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    I have a fork/branch that you might try out:...

    I have a fork/branch that you might try out: https://github.com/KurtE/WS2812Serial/tree/teensy41

    The main change was to change the code that looked at the pin numbers in the begin method:

    #elif...
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    Looks like it has not been updated for T4.1 I...

    Looks like it has not been updated for T4.1

    I will do a quick and dirty and update, that you can try and then issue PR.

    Should not be very difficult.
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    @mjs513 - I figured my T41 with the soldering...

    @mjs513 - I figured my T41 with the soldering touchup was probably dry enough so tried running the test I mentioned above

    C:\Users\kurte\Documents\Arduino\bar\bar.ino Nov 27 2020 10:02:42...
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    Yes the Teensy 4.1 is fast enough for Hexapod...

    Yes the Teensy 4.1 is fast enough for Hexapod stuff.

    As mentioned I have been plying around with hexapods for many years starting off with the Lynxmotion set of hexapods that originally we did...
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    Thanks Paul, So yours confirmed that the...

    Thanks Paul,

    So yours confirmed that the different date codes and the like do make a significant difference and it was not my bad soldering ;)
    Your 1905 - Big write KBytes per second 132.35...
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    Thanks, for the heck of it I ordered 5 more with...

    Thanks, for the heck of it I ordered 5 more with the part number your posting mentioned earlier. Should be the same parts, but curious to see what the run number will be.

    I also tried to touch...
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    Another long shot: My original one from Paul:...

    Another long shot: My original one from Paul: There are three lines of text: WinBond, 25Q128JVSQ, 1905
    The newer ones, which cases look a bit different, the first two lines are the same, the last...
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    Actually it would be nice to update the back of...

    Actually it would be nice to update the back of the card to have some similar information like the back of the card T4 and T3.6 with maybe showing the USB Pins, The internal: ON/OFF, Program, ......
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    :o - Yep I am used to CT and the like, but TR was...

    :o - Yep I am used to CT and the like, but TR was not in my normal ordering like stuff... Especially since they actually ship CT from this page. It is interesting that the page that @mjs513 posted...
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    I am wondering if maybe I have the wrong Winbond...

    I am wondering if maybe I have the wrong Winbond part?

    The one I have is the: https://www.digikey.com/en/products/detail/winbond-electronics/W25Q128JVSIQ-TR/7087212

    @mjs513 - I believe in...
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    @mjs513 - I am not sure if the PSRam is used when...

    @mjs513 - I am not sure if the PSRam is used when testing the QSPI flash? But maybe for buffers. But then still wonder why one of my chips acts the same speed as yours but the other two are half...
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    What I was wondering if any of our earlier tests...

    What I was wondering if any of our earlier tests before littlefs somehow configured the chips differently?
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    Yes all three have the same PSRAM on them.

    Yes all three have the same PSRAM on them.
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    @defragster - I found issue with showing 0 size...

    @defragster - I found issue with showing 0 size for files in my version I was using.

    The issue was the size was printing using %u and it is a 64 bit value. so when I changed to %llu
    It printed...
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    This is to the WinBond QSPI Flash chips. All...

    This is to the WinBond QSPI Flash chips. All three should be the same.

    As I have mentioned I was having some of the MTP fail on my board when I would try to copy a 300KB file from windows to...
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    I think I have everything synced up. And built...

    I think I have everything synced up. And built again. I also edited the example sketch that at end allows me to quickformat or lowlevelFormat or none...

    Running on my Beta Faster board...

    ...
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    As mentioned, when we were doing the T4 and then...

    As mentioned, when we were doing the T4 and then the T4.1 betas, I created an excel spreadsheet which is up on github in the project:
    https://github.com/KurtE/TeensyDocuments

    It has several pages...
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    @defragster and all Yesterday I soldered up...

    @defragster and all

    Yesterday I soldered up another T4.1 with PSRAM and FLEX , to get an idea of speed if the one I was using was somehow different.

    So tried your recent test, editd for QSPI...
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    Note: I think these pads may be long enough...

    Note: I think these pads may be long enough already... Could be wrong, but...
    22628
    Note the measurements are in mills. And I believe that the WinBond other one is about 315mil? Maybe wrong.
    ...
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    I ordered from OSHPark... (6 for $4) So should...

    I ordered from OSHPark... (6 for $4) So should maybe have an extra.

    Not sure if you need PU or not...

    The zip file is the one I uploaded to OSHPark, plus added directory with the Diptrace...
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    Thanks Frank, That is what I thought I was...

    Thanks Frank,

    That is what I thought I was reading...

    So Just for the heck of it added option PU or PD on both those two signals... Then If I screwed up, can wire it one way or the other......
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    Actually it was probably me being lazy and...

    Actually it was probably me being lazy and figured easier to ask than search :D

    Here is a quick and dirty layout that is similar to an Adafruit design for FSRAM...

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    What I sometimes...
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    Yep - Was seeing some of the same yesterday. I...

    Yep - Was seeing some of the same yesterday. I was also testing with 1MB sd card.
    That was sort of why I said maybe sort of .... ;)
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    If you looked at my branch, I noticed it was...

    If you looked at my branch, I noticed it was passing session ID, so I was now storing the ID that was passed to it in the Start Session message and using that to pass back in the event structure.
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    As I mentioned, in my current branch I am seeing...

    As I mentioned, in my current branch I am seeing updates to free space on the different storages. So maybe some success. Will try extending.
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    @mjs513 Sound like fun. Was wondering if you are...

