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  1. Glad you got to a working solution! Your...

    Glad you got to a working solution! Your 7-09-2020 post date seems to have fallen into a 'black hole' between various users online that would have seen and made some comment on this.
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    Notes: > Faster clock speed may not relate to...

    Notes:
    > Faster clock speed may not relate to the resolution time of the Analog read which to some degree uses the similar hardware process on both chips.
    > Code above shows "t = micros();" after...
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    They are identical in order to the T_4.0, just...

    They are identical in order to the T_4.0, just shifted over to accommodate the parts and match the T_3.6 form factor. As @Saibot notes they are called out lower in the text linked by @Manitou.
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    Indeed that is a bad splattered blob of solder -...

    Indeed that is a bad splattered blob of solder - good luck making it go away and getting function back.

    Question: Is that lead free solder? All of the solder points are nice and uniform - but no...
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    I have a pair of the TallDog T_4.0 prototypes...

    I have a pair of the TallDog T_4.0 prototypes built personally here. The first was initial beta where SD didn't come out right, the second is what you'll get and it works well! Having it...
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    I've gathered a few older ones - when I see them...

    I've gathered a few older ones - when I see them I'll put them on a proper charger - they are charge rate sensitive - smaller ones need fewer Ma pushed at them in proportion to their size. I've not...
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    Was the USBVIN trace on the bottom cut? How...

    Was the USB<>VIN trace on the bottom cut?
    How much current is the board using? Are active components well grounded to the external supply - and not through the Teensy?

    Had an RGB matrix here...
  8. If a fully functional sketch could be presented...

    If a fully functional sketch could be presented to show the problem it could be observed and then understood/fixed.

    Snippets don't allow a repro of the situation at hand. Even if the time was...
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    That was tested early in T_4.0 beta and updated...

    That was tested early in T_4.0 beta and updated to work.

    May need to call this function with desired PWM pin:

    void Talkie::beginPWM(uint8_t pinPWM){
    _pwmPIN = pinPWM;
    _hasPShield = false;...
  10. Seeing other code that gets back into the loop...

    Seeing other code that gets back into the loop might be useful.

    One quick test would be to ignore the processing for now and try the code change above to see if it still fails when all available...
  11. Added code # to post #1 Should the final line...

    Added code # to post #1

    Should the final line of the while read as follows? :: while (size != 0);


    static uint8_t buf;
    do {
    if (!usb_configuration) {
    ...
  12. If this were on Windows machine check out ::...

    If this were on Windows machine check out :: github.com/Defragster/Tset
    After installing IDE and TeensyDuino the IDE never needs to be opened - using TyCommander for SerMon ( and optionally upload...
  13. Just for ref - playing with Multi Serial did a...

    Just for ref - playing with Multi Serial did a count of Entropy results for values :: Entropy.random(0, 15)
    This is output from SerialUSB1 - Let it run on two T_4.1's let it run for 1 second and...
  14. Good you made it work - hopefully the under pin...

    Good you made it work - hopefully the under pin leads stay well connected.

    In this image lower left edge you can see dual row SMD pins. They are a bit tight - but supporting them in place to...
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    Before writing monitor availableForWrite() - was...

    Before writing monitor availableForWrite() - was a recent post on this by Paul -
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    In that case another contribution by @luni may...

    In that case another contribution by @luni may offer a solution: github.com/luni64/TeensyStep
  17. History - the only WSON chip tested was the 128...

    History - the only WSON chip tested was the 128 MB NAND chip. The NOR Flash tested were the typical 16 MB Winbond chips 'with legs'.

    This is a 32 MB Flash chip that may have an ID that doesn't...
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    Welcome. Not sure of connections, but looking...

    Welcome.

    Not sure of connections, but looking at the video it appears that Serial3 is wired? Not easy to see clearly with paused video.

    How does that data get sent to the HC-05?

    Not seeing...
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    Not knowing - or even having looked - how the...

    Not knowing - or even having looked - how the timers are used - is it possible they could be replaced with the higher level code in TeensyTimerTool or the intervalTimer where those low level details...
  20. Do a desired USB aware Blink or other sketch and...

    Do a desired USB aware Blink or other sketch and a Verify build in the IDE .

    A single press/release of the Button should put it in bootloader mode.

    Alternative is to unplug USB and PRESS Button...
  21. Those are what I've seen called 'machine pin...

    Those are what I've seen called 'machine pin headers'

    Much finer gauge indeed than standard headers like those from PJRC.

    icloud.com/photos/0scjgQBiqynuazBSDLBSzqO-A#Pomona_-_Downtown
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    didn't look .... but Sounds like the timers are...

    didn't look .... but Sounds like the timers are being used low level and not through PJRC interfaces?

    This github.com/luni64/TeensyTimerTool is a set of code that may show needed example or...
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    @buddym - 1.8.12 had a short life for issues it...

    @buddym - 1.8.12 had a short life for issues it caused and IDE 1.8.13 popped out quickly. Problems may not relate to Ubuntu - or the problem at hand ... but ...

    It might be good to upgrade to...
  24. reposted ......

    reposted ... forum.pjrc.com/threads/62182-Schematic-Review-Modified-Teensy-3-5-Circuit

    closed
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    Is "a) Every time you call transfer you set ..."...

    Is "a) Every time you call transfer you set ..." just an internal no transmit operation?

    If so that may be faster than compares or tests or state storage. The only thing keeping it queued is data...
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    Cool. Seem to recall now the other transfer16()...

    Cool. Seem to recall now the other transfer16() issue was on T_LC display driver or something.

