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    Sticky: I've updated the USB MIDI page. ...

    I've updated the USB MIDI page.

    https://www.pjrc.com/teensy/td_midi.html

    Hopefully I got all the new stuff in. Please let me know if you see any issues?
  2. I'll talk with Robin and see if we can do this. ...

    I'll talk with Robin and see if we can do this. Some things are easy with vBulletin, and other stuff you'd think should be easy, well, isn't.

    If not, I do know we can add you to the "Senior...
  3. If the power supply doesn't turn out to be the...

    If the power supply doesn't turn out to be the problem, any chance you could set up that other Teensy to send a well defined batch of MIDI messages to reproduce the problem? Then I could wire it up...
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    Robin's updating the settings right now. It's...

    Robin's updating the settings right now. It's supposed to display "Senior Member+". No actual change in forum settings.
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    Sticky: This is the full list of changes, from 1.40 to...

    This is the full list of changes, from 1.40 to 1.41:



    Add IntervalTimer update()
    Ethernet fix socket receive state caching bug
    Ethernet improve handling of unexpected remote server...
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    Good point on the wording. It does kinda say 1.9...

    Good point on the wording. It does kinda say 1.9 is expected, when my intention was only to make sure everyone had exactly the same 1.9 which I used for building the installer. Next time (if there...
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    That's an interesting idea, but it kind of goes...

    That's an interesting idea, but it kind of goes against everything I try to do for software version numbers.

    My main feeling is software version numbers are too complicated. I try to stay with...
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    I dropped Arduino 1.9 beta support from the final...

    I dropped Arduino 1.9 beta support from the final 1.41 release. Clearly 1.9 beta is too buggy for any serious use.

    Still not sure how we can better communicate the nature of beta tests to new...
  9. You really should look at the audio library...

    You really should look at the audio library tutorial, rather than focus on rtos stuff.
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    The Arduino IDE is supposed to show a progress...

    The Arduino IDE is supposed to show a progress bar as it compiles all the code. Sadly, the animation isn't very smooth. Perhaps if Arduino actually managed to animate that progress bar every half...
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    No, not possible. The chip specifically designed...

    No, not possible. The chip specifically designed to prevent people from being able to extract and copy the code.
  12. Would it be ok to include this in the examples...

    Would it be ok to include this in the examples that ship with Teensyduino?

    I'd like to give you credit in the comments. How best to do that? "oddson"?

    The other examples have "This example...
  13. Thanks. I'll reply on that thread. Please take...

    Thanks. I'll reply on that thread. Please take a look (your emails might be bouncing...)
  14. @oddson - Did you have any USB MIDI programs...

    @oddson - Did you have any USB MIDI programs using ResponsiveAnalogRead and/or Keypad or other inputs which could become examples in the File > Examples > Teensy > USB_MIDI menu? I'm close to...
  15. This is kind of a 2 part question. The first...

    This is kind of a 2 part question. The first part, about FreeRTOS really revolves around the meaning of the word "support". A salesman would of course say yes, if any port of FreeRTOS can run on...
  16. Download a fresh copy from Arduino's website. ...

    Download a fresh copy from Arduino's website. Get the ZIP file. Extract it somewhere you can remember and easily find when running the installer, maybe even directly at C:\

    Before running the...
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    We do have 25 of those MK20 chip you can buy. ...

    We do have 25 of those MK20 chip you can buy. Email is best. Her direct email is robin at pjrc dot com.
  18. Maybe you could post a complete program which...

    Maybe you could post a complete program which merely sends 1 byte every 10 ms, or something else very simple? Then we could actually run your code and watch with an oscilloscope or logic analyzer.
    ...
  19. Great. Looking forward to seeing the project. ...

    Great. Looking forward to seeing the project.

    On the hardware timers in different boards, this table is the best info.

    https://www.pjrc.com/teensy/techspecs.html
  20. I've updated the web page for the latest MIDI...

    I've updated the web page for the latest MIDI library (4.3.1).
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    All signs point to 1.9.0 beta continuing for...

    All signs point to 1.9.0 beta continuing for quite a long time.

    I'm debating whether to leave 1.9.0-beta34 support, or pull it and only officially support 1.8.5.




    You need to understand...
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    I'm leaning towards releasing 1.41. If anyone...

    I'm leaning towards releasing 1.41. If anyone knows of any serious issues or stuff I've forgotten, please speak up now. ;)
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    At this time I have no plans for Windows Store...

    At this time I have no plans for Windows Store support.

    But even if I did, Windows RT (ARM) support would first depend on Arduino supporting Windows RT. The first big obstacle is the gcc...
  24. Very likely something not connected as intended. ...

    Very likely something not connected as intended. Maybe try showing us some photos of how you've actually connected all the parts & wires?

    Or maybe use a DC voltmeter to measure the power actually...
  25. It's been a while since I've worked with the...

    It's been a while since I've worked with the IRremote code, but I believe it's designed to never transmit and receive at the same time.

    Even if you could do full duplex from the software, to...
  26. Yes, that's right, a wire from pin 1 to 17 will...

    Yes, that's right, a wire from pin 1 to 17 will do it. Or a wire from pin 24 to 17 would also work, if you want use pin 1 for non-serial stuff.

    Setting pin 17 to INPUT mode is optional. The pins...
  27. Yes, you could configure WS2812Serial to transmit...

