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  1. @mjs513 - Looks like you are having too much fun...

    @mjs513 - Looks like you are having too much fun :D

    @Paul - All - I just pushed up the T3.x MTP+Serial USB Descriptor update to usb_desc.c (from MTP_T4)
    It appears to work on Windows and Mac...
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    Simple answer is yes: Only one SDIO one, but you...

    Simple answer is yes: Only one SDIO one, but you can have one or more external SD card adapters using SPI, where each one has it's own SPI CS pin. Some of the tests we have been playing with on MTP,...
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    The T4.x by default will use the 480Mbps...

    The T4.x by default will use the 480Mbps interface with 512 byte messages instead of 64 byte packets.

    There is a way in source to force it to be 12mbs...

    In usb.c: uncomment the line:...
  4. @all - As still waiting for some...

    @all - As still waiting for some questions/issues/options and the like...

    Been screwing off with our MTP_ILI9341_picture_view maybe example sketch:

    Some of the fun things added:

    a) Can use...
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    I think you are right... As per the other thread

    I think you are right... As per the other thread
  6. @wwatson - sorry to hear about your step son. ...

    @wwatson - sorry to hear about your step son.

    LittleFS was updated to to change the names of the getPN and also the implementation of some of them to .cpp instead of .h file. This helped with...
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    I see that the buffer size did change size about...

    I see that the buffer size did change size about 2 months ago. Before that it was 30. Now if you are like me and you have a fork of the library installed in your <sketches>/library folder, you may...
  8. I finished the fresh install on rpi3, arduino 19...

    I finished the fresh install on rpi3, arduino 19 latest td...

    Mostly works:
    27278
    Upload has problem, but pushing program button worked
  9. Note: I am doing a fresh install of raspian on sd...

    Note: I am doing a fresh install of raspian on sd card to try on one of my RPI3... boards...
    To see if anything different, my Pi4 had a version from early last year so this one will be the latest...
  10. Sorry, again I am not a linux/rpi expert although...

    Sorry, again I am not a linux/rpi expert although did play with them for some time, before I went more with Odroid and UP and ...

    The first thing I would expect is when you plug the teensy it, it...
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    My rule of thumb is if I am concerned then I am...

    My rule of thumb is if I am concerned then I am concerned ;)
    You may easily be fine, but sometimes best to be safe than sorry.

    If I run into things like this, some of the steps I might take,...
  12. Note: I know very very little on MIDI, but as I...

    Note: I know very very little on MIDI, but as I mentioned on the USB Serial issue of plugging in a t4 into host and try a different class, it may be similar issue with midi...
    Which is where I first...
  13. You might try changing the example (or your...

    You might try changing the example (or your sketch) from using USBSerial and instead try USBSerial_BigBuffer

    It was setup to handle at the 480 MBits and larger packet sizes
  14. Defragster - I did all of my testing with simply...

    Defragster - I did all of my testing with simply mtp disk (not serial) yesterday. The code can still optionally call mtp.begin() first call wins...
    Not sure if it makes difference, Maybe I...
  15. Been sort of goofing off today ;) sort of...

    Been sort of goofing off today ;) sort of experimenting.

    Wondered ways to remove need to call mtp.begin()...

    First/current approach or hack :lol:

    Added some code to core: usb_mtp.h/c

    ...
  16. Sorry, I have not played much recently with RPI,...

    Sorry, I have not played much recently with RPI, so some simple questions might help to reproduce.


    What are you running on RPI: Raspian (or they may have renamed this) Ubuntu...
    Teensy 4 -...
  17. Again I don't think it has anything at all to do...

    Again I don't think it has anything at all to do with priority of interrupts or anything else like that...

    You have two things going on as it pertains to Serial and your timer...

    For example...
  18. Sorry I am confused. You mention Serial1 yet...

    Sorry I am confused. You mention Serial1 yet your sketch does not mention Serial1?

    I ran your sketch on t4.1 with serial monitor or in this case TyCommander

    And I see:

    Hello again...
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    Also you don't need to create multiple new...

    Also you don't need to create multiple new threads on the same thing...
    The previous thread: https://forum.pjrc.com/threads/69275-include-lt-i2c_t3-h-gt-vs-include-lt-Wire-h-gt
    Is still an...
  20. While deciding... I had fun and added the use of...

    While deciding... I had fun and added the use of frame buffer ;)
  21. Paul (and others), Simple question on...

    Paul (and others),

    Simple question on examples code... Again not assuming the what was the ..._spitftbmp sketch that extended to use MTP and optionally also can do jpeg and png files...
    We are...
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    Look for shorts in your soldering. Both between...

    Look for shorts in your soldering. Both between pins and from pins to components. You might post picture, others may see possible shorts or the like.

    If you have multimeter, I would check...
  23. Quick update on trying to run MTP+Serial on...

    Quick update on trying to run MTP+Serial on Ubuntu...

    As I mentioned a few posts back.

    Sometimes it does show up, but not the same. It looks like then Shotwell ... With camera image instead...
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    Other options for speed or timing may include...

    Other options for speed or timing may include DMA.

    Side notes with DMA is it does not work with pin in High speed mode, you have to switch them back to normal... GPIO1 instead of 6...
    More...
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    As you probably already know, your sketch can use...

    As you probably already know, your sketch can use one or the other, but not both. And that includes all of the libraries that your sketch may include.