    Good luck with a fix.
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    When @KurtE or Paul sees this there may be an...

    When @KurtE or Paul sees this there may be an answer - it seems this was recently discovered and addressed - there may be a PULL REQUEST {pending or merged} on github CORES for Paul.

    edit>: Quick...
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    Indeed two USB Hosts won't communicate. And So...

    Indeed two USB Hosts won't communicate. And So far the T_4.x USB Host hardware has only been supported in HOST mode.

    This can work using a UART to USB adapter from one of the T_4.1's serial...
  29. PROGMEM is designed to be safe for use on T_4.0...

    PROGMEM is designed to be safe for use on T_4.0 and T_4.1. It puts DATA into FLASH for static storage not using RAM. But with the ARM memory layout it provides directly addressable memory.

    If...
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    Indeed the page www.pjrc.com/store/teensy40.htm...

    Indeed the page www.pjrc.com/store/teensy40.htm indicates "(64K reserved for recovery & EEPROM emulation)"

    Indicated below - the recovery program only takes 4K - but the 60K of EEPROM space is...
  31. Updated the copy of Windows...

    Updated the copy of Windows github.com/Defragster/Tset/ to use this KurtE version - though it is renamed imxrt_size.exe. Using that in 'editor of choice' that can run external batch files to execute...
  32. Was suggesting it may be worthy of it's own...

    Was suggesting it may be worthy of it's own thread - rahter than some posts on this unique thread.

    Zero is 0 in both cases. Not sure what a negative compare or assign to a unsigned does - simple...
  33. if read right... the desired HTML starts in one...

    if read right... the desired HTML starts in one place - SD - moves once to place #2 and then is sent to place ethernet - seems it also then moves to SPIFFS?. ... it is all simple ASCII text that in...
  34. I'll look up the new imxrt-size. There was a...

    I'll look up the new imxrt-size. There was a posted version somewhere in the beta or something I picked up - maybe it was actually home built - seems I played with it once to isolate/confirm the ID...
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    If this is Windows it is easy to get GDB started...

    If this is Windows it is easy to get GDB started - it is already in the installed files of IDE/TeensyDuino.

    It was added as an option using github.com/Defragster/Tset/

    The GDB thread also has...
  36. Updated github.com/Defragster/Tset...

    Updated github.com/Defragster/Tset to remove missing file warning when TyComm not integrated :: github.com/Defragster/Tset/commit

    REM when TyComm integrated this .model. file will exist
    if...
  37. So the Default " Tools / Build System / Teensy "...

    So the Default " Tools / Build System / Teensy " needs to be selected ... that was posted speculation. There is probably as setting for that ...

    Setting up projects seems like extra steps I never...
  38. @mjs513 - Correction to the above I'll remove...

    @mjs513 - Correction to the above I'll remove after this post....

    > Opened TyComm and hit remove Integration. { IDE 1.8.13 folder with TD 1.53 beta 3 (opps) }
    > Left TyComm open
    > Powered a...
  39. @KurtE - never use projects in that way here. ...

    @KurtE - never use projects in that way here. Wondering if it doesn't default to 'User Teeny Build' commands?

    When opening a specific file it can see the type of file and may enable the Build for...
  40. It is a @frankzappa thread - so piggybacking by...

    It is a @frankzappa thread - so piggybacking by @frankzappa won't offend @frankzappa - but if info develops it will be harder for others to find.

    For a given number of bytes of storage a 'uint'...
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    PM's have some limited value for 'offline'...

    PM's have some limited value for 'offline' connections without exposing an email or other link to the public.

    They can be counter productive to the forum content when Teensy questions don't end up...
  42. Some early testing was done on file transfers...

    Some early testing was done on file transfers with T_4.1 ethernet code IIRC for speed and function. Find and visit that thread.
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    Actually searched and read this :...

    Actually searched and read this : planetechusa.com/what-is-gigabit-ethernet/

    Seems that 60Hz power can go over two unused pairs as it was first done with 100 Mbit - but that link says it also...
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    That seems a valid assumption. It would take a...

    That seems a valid assumption.

    It would take a capable magjack and appropriate additions to the PCB to get usable power out and also getting the same six pins ready to attach to the T_4.1 - not ...
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    Did search on above forum link :...

    Did search on above forum link : xenforo.com/community/threads/xenforo-2-1-9-cannot-copy-and-paste-to-hotlink-images-from-clipboard-with-image-attachments-turned-off-worked-in-1-5

    Reading that...
  46. Other ref info:: What Teensy? PJRC Audio board...

    Other ref info:: What Teensy? PJRC Audio board Rev or other hardware?
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    Looks good. They seem to have added brightness...

    Looks good. They seem to have added brightness and readability but left the browsing new posts like here if their forum is a good example :: xenforo.com/community/

    Recent use of another forum the...
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    Wondering if anything still running on the hang? ...

    Wondering if anything still running on the hang? Could be faulted - GDB may work to show that - or just stops hitting loop - but an interval timer _isr to pinToggle(13) - might show it still alive. ...
  49. Not a PJRC supported solution but ... Wonder if...

    Not a PJRC supported solution but ... Wonder if @koromix TyCommander would give a usable system - or fail also? Would be a way to find if it can work or not perhaps?

    I tend to use it on Windows...
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    Doesn't sound good. Is this on Windows #? ...

    Doesn't sound good. Is this on Windows #?

    Only thing I would try is with best known cable - unplugged:
    > Do a verify of known good blink sketch for T_3.2
    > Press the Button
    > Plug the cable...
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