    @mjs513 Sound like fun. Was wondering if you are using a breakout board for the memory that you made or are there some you can order?
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    As suggested by Paul... To continue on the MTP...

    As suggested by Paul... To continue on the MTP thread:


    You are right that within MTP we can probably capture most file change events that happened on the PC. I am going to modify my current...
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    Sounds like this should be fun! It would be...

    Sounds like this should be fun!

    It would be nice to find a solution to speed up the littleFS as at least on one of my T4.1s with the Flash/PSRAM MTP file copies work faster and more reliably to...
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    @all - I have been doing some hacking and not...

    @all - I have been doing some hacking and not sure if any of these changes are making an effect, although I am seeing now when I write a file to an SD Card that if I go back up to top object it is...
  30. Quick followup on the Canvas issue. I went...

    Quick followup on the Canvas issue.

    I went ahead and did a Pull Request for the fix, which has been merged and a new version of the Adafruit_gfx library has been released.
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    Trial and error? I don't do that, I do error,...

    Trial and error? I don't do that, I do error, error, error, trial, error ... ;)

    I think I have that third Endpoint backwards right now. That is I am so used to being on the other end (USB...
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    Sorry I probably won't be able to help much. ...

    Sorry I probably won't be able to help much. About the only thing I could mention is there are are a couple of thread up on this forum about writing code to be able to use these cameras using ...
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    Sorry might help to know additional information,...

    Sorry might help to know additional information, like what is the camera hooked up to? Some form of Teensy?

    What software are you running on it? How is it connected?

    As for image. You can...
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    Afternoon all (or time in your area...) I...

    Afternoon all (or time in your area...)

    I have been sort of hacking in USB2 and MTP libraries to see if I can get any hint of events...

    Not sure what all I am missing... But some of the...
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    @WMXZ - Thanks - understood - But I mention that...

    @WMXZ - Thanks - understood - But I mention that as you mentioned you experimented with event stuff there, and so I am playing with try to see if I can get any events stuff at all responding on...
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    @WMXZ and @Paul (and all) - Looking at the USB2...

    @WMXZ and @Paul (and all) - Looking at the USB2 events stuff and trying to figure out how events should work... What I am wondering and need probably to reread some sections of documents. is how the...
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    I could be wrong, but I believe it was in the...

    I could be wrong, but I believe it was in the LittleFS conversation(s), Probably this one: https://forum.pjrc.com/threads/58033-LittleFS-port-to-Teensy-SPIFlash/page12
    About the ability to create an...
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    I was wondering working with USB1 stuff if there...

    I was wondering working with USB1 stuff if there was some form of event mechanism. I see there is some form of it in the USB2 stuff, so I am playing with it.

    UP till now I was just playing with...
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    Sometimes easiest to look at the SPI...

    Sometimes easiest to look at the SPI documentation, like the Arduino documents: https://www.arduino.cc/en/Reference/SPITransfer

    With SPI when you do something like: uint8_t retval =...
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    My changes are pretty simple for the timings: ...

    My changes are pretty simple for the timings:

    void MTPD::SendObject()
    {
    pull_packet(rx_data_buffer);
    printContainer();

    read(0,0);
    uint32_t len =...
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    For what it is worth I removed the T4.1 from...

    For what it is worth I removed the T4.1 from breadboard and put in the original Beta version which should have the same FLASH chip...

    reran the same program... And the QSPI is faster...

    SCR:...
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    Morning again all, For the fun of it, I have...

    Morning again all,

    For the fun of it, I have been playing around with some more instrumented version of the MTP code... And for example with a hook up such as MTP test minus the extra WinBond:
    ...
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    Morning all, @WMXZ - great will have to test. ...

    Morning all, @WMXZ - great will have to test.

    I am still playing around with the underlying USB1 stuff and have the multiple RX implemented, but it still is not helping with the copying long...
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    USB1 is the one I think right now that is used...

    USB1 is the one I think right now that is used for IMXRT so that is the rabbit hole I am trying right now. ;)

    Assuming that it works and helps, may have to go down the other Rabbit hole :D
    ...
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    @... - Hopefully not stepping on any toes here, ...

    @... - Hopefully not stepping on any toes here,

    But thinking of trying to rework the USB2 library for T4... To be more like the newer version of RAWHID stuff.

    In particular the current code...
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    @WMXZ - Thanks, the hard coded one is not hurting...

    @WMXZ - Thanks, the hard coded one is not hurting me... Just thought I would mention as I saw it.

    Now digging a little at the next level. (usb2) -

    Added some digital Writes/toggles in a few...
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    @Frank - Nice! @all I started playing some...

    @Frank - Nice!

    @all
    I started playing some more with the why large files are failing on my one T4.1... So started adding some debug outputs in Storage.cpp to see if I get an idea.

    Example in...
  48. Also I should mention there is a minor issue with...

    Also I should mention there is a minor issue with this example:
    like: fillRectangle(0, 0, 240, 0, 120, 320, tft_Color_Red
    That is the display is 240x320, so the valid ranges for this orientation is...
  49. Another quick update: I hacked up the ILI9341...

    Another quick update: I hacked up the ILI9341 side to setup a window for 240x320 on the camera and again did a different setRotation of the screen and now you can have picture on TFT the same...
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    @WMXZ - Are there things that would help us...

    @WMXZ - Are there things that would help us banging on now, or are there places that would help if we tried to localize issues down to?

    I do have have plenty of other distractions to play with :D
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