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#apertus IRC Channel Logs

2020/03/16

Timezone: UTC


00:16
Bertl_oO
Hello omar31!
00:17
Bertl_oO
Yes, the eMMC plugin can be considered a prototype to investigate our options regarding eMMC storage for the AXIOM Beta
00:18
Bertl_oO
so it is a single eMMC chip directly attached to the Zynq IOs and the task is to get a controller implemented on the Zynq which can write and read data at high speeds
00:20
Bertl_oO
I will upload the schematic and board design shortly ...
00:21
omar31
The schematic is already uploaded on the task description
00:21
Bertl_oO
ah, perfect
00:24
omar31
But in the task description, it is written that the AXIOM Beta will feature eMMC Plugin "with a Lattice FPGA"
00:24
omar31
What does that mean?
00:26
Bertl_oO
It means that once we have the necessary HDL to handle the eMMC stuff, we will expand on the eMMC idea and create a larger plugin module which has several eMMC chips on it and a low power FPGA (likely a Lattice) to handle those
00:27
omar31
Is this required for this task?
00:27
Bertl_oO
no, we probably won't reach the stage during GSoC 2020
00:28
Bertl_oO
(unless you are exceptionally fast :)
00:28
omar31
Ok, now I get it, thanks
00:29
Bertl_oO
So for the task, the hardware is very likely limited to the plugin linked and the implementation on the Zynq to handle it
00:30
omar31
Yes, thanks for the clarification.
00:34
Bertl_oO
you're welcome!
00:37
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02:42
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03:24
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07:20
Bertl_oO
off to bed now ... have a good one everyone!
07:20
Bertl_oO
changed nick to: Bertl_zZ
10:15
rajdeep
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10:20
rajdeep
I tried all day yesterday (brute-forcing all the options using imagemagick and the online tool), but couldnot find the correct option
10:21
rajdeep
The result is that it turned to half black image with many dots from full black image
10:35
rajdeep
I'm pretty sure that problem is in the C Source header only
10:41
comradekingu
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11:11
comradekingu
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11:15
rajdeep
I didnt understand how the bitwise operators works in DrawImage to extract colors
11:25
se6ast1an
did you read up on bitwise operators then?
11:27
rajdeep
I know how bitwise operators work in general, but I dont know how it works here
11:29
rajdeep
I dont know also how images are stored in these C header files
11:54
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13:02
Bertl_zZ
changed nick to: Bertl
13:02
Bertl
morning folks!
13:11
anuejn
morning :)
13:31
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13:50
rajdeep
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13:56
codetronaut
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14:20
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15:34
rajdeep
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15:34
rajdeep
https://www.fayewilliams.com/2011/09/21/bitwise-rgba-values/
15:36
rajdeep
Is this the way to extract colors?
15:50
Bertl
it might be time to ask yourself: rajdeep, you sure this task is the right one for you?
15:58
Bertl
off for now ... bbl
15:58
Bertl
changed nick to: Bertl_oO
16:09
RexOrCine
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16:14
BAndiT1983|away
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16:20
rajdeep
https://pasteboard.co/IZnGBQO.png
16:20
rajdeep
here is the screenshot
16:21
BAndiT1983
looks like wrong extract
16:22
rajdeep
wrong extract of colors? or wrong extract of c header from png?
16:23
pratyush
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16:23
BAndiT1983
you tell me, i don't know the background
16:24
BAndiT1983
but DrawImage() works, so the problem is elsewhere
16:28
pratyush
Betl-oO: I am storing checksum using both procfile and Ioctl seperately .For checksum i am taking XOR of the hexadecimal values of the characters and stored it in a procfile
16:28
pratyush
However I am unable to access the procfile somitimes because of the Linux's OOM killer (displays killed)
16:36
comradekingu
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16:38
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16:40
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16:56
se6ast1an
meeting in 4 minutes!
16:56
BAndiT1983
changed nick to: BAndiT1983|away
17:00
se6ast1an
meeting time!
17:00
se6ast1an
who is here?
17:03
se6ast1an
anyone?
17:03
Bertl_oO
changed nick to: Bertl
17:03
Bertl
is here ..
17:03
se6ast1an
great, then lets do this :)
17:04
se6ast1an
shouldnt be a long one today I guess
17:04
se6ast1an
any news to report Bertl?
17:04
Bertl
not much ... we spent last week with a mix of covid-19 related stuff and the usual business
17:05
Bertl
we had a meeting at the hub, finished the dev kit for Jan, made some progress on the power board
17:06
se6ast1an
Jans Beta shipped today
17:06
Bertl
spent some time with GSoC 2020 preparations and tested/fixed some computers
17:07
se6ast1an
official application phase in GSoC starts today btw
17:07
Bertl
besides that, rework and the usual business
17:08
Bertl
that's it from my side for this week
17:08
se6ast1an
thanks!
17:08
se6ast1an
quick points from me:
17:08
se6ast1an
CERN released a new OHL: https://home.cern/news/news/knowledge-sharing/cern-updates-its-open-hardware-licence
17:08
se6ast1an
V2
17:09
se6ast1an
maybe worth considering for our hardware
17:09
se6ast1an
Project Ambrosia was officially launched last week
17:09
se6ast1an
https://wiki.apertus.org/index.php/Project_Ambrosia
17:10
se6ast1an
its not meant for the wider public though but for developers and people who currently have an AXIOM Beta development kit
17:10
se6ast1an
