[Nut-upsuser] can't find UPS on openwrt/arm

Matus UHLAR - fantomas uhlar at fantomas.sk
Mon Apr 8 09:05:31 UTC 2013

>>> On Apr 5, 2013, at 3:04 AM, Matus UHLAR - fantomas wrote:
>>>> libusb: 0.000000 error [get_config_descriptor] short output read 0/8

>> On 05.04.13 20:39, Charles Lepple wrote:
>>> Reading the config descriptor is a pretty basic operation. What does "lsusb
>>> -vvv -d 0463:ffff" return?

>On Apr 6, 2013, at 10:08 AM, Matus UHLAR - fantomas wrote:
>> too much of output to send here:
>> http://test.fantomas.sk/tplink2543nd_lsusb-vvv-d_0463:ffff

On 06.04.13 10:20, Charles Lepple wrote:
>Hmm, perhaps Arnaud can ask someone what the other five configurations are:
>  idVendor           0x0463 MGE UPS Systems
>  idProduct          0xffff UPS
>  bcdDevice            1.00
>  iManufacturer           1 EATON
>  iProduct                2 Protection Station
>  iSerial                 4 AN2E49008
>  bNumConfigurations      6
>Is there any way you can build against the real libusb-0.1, versus the
> compatibility layer from 1.0?  They may have different error checking
> strategies when reading descriptors.

I don't think I can build it anywhere now (no experience with
cross-compiling on different architecture), but I can try looking at it on
my QNAP NAS and linux PC.

...it seems that openwrt uses libusbx fork, version 1.0.9 and there's 1.0.12
available with some changes to related code...
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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On the other hand, you have different fingers. 

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