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#apertus IRC Channel Logs

2022/04/18

Timezone: UTC


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04:38
Bertl
off to bed now ... have a good one everyone!
04:38
Bertl
changed nick to: Bertl_zZ
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se6astian
good day
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Bertl_zZ
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11:59
Bertl
morning folks!
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16:00
se6astian
MEETING TIME
16:00
se6astian
who is here?
16:00
Bertl
is here
16:00
se6astian
Bertl: I know you have been very busy and successful, do you want to give us some insights?
16:01
Bertl
sure, why not?
16:01
Bertl
I've been mostly working on the comissioned LAM/INT changes to the gateware and with great success as it seems
16:03
Bertl
besides improving the address generator and reordering the register sets to simplify timing closure we also managed to finally clock the sensor with 300MHz which gives us a 20% speed gain over the previous versions
16:04
Bertl
and over the weekend I wanted to test my hypotheses that binning should already work with the new gateware despite the remapper still messing with the sensor data and indeed, today I succeeded with an (almost) live view of binned raw data from the sensor
16:05
se6astian
wonderful!
16:05
cscar
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16:05
Bertl
so the binned data is captured from the sensor and stored in memory which is then transferred via HDMI (dual magewell capture setup) to my workstation where a python opencv script assembles the data back into a grey image
16:05
cscar
Hi!
16:07
Bertl
there are some new artefacts in the binned image which we have not observed before (like some row pattern) but this seems to be a fixed pattern and can probably also be adjusted with the right sensor settings
16:08
Bertl
that's it from my side for this week!
16:08
se6astian
many thanks, great news!
16:09
se6astian
mini updates from me as I am unfortunately still pretty swamped with other things: mainly working on beta hardware assembly and preparing components for next production run
16:09
se6astian
counting, collecting components
16:09
se6astian
making lists of things we still need to order
16:09
se6astian
like we noticed we are short one PCB :)
16:10
se6astian
I will need your help soon cscar as we will need to go through belgium again with any new orders
16:10
cscar
Of course
16:10
se6astian
anuejn/vup/BAndiT1983_ finished the PLR HDR webui elements
16:10
se6astian
I tested them and they work!
16:11
se6astian
there is a small issue now with the analog gain slider not working with 1/3 and 2/3 options
16:11
se6astian
but thats a minor issue
16:11
cscar
Great. I'll also do tests soon.
16:11
se6astian
I also proposed a way forward for the next steps to take with the CP enclosure
16:11
se6astian
a small batch production for early adopters
16:12
se6astian
where the simple elements are replaced by 3d print parts
16:12
se6astian
like the side plates for connectors
16:12
se6astian
the rest of the parts remainn alumnium as in the prototypes
16:13
se6astian
thats it from my side
16:13
cscar
How about the top and bottom parts?
16:13
se6astian
cscar: you have some enclosure news for us as well?
16:13
se6astian
top and bottom are aluminum
16:13
cscar
Yes, but they could be 3D printed if needed.
16:14
se6astian
the bottom cap contains the lens mount screws so that a part I would not recommend to make from plastic rather than aluminum
16:14
se6astian
same for the top 1/4" mount holes for cap top
16:15
se6astian
I will create an illustration that shows which parts I would see as 3d print and which as aluminum, that should pain a clearer picture then I hope
16:16
se6astian
*paint
16:16
cscar
Yes, good idea. Let's discuss it further by mail or through the task management.
16:16
se6astian
yes
16:16
cscar
I have some small updates.
16:18
cscar
I've received 90° male-male HDMI plugs that can connect the Beta to the magewell. It means no cable in between so it fits directly to the back of the Beta enclosure.
16:18
Bertl
interesting ... please run some performance tests on them
16:18
cscar
I've just ordered two types of flat ribbon wire USB 3.0 cables (5cm) to go from the magewell to the Lattepanda.
16:19
cscar
They won't be as tight as the HDMI solution, but I hope it'll keep everything as small and clean as possible for the recorder.
16:20
cscar
That's about it from me. I was away some time judging at the ECU film festival in Paris :)
16:21
cscar
Where we didn't let Oscar Isaac win best actor :D
16:22
se6astian
any pcitures for us, also of 3d print enclosure progress?
16:22
cscar
One moment. I'll upload them.
16:25
cscar
https://lab.apertus.org/M40/286/
16:25
cscar
https://lab.apertus.org/M40/287/
16:26
cscar
Also possible to keep the magewell in it's enclosure if needed: https://lab.apertus.org/M40/288/
16:27
se6astian
thanks!
16:28
se6astian
are there any pending changes to the 3d print enclosure or are you happy with the way it is now?
16:28
se6astian
or do you want to integrate the recorder before releasing the designs for the camera?
16:29
cscar
I'd like to modify the middle part to make it stronger. And I'm looking at solutions for the recorder enclosure. But first we need to know how much space the connections need.
16:30
cscar
But the printed enclosure is quite strong as it is now.
16:31
se6astian
great!
16:32
se6astian
anything else to add to the meeting, anyone else here who wants to report/share?
16:32
cscar
Any updates on the idea to control basic commands as booting the camera and HDMI start/stop  through the web gui?
16:32
cscar
https://github.com/apertus-open-source-cinema/webui/issues/31
16:33
se6astian
not that I am aware of
16:33
se6astian
it sounds simple to add though judging from the comments
16:33
cscar
OK, I'll discuss it there.
16:35
se6astian
ok then, many thanks Bertl & cscar!
16:35
se6astian
MEETING CONCLUDED
16:36
cscar
Bye!
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cscar
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16:37
Bertl
se6astian: thanks for the moderation!
16:44
se6astian
my pleasure
16:45
Bertl
off for now ... bbl
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Bertl
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