to encourage collection/creation of content and critical review of images and ultimately improvements to image processing/calibration routines/workflows
17:11
se6ast1an
to establish a self hosted online document collaboration service we tested collabora office and etherpad recently
17:11
se6ast1an
collabora had big issues (maybe related to the installation provided - not sure)
17:12
se6ast1an
etherpad worked mostly good but we couldnt install any plugins so a lot of features were missing
17:12
se6ast1an
like adding images, etc.
17:12
se6ast1an
confluence was considered but deemed not actually self hosted
17:12
se6ast1an
so the search continues
17:12
se6ast1an
here is the task, I updated the description recently: https://lab.apertus.org/T291
17:12
se6ast1an
feedback/ideas/help appreciated
17:13
se6ast1an
I continued the CAD design of more parts for the CP enclosure and accesories, 2 new screenshots added to https://cloud.apertus.org/index.php/apps/gallery/s/jycWfbwpWYAwfJ6 (see last 2 entries)
17:14
se6ast1an
thats it from my side
17:14
se6ast1an
quick wrap up? or anyone else with topics?
17:15
Bertl
guess that's it ... keep calm, keep healthy, everyone!
17:18
se6ast1an
and stay at home, where you can much better contribute to the AXIOM project :)
17:18
se6ast1an
meeting concluded, thanks Bertl!
17:19
Bertl
thanks for moderating!
17:19
Bertl
changed nick to: Bertl_oO
17:34
rajdeep
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Oscar
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18:27
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philippej|away
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18:30
BAndiT1983|away
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19:44
anuejn
se6ast1an: what are your problems re plugin installation in etherpad(
19:44
anuejn
*?
19:44
anuejn
i once build one and may be able to assist
19:46
omar31
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19:55
BAndiT1983
etherpad was quite broken by itself, so either the setup on the server was dated or the software has problems with multiple users
20:09
omar31
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20:16
se6ast1an
anuejn: someone just gave us a test account on an existing system so we couldnt administer it and install plugins
20:17
se6ast1an
anuejn: what is your experience with it in general?
20:20
se6ast1an
or do you have it installed anywhere on a server you manage to we could test more?
20:21
se6ast1an
or https://github.com/codimd
20:24
BAndiT1983
personally i would vote for codimd, because the integration of very useful libs is there -> https://i.imgur.com/c8DWOes.png
20:25
BAndiT1983
using plantuml also at the company for the docs, second one is new to me, but looks also very nice
20:28
bluez_[m]
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20:44
bluez_[m]
Hello mentors! I am Swaraj Hota, an undergrad at IIIT Bhubaneswar, India. I am interested to work on the project T730 for GSoC 2020. I completed GSoC 2019 at FFmpeg for "HEIF Support", and hence I have good knowledge of C. I have some idea about writing device drivers in linux kernel, although I am learning now. My github username is @Swaraj1998. This year I have been working at another org but due to some issues I'm not
20:44
bluez_[m]
sure I would continue there. My friend metal_dent mentioned me about apertus and I found this really cool project which I did not know about. I know I am late to the party, but I will try my best to make use of the days I have. Looking forward to your support! ð
20:47
BAndiT1983
hi Swaraj
20:48
bluez_[m]
hello BAndiT1983 !
20:48
bluez_[m]
I had a question about the kernel challenge
20:48
bluez_[m]
What kind of checksum do I have to calculate?
20:49
BAndiT1983
Bertl_oO has mentioned something in the logs recently about this topic
20:49
bluez_[m]
I mean to go for the Task 1 mentioned on the challenge
20:50
BAndiT1983
http://irc.apertus.org/index.php?day=10&month=03&year=2020
20:50
BAndiT1983
can only give vague directions, as i haven't looked at the task deeper yet, Bertl_oO is the right one to ask
20:53
bluez_[m]
<BAndiT1983 "http://irc.apertus.org/index.php"> Okay, thanks! That helped.
20:54
bluez_[m]
Is Bertl_oO not available right now?
20:54
BAndiT1983
if _oO is appended there, then less, but sometimes he awakes and responds
20:54
BAndiT1983
_zZ is totally asleep
20:56
bluez_[m]
Ohhh I see. That's handy.
20:57
bluez_[m]
I will start working then. Will report my progress. Thanks again!
20:59
BAndiT1983
no problem
21:59
Bertl_oO
bluez_[m]: _oO means otherwise occupied ... i.e. I'm not watching IRC :)
22:00
Bertl_oO
you found the answer to your question in the logs?
22:00
BAndiT1983
ok,ok, _oO is nap and _zZ is deep sleep
22:02
BAndiT1983
despite emergency situation work still awaits tomorrow, luckily from home
22:02
BAndiT1983
good night
22:02
BAndiT1983
changed nick to: BAndiT1983|away
22:19
bluez_[m]
> bluez_: _oO means otherwise occupied ... i.e. I'm not watching IRC :)
22:19
bluez_[m]
Okay!
22:21
bluez_[m]
> you found the answer to your question in the logs?
22:21
bluez_[m]
Bertl_oO I found other things but not that particular question though... so which checksum? A simple sum of all bytes? Or any other?
22:22
Bertl_oO
doesn't matter, pick whatever checksum function you like
22:22
bluez_[m]
Okay got it!
22:23
bluez_[m]
Will continue tomorrow. Way past bed time here. Good night!
22:23
Bertl_oO
nn
22:41
anuejn
se6ast1an: pad.niemo.de
22:42
anuejn
and https://pad.niemo.de/w/some_wiki_test
22:42
anuejn
(this is the plugin i wrote)
22:43
anuejn
(can bundle multiple pads together in a hierarchical structure)
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22:47
se6ast1an
anuejn: excellent, thanks!
22:50
anuejn
if you want any plugins installed, just ask
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