Sunday, 2018-02-04

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tpbTitle: HiFive Unleashed | Crowd Supply (at
futarisIRCcloudThat's an expensive RISC-V Linux capable devboard.00:21
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futarisIRCcloud_florent_ : Should vga_out psave_n be tied high or low? I made the changes to hdmi2usb/firmware to add vga_out0, but can't seem to get any output.  I haven't hooked up an oscilloscope or logic analyser though.02:51
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agronaughthello...  lca attendee here, anybody on?06:10
agronaughtcool.  I'm just playing with the litex-build bits and trying to find my way around, thought I should join IRC for the first time in > 20 years.06:11
futarisIRCcloudtumbleweed: the hdmi2usb pattern generator was fine by you right. It's yuv only right? Not RGB...06:13
futarisIRCcloudMost people use IRCcloud or riot / matrix to connect to IRC these days. Although, you could use any old IRC client if you prefer.06:16
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tpbTitle: arty VGA output WIP by futaris · Pull Request #20 · timvideos/litex-buildenv · GitHub (at
futarisIRCcloudJust in case anyone in this channel isn't on the fpga-miniconf mailing list...08:51
agronaughtthanks, just saw the email.  I'll have a look shortly.08:53
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futarisIRCcloudFPGA-manager talk at FOSDEM is pretty good11:48
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mithroCarlFK[m]: ping?20:54
CarlFK[m]mithro: pong20:55
mithroCarlFK[m]: did you get that GSoC post it notes to XXX conversion done? I have some more things to put on it :-P20:56
CarlFK[m]mithro (IRC):
tpbTitle: tvgsoc2018 - whiteboard (at
mithroHow do I edit that?21:09
CarlFK[m]I think it just lets you edit?21:19
CarlFK[m]looks like you figured it out21:19
mithroCarlFK[m]: can you see those edits?21:20
CarlFK[m]mithro (IRC): where is the details you need tested or something for the hdmi test pattern on Arty thing you said needed testing ?21:22
mithroIt needs to be built first21:22
mithroAnd I don't have any instructions or time to write up a how to guide21:23
tpbTitle: GitHub - mithro/pmod-hdmi at tx (at
CarlFK[m]is that something that is ready to be be sent off to Oshpark and then solder a bunch of stuff to it?21:27
futarisIRCcloudCarlFK[m]: There are also these PMOD to DVI/HDMI boards:
tpbTitle: BML DVI digital video for FPGAs over PMOD Black Mesa Labs (at
mithrofutarisIRCcloud: That isn't very interesting due to the cost of the parts on that board21:45
futarisIRCcloudmithro: Yeah, the PTN3363 is a whole lot cheaper than the TFP410.21:49
mithroIt's just a level shifter verses actual silicon which does stuff21:49
futarisIRCcloudI can order and solder up some PTN3363 boards, if you're sure the design will work.21:49
mithrofutarisIRCcloud: It's copied from the apertus HDMI design -- so it is pretty likely to work21:50
mithrobut nobody has actually tested it yet21:50
futarisIRCcloudmithro: 5mil/5mil, so  OSH park should be fine?21:52
mithrofutarisIRCcloud: I think you need to use the 4 layer process (but have two layers blank)21:52
mithrofutarisIRCcloud: I also have a bunch of the PCBs with me -- I should have given them out at LCA....21:53
mithrofutarisIRCcloud: I can drop some in the mail tomorrow21:56
mithroCarlFK[m]: I can drop some in the mail to you too if it makes sense...21:56
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CarlFKmithro: please do - I'll try to get someone at PS1 to help me do something with it22:04
mithrotumbleweed: When do you get back into the US?23:30
CarlFK[m]mithro: can you accept this PR
tpbTitle: HDMI2USB-mode-switch - Codacy - PullRequests (at
mithroCarlFK[m]: Can you get rid of the double brackets in the print statements? Then I can definitely merge...23:35
CarlFK[m]mithro (IRC): I think I did23:37
CarlFK[m]er wrong branch23:38
CarlFK[m]found em... fixing23:38
CarlFK[m]mithro (IRC): removed and pushed23:50
futarisIRCcloud_florent_ & mithro: My Oscilloscope screenshots make no sense. CH1 = CLK, CH2 = HSYNC, CH3 = VSYNC, CH4 = G023:51
futarisIRCcloudI'm gonna reflash the Vivado Example again to make sure23:51
futarisIRCcloudFrom the Vivado example:23:56

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