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#apertus IRC Channel Logs

2017/08/14

Timezone: UTC


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illwieckz
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04:35
Bertl
off to bed now ... have a good one everyone!
04:35
Bertl
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se6astian|away
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06:28
se6astian
mithro: thanks!
07:03
niculescu_vlad|a
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niculescu_vlad
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niculescu_vlad|a
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niculescu_vlad
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se6astian
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se6astian|away
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09:44
se6astian
good to smell the electronics air in the assembly office again :)
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niculescu_vlad|a
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niculescu_vlad
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Bertl_zZ
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13:17
Bertl
morning folks!
13:17
mgielda
morn
13:18
mgielda
or aftn'
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se6astian
hello!
13:31
Bertl
hey mgielda! what's new and exciting on your end?
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niculescu_vlad|a
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BAndiT1983|away
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davidak
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16:48
se6astian
meeting in 12 minutes
16:49
davidak
welcome back se6astian!
16:51
se6astian
thanks :)
16:53
se6astian
jarhab[m]: do you get my pms
16:53
se6astian
I get a notice back saying "486: You must log in with services to message this user"
17:03
se6astian
IRC meeting time!
17:03
se6astian
welcome everyone
17:04
se6astian
please again pm me now if you have something to report and I will create a speaking order
17:04
se6astian
I expect the meeting to be short today though
17:06
se6astian
niculescu_vlad: please go ahead with your progress report
17:06
niculescu_vlad
ok
17:06
niculescu_vlad
So, since last meeting I emphasized on the control algorithm
17:07
niculescu_vlad
I implemented a fractional divider to adjust the switching frequency
17:07
niculescu_vlad
I implemented a digital filter for the comparator's output
17:07
niculescu_vlad
I modified the USB bridge to allow me to adjust those parameters through serial console
17:08
niculescu_vlad
And did a lot of measurements. Finally the converter works very good, and it has also good ripple. It is below 100mV even for 2A load.
17:09
niculescu_vlad
I talked to Bertl and he suggested to add an additional LC filter, which perhaps will decrease the ripple below 50mA for 2A
17:09
niculescu_vlad
that's from my side
17:10
Bertl
good work!
17:12
se6astian
thanks for the report, sounds good
17:12
se6astian
with the end of gsoc approaching please also reserve time to create documentation material for an article
17:12
se6astian
measurement curves
17:12
se6astian
diagrams, etc.
17:13
niculescu_vlad
which is the deadline for those?
17:13
niculescu_vlad
Aug 21 or 29?
17:13
Bertl
and not to forget, clean up the code, make sure the licenses and copyrights are all in place, etc
17:13
se6astian
let me check the official gsoc timeline
17:13
Bertl
note that we will also need a little time to evaluate the material
17:14
se6astian
August 29 is the final deadline
17:14
se6astian
then the evaluation starts
17:14
niculescu_vlad
great!
17:14
se6astian
https://developers.google.com/open-source/gsoc/timeline
17:14
se6astian
I would like to publish an article on apertus.org that outlines your work in a way that anyone can understand it
17:14
se6astian
but then also add more indepth tech details with results
17:15
se6astian
like curves that show ripple, etc.
17:15
niculescu_vlad
of course I will
17:16
niculescu_vlad
I didn't do it yes, because those charts should come f rom the final version
17:16
niculescu_vlad
should it be like a pdf?
17:17
niculescu_vlad
explaining the purpose, difficulties encountered and steps I went through?
17:17
jarhab[m]
se6astian: sadly not :(
17:17
jarhab[m]
but i pmed you...
17:17
niculescu_vlad
me?
17:18
se6astian
no pdf please
17:18
jarhab[m]
no, se6astian
17:18
se6astian
individual images would be best
17:18
se6astian
pngs prefered
17:18
niculescu_vlad
ok, great
17:18
se6astian
the rest can be just text, I will do the website article layout
17:19
niculescu_vlad
I will do this within a week
17:19
se6astian
thanks
17:19
Bertl
all graphs, plots and visual stuff should be scaleable and where possible reproduceable
17:19
niculescu_vlad
ok
17:20
se6astian
jarhab[m]: seems direct messaging with your irc client isnt really possible
17:20
se6astian
what client are you using?
17:21
jarhab[m]
riot (via matrix)
17:21
jarhab[m]
but i can switch to webchat for this session...
