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  1. Yes I took a look as well. For that version, it...

    Yes I took a look as well. For that version, it looks like they are storing the image on SDCard? or the like and using Bitmap files...
    They also changed some of the data for the eyelid stuff.
    ...
  2. @mjs513 @defragster ... Not sure the best...

    @mjs513 @defragster ...

    Not sure the best place to post this...

    But figured out why the update Async (DMA) version one eye was not working....

    I figured out that it was always in a blink...
  3. I also forgot to mention, that as always it might...

    I also forgot to mention, that as always it might help to see a picture of your setup.

    You don't know how many times there have have been things like: Someone buys a new Teensy board and has some...
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    Thanks, so far so good. And as @defragster...

    Thanks, so far so good. And as @defragster mentioned, it looks like, I can select and copy and paste:

    Estimated max stack usage: 1640
    36
    Estimated max stack usage: 1640
    even if I disconnect...
  5. I am not sure how interesting this part might be,...

    I am not sure how interesting this part might be, but with the uncannyeyes, which it appears like at least some of the issues we were running into is caused by unitialized members of the st7735_t3...
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    @Blackaddr - yes you might say I was a bit...

    @Blackaddr - yes you might say I was a bit involved in the beta...

    I guess the question is, it depends on what you are asking?

    The SPI library already has support in it for DMA with the call:...
  7. It could be almost anything! For example it...

    It could be almost anything! For example it could imply be that display does not work! Sometimes when you buy these cheap displays on Ebay (or Ebay through Amazon), you run into issues. Example I...
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    I think I am sort of confused here? As far...

    I think I am sort of confused here?

    As far as I know the SPI library only has one begin function and it does not take parameters? void begin();

    Now most every library that uses SPI, example...
  9. You need to make the same changes to the...

    You need to make the same changes to the LeaderOne class:

    class LeddarOne
    {
    public:
    LeddarOne()
    : BaudRate(DEFAULT_BAUD_RATE), SlaveAddress(DEFAULT_ADDRESS), NbDet(0), TxEn_Pin(0),...
  10. I did not try to build it, but my guess is you...

    I did not try to build it, but my guess is you need to change a couple lines in the header file:

    class Leddar16
    {
    public:
    Leddar16()
    : BaudRate(DEFAULT_BAUD_RATE),...
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    @Paul, @mjs513, @defragster - Maybe found what...

    @Paul, @mjs513, @defragster - Maybe found what was trashing memory :D (At least in the above case).

    One of the two constructors for st7735_t3 was not initializing a few key variables (which...
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    @Paul - Terminal Monitor Wish list... ...

    @Paul - Terminal Monitor Wish list...

    Sometimes when I lose USB (either because I unplug it, or something in program kills it), I wish I could still select and copy the text to the clipboard so...
  13. Yes I could easily imagine that it will not...

    Yes I could easily imagine that it will not compile for Serial as Serial is not derived from HardwareSerial

    I would think it would compile if it instead was Serial1 as Serial1 is of the class...
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    I think the answer is Maybe. Who knows what else...

    I think the answer is Maybe. Who knows what else may have been damaged at the time.

    I am only speaking for myself, but if it were me, I would have a tendency to replace the Teensy board as I...
  15. I guess for me, and maybe a some others, I have...

    I guess for me, and maybe a some others, I have no idea what you mean by:

    What HAL (Hardware Abstraction Layer) libraries?

    Yes I know there some CHIP manufactures may define some form of HAL...
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    The last one I reported was using one of the...

    The last one I reported was using one of the white wire versions of the T4...

    I am pretty sure the: 16c0:0486 Van Ooijen Technische Informatica Teensyduino RawHID
    Is a normal value for Teensy......
  17. I know Paul has said it more than once. That the...

    I know Paul has said it more than once. That the programing manuals don't give you a lot of the information to really understand what is going on.

    So if you again look at the datasheet page he...
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    The SPI system for T4 is very different than it...

    The SPI system for T4 is very different than it is on the T3.x boards.

    With the T3.x the SPI buss registers had the register PUSHR which is 32 bits, of which the top 16 bits allows you to encode...
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    @Paul, @mjs513, @defragster - Not sure which...

    @Paul, @mjs513, @defragster - Not sure which thread to mention this again:
    UncanneyEys0 (earlier mjs513 version) -

    Thought I would try loading it again. And it built fine:

    Output from...
  20. @PaulStoffregen tried to answer the question...

    @PaulStoffregen tried to answer the question about T3.2... back in the Beta thread:
    https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=211780&viewfull=1#post211780
  21. As per earlier request, I put my current version...

    As per earlier request, I put my current version of imxrt-size up on github: https://github.com/KurtE/imxrt-size
    I believe this includes the .exe for windows. Sorry I have not tried building a...
  22. T4.0 Memory - trying to make sense of the different regions

    While trying to debug some issues, where a program would cause USB to not work in cases, but did in others, I decided to try to understand more on the memory organization of new Teensy T4.0.
    I put...
  23. Thread: Teensy 4 dead

    by KurtE
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    Schematic is now up on main website:...

    Schematic is now up on main website: https://www.pjrc.com/teensy/schematic.html

    My guess is you already tried it, but make sure nothing but the USB is connected to it and then double check...
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    For what it is worth, here is a hacked up version...

    For what it is worth, here is a hacked up version of imxrt-size.c that I build in visual studio 2019...


    #include <stdio.h>
    #include <stdlib.h>
    #include <string.h>

    int printnumbers(unsigned...
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    @PaulStoffregen and others: Again More on...

