Wednesday, 2019-03-27

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shenkiI've got an opsis that i'm going to lend out to a user group for recording their meetups02:17
shenkiwhere should I grab firmware from for it?02:17
shenkido we have a user guide I can point them to?02:17
mithroshenki: CarlFK[m] is the person you want to talk too02:28
CarlFK[m]Bee right there...02:30
tpbTitle: Flashing Firmware · timvideos/HDMI2USB Wiki · GitHub (at
CarlFKwhat are they going to use to save to disk?02:35
shenkiCarlFK: Whatever you tell them to :)02:35
shenkiI don't think they have any existing knowledge. I recommended they volunteer at PyCon AU to watch it in action02:36
tpbTitle: System Stack · CarlFK/veyepar Wiki · GitHub (at
CarlFKWhen do you plan on giving them the Opsis?  like 2 days, weeks, etc?02:40
shenkiIt's been sitting on my shelf for a few years, unused02:41
shenkiSo they are welcome to it for as long as they are using it02:41
shenki(I figure I'll follow up in about 6 months to check they are using it)02:41
CarlFKit would be good if I could get this page of docs in better shape:
tpbTitle: docs/usb.rst · usb-reorg1 · Carl Karsten / ansible · GitLab (at
CarlFKI think it is an improvement, but it was rejected for being too long.02:47
CarlFKwhich is valid, so I need to do something.02:48
CarlFKwhich takes time and other things have come up02:48
CarlFKyou feel like helping me re-work that again?02:49
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shenkiI am super overloaded at the moment. I'll see what I can do03:24
shenkiCan we use the four-pin 12V square connector of an ATX power supply on the 6-pin opsis 12V header?03:25
shenkiI forgot the power supply :(03:26
shenkiin theory you could, but the connectors are keyed such that the 4-pin connector will only fit in 'let the smoke out' orientation for the 6-pin header03:50
shenkithat's okay, I've got an expensive server sitting here with an atx power supply in it. i'll use that03:51
shenkiCarlFK: which USB cable do I plug in? the micro, or the printer cable?03:57
shenkiI didn't bring the printer cable. So I assume it's that one03:57
CarlFKthe opsis has a micro?03:58
CarlFKfor the usb-installer rework, grind though the process once of just building the usb stick - maybe verify a machine or vm will boot it.04:02
CarlFKthe first time should be minimal thought and futzing, and should be much less reading too.04:03
CarlFKthat's where we are stuck04:03
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shenkiCarlFK: how do I make it show the test pattern on the usb port?06:56
CarlFKdo you have a term progam and an h2u> prompt?06:57
CarlFKmatrix connect pattern encoder06:58
CarlFKpattern is the name of a source, encoder is the name of the sink that goes to usb06:58
shenkiH2U 00:08:34>status06:58
shenkiinput0:  0x0 (@0.00 MHz) (disabled)06:58
shenkiinput1:  0x0 (@27.33 MHz) (disabled)06:58
shenkioutput0: off06:58
shenkioutput1: off06:58
shenkiEDID primary mode:   [email protected]06:58
shenkiEDID secondary mode: [email protected]06:58
shenkiencoder: 1280x720 @ 0fps from pattern (q: 100)06:58
shenkiyeah, i think i did that06:58
CarlFKencoder: 1280x720 @ 0fps from pattern06:59
CarlFKalso, most everything has 1 letter alias.  like s for status, and x c e p for matrix connect pattern encoder07:00
shenkihrm, i'm not seeing a webcam device attached07:01
CarlFKI bet you just hit the "serial first kills uvc"  bug07:01
shenkinice. i love hitting bugs when doing demos07:01
CarlFKdisconnect the term, rmmod uvcvideo, un/plug the usb cable07:02
shenkiokay. i then modprobe'd uvcvideo, and no dice07:03
tpbTitle: Having the serial port open prevents video from streaming · Issue #14 · timvideos/HDMI2USB-fx2-firmware · GitHub (at
shenkiit can see the two webcams i have in my laptop and one in my monitor, but nothing from the opsis07:04
shenkiwhat's the vid:pid for the webcam usb device?07:05
CarlFKim on my way home, I'll have tat for you in 10 min07:06
shenkiokay, thanks07:06
tpbTitle: USB IDs · timvideos/litex-buildenv Wiki · GitHub (at
CarlFKthat has it and a few more07:06
CarlFKweoolll 1-0 min..07:07
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shenkiit's in 'upgrade' mode07:08
shenkido i need to do a modeswitch?07:08
tpbTitle: debian Pastezone (at
shenkiCarlFK[m]: any other ideas?07:19
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shenkiCarlFK[m]: do i need to modeswitch it into 'operational' mode?07:25
shenkiwhen i tried it blew up
tpbTitle: debian Pastezone (at
CarlFKwhat version does version report?07:26
CarlFK  git describe: v0.0.4-340-g3fb4e7c07:28
CarlFKthat's what I have handy07:28
CarlFKhow did that happen? ;)07:35
CarlFKdid you do: python3 --platform opsis --tag stable07:36
shenkii didn't do --stable07:37
shenkiI will retry :)07:37
shenkiokay, done. it's come back as 2a19:544007:44
shenkiaccording to the table that's 'Unconfigured'07:44