17:22
se6astian
that would be great I think
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Katja
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17:22
se6astian
intrac: suggested to briefly discuss this task here: https://lab.apertus.org/T645
17:23
se6astian
the goal is to create a short animation for community shot footage shot with the AXIOM Beta
17:23
se6astian
the requirements though are that the animation has to be created with open source tools only
17:23
se6astian
it would be enough to just animate the logos though and reveal a bit of text
17:24
se6astian
of course it can also be fancier, but it would be better to have something simple for now sooner
17:24
intrac
se6astian: I might be able to do something here. would need suggestions and ideas
17:24
intrac
maybe set up a dedicated wiki page for discussions, or if not, lab.apertus.org
17:24
intrac
I did this doodle a while back: https://drive.google.com/file/d/0Bx9E_hC7xaUaMnFkY3VfN25YX1U/view
17:25
intrac
imo, something a simple and short anim would work best
17:25
intrac
since we don't have a jingle/theme
17:26
intrac
is familiar with Blender
17:26
jarhab[m]
html/css3 works nice for 2d animations too
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Katja
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17:27
intrac
jarhab[m]: how would you render out a final sequence from that?
17:27
intrac
a screen capture would probably lead to dropped/duplicate frames
17:27
jarhab[m]
gstreamer + chrome
17:27
jarhab[m]
not that nice, but works (did it for my boot animation)
17:28
se6astian
intrac: great, looks good
17:29
se6astian
wiki page is a good idea
17:29
se6astian
or google doc
17:29
se6astian
you lead the way :)
17:29
se6astian
just post the link to it in the labtask
17:29
RexOrCine
Just back from the dentist.
17:29
intrac
se6astian: yep ok. wiki would be my preference
17:29
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17:30
intrac
I'll set up a page later
17:30
intrac
se6astian: there was an existing page with some examples to MGM logos and such
17:30
intrac
but I can't find it right now
17:30
se6astian
let me check
17:31
intrac
someone had posted their vimeo showreel to it
17:31
se6astian
it was a google doc I think
17:31
se6astian
searching
17:32
se6astian
found it
17:32
se6astian
https://docs.google.com/document/d/1bR12LQe3xvQKZxMnraGR6-bgAcXbmGGdnLwyqXlXLbo/edit
17:32
intrac
yep, that was it
17:33
se6astian
great
17:33
se6astian
if there are no other topics for today that concludes the meeting
17:33
se6astian
I got no further pms
17:33
se6astian
and as I was away have little to report myself
17:34
intrac
then it's a wrap :)
17:34
intrac
oh, just found this duplicate phab task: https://lab.apertus.org/T811
17:34
intrac
maybe merge it with the other one?
17:35
intrac
https://lab.apertus.org/T645
17:39
se6astian
yes
17:39
se6astian
done
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niculescu_vlad
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niculescu_vlad|a
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se6astian
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ayushmh23
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ayushmh23
Hey, I'm thinking to join this project for GSOC
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BAndiT1983
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niculescu_vlad
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se6astian|away
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19:50
jarhab[m]
does enybody of you know, what the -d in https://github.com/apertus-open-source-cinema/axiom-beta-qemu/blob/master/axiom_beta_build_image_Ubuntu.sh#L78 means?
19:50
jarhab[m]
the script fails at my ubuntu 16.04 and says, that mkfs.ext4 doesnt have a -d option
19:50
Bertl
it means that a directory will be packaged into the newly created filesystem
19:51
Bertl
you need a recent version of mke2fs for that to work
19:52
jarhab[m]
thanx
19:52
jarhab[m]
i will try updating it
19:52
Bertl
you can also simply mount the filesystem and copy the files over
19:52
Bertl
it was just simpler to use this instead of explaining how to do loop mounts
19:53
jarhab[m]
i understand
19:55
jarhab[m]
mmh do you know which ubuntu package contains mkef2fs
19:56
Bertl
e2fsprogs
19:59
jarhab[m]
thanks
19:59
Bertl
np
20:08
jarhab[m]
and sfdisk says invalid option -- 'S'
20:09
Bertl
use -uS instead
20:09
Bertl
ah, sorry, no, that's wrong
20:10
Bertl
it seems that the ubuntu sfdisk is missing the 'S' option
20:10
Bertl
https://linux.die.net/man/8/sfdisk
20:10
Bertl
but you probably can do without it
20:10
jarhab[m]
ok
20:11
jarhab[m]
on what distro are you running the script
20:11
jarhab[m]
(im using docker, so i dont really care)
20:11
Bertl
mageia here, but IIRC, sebastian tested on ubuntu
20:11
jarhab[m]
ok, wired
20:12
Bertl
(probably adapted some of the scripts, Champika did some adaptations as well)
20:12
jarhab[m]
ok
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