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  1. With USBHost_t36 stuff, I will often try to...

    With USBHost_t36 stuff, I will often try to capture the USB traffic to analyze it.

    You can have some luck with Software tools, like Wireshark to capture some of it.

    In other cases, I use my...
  2. Serial monitor at times has some issues - I...

    Serial monitor at times has some issues -
    I assume you clicked to open the Serial Monitor and see the windowpane at the bottom of the window, that should have your Serial output. (Same place as...
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    Sorry, not sure what you are asking. Yes, the...

    Sorry, not sure what you are asking.

    Yes, the teensy can obviously complete circuits. For example, it can turn on LEDS, and the like.
    But I don't think you are trying to ask for the trivial...
  4. Sorry, it is probably just me, but I don't...

    Sorry, it is probably just me, but I don't understand what you are asking.

    If you are asking, can you somehow configure the Teensy USB type to mimic (or simply pass through) all of the USB traffic...
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    No. They are all 3.3v

    No. They are all 3.3v
  6. Paul - I created a new thread... I have not...

    Paul - I created a new thread... I have not edited the ones above. Probably Defragster would be better at transferring the applicable information from those postings into the other thread.
  7. Arduino IDE2 - Serial Monitor sometimes does not work - continue from Upload Thread

    As requested by Paul,


    Oops sorry I am not @Defragster ;)

    For those things not specific to uploads failing.
    In particular to the sometimes case where the Serial Monitor windowpane does not...
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    Sticky: Personally, I prefer using IDE2.... For those...

    Personally, I prefer using IDE2.... For those rare cases where you need to setup some of the T4.x security stuff, you can always startup the 1.8.19... But for most other things I prefer IDE2.
    (Other...
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    Different error: ...

    Different error:


    C:\Users\ccc\Downloads\audio-guestbook-main\audio-guestbook-main\audio-guestbook\audio-guestbook.ino:37:111: fatal error: MTP_Teensy.h: No such file or directory


    I am...
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    You might look at the Arduino IDE issue:...

    You might look at the Arduino IDE issue: https://github.com/arduino/arduino-ide/issues/1030
    It shows a workaround
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    Sticky: Yes this is a known issue. The IDE2 does not yet...

    Yes this is a known issue. The IDE2 does not yet have the hooks to allow Paul to add it.
    There are existing Arduino IDE2 issues, like:
    https://github.com/arduino/arduino-ide/issues/1242...
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    SerialFlash library should have been included in...

    SerialFlash library should have been included in your Teensyduino install.

    For example, building an audio sketch using IDE2 I see:
    Using library SerialFlash at version 0.5 in folder:...
  13. A lot of this simply depends on the SPI clock...

    A lot of this simply depends on the SPI clock speed:
    The display begin method has options to change the default 30mhz.


    #elif defined(__IMXRT1052__) || defined(__IMXRT1062__) // Teensy 4.x...
  14. Yes some of the pins, do allow to you to use some...

    Yes some of the pins, do allow to you to use some other specific pins.

    The product card tries to show you the default pin and alternates:

    For example for Serial1
    The default pins for RX and...
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    As I may have mentioned in the other thread: ...

    As I may have mentioned in the other thread:
    For my own boards (only hobby use), I have ordered them from: https://www.pcbway.com/

    They often will have the boards ready to ship within a day and...
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    As you mentioned GPIO_B0_03 is used as logical...

    As you mentioned GPIO_B0_03 is used as logical pin 13 on the Teensy 4, 4.1...

    And on the 12 x 12mm IMX it is on the 12 x 12 BALL named: D8
    Which you can find in the IMXRT data sheets. Which you...
  17. As mentioned in the first post, there is a forum...

    As mentioned in the first post, there is a forum thread up on the Arduino forum on this: https://forum.arduino.cc/t/ide-2-0-2-forgets-how-to-upload/1054971

    I just posted a little up there,...
  18. Yes it looks like no one has added the support...

    Yes it looks like no one has added the support for the Teensy boards into those files.

    There is some stuff in the Adafruit_TFTLCD.cpp and .h that checks for Teensyduino
    Like:
    #if defined...
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    Only USBDrive has the two methods: uint8_t...

    Only USBDrive has the two methods:

    uint8_t getHubNumber() { return hubNumber; }
    uint8_t getHubPort() { return hubPort; }


    Any device has that information available to it:
    That is any...
  20. Note: there is additional stuff in my version of...

    Note: there is additional stuff in my version of the library: https://github.com/KurtE/ILI9341_t3n

    The code has the concept of center,
    Where you can output a string and have it centered at the...
  21. Sounds good, tried it and so far no problems, but...

    Sounds good, tried it and so far no problems, but I have not stressed it yet
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    Look at chapters 37-40 in the IMXRT reference...

    Look at chapters 37-40 in the IMXRT reference manual, and if you have not already downloaded it, you can from the PJRC webpage: https://www.pjrc.com/store/teensy41.html#tech

    For example, some of...
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    Was not enough room on card for Paul to fit...

    Was not enough room on card for Paul to fit everything. But if you look at at other boards cards, yellow shows digital audio.
    Edit, I see Paul beat me to it.


    As I have mentioned before, I have...
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    Which sensor? Do you have a link to it? Which...

    Which sensor? Do you have a link to it?
    Which Teensy?
    Which library? Which You mntioned STM, and I see that Adafruit directs you to the ...
  25. It may or may not help in this, case, but...

