Current Server Time: 02:36 (Central Europe)

#apertus IRC Channel Logs

2020/10/20

Timezone: UTC


01:18
Bertl
off to bed now ... have a good one everyone!
01:18
Bertl
changed nick to: Bertl_zZ
05:42
BAndiT1983|away
changed nick to: BAndiT1983
06:48
mumptai
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07:26
se6ast1an
good news our USB PID has been merged!
07:26
se6ast1an
https://github.com/pidcodes/pidcodes.github.com/pull/554
07:27
se6ast1an
https://github.com/pidcodes/pidcodes.github.com/blob/master/1209/%E2%80%ADBE7A%E2%80%AC/index.md
07:27
se6ast1an
we now have the speaking code: BE7A⬠:)
08:01
BAndiT1983
se6ast1an: that's just a shame of leetspeek there, B374 would be the proper one
08:04
se6ast1an
why not 8374 ?
08:07
BAndiT1983
nah, this would be total leetspeek and we are not enlightened yet to use it
08:18
se6ast1an
I s33
08:21
BAndiT1983
http://www.robertecker.com/hp/research/leet-converter.php?lang=de
08:21
BAndiT1983
1 533
08:34
se6ast1an
0k, 1 und3r574nd
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10:03
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10:06
Bertl_zZ
changed nick to: Bertl
10:06
Bertl
morning folks!
10:15
anuejn
EmilJ: sounds like something is broken indeed ;)
10:15
anuejn
but I suspect that it is the hsync / vsync generation
10:15
anuejn
I think that it is the coordination between the reader and the sync generator
10:18
anuejn
moreover the in memory layout the whole thing expects is a bit wired
10:19
anuejn
it has a build time fixed line width and then you can select at runtime what the real line width is
10:20
anuejn
so the frame is not continous in memory but rather spread
10:20
anuejn
(see https://github.com/apertus-open-source-cinema/nmigen-gateware/blob/45dbe641fdda407dfaa9ebd99606034270a83db5/src/cores/hdmi/hdmi_buffer_reader.py#L11)
10:24
EmilJ
whaaaat
10:24
EmilJ
is this another legacy of this being designed for a camera module?
10:25
EmilJ
anyway vsync is definitely broken, since it's only using one buffer (the one highest in memory which I think means index 0)
10:34
anuejn
oh ooof
10:34
anuejn
no it was just a "clever" idea i had when writing this ;)
10:34
anuejn
feel totally free to rewrite it completely, it might be easier than debugging this
10:48
Bertl
EmilJ: just curious, what are you working on?
10:50
EmilJ
for now, only a semestral project. I was looking for an nmigen Zynq environment, and thinking out loud about it, vup suggested I use the axiom nmigen gateware setup, which was closest to what I wanted at the time
10:53
Bertl
so, is there some goal you want to achieve or is it 'just' playing around with nmigen to get more comfortable?
10:55
EmilJ
I want a video output on an embedded device, where I get to codesign the driver together with the RTL
10:57
Bertl
and driver here means kernel driver (e.g. v4l2)>
10:57
Bertl
s/>/?
10:57
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11:07
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11:14
EmilJ
driver here means "whatever crappy C code I write", because I want to get my feet wet with writing these. Only once I have some intuition do I want to go look into existing solutions to figure out how to do it "properly"
11:17
EmilJ
For now, I'm here only because the apertus setup is the best way to do stuff on zynq, and my playing around is a side effect ultimately testing the setup on a new board and maybe fixing some bugs in the gateware
11:18
EmilJ
I'm also using a "computer communication interfaces" class semestral project as an excuse to allocate time for this
11:37
Bertl
sounds good to me, tx!
13:40
BAndiT1983
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13:41
BAndiT1983|away
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13:56
BAndiT1983
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15:50
mithro
OpenRAM on SKY130 talk from Matt as part of FOSSi Foundation DialUp talk series is starting in 10 minutes -- https://youtu.be/9Lw83kFtnc4
15:54
Bertl
tx
16:03
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17:16
Bertl
mithro: that was quite interesting, thanks again for the notification, appreciated!
17:16
Bertl
off for now ... bbl
17:17
Bertl
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19:38
BAndiT1983|away
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22:28
BAndiT1983
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22:49
BAndiT1983|away
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23:05
mumptai
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BAndiT1983
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