[Nut-upsdev] Adding drivers to NUT?

[Gabriele TAORMINA]

Dear Daniele,


I'm trying to create a subdriver for 'nutdrv_qx' instead of modifying the Blazer as you suggested, but i honestly don't understand how to integrate usb-serial devices (some of our UPSs have USB but serial protocol Q1). i understand the serial version but not the USB one.

i also checked the "Claim" function, but i can't see drivers that uses the VID and PID to match the device (for nutdrv_qx).

if you have the name of a usb driver for nutdrv_qx could be really helpful and i will study on top of it, otherwise if you have any docs regarding this please send me the link!

I also checked the nutdrv_qx.c and i found "Krauler subdriver", but i'm not sure how it works.

thanks in advance,

Best Regards,


Gabriele Taormina



________________________________
Da: Daniele Pezzini <hyouko at gmail.com>
Inviato: giovedì 12 luglio 2018 02:20
A: Gabriele TAORMINA
Cc: nut-upsdev at alioth-lists.debian.net; Thierry DESTRUEL; Stefano PONGILUPPI
Oggetto: Re: [Nut-upsdev] Adding drivers to NUT?

> - I can send you the whole sources for our UPSs, do you need only Headers
> and C files or also other files (i suppose Driver list)?

If you can't generate a patch yourself (either `diff -u` or `git
format-patch`, well probably even `git diff`, will do), send any file
you've touched and tell us from what you started.

> - Seen that we had some problems with the Blazer driver (the battery voltage
> calculation were not correct for our UPSs) we copied it and modified a bit
> while changing the name, is this possible or it's  a problem for devs?

Generally speaking, it's not a problem, as long as copyright and
license are respected -- it's more a question of opportunity, then: is
it worth creating a new driver if the changes are not big?
Since you mention the blazer drivers, if your devices use a Q1-like
protocol that is not already supported by the nutdrv_qx driver, if
feasible, you should add a subdriver to it (or modify an existing
one), rather than creating a new driver. See:
https://networkupstools.org/docs/developer-guide.chunked/ar01s04.html#nutdrv_qx-subdrivers

> We have no problems to send you protocols of our UPSs.

Good to hear. If you send this first, we can decide together what's
the best solution.

________________________________

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