[Nut-upsuser] MGE ESV+ and Power Trim

[Arnaud Quette]

2017-03-12 4:02 GMT+01:00 Charles Lepple <clepple at gmail.com>:

> On Sat, Mar 11, 2017 at 7:15 PM, David Baker <david at baker.im> wrote:
> > Hi Arnaud & Charles,
> >
>

Hi Dave,

any news on your side from this venerable ESV+?

-- Arno

> You’ll have to forgive my low level of Linux Understanding here….
> >
> >
> >
> > I downloaded the source files, modified the appropriate driver file,
> > re-compiled it (all of this was a lot of research and learning!)
> >
> >
> >
> > When I use the new driver I get –
> >
> >
> >
> > Network UPS Tools - UPS driver controller 2.7.2
> >
> > Network UPS Tools - MGE UPS SYSTEMS/U-Talk driver 0.93 (2.7.4.1)
> >
> > Can't chdir to /var/state/ups: No such file or directory
> >
> > Driver failed to start (exit status=1)
>
> To match the Raspbian build, I think the configure parameters should
> look like this:
>
> ./configure --build=arm-linux-gnueabihf --prefix=
> --includedir=/usr/include \
>    --mandir=/usr/share/man --infodir="\${prefix}/share/info"
> --sysconfdir=/etc/nut \
>    --localstatedir=/var --libexecdir="\${prefix}/lib/nut"
> --enable-maintainer-mode \
>    --libdir=\${prefix}/lib/arm-linux-gnueabihf --with-ssl --with-nss
> --with-cgi --with-dev \
>    --enable-static --with-statepath=/var/run/nut
> --with-altpidpath=/var/run/nut \
>    --with-drvpath=/lib/nut --with-cgipath=/usr/lib/cgi-bin/nut \
>    --with-htmlpath=/usr/share/nut/www --with-pidpath=/var/run/nut
> --datadir=/usr/share/nut \
>    --with-pkgconfig-dir=/usr/lib/arm-linux-gnueabihf/pkgconfig \
>    --with-user=nut --with-group=nut --with-udev-dir=/lib/udev \
>    --with-systemdsystemunitdir=/lib/systemd/system
>
> Source: https://buildd.debian.org/status/fetch.php?pkg=nut&arch=
> armhf&ver=2.7.4-4&stamp=1475019180&raw=0
> (so if the paths are slightly different, it's because the log is from
> stock Debian vs. Raspbian)
>
> You might not need all of those options for just one driver, but it
> should save some trial-and-error to just copy-and-paste everything,
> then rebuild.
>
> > The new .h file reads as this –
> >
> >
> >
> > /* Output page */
> >
> >         { "output.voltage", 0, 0, "Lv", "%05.1f", VOLT, TRUE },
> >
> >         { "output.voltage.nominal", ST_FLAG_RW | ST_FLAG_STRING, 5, "Lv
> ?",
> > "%05.1f", VOLT, TRUE },
> >
> >         { "output.current", 0, 0, "Lc", "%05.1f", AMPERE, TRUE },
> >
> >
> >
> > If I copy the old driver back, it works fine – so I’m guessing I’ve got
> > something wrong with the compile or syntax!
>
> The .h file looks good, as far as I can tell.
>
> > Welcome your thoughts – the ESV22+ was a beast I came across which didn’t
> > work – I managed to pick up some replacement batteries and it’s now
> > protecting a load of audio and comms equipment in a charitable community
> > centre in Northern Romania!
>
> Always good to hear about equipment being saved from the dump, and put
> to good use!
>
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