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| mithro | CarlFK: ping? | 00:59 |
|---|---|---|
| CarlFK | mithro: pong | 00:59 |
| mithro | CarlFK: did you get a pack of colorful microusb cables? | 00:59 |
| CarlFK | ah! | 00:59 |
| CarlFK | yes, I was wondering how that happened | 01:00 |
| mithro | CarlFK: do you have a photo | 01:02 |
| CarlFK | amazingly... yes | 01:02 |
| CarlFK | mithro https://plus.google.com/u/0/101817321389198875733/posts/aaVxaHamDqD?pid=6285830208091880850&oid=101817321389198875733 | 01:18 |
| mithro | cr1901_modern: ping? | 01:40 |
| mithro | CarlFK: I was looking for some colorful USB cables to tell all my dev boards apart when connecting / disconnecting them | 01:40 |
| CarlFK | mithro: these would be good for that | 01:48 |
| mithro | I need to find similar ones for mini-usb | 01:49 |
| CarlFK | they may be a little short | 01:49 |
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| cr1901_modern | mithro: pong. Testing the counter now... verified up to 120MHz. It is NOT suitable for very low frequency signals, just as a warning :P | 08:29 |
| cr1901_modern | mithro: Verified up to 240 MHz. I'll try using one of Xilinx PLL's to go up even further | 08:32 |
| cr1901_modern | (I was synthesizing the test signal using IceStick) | 08:32 |
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| mithro | cr1901_modern: How low can you go? | 08:34 |
| cr1901_modern | mithro: Not sure... I do know 10.0/4.0 Hz is out of the question :P | 08:36 |
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| cr1901_modern | Now 264 MHz | 08:47 |
| cr1901_modern | mithro: What's the highest and lowest freq you think you'll need? | 08:47 |
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| mithro | If it goes as low as 10MHz, then that is fine | 09:07 |
| mithro | cr1901_modern: have you tried measuring actual HDMI clock signals? | 09:07 |
| cr1901_modern | mithro: Not yet. Is the minispartan_video.py target enabled upstream yet? | 09:11 |
| cr1901_modern | mithro: What I'm doing right now is building against minispartan_base and adding some firmware to report the current frequency when asked (the current firmware has a "log events" command) | 09:12 |
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| mithro | cr1901_modern: I think it's upstream... | 09:19 |
| cr1901_modern | And right now I'm getting a clock domain Key Error because of course I am... | 09:19 |
| mithro | by "upstream" do you mean the HDMI2USB misoc firmware? | 09:19 |
| mithro | https://github.com/timvideos/HDMI2USB-misoc-firmware/blob/master/targets/minispartan6_video.py | 09:19 |
| tpb | Title: HDMI2USB-misoc-firmware/minispartan6_video.py at master · timvideos/HDMI2USB-misoc-firmware · GitHub (at github.com) | 09:19 |
| mithro | That only does HDMIOut | 09:20 |
| cr1901_modern | mithro: is it enabled in the Makefile is what I meant | 09:20 |
| mithro | should be? | 09:22 |
| mithro | https://github.com/timvideos/HDMI2USB-misoc-firmware/blob/master/Makefile#L19 | 09:22 |
| tpb | Title: HDMI2USB-misoc-firmware/Makefile at master · timvideos/HDMI2USB-misoc-firmware · GitHub (at github.com) | 09:22 |
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| cr1901_modern | mithro: Okay very good then :P. I'll start testing against video once I get base up and running. | 09:23 |
| mithro | cr1901_modern: that only does output as I said | 09:23 |
| cr1901_modern | So? I can test the output clock to verify lol | 09:23 |
| mithro | We are interested in using it to understand the HDMI clock frequency, so needs to test HDMI input | 09:24 |
| cr1901_modern | If you want me to add input I will, but I'll need to buy a DisplayPort to HDMI adapter | 09:25 |
| cr1901_modern | mithro: Erm disregard that second part XD. I have one. | 09:26 |
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| CarlFK | mithro: one of my Atlys comes with a VmodMIB http://store.digilentinc.com/vmodmib-vhdc-module-interface-board/ "provides four additional Pmod and four additional HDMI connections." | 12:41 |
| tpb | Title: VmodMIB: VHDC Module Interface Board - Digilent (at store.digilentinc.com) | 12:41 |
| CarlFK | what's a Pmod? | 12:42 |
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| mithro | http://lmgtfy.com/?q=pmod | 14:22 |
| tpb | Title: Let me google that for you (at lmgtfy.com) | 14:23 |
| shenki | http://lmbtfy.com/?q=lmgtfy | 14:28 |
| tpb | Title: Let me bing that for you (at lmbtfy.com) | 14:28 |
| mithro | ha I thought that was going to "search on bing, don't find anything, type same thing into google" :P | 14:29 |
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| tumbleweed | mithro: we're now about a month away from needing this board to work. Should I be trying to buy one of xfxf's spare boards? | 21:02 |
| tumbleweed | and yes, we have an atlys to fall back to. But it's different (which is annoying for volunteers) and hard to make as robust | 21:09 |
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