    It may or may not help in this, case, but sometimes I have had issues where maybe the carrier board was not making full contact with all of the pins. So, I would take it out, reseat it and re...
  26. There is blink information on the page:...

    There is blink information on the page: https://www.pjrc.com/store/ic_mkl02_t4.html
    Look toward the end of it, under troubleshooting.

    Not sure it would help in this case, but you might try the...
  27. We have nothing in there that is deliberately...

    We have nothing in there that is deliberately trying to slow it down.

    And I am assuming you are using the USBSerial_BigBuffer class to handle it. That is if it is marked as High Speed,
    it will...
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    Sorry, I know I am late to the table. ...

    Sorry, I know I am late to the table.

    Sometimes, with things like, this it is simplest to look at the sources: For example, for T4.x

    If you look at the implementation, it will start of like:...
  29. Sorry, I have no idea in this case on what the...

    Sorry, I have no idea in this case on what the limits will be for your device.

    Once things are setup, the code simply sends the buffers to the other side...

    There are lots of things that can...
  30. Note: In all cases like this, it would help if...

    Note: In all cases like this, it would help if showed a small sketch showing what you are trying to do:

    For example, what are you calling: SerialX.begin(...) with?

    That is, the 7-bit support...
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    In your first case, you are sending it about 50...

    In your first case, you are sending it about 50 times per second. In the second case you are sending it continuously.

    Sometimes for debugging things like this without a scope or logic analyzer,...
  32. Thread: Teensy MicroMod

    by KurtE
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    The MicroMod is not exactly like a T4 or T4.1 but...

    The MicroMod is not exactly like a T4 or T4.1 but is related to both. That is they have all have a lot of common pins, especially in the lower pin numbers, but in higher ones they are all different....
  33. For the most part it does not matter, in this...

    For the most part it does not matter, in this case.

    That is you could also do: USB_serial.write(DATA, 199400);
    But then again, the USBSerial class does not overwrite this, and as such uses the...
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    Quick update. Trying to see if I can use this to...

    Quick update. Trying to see if I can use this to talk to some other Bluetooth hardware. SO far, no luck with XBOX One controller.

    However, the Micrsoft Mouse:


    Bluetooth® Low Energy Central...
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    Side note: If you are using the current released...

    Side note: If you are using the current released copy of Teensyduino (or anything before the current Beta versions), then the addr2line stuff works great.

    For the current Teensyduino betas using...
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    As mentioned, it is often times hard to help, if...

    As mentioned, it is often times hard to help, if we do not see what code you are trying to run. Likewise, on how the display is hooked up to the teensy. Which display is it? Do you have a link to...
  37. For what it is worth, for some programs in the...

    For what it is worth, for some programs in the past, before tone I had a quick and dirty version of sound output, that did what I needed, like to let me know the robot got the last command from the...
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    I used the Local stuff earlier to for example add...

    I used the Local stuff earlier to for example add MTP + Serial, before it was officially added, and it was a lot nicer than having to edit Boards.txt each time.

    But sometimes it did require...
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    USBHost Bluetooth -> BLE -> ArduinoBLE?

    I thought I would mention, that @mjs513 and myself, have been working on updating the Bluetooth support within the USBHost library.
    Hopefully soon we will have setup to do a Pull request into the...
  40. Some other things to try to look at, a) Is...

    Some other things to try to look at,

    a) Is there any pacing of stuff from the host to it. For example, the Init code, are there pauses or the like, for example one command might be a reset, and...
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    As far as I know, the boards.txt are not part of...

    As far as I know, the boards.txt are not part of any github project.

    Do you need to change the boards.txt and platform.txt files? or can you get away with just adding new items? If just adding...
  42. Sorry, I have been MIA here for a couple of days,...

    Sorry, I have been MIA here for a couple of days, been investigating some other things (Bluetooth...) And only so many things I can keep straight at time. (Usually, about 0 ;) )

    As Paul...
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    Sorry I have not played much with his library,...

    Sorry I have not played much with his library, but guessing:

    Like in example Master.ino

    SPI_MSTransfer_MASTER<&SPI, 10, 0x1234> mySPI1234;
    SPI_MSTransfer_MASTER<&SPI, 10, 0x4567> mySPI4567;
    ...
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    I am wondering if this is something you should...

    I am wondering if this is something you should create an issue against the SDFat library.

    It may be some specific condition, where this shows it up on FAT32 on 16GB SDs, where who knows maybe on...
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    Wondering if others are seeing this same issue. ...

    Wondering if others are seeing this same issue. Here is a modified version of it that I just ran on a 64gb card (Assume ExFat) and on an 4GB card that is Fat32
    Note I am running on IDE2...

    ...
  46. What is current sample set to? Nullptr?

    What is current sample set to? Nullptr?
  47. If it reboots, maybe it is crashing Try adding...

    If it reboots, maybe it is crashing

    Try adding something like this at start of your program:


    if (!Serial && millis() < 3000) ; // wait up to 3 seconds for serial
    if...
  48. Look at the SD example listfiles (File ->...

    Look at the SD example listfiles (File -> examples -> SD -> listfiles)
  49. You could simply enumerate the directory and grab...

    You could simply enumerate the directory and grab the parts out of it and then decide what you wish to do with it.
    Note: I do most of it with SD library wrapper, but similar...
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    In another recent thread...

    In another recent thread https://forum.pjrc.com/threads/71385-Teensy-4-0-SPI-MOSI-delay-behavior?p=314943&viewfull=1#post314943

    I think in theory you can setup the registers to try at something...
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