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    Maybe somewhere on this thread: But from the...

    Maybe somewhere on this thread: But from the thread: https://forum.pjrc.com/threads/63958-Schematic-error-in-T4-0-or-T4-1-on-SD-pins

    The SDIO pins on the schematic have the signal names reversed...
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    Yep looks like a Bug on the schematic label of...

    Yep looks like a Bug on the schematic label of pins 38 and 39 on T4.
  3. I doubt that it is an ILI9341 as they typically...

    I doubt that it is an ILI9341 as they typically have a resolution of 320x240.

    Might help to have links to the ones you purchased. There are several different displays in the size with different...
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    You are welcome. Question is what AtoD...

    You are welcome. Question is what AtoD converter? Don't a lot of them use SPI or I2C to communicate? If so their communications using DMA will likely be different than this work. Probably closer...
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    My DMA camera stuff is up at:...

    My DMA camera stuff is up at: https://github.com/KurtE/Arduino_OV767X/commits/Teensy_t4
    Note: It is a PIP (Play In Progress) As I am just doing it for the fun of it.

    The DMA version up there...
  6. I could be wrong, but I don't think this will...

    I could be wrong, but I don't think this will work. The Ubuntu window is a command line orientated setup, and I don't believe it has any graphical setup built in.

    Not sure how well it would...
  7. You are welcome, Note when I did the...

    You are welcome,

    Note when I did the USBSerial_BigBuffer (still waiting on PR), I added an extra parameter to the constructor, to limit it to minimum size USB RX/TX the instance should claim......
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    XBox One has never worked. I have worked on it...

    XBox One has never worked. I have worked on it on and off, but it will require new portions of new Bluetooth subsections.

    However PS3 and PS4 have worked. I have found the PS4 to be more...
  9. Sorry I don't know the inner workings of MIDI...

    Sorry I don't know the inner workings of MIDI stuff. If it can use larger buffers and as such take longer to pack, than maybe could impact latency. But I again I don't know the interface to know if...
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    As @MarkT asked, it is really hard to know what...

    As @MarkT asked, it is really hard to know what you are doing, without knowing more of the details.

    Example: if you hooked up T4.1 to ESP32, with TX3(14) connected to the RX of the ESP TTL Serial...
  11. Sorry I am sort of confused on your setup and the...

    Sorry I am sort of confused on your setup and the like: Also I don't do much/anything with MIDI nor Audio so may not be much help here.

    But if I look at the code like:


    myusb.begin();...
  12. Another option would be to pick up the USB pads...

    Another option would be to pick up the USB pads on the bottom of the T4.1.

    That is you have the small round pads on bottom of board:
    https://forum.pjrc.com/teensy41_2.jpg

    They are the two...
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    I believe that the ili9341_t3 library draws the...

    I believe that the ili9341_t3 library draws the fonts with or without background color.

    However I know the Adafruit library Adafruit_ILI9341 nor any of their libraries did not (probably still...
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    Sorry the easiest way to answer this is to do the...

    Sorry the easiest way to answer this is to do the math...
    That is, if you look at the code.

    bool begin(void (*funct)(), float microseconds) {
    if (microseconds <= 0 || microseconds >...
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    A while ago, we did update the IntervalTimer to...

    A while ago, we did update the IntervalTimer to allow you to get to maybe something like 0.73 microseconds.

    That was a quick and dirty fix to get us to about the same min interval as T3.2
    ...
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    It may also depend on your whole setup. For...

    It may also depend on your whole setup.

    For example with earlier ROS, I know some Arduino devices were setup to handle a ROS topic or two using ROS Serial support...

    With ROS2, I know that...
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    Glad that worked. Sorry I was not able to see...

    Glad that worked. Sorry I was not able to see why the other did not work... And my Ubuntu 20.04 Linux machines don't have the hidrd-convert utility on them,
    and the: sudo apt-get install hidrd...
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    Good News... Depending on your machine...

    Good News...

    Depending on your machine platform, Some of the Github stuff is getting a bit simpler.

    Example if you are running a windows machine, you install the Github for windows app. Then...
  19. Did some more testing... And I hope I did not...

    Did some more testing... And I hope I did not break anything, but cleaned it up and issued PR:
    https://github.com/PaulStoffregen/USBHost_t36/pull/40

    At a minimum it also helps to support Two...
  20. I may be mainly talking to myself ;) For the...

    I may be mainly talking to myself ;)

    For the heck of it to test with T4 with MultSerial, I created a version of the example sketch USBToSerial that allows you to build for
    USBType of Serial,...
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    Sparkfun new QWiiC shields...

    Looks like Sparkfun just released some new shields for the Teensy that make it easy to connect up I2C devices that use either the
    Sparkfun QWIIC connectors as well as the Adafruit Stemma QT...
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    There are probably a 1000 different ways to do...

    There are probably a 1000 different ways to do things like this, depending on the complexity of your devices and needs..
    For example if you have 4 devices and you only want to read one per cycle...
  23. @All - To properly support this or similar...

    @All - To properly support this or similar devices, is a little more complicated.

    That is the current branch as I have pushed up for the previous post is a somewhat minimal change. It simply...
  24. Thanks, for some reason I was not finding that,...

    Thanks, for some reason I was not finding that, but I recently changed from V1 of PDF to V2 and I thought CSI_D8 was said to be on GPIO B1_09 instead of AD_B1_09... But looking at V2 it shows the...
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    You might try ADC library, And then you might...

    You might try ADC library,
    And then you might look at the example sketch adc_timer_dma
  26. @myhrmans - I am not sure if you are still...

