Thursday, 2016-04-21

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CarlFKmithro: does any coding have to be done before someone starts porting the vga circuts from atlys to tofe ?03:57
mithroCarlFK: By porting you mean layout of the schematic?03:57
CarlFKI think so - laying out the traces so a prototype can be fabbed03:58
mithroit would be good to have rohit's code totally working, but I don't think its a total blocker03:58
CarlFKgiven I have seen 1024x768 vga input send out the hdmi to a monitor,   that mostly confirms the hardware works, right?04:00
CarlFKI am suddenly thinking I should try to have a tofi board done in 2 or 3 weeks04:03
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mithroCarlFK: good luck with that04:32
mithroand it's TOFE04:32
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CarlFKmithro: if I wanted to point someone at the schematic, is it a file or dir or what?  should I just give them https://github.com/timvideos/HDMI2USB-vmodvga and they can figure it out ?04:38
tpbTitle: GitHub - timvideos/HDMI2USB-vmodvga: VGA capture expansion board for HDMI2USB (or Digilent Atlys prototype board). (at github.com)04:38
mithroCarlFK: sometimes I wonder if you even listen to half the things I tell you04:38
mithrohttps://github.com/timvideos/?utf8=%E2%9C%93&query=vga04:49
tpbTitle: Tim Videos Conference Recording Systems · GitHub (at github.com)04:49
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CarlFKmithro: that is not a schematic04:59
JoelwSchematics are in the 'board' directories, aren't they?05:13
mithroJoelw: correct, as 30 seconds looking at it would show05:25
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RattusRa1tus2016-04-21 05:30 BST <@mithro> CarlFK: good luck with that08:13
RattusRa1tus2016-04-21 05:30 BST <@mithro> and it's TOFE08:13
RattusRa1tus2016-04-21 05:35 BST -!- Bertl_zZ is now known as Bertl08:13
RattusRa1tus2016-04-21 05:36 BST <+CarlFK> mithro: if I wanted to point someone at the schematic, is it a file or dir or what? should I just give them https://github.com/timvideos/HDMI2USB-vmodvga and they can08:13
tpbTitle: GitHub - timvideos/HDMI2USB-vmodvga: VGA capture expansion board for HDMI2USB (or Digilent Atlys prototype board). (at github.com)08:13
RattusRa1tus                               figure it out ?08:13
RattusRa1tus2016-04-21 05:36 BST < tpb> Title: GitHub - timvideos/HDMI2USB-vmodvga: VGA capture expansion board for HDMI2USB08:13
RattusRa1tus                            (or Digilent Atlys prototype board). (at github.com)08:13
RattusRa1tus2016-04-21 05:37 BST <@mithro> CarlFK: sometimes I wonder if you even listen to half the things I tell you08:13
RattusRa1tus2016-04-21 05:47 BST <@mithro> https://github.com/timvideos/?utf8=%E2%9C%93&query=vga08:13
tpbTitle: Tim Videos Conference Recording Systems · GitHub (at github.com)08:13
RattusRa1tus2016-04-21 05:47 BST < tpb> Title: Tim Videos Conference Recording Systems · GitHub (at github.com)08:13
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RattusRa1tus2016-04-21 05:57 BST <+CarlFK> mithro: that is not a schematic08:13
RattusRa1tus2016-04-21 06:11 BST < Joelw> Schematics are in the 'board' directories, aren't they?08:13
RattusRa1tus2016-04-21 06:23 BST <@mithro> Joelw: correct, as 30 seconds looking at it would show08:13
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mithroRattusRa1tus: misclick?08:13
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RattusRa1tus-------------------------------------------------------------------------------------------------------------------08:13
RattusRa1tus [2016-04-21 09:11 BST] [RattusRa1tus(+i)] [38:Freenode/#timvideos(+nt)] [Act: 5,8,9]08:14
RattusRa1tus[#timvideos]08:14
RattusRa1tuseeek  sorry bad mouse click :-(08:14
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RattusRattusack so sorry08:14
RattusRattusmithro: was scrolling up to read backlog and coughed.....08:14
* RattusRattus was looking for rohitksingh1. CarlFK wanted me to talk about vga daughterboards08:17
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mithro_florent_: How did you come up with the SPI name for this -> https://github.com/enjoy-digital/opsis-soc/blob/master/gateware/spi.py ?10:09
tpbTitle: opsis-soc/spi.py at master · enjoy-digital/opsis-soc · GitHub (at github.com)10:09
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mithroRattusRattus: if you have any questions about the VGA boards, feel free to ask - seaLne was the last one to work on the TOFE version11:38
RattusRattusmithro: CarlFK wanted me to have a chat with rohitksingh1 as he wanted me to offer some hardware design support.11:42
mithroRohit did the VGA board for the Atlys11:43
RattusRattusCarlFK: ^^11:43
mithroCarl should be asleep11:43
RattusRattusack but should get that in scroll back later :-)11:44
mithroI'm pretty sure Carl knows everything I just said11:47
mithroor should if he has been paying any attention11:47
RattusRattus                               boards for the hdmi2usb?  (where help is really help another dev who has already11:49
RattusRattus                               produced boards)11:49
RattusRattus2016-04-19 20:30 BST < pollo> DLange: nah, it's for 3D of course11:49
RattusRattus2016-04-19 20:30 BST < tumbleweed> RattusRattus: I need to go eat lunch. After that?11:49
