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  1. Again hard to see what is going on without more...

    Again hard to see what is going on without more code.

    For example if your teensy code has something like:

    while(!Serial) ;

    in the setup function, it will hang at that point.

    If you...
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    Not a problem... Wish there was access for...

    Not a problem... Wish there was access for another Flash. But only so many things one can fit on a board that small
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    The IMXRT1062 has two QSPI busses, One of the...

    The IMXRT1062 has two QSPI busses,

    One of the is used to hold your code and is programmed by the MKLZ chip. This QSPI buss is common to all of the T4.x, although each of them have
    different...
  4. Also played with RA8876, and ran into some...

    Also played with RA8876, and ran into some interesting problems...

    One being when you call writeRect on this display, it uses async Serial output: _spi.transfer(buffer, nullptr, length, event); ...
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    Sorry, I am not sure what your hardware setup you...

    Sorry, I am not sure what your hardware setup you are trying to test?

    Since you are asking on the MicroMod thread, I am assuming a Micromod.

    Are you asking about the Flash chip that is on the...
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    Yesterday, I pulled out my RA8876 7" display, for...

    Yesterday, I pulled out my RA8876 7" display, for the first time in awhile to play with our run amuck ;) Picture Viewer with MTP

    Note with this display, that it is setup, I need to add: ...
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    The Hardware serial ports are different, the...

    The Hardware serial ports are different, the difficulty that kept running into was a timing window, where

    when you are filling in the data and the ISR comes in asking for more data and there is...
  8. Note: as you mentioned this looks like a keyboard...

    Note: as you mentioned this looks like a keyboard (boot mode). Most keyboards have 8 byte messages.... But this has 64 bytes.

    I know that in keyboard when we are claiming the keyboard, we will...
  9. The simple answer is, it should try to dump the...

    The simple answer is, it should try to dump the HID messages,
    There is some simple debug monitor code that should turn on/off the decoded data or the raw data...

    But: it may depend on the...
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    Note there is additional information up on...

    Note there is additional information up on unofficial wiki:
    https://github.com/TeensyUser/doc/wiki/UART-Universal-asynchronous-receiver-transmitter
    That answers some of this.
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    Paul does take Pull requests. So if you feel...

    Paul does take Pull requests. So if you feel like trying a different approach, go for it.
    The code was developed knowing 24mhz clock going into Serial and goal of baud maybe up to 2meg, pushing to...
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    I am not sure if the Arduino documentation is...

    I am not sure if the Arduino documentation is necessarily 100% correct. That is if you tell it to write 50 bytes and while doing so, an ISR happens that says feed me... it will grab the next...
  13. @mjs513 and myself - could not resist playing a...

    @mjs513 and myself - could not resist playing a little longer, so again he added support for ST7735/ST7789 displays and I added RA8875
    Probably done with that for now ;)

    27310
  14. I believe that is a PL2303 adapter and not an...

    I believe that is a PL2303 adapter and not an FTDI

    The Pid/vid is in our table, but I think I only had one variety of them ...

    Is this built into your gps puck or is it a different piece?
    ...
  15. @defagster - we will have to take a look soon. ...

    @defagster - we will have to take a look soon. Right now just taking it easy...

    @all - @mjs513 and myself have been playing some more with the image viewer ;) I renamed it and removed the name...
  16. :D :D Could not resist, so did some minor...

    :D :D

    Could not resist, so did some minor massaging of png scale code and then merged it into the MTP_ILI9341_picture_view sketch ;)
    Sorry could not resist.

    The start of the sketch shows all...
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    Forgot to mention, I use DipTrace not KiCad... ...

    Forgot to mention, I use DipTrace not KiCad...


    Sounds great.... I can wait as well. I do have some previous version which I totally screwed up on... Somehow the USB object had the pin numbers...
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    It is fabricated, waiting for parts. Some of the...

    It is fabricated, waiting for parts. Some of the parts had lead times 20+ days... So hopefully next month it should be here...
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    Note the write line the bits are marked w1c which...

    Note the write line the bits are marked w1c which is writing a 1 in that bit will clear that bit on the hardware register
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    Note: if you look at the SR for the SPI in my pdf...

    Note: if you look at the SR for the SPI in my pdf section 48.4.1.5 - page 2814

    27291

    So this is actually clearing those bits out of the status register
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    Sorry I have no idea what your code is trying to...

    Sorry I have no idea what your code is trying to do... So again not sure how to fix...


    if (digitalRead(1) == HIGH) {
    xpdrMode = 0; // OFF
    }
    else if (xpdrMode == 1) { // STBY
    }
    else...
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    There are a few problems with the code: if...

    There are a few problems with the code:

    if (digitalRead(1) == HIGH) {
    xpdrMode = 0; // OFF
    }
    else if (xpdrMode = 1); { // STBY
    }
    else (xpdrMode = 2); { // ON
    }
  23. Yep having fun, changed the breaking points for x...

    Yep having fun, changed the breaking points for x and y for switching jpeg from 1/1 to half to quarter to eighth scaling and then allowed the .ini file to set any of them...

    Probably enough bell...
  24. Just pushed up updated picture viewer... So far...

    Just pushed up updated picture viewer... So far only in quick start branch...

    Now options read in include center which will center jpegs or png files... Have not done that with bmp yet...
    Also...
  25. @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:...
  28. @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
  30. @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...
  32. I finished the fresh install on rpi3, arduino 19...

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

    Mostly works:
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    Upload has problem, but pushing program button worked
  33. 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...
  34. 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,...
  36. 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...
  37. 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
  38. 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...
  39. 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

    ...
  40. 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 -...
  41. 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...
  42. 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...
  44. While deciding... I had fun and added the use of...

    While deciding... I had fun and added the use of frame buffer ;)
  45. 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...
  47. 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...
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