    @PaulStoffregen and others:

    Again More on memory stuff... Maybe should move to new thread?

    But: I thought I would blindly add a third full size ILI9341 display image:

    Like the other two...
  26. @PaulStoffregen - can answer this a lot better...

    @PaulStoffregen - can answer this a lot better than I can...

    The Teensy Teensy 3.x and 4.0 and LC are all ARM based products, but the earlier Teensy 1 and 2.x were AVR based products.

    When a...
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    Again not sure if you will find this part...

    Again not sure if you will find this part interesting, but I took the sketch that displayed the front and back of the T4 card on an ILI9341 display (from DTCM memory), and added a dump at the start...
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    Sorry for endless information ;) But I wanted to...

    Sorry for endless information ;) But I wanted to make sure it was not just as simple as a large amount of data in DTCM... SO did a quick and dirty version of the ili9341_t3 pictureembed, with two...
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    To follow on with my comment earlier today: ...

    To follow on with my comment earlier today:


    In case there are others who also are unclear as I am/was about some of this and also trying to understand how these things are initialized, and...
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    At some point I should probably learn what do all...

    At some point I should probably learn what do all of these types of memory mean? i.e. what is the difference betwen ITCM and DTCM? Sometimes I hate 3 or 4 letter acronyms!

    I know that I can use...
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    Sticky: Yesterday I did find I do have two of those...

    Yesterday I did find I do have two of those displays(RA8875 from BuyDisplay.com) (one I never did get to work and the other sometimes...) I had the test apps working on T3.6 earlier, but so far...
  32. As mentioned, I have done a lot of the work...

    As mentioned, I have done a lot of the work lately on this, but the actual change to run up to 30mhz was done quite a long time ago, I believe that the last change was simply to move it from the .cpp...
  33. It works! Looks good!

    It works! Looks good!
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    Now it is sort of an interesting question/comment...

    Now it is sort of an interesting question/comment to myself (and others).

    Ok So I made a version of the Servo library that works for up to 24 servos... The question to myself is do I have...
  35. Sorry, I have not actually ever done any fonts......

    Sorry, I have not actually ever done any fonts... When I have needed them to play with, I either used the ones already in the library, or in some cases, Paul I think has a set of ili9341 fonts and...
  36. Looks like something that Paul will need to maybe...

    Looks like something that Paul will need to maybe answer fully.

    I am not an Audio person, but as there needs to be some adjustments in order to use the main Audio adapter, my guess is there may...
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    Sticky: That is the interesting question. Sometimes...

    That is the interesting question. Sometimes wonder if it would make more sense to try to enhance the Teensy support in Adafruit_GFX. Or more particular Adafruit_SPITFT.

    Can we for example have...
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    @PaulStoffregen and @wingman ... For the heck...

    @PaulStoffregen and @wingman ...

    For the heck of it, I did make a version of Servo library for the T4, that does support up to 24 servos. It just felt right as well there are 24 easy to access...
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    Sticky: I wonder at times what is the best course of...

    I wonder at times what is the best course of action with Github projects like RA8875 library, where the owner of the library (Like Sumotoy) is no longer active.

    I had/have a Spin version I did...
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    It would be interesting to try your method out......

    It would be interesting to try your method out... I am building some of my own boards, which are a pain with those ribbon cables...

    As for putting it through it's paces, I do still have lots of...
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    Hi @Paul and @wingman... I could sort of read...

    Hi @Paul and @wingman...

    I could sort of read between the lines of the question. As I knew he was referencing my OLD stuff, which is why I answered, that I have not looked at the stuff for...
  42. Oops looks like I may have copied the wrong file...

    Oops looks like I may have copied the wrong file into my foo program. The sizes are different:

    Lower_Buffer: 2000112c
    upper_buffer: 20200000
    stack buffer: 20077fd0
    Heap Buffer: 20200028...
  43. @mjs513 - Yep I had done that as well. I also...

    @mjs513 - Yep I had done that as well. I also updated one structure in the main .ino file as well.

    I am also curious about the actual sizes that was crashing... So for example if I build one of...
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    @PaullStoffregen updated the Servo library for T4...

    @PaullStoffregen updated the Servo library for T4 to use an IntervalTimer,

    I don't remember how many of these Interval Timers the T4 supports, but I am pretty sure more than one...

    So yes...
  45. @mjs513 - Thanks Making them Non-static would...

    @mjs513 - Thanks
    Making them Non-static would imply that they are now on the stack and as such get initialized back to their original values each time...

    Making all of those data members to be...
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    @Wingman - I have not played around with RC...

    @Wingman - I have not played around with RC servos for a long time (also in a partial answer to your PM on Trossen)

    Looking that the Teensy 4 First Beta Test thread - It looks like the servo...
  47. Quick update: If I change all of those defines to...

    Quick update: If I change all of those defines to be: PROGRMEM like:

    const uint16_t sclera[SCLERA_HEIGHT][SCLERA_WIDTH] PROGMEM = {


    Then the output on T4 does change to:

    Lower_Buffer:...
  48. UncannyEyes Hints on maybe why not working...

    UncannyEyes Hints on maybe why not working correctly on T4???

    I think the USB not working a lot of the time and the like is probably due to differences on how memory is allocated/used on T4. In...
  49. I am not an expert on some of this, but, there...

    I am not an expert on some of this, but, there are some interesting differences between different types of memory. Some of this I put up in the thread: ...
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    Looking at the Teensy Beta thread: There are two...

    Looking at the Teensy Beta thread: There are two main summary postings #4 and #6 on what things that have been tested/fixed... ...
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