[Nut-upsuser] Gentoo Ultra USB UPS

[Barry Fawthrop]

Hi Jonathan

OK Powercom will not release the HID usage table
Not sure if someone else can try they were very unhelpful when I called

So I guess I'll have to write from scratch

Thanks
Barry

Jonathan Dion wrote:
> Hi Barry
>
> On 8/2/06, Barry Fawthrop <barry at ttienterprises.org> wrote:
>> Hi Jonathan
>> I will try all options
>> Where do I find a current subdriver to use as a template / example and
>> then how would I "attach" it so that NUT can use it ?
>>
>> I'm willing to do all I can for the NUT community
>> what everI get I'll share
>>
>
> Nice answer ! Way to go, man ^_^
>
> The better is that you read
> http://svn.debian.org/wsvn/nut/trunk/docs/hid-subdrivers.txt?op=file&rev=0&sc=0, 
>
> especially the last part, "writing a subdriver"
>
> About your sentence : "what ever I get I'll share", take care. I you
> get something from PowerCom, be sure that you have the right to share
> it.
> NUT will refuse anything that is not legal.
>
>
> For a new subdriver, there is hum... three main things
>
> - The usage table : convert hardware path like 00020010 into name
>  (that is what you need from PowerCom, or else what one'll have to
> create by reverse engineering)
>
> - The hid2nut table : convert the name in the usage table into
> internal NUT namming scheme. That is say to nut that to access to its
> battery.charge, NUT should use UPS.BatteryCurrentCharge for instance,
> where UPS.BatteryCurrentCharge is either defined in the standard of
> HID Power Device Class or in the usage table of the subdriver. Once
> the usage table is made, it is easy to make.
>
> - The shutdown function. How to order the UPS to shutdown. Here too,
> let's hope PowerCom will provide us with information about it, or
> else, hard reverse engineering needed to find that ...
>
> There are some others little things, but that is the three main
> things. Look at the code of *-hid.c/h in the driver directory to have
> sample.
>
>> I do know this
>> the UPS constantly gives the following
>> (1) Input Voltage     120
>> (2) Output Voltage   120
>> (3) Input Hertz          60
>> (4) Output Hertz        60
>> (5) Battery %          should be 100
>> (6) Current Load     not sure about 23 %
>>
>
> I hope we won't need to know that your current load is about 23%
> because PowerCom will be kind enough to give us the information we
> need. Else, you or someone that have the same UPS than you would have
> some hard time to make the usage table ;-)
>
>> Thanks for all you help
>>
>
> My pleasure.
>
> Whatever is the case, Nut will do its best to help you. We hope we'll
> soon have a new subdriver ^_^
>
>> Yours
>> Barry
>
> Cheer,
>
> Jonathan Dion
>
>
>