 Not supported
> bNumDescriptors 1
> bDescriptorType 34 Report
> wDescriptorLength 624
> Report Descriptors:
> ** UNAVAILABLE **
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Package Type Data
> wMaxPacketSize 0x0008 1x 8 bytes
> bInterval 10
> Device Status: 0x0000
> (Bus Powered)
>
>
> Check on the install by restarting the daemon:
> It's all down to the driver.
>
> # service ups restart
> Stopping UPS monitor: [ OK ]
> Stopping upsd: [ OK ]
> Shutting down UPS driver controller: [FAILED]
> Starting UPS driver controller: [FAILED]
> Starting upsd: [ OK ]
> Starting UPS monitor: [ OK ]
>
> Using usbhid-ups (tried others, without result)
>
>
> # cat ups.conf
> <snip>
> [nexxtech]
> driver = usbhid-ups
> vendorid = 0001
> productid = 0000
> port = /dev/bus/usb/004/004
> # port = AUTO #per the documentation these made
> # port = /dev/usb/hiddev0 # no difference
> desc = "Nexxtech UPS"
>
>
>
> Made sure the user/group settings are correct.
> # cat upsd.user
> <snip>
> [nut]
> password = nutpass
> upsmon master
>
> # cat upsmon.conf
> <snip>
> MONITOR nexxtech at localhost 1 nut nutpass master
> <snip>
>
>
> And this is what I get for my pains (same with user 'nut'):
>
> # usbhid-ups -DD -u root -x vendorid=0001 -a nexxtech
> Network UPS Tools - Generic HID driver 0.35 (2.6.2)
> USB communication driver 0.31
> 0.000000 debug level is '2'
> 0.001663 upsdrv_initups...
> 0.084295 Checking device (0001/0000) (004/004)
> 2.088358 - VendorID: 0001
> 2.088416 - ProductID: 0000
> 2.088442 - Manufacturer: unknown
> 2.088467 - Product: unknown
> 2.088491 - Serial Number: unknown
> 2.088516 - Bus: 004
> 2.088541 Trying to match device
> 2.088614 Device does not match - skipping
>
> I have NO idea why the Device does not match... but then I am not sure what
> is is attempting to match. The installation is fine: upsd reports
> periodically that it cannot communicate with the unit..
>
>
> So what is the driver trying to match against? And can I amend any settings
> to make it match? Can I provide any more info.
as per your info (VID:PID), your device is not HID compliant and the
driver should be blazer_usb.
"port = auto" is still needed, though you can put any value you want
(field not considered).
cheers,
Arnaud
--
Linux / Unix Expert R&D - Eaton - http://powerquality.eaton.com
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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