[Nut-upsdev] [Nut-upsuser] Mustek PowerMust 848

[Charles Lepple]

On Sun, Dec 7, 2008 at 10:00 AM, Arjen de Korte <nut+devel at de-korte.org> wrote:
> Citeren Adrian Czerniak <adrian.czerniak at becomo.com>:
>
>>> 1) The UPS is implementing a *very* old version of the Megatec
>>> protocol and uses the 'D' command to query for status information
>>>
>>> (this was obsolete back in 1996 already). Please try if changing
>>> line  426 from
>>>
>>>      ser_send_pace(upsfd, SEND_PACE, "Q1%c", ENDCHAR);
>>> to
>>>      ser_send_pace(upsfd, SEND_PACE, "D%c", ENDCHAR);
>>>
>>> will get us an answer from the UPS. Most likely, we won't be able to
>>>  parse the reply, but for the moment we just want it to talk to us.
>>> Make sure you run it in -DDDDD debug mode.
>>>
>>> 2) It doesn't use the Megatec protocol. In that case, you'll have to
>>>  use 'usbsnoop' (search Google) while running it with the (bundled?)
>>>  Windows software to see if we can figure out if this is a familiar
>>> protocol or that we need something completely new.
>>>
>>> In any case, we'll take this to the development mailinglist. Please
>>> answer there.
>>
>> Unfortunately, suggested change in source code doen't seem to fix anything:
>
> [...]
>
> And what about suggestion #2? I'm starting to doubt that this device
> speaks Megatec...

Arjen,

shouldn't the log have references to the D command instead of Q1?

-- 
- Charles Lepple