The Final Revision

Discussion in 'Pyra News' started by EvilDragon, Jul 22, 2018.

  1. levi

    levi Still fresh, damnit!

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  2. Caine

    Caine Hardcore Member

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    Oh no. This is the start of another youtube journey through British comedy sketches. I just know it.
     
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  3. God Ginrai

    God Ginrai Godmaster

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    You say that like more Monty Python is a bad thing... :cool:

    -God Ginrai
     
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  4. Pyramancer

    Pyramancer Active Member

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    You're missing the "title" text from this comic [1]: "Fortunately, the charging one has been solved now that we've all standardized on mini-USB. Or is it micro-USB? Shit."

    [1] https://xkcd.com/927/
    --- Double Post Merged, Aug 16, 2018, Original Post Date: Aug 16, 2018 ---
    I've been idly thinking that the Pyra really needs a VGA connector. And a 25-pin RS-232 port could prove useful. And a kitchen sink would also be a nice-to-have, so that we can brag it's got one. And a connector for a docking station. So many interesting things to think about for an imaginary future version!
     
    Last edited: Aug 16, 2018
  5. levi

    levi Still fresh, damnit!

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    You can find many examples of USB RS232 adaptors, and 15-pin VGA adaptors too. I'm not aware of any USB kitchen sinks, but it's fair to say I've not actually checked. And I've never come across 15-pin RS232 either; it's always come on a DE-9 or a DB-25 where I am.
     
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  6. ClockworkCoder

    ClockworkCoder Chaotic Neutral

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    In other news I can see (an interesting message in the Pyra newsgroup) that @hns has been doing some amazing work fixing an intermittent issue with the modem powering down.

    Most credit goes to ED, but there are plenty of other relatively unsung heroes...
     
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  7. Pyramancer

    Pyramancer Active Member

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    Indeed. But they don't work reliably (I've tried both FTDI and Prolific chipsets), especially with slower devices with which reliable flow control is essential.

    Yup, that was a typo. I've corrected it now. Thanks. (I've been using a full-sized keyboard for a few days, and coming back to the compact keyboard on my laptop, my "2"-finger reaches the "1" key!)
    --- Double Post Merged, Aug 16, 2018, Original Post Date: Aug 16, 2018 ---
    Strictly speaking this overvoltage design flaw is a consistent issue that was intermittently observered, rather than an intermittent issue. What a _huge_ relief that it can be worked around in software! (A board revision and another year's wait would have been A Very Horrible Thing.)

    One can't help feeling, though, that this mistake should have been discovered when the prototypes were being tested last summer. Perhaps there is a lesson to be learned here and the test procedures can be made more thorough/complete.
     
    Last edited: Aug 16, 2018
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  8. ClockworkCoder

    ClockworkCoder Chaotic Neutral

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    To be fair, practically 100% of hardware/software issues can be predictably recreated once the underlying issue(s) are identified. The hardest part is usually identifying those root causes.

    And yes, it is a huge relief :)

    Regarding any "should have": hindsight is a great thing in terms of identifying what _could_ have been proactively done, but what matters most is that the issue has now been identified and fixed.
     
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