    @myhrmans - I am not sure if you are still interested or waching.

    I have stated a branch: https://github.com/KurtE/USBHost_t36/tree/USBSerial_BigBuffer

    Where I have the beginnings of a...
  27. Note: What I should have mentioned, is in cases...

    Note: What I should have mentioned, is in cases like I just mentioned.

    The code for lets two screens on same SPI using Async...

    I might do something like:
    < Do code to update the stuff on...
  28. 22089 As mentioned SPI2, the SDIO pins (42-47)...

    22089

    As mentioned SPI2, the SDIO pins (42-47) are only exported on the SDIO connector. Which of course you can make an adapter board to get to...

    BUT: The SPI2 pins are also on the Back...
  29. Yes probably as a minimum as it shows: ...

    Yes probably as a minimum as it shows:

    Endpoint Descriptor:
    bLength 7
    bDescriptorType 5
    bEndpointAddress 0x81 EP 1 IN
    ...
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    Sorry hopefully some one who has edited their own...

    Sorry hopefully some one who has edited their own fonts will chime in and give some more help.

    Also most of my stuff playing with this has been done using our own Teensy oriented drivers, like...
  31. First suggestion would be to update to Windows...

    First suggestion would be to update to Windows 10... I resisted 8..... But 10 has worked well for me. Windows 7 Serial drivers had issues...

    It has been awhile since I did anything on a 7...
  32. You should be able to run multiple displays on...

    You should be able to run multiple displays on the same SPI buss. The main thing that would need to be different is the CS pin.

    There are of course a few caveats to this. That if you try do...
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    Sticky: The Arduino site kept failing to find that file,...

    The Arduino site kept failing to find that file, I even tried on my windows machine and it failed, so went to 1.8.12.

    I also found a blank window like you mentioned.

    BUT if I kill off the...
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    Sticky: I just installed 1.8.12 on RPI4-8GB on SSD with...

    I just installed 1.8.12 on RPI4-8GB on SSD with current Teensyduino... Did not find the 1.8.13 64 bit linux. Running Ubuntu 20.04.

    I get the error

    Opening Teensy Loader...
    Teensy Loader could...
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    Note: if you do a search on web you will find...

    Note: if you do a search on web you will find several places that talk about changing the color schemes...
    Example: https://www.instructables.com/IDE-Arduino-With-Dark-Theme/
  36. Quick update, I received one of the devices I...

    Quick update,

    I received one of the devices I mentioned, and first quick information from linux system about the device.

    kurt@kurt-XPS-8300:~/Desktop/arduino-1.8.13$ lsusb
    Bus 002 Device 003:...
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    Thanks, Unfortunately it does not show the...

    Thanks,

    Unfortunately it does not show the HID information. I will try to get around to generating simple sketch like this and program T3.x with it and see...
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    In the past I often started with a quick and...

    In the past I often started with a quick and dirty, which at times is sufficient depending on how accurate do you need it.

    Something like: (Note typing in on fly so probably issue)...

    ...
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    Nope, just a hard loop. If you look at the...

    Nope, just a hard loop.

    If you look at the sources(pins_teensy.c)

    #if defined(KINETISK)
    uint32_t pulseIn_high(volatile uint8_t *reg, uint32_t timeout)
    {
    uint32_t timeout_count = timeout *...
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    I could be wrong, but I think you will only...

    I could be wrong, but I think you will only receive one channel pin pin, with a simple pulse that centers around 1500us
    You can probably get the value using: pulseIn...
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    Often times, when I run into issues like this,...

    Often times, when I run into issues like this, particularly when I am working on the USBHost code with new devices, I will try to get as much information from a new device. Sometimes I like to do...
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    In many cases like this, it might help to know...

    In many cases like this, it might help to know more information, like what receiver you are using... Also how you have it hooked up and the like.
  43. It has been awhile since I looked at it, but...

    It has been awhile since I looked at it, but pretty sure the device header has a length value for each of the different strings, so can be variable in length.

    idProduct is the vendors product ID,...
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    If for example you wish to use the Wire pins on...

    If for example you wish to use the Wire pins on pins 16 and 17, then you simply subsitute which object you are talking to.

    That is instead of using the Wire object, you use the Wire1 object, ...
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    22068 Here is image of my excel document...

    22068

    Here is image of my excel document...
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    The T4.1 like many other T3.x have Alternate pins...

    The T4.1 like many other T3.x have Alternate pins can be used for some functionality.

    Note: CS pins are different, but back to that in a second.

    Example with T3.2(or 5 or 6), you have two SCK...
  47. The CSI pins: As you noted B1_10 and B1_11 have...

    The CSI pins:
    As you noted B1_10 and B1_11 have not been exposed on the T4 or T4.1 Note: AD_B1_... is different than B1_...

    But as was noted earlier in this thread I think. The CSI note:

    The...
  48. Might help to see pictures of your setup. ...

    Might help to see pictures of your setup.

    Maybe a wire missing or, soldering issues or...

    Also if it were me I would get away from using PORTB stuff here and instead just do digitalWrite(10,...
  49. @wangnick My Logic Pro is the Pro 8 so does not...

    @wangnick
    My Logic Pro is the Pro 8 so does not have enough signals... So I am using my older Logic 16 which is not near as fast. It also at times gives me the error about USB timeout, but usually...
  50. Sorry really not enough information to give too...

    Sorry really not enough information to give too many hints as for example I am not seeing any code or even compiler information

    Note: the stuff that @defragster mentioned is more specific to T4.x...
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