RattusRattus2016-04-19 20:30 BST < RattusRattus> CarlFK: can do.11:50
RattusRattus2016-04-19 20:30 BST < CarlFK> RattusRattus: !!! yay!! really.11:50
RattusRattus2016-04-19 20:31 BST < RattusRattus> tumbleweed: ehhh 1h 2h delta from now?11:50
RattusRattus2016-04-19 20:31 BST < tumbleweed> yep11:50
RattusRattusI guess there is some confusion somewhere11:50
RattusRattus2016-04-19 20:31 BST < CarlFK> RattusRattus: can you lurk in freenode #timvideos and jump on this guy when he comes on: (12:29:46 PM) rohitksingh1: hehe true! let me fix some of the [vga] code right now itself :p else I might become lazy again11:50
mithroRattusRattus: the TOFE version of the board needs to be finished11:50
mithroRattusRattus: It currently has an unverified schematic and a board template11:51
mithroRattusRattus: so, someone needs to review the schematic, confirm its good and then route the PCB11:52
RattusRattuswell /me can take a look and review the schematics and possible help / do board layout11:52
RattusRattusso I guess that's me then.11:52
mithroRattusRattus: the KiCad files for the TOFE board are in the https://github.com/timvideos/HDMI2USB-TOFE-VGA repo11:52
tpbTitle: GitHub - timvideos/HDMI2USB-TOFE-VGA: A VGA capture board for use with TOFE-8x compatible boards like the Numato Opsis. (at github.com)11:52
mithroRattusRattus: The currently working board that Rohit designed is at https://github.com/timvideos/HDMI2USB-vmodvga11:53
tpbTitle: GitHub - timvideos/HDMI2USB-vmodvga: VGA capture expansion board for HDMI2USB (or Digilent Atlys prototype board). (at github.com)11:53
mithro(also done in KiCad)11:53
mithroIt's a reasonably simple board, but you need to be careful to length match the data bus11:54
RattusRattusok will take a look12:05
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* CarlFK wakes up under an paste avalanche :p13:09
RattusRattushay CarlFK13:30
CarlFKhey RattusRattus13:32
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CarlFKrohitksingh: can you ... hmm.... I want 720p out of the hdmi.  it is reasonable to make that the only vga resolution supported ?14:38
rohitksinghCarlFK: yeah. we can change it to 720p in the meantime. but we would like to have multiple resolution support :p14:40
CarlFKrohitksingh: I hope to bring my Atlys and your vga board to a group of electronics people that might help me fab the tofe14:56
CarlFKso the more you can do by then the better.14:57
rohitksinghCarlFK: awesome! I didn't know that VGA TOFE PCB was ready! :o14:57
CarlFKpfft14:57
CarlFKit is't14:57
CarlFKisn't14:57
rohitksinghthen its design atleast is ready?14:58
CarlFKI am not sure what stage it is in.14:58
rohitksinghoh okay14:59
CarlFKI am pretty sure there is no pcb ... traces.. whatever that process is called14:59
CarlFK(06:51:05 AM) mithro: RattusRattus: the KiCad files for the TOFE board are in the https://github.com/timvideos/HDMI2USB-TOFE-VGA repo14:59
tpbTitle: GitHub - timvideos/HDMI2USB-TOFE-VGA: A VGA capture board for use with TOFE-8x compatible boards like the Numato Opsis. (at github.com)14:59
CarlFKwoot - I have someone interested in laying out the tofe vga - where should I tell him to post questions?15:42
rohitksinghCarlFK: here itself would be proper, or else maybe on the github repository16:01
CarlFKthanks16:08
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RattusRattusCarlFK: I am assuming I am the person you want to route the board?20:19
* RattusRattus is just pulling from repo now20:20
CarlFKRattusRattus: no no no20:20
RattusRattusahh ok20:20
RattusRattuswell looking at schematics anyway20:20
CarlFKplease do20:20
CarlFKI want you to review someone else's work ... assuming they do it in the next few days20:21
RattusRattusok can do20:21
* RattusRattus hasn't used kicad for a while (I'm using Altium in $dayJob)20:21
CarlFKI offered the local hacker space: trade video work for pcb work20:22
CarlFKand someone took me up on the offer20:22
RattusRattusok.20:22
* RattusRattus recomends #hackvana on OFTC (mitch aka hackvana) to fab your PCBs.20:23
RattusRattushe brokers a lot of FLOSS/HW stuff20:23
CarlFKRattusRattus: have you heard of https://oshpark.com ?20:38
RattusRattusheard of, never used.20:39
CarlFKfriend just got a job there.    If I understand ... they just batch small jobs - take everyone's files, tile them onto the size of a large blank, and sub it out to a company that has the machines20:39
RattusRattusyep its a common system (beta/pcb pool, pcb train amungst many others)20:40
CarlFKboards come back, they distribute them back to the customers20:40
RattusRattusmost the boards I do are 6+ layers and I need much finer drills than any of the pool players will do (150um mechanical drills, or blind / buried vias)20:42
RattusRattushackvana have been good for small volue runs for me and several friends.20:43
RattusRattusbiggest problem for me is shipping from USA costs way too much20:43
RattusRattusbut for you it may well work out good value20:43
RattusRattusouch 5mil track and gap / 10mil drill sizes for 4 layer boards and 6mil track & gap, 13mil drill for 2 layer boards :-(  yep I'm clearly not a traget customer :-)20:47
RattusRattusmind you hackvana doesn't advertise at the levels I have asked for and got either :-)20:48
tumbleweed721:13
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