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| mithro | morning people | 06:42 |
|---|---|---|
| mithro | I'm in Zurich now! | 06:42 |
| shenki | mithro: hello! | 06:44 |
| shenki | mithro: how was the flight? | 06:44 |
| mithro | Not too bad | 06:44 |
| mithro | Wish I had organised to stay in Chicago longer | 06:44 |
| mithro | was cool to see CarlFK / skay again but it was all over so quickly | 06:44 |
| shenki | fair enough | 06:48 |
| shenki | i bumped into your dad last week | 06:49 |
| shenki | had a chat | 06:49 |
| mithro | yeah, mum mentioned it | 06:52 |
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| mithro | shenki: I ended up ordering one of Bunnie's laptops | 07:16 |
| shenki | mithro: nice! | 07:16 |
| shenki | mithro: just a board? or the full laptop? | 07:16 |
| mithro | just the board | 07:16 |
| mithro | I can't justify the full laptop | 07:16 |
| shenki | mithro: i tried to buy a tshirt, but i kept on getting errors | 07:16 |
| shenki | fair enough | 07:16 |
| shenki | well, we will have to do something cool with it | 07:17 |
| shenki | i was thinking a cool hackerspace project would be an autonomous remote control car | 07:17 |
| mithro | shenki: I'm mainly interested from the idea of the HDMI2USB stuff | 07:18 |
| mithro | with a very small adapter board it could be CarlFK's "all in one" box thing | 07:18 |
| shenki | yeah | 07:18 |
| shenki | what is the FPGA to CPU interface? | 07:18 |
| mithro | high speed, RAM like interface | 07:20 |
| shenki | nice | 07:20 |
| mithro | I'm wondering if we want to put a "virtual" USB 3.0 controller on the FPGA | 07:21 |
| shenki | i had my weekly videoconf with ajit today. apparently the jpeg core is very pipelined already, so the most promising route for getting it fast enough would be duplicating the core | 07:22 |
| shenki | it's already using about 40% of the BRAM he said. so that's going to knock out most of the FPGA | 07:22 |
| mithro | It would *easily* be able to do full speed capture | 07:24 |
| mithro | shenki: it would be good if we could start a wiki page which contains information about how much space each component takes up | 07:25 |
| mithro | shenki: from what I can see, we also need to hardened the EDID hack stuff | 07:26 |
| shenki | mithro: hardened? what do you mean? | 07:30 |
| mithro | shenki: the current one appears to be a bit unreliable | 07:30 |
| shenki | ah okay | 07:30 |
| shenki | mithro: yeah, i prompted ajit to blog about this stuff, so hopefully we see some docs on it shortly | 07:30 |
| mithro | shenki: I think it would be fixed by taking the clock signal, multiplying it and doing multi-sampling of the input signal | 07:30 |
| shenki | you suspect we're getting corrupt data? | 07:31 |
| shenki | mithro: who has observed this behaviour? what devices were they using? | 07:32 |
| mithro | shenki: the issue appears via running xrandr on a bunch of computers | 07:33 |
| mithro | shenki: xrandr forces a re-read of the EDID information | 07:33 |
| shenki | ok | 07:34 |
| shenki | i will test it on my x230 tonight | 07:34 |
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| mithro | shenki: I think we also want to make the system always use a given EDID output | 08:46 |
| mithro | shenki: I think it might just select between DVI (1024x768) and HDMI (720p) EDID output depending on the display attached | 08:46 |
| mithro | shenki: I haven't really looked at the code | 08:46 |
| shenki | mithro: makes sense. probably could use one of the switches | 09:02 |
| mithro | yeah | 09:05 |
| mithro | one of the switches could be for "auto verse manual" and one switch for "in manual mode use DVI or HDMI modes" | 09:05 |
| shenki | sounds good | 09:10 |
| shenki | mithro: what is the baud rate for the serial interface? | 09:10 |
| mithro | NFI? | 09:11 |
| mithro | shenki: which serial interface? | 09:11 |
| shenki | the fx2 one | 09:11 |
| shenki | the CDC device | 09:11 |
| mithro | shenki: I also just realized the Atlys board has a second USB port which appears as a USB serial port and connected to the FPGA | 09:12 |
| mithro | https://github.com/timvideos/HDMI2USB/issues/44 | 09:12 |
| tpb | Title: Connect the USB-UART connector to the control system inside the firmware · Issue #44 · timvideos/HDMI2USB · GitHub (at github.com) | 09:12 |
| shenki | right | 09:12 |
| shenki | you popose we connect that to the same Tx/Rx lines as the fx2 CDC interface? | 09:12 |
| mithro | yes | 09:13 |
| mithro | Allowing control / debugging of the system when the Cypress firmware programming fails. | 09:13 |
| shenki | sounds good | 09:14 |
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| tvCommitBot | [getting-started] timvideos-website pushed 1 new commit to master: http://git.io/nWs-_A | 09:31 |
| tvCommitBot | getting-started/master 6480e63 Tim 'mithro' Ansell: Adding a _config which makes output the same on ruby1.9 as ruby1.8 | 09:31 |
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| tvCommitBot | [getting-started] timvideos-website pushed 1 new commit to master: http://git.io/775jtw | 09:35 |
| tvCommitBot | getting-started/master d2c89a2 Tim Ansell: Test edit. | 09:35 |
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| tvCommitBot | [getting-started] timvideos-website pushed 1 new commit to master: http://git.io/WH_A0w | 09:36 |
| tvCommitBot | getting-started/master 6c56ad5 Tim Ansell: Another test edit. | 09:36 |
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| tvCommitBot | [getting-started] timvideos-website pushed 1 new commit to master: http://git.io/XUsutQ | 09:36 |
| tvCommitBot | getting-started/master 79a03a5 Tim Ansell: Another test edit. | 09:36 |
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| mithro | shenki: hopefully we can add more debugging output so that we can figure out what is going wrong with the fxload thing | 09:42 |
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| puck | Well, I finally have my workstation back to a state where it is mostly working. It upgraded to systemd, which has caused some ... issues. | 23:14 |
| puck | First flash, kind of worked. | 23:17 |
| puck | http://paste.dollyfish.net.nz/00950f | 23:18 |
| tpb | Title: paste.dollyfish.net.nz (at paste.dollyfish.net.nz) | 23:18 |
| puck | But cheese didn't see it | 23:18 |
| puck | Trying to do a reflash (after power cycling the board) and I'm back to [ 1764.789417] usb 4-1.1: device not accepting address 9, error -32 | 23:19 |
| puck | Running with kernel 3.13.6 | 23:19 |
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| CarlFK | puck: that is after using fxload, right? | 23:47 |
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