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| rohitksingh | xobs, mithro: Hi! :) https://twitter.com/johndmcmaster/status/1078249569660604416 Happy hacking with tinyusb and fomu! I spot esden also in the corner | 11:38 |
|---|---|---|
| mithro | rohitksingh: Your at 35c3? | 11:53 |
| mithro | rohitksingh: Did you see I fixed the build for the Mimas A7? | 11:53 |
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| rohitksingh | mithro: oh, no...I just saw you and xobs in the JohnDMcmaster's tweet. | 13:08 |
| rohitksingh | mithro: Yup, I saw you rebuilt the Xilinx toolchain archive :) | 13:09 |
| rohitksingh | I'm currently trying to get video target on Mimas A7 to work | 13:09 |
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| rohitksingh | mithro/_florent_: can you point me how to remove/disable existing triggers in litescope? | 13:48 |
| tumbleweed | 37 | 14:08 |
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| _florent_ | rohitksingh: i can help but i'm not sure to understand your question sorry | 15:25 |
| CarlFK | mithro: are you talking? or really, which stream should I play for the next few days? | 15:32 |
| xobs | He's speaking tomorrow. | 15:32 |
| xobs | Clarke: https://fahrplan.events.ccc.de/congress/2018/Fahrplan/schedule/2.html | 15:32 |
| tpb | Title: Schedule – 2018-12-28 | Schedule 35th Chaos Communication Congress (at fahrplan.events.ccc.de) | 15:32 |
| CarlFK | thanks | 15:33 |
| CarlFK | according to this, there is only one track: music. https://fahrplan.events.ccc.de/congress/2018/Lineup/events.html | 15:33 |
| tpb | Title: Events | Schedule 35C3 Art'n'Beauty Fahrplan (ABFahrplan) (at fahrplan.events.ccc.de) | 15:33 |
| xobs | That's the "Art'n'Beauty Fahrplan" | 15:34 |
| xobs | https://fahrplan.events.ccc.de/congress/2018/Fahrplan/events.html | 15:35 |
| tpb | Title: Events | Schedule 35th Chaos Communication Congress (at fahrplan.events.ccc.de) | 15:35 |
| CarlFK | ah I see what happened. websites are hard. | 15:35 |
| rohitksingh | _florent_: sorry if I wasn't clear....I meant, if I add any trigger to litescope using add_rising_edge_trigger() function and then run the analyser, but if that trigger never fires, then is there any way to disable that trigger (or force capture/fire the analyser immediately) | 15:54 |
| rohitksingh | _florent_: also one similar doubt: sometimes the trigger fifo becomes full (most likely because I'm not using it correctly)...is there any way to reset/empty it? | 15:55 |
| rohitksingh | _florent_: does this capture look weird to you in any way? https://www.dropbox.com/s/ii6q555bt11pt8s/Screenshot_20181227_221240.png?dl=0 It is the litescope capture of hdmi out core's dma and timing generator modules...I can't figure out what's wrong with the litevideo...it is not giving any output (not even pattern) | 16:54 |
| tpb | Title: Dropbox - Screenshot_20181227_221240.png (at www.dropbox.com) | 16:54 |
| rohitksingh | issue is with mimas_a7's video target. even nexys_video's video target seems broken due to regression | 16:55 |
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| rohitksingh | _florent_: okay, further info which may help figure the issue: the vsync frequency is 6Hz instead of expected 60Hz https://www.dropbox.com/s/ceutcxy0tlreqta/Screenshot_20181228_010121.png?dl=0 seems to be either issue with TimingGenerator module or MMCM/PLL clock configuration in gateware/firmware....any ideas? | 19:39 |
| tpb | Title: Dropbox - Screenshot_20181228_010121.png (at www.dropbox.com) | 19:39 |
| rohitksingh | ^ first trace is of vsync from "Driver" module, second is for vsync from "TimingGenerator" module, same frequency | 19:41 |
| rohitksingh | okay, got it....the pixel clock itself is 6.5MHz, thanks to the help from cr1901_modern's frequency counter | 20:10 |
| rohitksingh | mithro/_florent_: looks like the issue might be with the dynamic MMCM configuration in firmware...trying to pin-point the main problematic code... | 21:14 |
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| futarisIRCcloud | rohitksingh: We were fiddling around with the clocks on series 7 FPGAs around this time last year, to get VGA out working. | 22:38 |
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