    So for example if you are using some sensor...
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    Sometimes it is hard to give one total answer to...

    Sometimes it is hard to give one total answer to a question like this, it often depends on your needs.

    That is how fast does it have to be... Teensy is pretty fast, so even simply simulating...
  27. Morning all - Just pushed up a few simple...

    Morning all - Just pushed up a few simple updates:

    updated MTP_Teensy.cpp - to handle the only message that we were sending we are busy too, before we were up at least far enough for Serial to...
  28. Which product is this? i.e. do you have link for...

    Which product is this? i.e. do you have link for amazon...

    I hsve used/tested on Microsoft combination mouse, keyboard in the past: Ones like:...
  29. Sorry distracted with other things... Who...

    Sorry distracted with other things...

    Who knows, maybe one or more resources are taken up...

    That is if you have two hub objects, each hub actually sets up for N connections, but depending on...
  30. I am playing with it some to add the Serial...

    I am playing with it some to add the Serial version...

    I added it in to the cores branch: https://github.com/PaulStoffregen/cores/commit/6e6be0b3e6a9f976699ea737cbbf913fc0af7dd1

    You would need...
  31. Quick update: :D I opened up an issue up on...

    Quick update: :D
    I opened up an issue up on github: https://github.com/Koromix/tytools/issues/86
    Half hour later he posted an update, with a dev build... That works...


    +++ before MTP.begin()...
  32. Follow on to: Good news.... Bad news... ...

    Follow on to:


    Good news.... Bad news...

    Good news: I was able to get a faster startup time:

    +++ before MTP.begin() 423
  33. @Paul and others - sorry about previous book ;) ...

    @Paul and others - sorry about previous book ;)

    I am just sort of wanting to get the startup code to not totally hang for 5 seconds if possible. I was going to mention that the interval timer or...
  34. Not a problem, I meant to do that... But is again...

    Not a problem, I meant to do that... But is again more of a generic question, is there any way to do this Automatically in Arduino? More or less asking is there a way to say open this file if you...
  35. Agree and on surface sounds simple, BUT... We...

    Agree and on surface sounds simple, BUT... We currently have a few chicken and egg issue here.

    For example: I may not want to call mtp.loop() unless mtp is connected, but currently mtp.loop()...
  36. Sorry @mjs513 and myself are having too much fun...

    Sorry @mjs513 and myself are having too much fun playing with image viewer...

    I just pushed up changes to it, that Mike added usage of the Jpeg decoder library...
    Which I then made a few...
  37. Some of this stuff goes related with the stuff I...

    Some of this stuff goes related with the stuff I was asking a coupole days ago in the thread
    https://forum.pjrc.com/threads/69234-Teensy-4-x-F()-how-to-keep-strings-in-flash-and-not-in-the-ITCM
    ...
  38. Lots of fun. I copied it into mine and having...

    Lots of fun. I copied it into mine and having some fun. Need to do some tweaking so both expect the images in the same orientation

    Will play more tomorrow. I know in one of these libraries or...
  39. Lots of fun. I copied it into mine and having...

    Lots of fun. I copied it into mine and having some fun. Need to do some tweaking so both expect the images in the same orientation

    Will play more tomorrow. I know in one of these libraries or...
  40. If you are using SPI1. Pins you need to use the...

    If you are using SPI1. Pins you need to use the SPI1 object not SPI
  41. Here is a real basic version of the spitftbitmap...

    Here is a real basic version of the spitftbitmap sketch that was changed to look at sd card for *.bmp files and display them...
    Note: I have 3 Annie Pictures and 1 Laik on it :lol:

    ...
  42. Maybe, but I am guessing !MTP would be more...

    Maybe, but I am guessing !MTP would be more consistent.


    Yes we had running into this for a long time with SEREMU, it would not start working until MTP was happy...

    It was better with USB...
  43. On a different integration subject: Suppose, I...

    On a different integration subject:

    Suppose, I setup a Teensy with lets say an ILI9341 display (could be music), that I have as a electronic picture frame or some such thing. Suppose it cycles...
  44. Yep - been there and pulled hair out... But is...

    Yep - been there and pulled hair out... But is it still true with current code? Two parts:
    a) LittleFS on these chips will have problems with to many dirty blocks... - Would still be true.
    b) If...
  45. I just merged it into main branch

    I just merged it into main branch
  46. In this case and like many others with these...

    In this case and like many others with these individual components plus the integration, I wonder if there any one specific generalization of what the expected user patterns will be, and as such how...
  47. Likewise, I was also taking a quick look, but...

    Likewise, I was also taking a quick look, but far to much code to navigate easily to see what might be happening...

    Also a few details may be helpful, like which version of Arduino and...
  48. My guess probably your best bet, as there is not...

    My guess probably your best bet, as there is not anywhere enough information here for any of us to try to reproduce the issue and or know specific things to suggest, so we are left with throwing...
  49. Think fixed... Problem was I reduced the size of...

    Think fixed... Problem was I reduced the size of some of the fields, like parent and sibling from 32 bits to 16 bits... But I also did it for child. Problem is when not a directory, child is...
  50. Just a quick update: I added code in to handle...

    Just a quick update:

    I added code in to handle the rename of files to different name lengths and did a little testing. It is not foolproof, but it tries to pack as many records it can into each...
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