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  1. Sorry about the delay - I've been on vacation. I...

    Sorry about the delay - I've been on vacation. I will try later today!
  2. p.s. FYI just did another test with Teensy to...

    p.s. FYI just did another test with Teensy to verify that it fails after Adafruit succeeds and it behaves just like before (i.e. it still drops data and hangs the serial monitor)

    NOTE: I can stop...
  3. Just tested with a Feather M0 Bluefruit, and a...

    Just tested with a Feather M0 Bluefruit, and a Trinket M0. Both work as expected - not hanging and not dropping data - settling around 5500 lines/sec.

    Tried multiple uploads and power cycles on...
  4. Paul, let me know if you'd like me to test...

    Paul, let me know if you'd like me to test anything else.

    The only hint I've got to think about is something to do with serial modems in the OS - sometimes in the network preferences teensy will...
  5. Now using a Teensy LC (left the 3.6 at home,...

    Now using a Teensy LC (left the 3.6 at home, sorry for the change but the behaviour is the same).

    First upload. Actually worked fine but Arduino Serial Monitor hung after a second or so.
    16575...
  6. It has existed since at least Sierra. High Sierra...

    It has existed since at least Sierra. High Sierra did some fixes to serial in the OS that we hoped would fix the problem but didn't seem to.
  7. Just as a reminder - the missed data and hanging...

    Just as a reminder - the missed data and hanging only happens when USB Type is set to something including Serial. If it's set to Raw HID then the serial printout works perfectly (but only in Arduino...
  8. Forget what I said on twitter, I found a 3.6! ...

    Forget what I said on twitter, I found a 3.6!

    Ok this first test is Arduino 1.8.8, macOS 10.13.6, Teensduino 1.45. I'll update to latest and try again in a bit.

    Old usb_serial.c (included...
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    Can confirm that the mac slow gui issue seems to...

    Can confirm that the mac slow gui issue seems to be fixed with original Arduino 1.8.6 and Teensyduino 1.42-beta3 (menu loading was slow right before installing teensyduino and fast after)!

    macOS...
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    MacOS 10.13.3, Arduino 1.8.5, Teensy 3.6, USB...

    MacOS 10.13.3, Arduino 1.8.5, Teensy 3.6, USB Type: Serial, Teensyduino 1.42-beta4

    Serial Monitor no longer skips prints but it stops responding after an apparently random number of loops (or...
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    Awesome! Thanks for testing! I thought it would...

    Awesome! Thanks for testing! I thought it would be much more complex but I think I was going on old info. I will do some further tests in the next week or so and confirm that it works for me too.
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    Start off on this page...

    Start off on this page for the Octows2811. Make sure to scroll down (there is a white space gap)!

    Instead of several rows of strips, just consider the matrix to be a single strip of 256 (8x32).
    ...
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    Hey, I submitted an issue on github for this but...

    Hey, I submitted an issue on github for this but probably should have just posted here... I'd just like to bump this and see if there is time to take another pass at it?

    If there is and you need...
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    This is old but if anyone comes across it looking...

    This is old but if anyone comes across it looking for an answer: https://github.com/PaulStoffregen/WS2812Serial (scroll to the bottom)

    tldr; you are correct. Physically connect whichever pin you...
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    Arduino 1.8.5, macOS 10.13.3, teensy loader...

    Arduino 1.8.5, macOS 10.13.3, teensy loader 1.42-beta3, teensy 3.1

    Still not working. Teensy Loader verbose log attached. One instance of teensy_ports in activity monitor even after multiple...
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    Ok thanks! Must some deeper-seated problem with...

    Ok thanks! Must some deeper-seated problem with my computer. Weird that it only happens with Teensy though. I've also attached a sanity check screenshot on my end. (I get that "error occurred while...
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    Thanks for checking! Same results if you...

    Thanks for checking! Same results if you re-upload a few times?
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    Had this problem for a long time but just used...

    Had this problem for a long time but just used rawHID plus Arduino Serial monitor for debugging. I've finally updated to Sierra (10.12.6) and was excited that this would be gone but the problem is...
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    Pull the pin low to reset. ...I have no source,...

    Pull the pin low to reset. ...I have no source, just tried it and that's what works.
  20. p.s. I'm also getting a "Teensy Loader is unable...

    p.s. I'm also getting a "Teensy Loader is unable to read your compiled sketch (r) This error should never happen." on the first upload after I switch USB Type. I think every time. If I just hit...
  21. I have had this problem for a long time now too....

    I have had this problem for a long time now too. Currently on Arduino 1.8.0, Teensyduino 1.34, OS X 10.11.6.

    Edit: Changing to Raw HID also removes for me, but then I have to use Arduino Serial...
  22. Does it only do this when you try to monitor in...

    Does it only do this when you try to monitor in RealTerm (which I assume you are doing from the last post), or also when you try to use the Arduino Serial Monitor? I would suggest to try closing all...
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    Yeah or just swap the file entirely. Anyway,...

    Yeah or just swap the file entirely.

    Anyway, might be a slightly different problem. FYI for anyone who might be still be having problems with this: mine seems to be a complete crap shoot; once in...
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    DANGIT nevermind. The problem is so intermittent...

    DANGIT nevermind. The problem is so intermittent that it appeared to be working for a while but actually isn't. Even after increasing:

    if (tx_full_count >= 15) {

    Anyway it still might work for...
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    El Capitan USB Serial workaround updated for 1.34

    Paul + harrih

    The workaround in usb_serial.c that I found in the 1.26 beta 1 release thread worked for me. I'm currently using arduino 1.8.0, teensy 1.34, OS X 10.11.6.

    I guess the fix was...
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