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#apertus IRC Channel Logs

2019/03/11

Timezone: UTC


23:01
saurabh_raj
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23:23
kingsocarso
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23:54
saurabh_raj
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00:49
Bertl
markian: well, basically the task is to 'convert' a bunch of high speed links (~1GHz) into 32bit 'moderate' speed parallel signals
00:49
Bertl
the challenge is to get the most out of the high speed links as well as the 32bit parallel port
00:57
apurvanandan[m]
Could you please provide the documentation of USB 3.0 plugin module https://github.com/apertus-open-source-cinema/apertus_multimedia/blob/master/Photos/AXIOM Beta USB 3.0 Plugin Module 01.png
01:00
Bertl
so on the HDL side, it will be at least two clock domains, encoding, serialization, deserialization, probably CRC, maybe (F)ECC, FIFOs and synchronization
01:01
Bertl
apurvanandan[m]: the only documentation available for the module so far is the schematic and layout (and of course all the available documentation from FTDI and Lattice)
01:29
apurvanandan[m]
is there any kind of criteria such as to have some number of pull requests in order to get accepted in the project?
01:32
Bertl
no you can work with us anytime ... for GSoC 2019, we will select those applicants which seem most promising for the tasks they applied for
01:34
Bertl
this includes but is not limited to coding style, creativity, self organization, communication and of course existing contributions
01:48
Bertl
off to bed now ... have a good one everyone!
01:48
Bertl
changed nick to: Bertl_zZ
01:49
apurvanandan[m]
I read your brochure where i found you already have completed 1080p HDMI plugin module. Could you please provide the gearwork/ HDLs for it?
01:54
markian
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05:54
kingsocarso
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05:55
aSobhy
hi, I'm new here :)
05:55
aSobhy
I'm asking in the vhdl challenge task1 : how I will get the n-bit encoded from the serialization to be decoded in the 12-bit format
05:55
aSobhy
are they encoded in the format of 3b/4b as ibm code so the output encoding will be 16-bit ? am I right ?
07:31
se6astian|away
changed nick to: se6astian
08:07
vup2
apurvanandan[m]: it can be found here https://github.com/apertus-open-source-cinema/axiom-beta-firmware/tree/master/peripherals/soc_main
08:13
vup2
aSobhy: i am not sure what you mean by ibm code, but task1 is only about deserialization, so you have a serial input of one bit and every 8 / 10 or 12 bits from this input form a output word
08:17
LordVan
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08:37
futarisIRCcloud
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aSobhy_
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09:00
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09:25
RexOrCine|away
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09:44
aSobhy_
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09:48
aSobhy_
I thought I have to implement a clock recovery to determine the clock frequency of the serilaized words so the words are encoded for that reason and I have to decode them . But it seems eathier than what I thought . Is that right ?
09:59
aSobhy_
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10:08
vup2
aSobhy: ah maybe i read the task wrong, best to ask Bertl_zZ when he wakes up
10:17
Bertl_zZ
changed nick to: Bertl
10:17
Bertl
morning folks!
10:19
Bertl
apurvanandan[m]: https://wiki.apertus.org/index.php/Beta_HDMI_Plugin_Module is the hardware and the HDL for this module is on the ZYNQ side
10:22
Bertl
you can find the HDL somewhere on https://github.com/apertus-open-source-cinema
10:22
Bertl
(lost track where it was moved last time :)
10:22
vup2
morning
10:23
vup2
re where it was moved: it says it right in the readme :)
10:24
Bertl
there is a readme?
10:24
vup2
ah thought you had linked the axiom-beta-firmware repo
10:25
vup2
(and not the whole github organization)
10:25
Bertl
aSobhy: for the challenge task, you do not need to do any clock recovery or decoding, for the first task we assume you have a clock which is at least related to the data
10:27
Bertl
apurvanandan[m]: so https://github.com/apertus-open-source-cinema/axiom-beta-firmware specifically https://github.com/apertus-open-source-cinema/axiom-beta-firmware/tree/master/peripherals/soc_main is where you should look
10:28
Bertl
rgb_hdmi.vhd is the data conversion and enc_*.vhd are the encoders (tmds, terc4 and ctrl)
14:04
kingsocarso
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14:06
LordVan
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14:35
aSobhy_
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14:36
aSobhy_
Thanks Bertl :)
14:45
aSobhy_
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14:46
Bertl
you're welcome!
14:47
siddhantsahu
Would this feature of creating out own LUTs(2D and 3D) be helpful for OpenCine user?
14:48
siddhantsahu
https://3dlutcreator.com/
14:52
Bertl
check with BAndiT1983|away when he returns
14:53
siddhantsahu
Bertl: Ok
15:05
apurvanadan
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shivamgoyal
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shivamgoyal
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shivamgoyal
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shivamgoyal
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16:13
kingsocarso
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BAndiT1983|away
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se6astian
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BAndiT1983
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BAndiT1983|away
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RexOrCine
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19:18
se6astian|away
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21:46
BAndiT1983
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21:49
se6astian
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22:54
futarisIRCcloud
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