#glasgow on 2020-07-04 — irc logs at freenode.irclog.whitequark.org

2020-06-03 21:11 ChanServ changed the topic of #glasgow to: glasgow debug tool · code https://github.com/GlasgowEmbedded/glasgow · logs https://freenode.irclog.whitequark.org/glasgow · discord https://1bitsquared.com/pages/chat · production https://www.crowdsupply.com/1bitsquared/glasgow · no ETAs at the moment

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06:24 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark pushed 1 commit to use-yowasp [+0/-0/±1] https://git.io/JJklz

06:24 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark e31afc6 - CI: use YoWASP instead of custom Yosys/nextpnr build scripts.

06:24 <_whitenotifier-b> [glasgow] whitequark created branch use-yowasp - https://git.io/fhhGp

06:26 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark pushed 1 commit to use-yowasp [+0/-0/±1] https://git.io/JJkla

06:26 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark 2ef6d7f - CI: use YoWASP instead of custom Yosys/nextpnr build scripts.

06:34 <_whitenotifier-b> [glasgow] Success. The Travis CI build passed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704861992?utm_source=github_status&utm_medium=notification

06:36 <_whitenotifier-b> [glasgow] Success. The Travis CI build passed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704862149?utm_source=github_status&utm_medium=notification

06:37 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark pushed 1 commit to master [+0/-0/±1] https://git.io/JJkl7

06:37 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark 2ef6d7f - CI: use YoWASP instead of custom Yosys/nextpnr build scripts.

06:37 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark deleted branch use-yowasp

06:37 <_whitenotifier-b> [glasgow] whitequark deleted branch use-yowasp - https://git.io/fhhGp

06:37 <whitequark> eggcellent, now CI isn't doing that awful hack anymore

06:37 <whitequark> the builds are even much faster lmao

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09:07 <_whitenotifier-b> [GlasgowEmbedded/archive] whitequark pushed 2 commits to master [+2/-0/±0] https://git.io/JJkB9

09:07 <_whitenotifier-b> [GlasgowEmbedded/archive] whitequark 007b6ec - Add G00053.

09:07 <_whitenotifier-b> [GlasgowEmbedded/archive] whitequark 38b5138 - Add G00054.

09:07 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark pushed 2 commits to master [+0/-0/±3] https://git.io/JJkBH

09:07 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark b6d4c02 - applet.sensor.pmsx003: unmark as preview.

09:07 <_whitenotifier-b> [GlasgowEmbedded/glasgow] whitequark ad77968 - applet.sensor.pmsx003: add documentation references.

09:17 <_whitenotifier-b> [glasgow] Success. The Travis CI build passed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704877563?utm_source=github_status&utm_medium=notification

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13:10 <_whitenotifier-b> [glasgow] Success. The Travis CI build passed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704906253?utm_source=github_status&utm_medium=notification

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20:07 <_whitenotifier-b> [GlasgowEmbedded/glasgow] electroniceel pushed 1 commit to wip-revC2 [+0/-0/±1] https://git.io/JJk9C

20:07 <_whitenotifier-b> [GlasgowEmbedded/glasgow] electroniceel b005266 - revC2: place new TVS diodes for port B

20:07 <_whitenotifier-b> [glasgow] electroniceel synchronize pull request #196: WIP revC2 - https://git.io/JfXxO

20:19 <_whitenotifier-b> [GlasgowEmbedded/glasgow] electroniceel pushed 1 commit to wip-revC2 [+0/-0/±1] https://git.io/JJk99

20:19 <_whitenotifier-b> [GlasgowEmbedded/glasgow] electroniceel 23d96b8 - revC2: re-shuffle silkscreen labels ("Glasgow", creators, ports, OSHW, Sync) to work with the new TVS diodes

20:19 <_whitenotifier-b> [glasgow] electroniceel synchronize pull request #196: WIP revC2 - https://git.io/JfXxO

20:19 <_whitenotifier-b> [glasgow] Success. The Travis CI build passed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704990653?utm_source=github_status&utm_medium=notification

20:39 <_whitenotifier-b> [glasgow] Success. The Travis CI build passed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704992312?utm_source=github_status&utm_medium=notification

20:45 <_whitenotifier-b> [glasgow] Failure. The Travis CI build failed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704990640?utm_source=github_status&utm_medium=notification

20:53 <electronic_eel> esden: whitequark: after thinking a bit more about the power sequencing and reset circuit, I think a found a solution to simplify it without compromising on reliability: https://imgur.com/WGbweec

20:55 <electronic_eel> the MAX809J will switch off the 3v3 regulator and also immediately bring the fx2 into reset via the diode, so for example the vios are switched off before the 3v3 rail goes unstable

20:56 <electronic_eel> once the MAX809J sees that vbus is ok again, the 3v3 rail is switched on again. the rc circuit will keep the fx2 into reset for at least 5 msec (this is the minimum time for a full reset from the ds)

20:57 <_whitenotifier-b> [glasgow] Failure. The Travis CI build failed - https://travis-ci.org/github/GlasgowEmbedded/glasgow/builds/704992302?utm_source=github_status&utm_medium=notification

20:57 <electronic_eel> the other stuff on the i2c bus is reset too because the 3v3 rail was switched off

20:58 <electronic_eel> if the 3v3 rail should dip (overload or whatever), the other part of the double-diode will also instantly activate reset and make sure the reset time will start fresh when the rail stabilizes again

21:03 <electronic_eel> oh, and the ds of the fx2 specifies that the reset input has a schmitt-trigger, so no problem with it rising slowly

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