shenkiCarlFK[m]: do i need a modeswitch now?07:45
CarlFKhm, did you power cycle it?07:45
shenkiperhaps not enough? i dind't unplug usb07:45
CarlFKthat' should be ok,07:45
CarlFKdo you know about the DNA 101010101... 18181818181  looking thing?07:45
shenkiI saw it mentioned07:46
CarlFK DNA = 110000001100000011000000110000001100000011000000110000001 (0x181818181818181)07:46
tpbTitle: Flashing Firmware · timvideos/HDMI2USB Wiki · GitHub (at
shenkino, mine looks legit. i don't have the 0x1818181 sstuff07:47
shenkino serial port, no video device07:47
CarlFKweird that you didn't get 1818107:47
CarlFKthat noramlly happens always07:47
CarlFKim kinda at a loss07:50
shenkiah, I needed to do the mode switch to serial again07:50
shenkior does that disable the video device?07:50
shenkiCarlFK: any idea how I get it to show up as the 0x5442 device? is there a different fx2 firmware to load?07:52
CarlFKnope - I just to whats on
tpbTitle: Flashing Firmware · timvideos/HDMI2USB Wiki · GitHub (at
shenkiokay. this sucks07:56
CarlFKis this the filename: image-gateware+bios+firmware.v0.0.4-340-g3fb4e7c.opsis.hdmi2usb.lm32.bin07:59
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CarlFKwell that's good.08:03
CarlFKum... try again?08:07
CarlFKi don't have any other ideas08:07
CarlFKand yeah, the flashing process isn't too great08:08
CarlFK"he jumped on his horse and rode off in all directions"08:17
CarlFKshenki: 3a, im off to bed - see ya08:31
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mithroshenki: Sounds like you have incorrectly configured jumpers?16:17
CarlFKmithro: I thought about that, but he got a serial connection to it as is, then couldn't connect16:18
CarlFKmithro: the 'bad video' was probably because bad firmware ver16:18
CarlFKmithro: OTOH, I ran out of ideas, so im not feeling too confidant in anything.16:19
mithroI never feel confident about anything :-P16:22
CarlFKmithro: did you see my email about tripod, lcd and opsis power?16:24
mithroCarlFK: Yes16:24
mithroCarlFK: If I haven't replied by end of today, can you poke me again tomorrow?16:29
CarlFKmithro: will do16:29
mithroCarlFK: I did merge the retry support you were after16:36
CarlFKmithro: i saw.  yay.  were you able to pass the format test?16:36
mithroCarlFK: yes16:37
tpbTitle: HDMI2USB-mode-switch/Makefile at master · timvideos/HDMI2USB-mode-switch · GitHub (at
mithrorohit got a promotion I think! "Rohit Sigh, Head of Development at the FPGA Division of Numato Lab" ->
CarlFKmithro: the firmware currently can not decode hdmi.  (right?)  can it detect that the input is HDMI and show that in the status report?  input1:  36x6 (@74.25 MHz) (capturing)17:41
* CarlFK[m] uploaded an image: VectorImage_2019-03-27_123505.jpg (6488KB) < >17:43
CarlFKthe box and pn: 000717:43
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tpbTitle: YPbPr / AV / S-Video to HDMI / VGA 1080P Video Converter - Black - Free shipping - DealExtreme (at
CarlFKexcept remove the vga.17:54
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CarlFKrohitksingh: promotion?   "Rohit Sigh, Head of Development at the FPGA Division of Numato Lab" ->
rohitksinghCarlFK: haha...I would blame marketing team at Numato Lab for this :) I'm still a learner18:08
CarlFKsounds like a good manager to me18:14
mithrohey rohitksingh18:30
rohitksinghmithro: hi!18:33
mithrorohitksingh: Any chance you could promote GSoC to anyone you still know at Uni?18:33
mithroThey are;18:33
mithro * SymbiFlow -
mithro * FOSSi Foundation -
mithro * apertus° Association -
mithro * TimVideos -
mithro * Center for Research in Open Source Software at UC Santa Cruz (lgraph) -
rohitksinghmithro: yes! I'll do that!18:33
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mithrorohitksingh: Time is quickly running out, so we need to get students moving ASAP18:37
rohitksinghmithro: Done! Sent a mail to my contact at uni for promoting the above list of GSoC organizations in their Facebook and WhatsApp groups, mailing list and notice boards.18:38
rohitksinghmithro: I18:39
mithrorohitksingh: Your welcome to be a mentor for TimVideos or SymbiFlow too18:39
rohitksinghmithro: I'll mention him about limited time available too18:39
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shenkimithro: what should the jumpers be doing?23:33
shenkiit's not enumaring as a usb video device, so something must be wrong with the fx2 firmware23:33
shenkican I grab a fx2 blob and load it on manually?23:34
mithroshenki: One jumper controls the FX2<->FPGA reset, one controls the FX2<->I2C23:35
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shenkimithro: do my symptoms suggest something is wrong ith the jumpers?23:42
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CarlFKshenki: did you ever get a  serial device ?23:52
shenkiCarlFK: I do when I modeswitch to serial23:56
shenkibut not after flashing+power cycling23:56

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