    Yes, you could configure WS2812Serial to transmit on pin 5, 8 or 20.

    The Octo adapter is simply a 3.3V to 5V buffer for 8 signals, plus impedance matching resistors and convenient RJ45 connectors...
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    Most likely the display not working at all. Less...

    Most likely the display not working at all. Less likely, corrupted pixels or erratic performance.
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    The udev rule does more than merely the...

    The udev rule does more than merely the permissions on this serial device. It also allows permissions on usbfs device nodes (used for non-serial access), and it tells the pesky Gnome Modem Manager...
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    "rw-rw----" is a sure sign the udev rules file is...

    "rw-rw----" is a sure sign the udev rules file is not installed.

    See step #2 on the download page.

    https://www.pjrc.com/teensy/td_download.html

    When you get the udev rules file in place,...
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    Does this display work reliably with 1 MHz I2C...

    Does this display work reliably with 1 MHz I2C speed? Just curious?

    And did you add pullup resistors, or just using whatever resistors are already on the display? I ask because this high speed...
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    Is this the code you're using to observe whether...

    Is this the code you're using to observe whether OctoWS2811 is working?


    void colorWipe(int color)
    {
    int i = 6 * 60 + (int)d % 60 ;
    leds.setPixel(i, color);
    //leds.show();
    ...
  33. I'm running it now on a Teensy 3.6 and watching...

    I'm running it now on a Teensy 3.6 and watching the USB communication with a protocol analyzer.

    I can see the Teensy keeps communicating. But for some reason, Linux stops moving the cursor after...
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    Maybe try this library? ...

    Maybe try this library?

    https://github.com/luni64/TeensyStep
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    Can you try editing the file "C:\Programs Files...

    Can you try editing the file "C:\Programs Files (x86)\Arduino\arduino.l4j.ini" ? It should have these 2 lines:


    -Xms128M
    -Xmx512M

    The second one with 512M is supposed to control the maximum...
  36. This is a well known problem, where WS2812 LED...

    This is a well known problem, where WS2812 LED update disables interrupts, interfering with serial communication and other libraries requiring interrupts.

    WS2812Serial is probably the answer. To...
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    Has anyone using Macintosh tried this beta? Are...

    Has anyone using Macintosh tried this beta? Are there any Gatekeeper "unidentified developer" warnings?

    It seems to work fine on the 1 and only macbook air I have running the latest High Sierra. ...
  38. Watch the Teensy Loader window when you press the...

    Watch the Teensy Loader window when you press the button on the Teensy. You should see it show your Teensy and "Programming" then "Reboot OK". The programming goes quickly, so it's easy to miss if...
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    Maybe this is a misunderstanding about how to...

    Maybe this is a misunderstanding about how to connect the 4.7K resistors?

    The SDA & SCL signals from the chip connect directly to Teensy. Then you connect a resistor between each signal and 3.3V....
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    An unlisted video on youtube is perfectly fine. ...

    An unlisted video on youtube is perfectly fine. Feel free to email me the link if you like, but please also include a link to this thread so I can see the background info.
  41. Any chance you could confirm with 1.41-beta4...

    Any chance you could confirm with 1.41-beta4 (the latest code)?

    If using Windows, just download the ZIP file copy of Arduino 1.8.5. Don't run the .EXE installer, since it will try to uninstall...
  42. With OctoWS2811, no, the output is always 8...

    With OctoWS2811, no, the output is always 8 signals. There is no way to disable the other 7. But it's perfectly fine to just leave the other 7 unused.

    You can use WS2812Serial instead of...
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    I've uploaded the Mac version. Can anyone with...

    I've uploaded the Mac version.

    Can anyone with a modern Mac please let me know if Gatekeeper allows you to run it without any complaints? This is the first build with a fresh new certificate from...
  44. Teensy 3.2 uses the same numbers for interrupts...

    Teensy 3.2 uses the same numbers for interrupts and pins. So pin 2 is interrupt 2 on Teensy 3.2.

    Arduino Uno, the most popular Arduino board, has only 2 pins which support interrupts. It uses...
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    Very unlikely to work. But you could try anyway,...

    Very unlikely to work. But you could try anyway, if you're willing to lose a small handful of parts and several hours of your time to the experiment.

    If you're going to need only a moderate...
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    I'd really like to know why it didn't work on the...

    I'd really like to know why it didn't work on the 1st computer. The dmesg info in message #66 looks like Teensy is working properly, and you had Tools > USB Type in Arduino set to Serial (the...
  47. About the EthernetServer class limitation,...

    About the EthernetServer class limitation, detecting clients which do not transmit data upon connecting, let's call this problem "EthernetServer can't do FTP".

    Even if the Arduino devs allow me to...
  48. Indeed that would be odd, if the lockup were only...

    Indeed that would be odd, if the lockup were only due to overclocking the SPI.

    But apparent lockups are surprisingly common for all sorts of other reasons. To illustrate, let me describe for you...
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    Could you please be more specific. Exactly which...

    Could you please be more specific. Exactly which versions did you test? When have the memory problem on your machine, and which do not? Click Help > About to check which version you're running, if...
  50. Many of these are too slow, especially this type...

    Many of these are too slow, especially this type with 1 mosfet and 2 resistors per signal. Other people have reported exactly this same problem, using shiftOut and '595 shift register chips, where...
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