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  1. 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...
  3. 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...
  4. 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is the best course of action with Github projects like RA8875 library, where the owner of the library (Like Sumotoy) is no longer active.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...
  10. 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...
  11. @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...
  13. @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...
  15. 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:...
  16. 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...
  17. 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... ...
  19. Have other stuff going on today as well... ...

    Have other stuff going on today as well...

    Been playing arround with the uncanny eyes with one display on SPI and the other on SPI1... Plus trying to use the DMA code to update both eyes at same...
  20. Not sure if what you have is working now or not? ...

    Not sure if what you have is working now or not?

    I did the conversion to get it to run on the T4, which has worked for me. Will try yours later. You might change the ili9341_t3 library and...
  21. Probably the parameters are wrong to writeRect, I...

    Probably the parameters are wrong to writeRect, I am guessing you need:
    tft.writeRect(0, row, w, 1, bmpColors);
  22. @mjs513, @Erik_ I understand some of the...

    @mjs513, @Erik_

    I understand some of the issues with the spittftbitmap here, but I really don't know how to fix the specific way this test app is written with the current code.

    That is, with...
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    Forgot to mention the really bad hangs before,...

    Forgot to mention the really bad hangs before, was more like things did not link correctly or maybe load...
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    Note, the version of this sketch that was locking...

    Note, the version of this sketch that was locking up the device was not using dma, or at least not in display code...

    Yesterday I did make some progress on getting dma to work, but now issue is...
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    Thanks @Nominal Animal - Yes have tried that and...

    Thanks @Nominal Animal - Yes have tried that and the like. Note: The functions actually do get back to the memory alignment. Doing the extra allocation does remove having to do one more iteration...
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    Note: since that time, I have tried several...

    Note: since that time, I have tried several places to flush or delete the cache and the DMA operation does not get beyond the first DMA output... I am not sure yet if it did the second buffer or not...
  27. Often times it is hard to know without actually...

    Often times it is hard to know without actually seeing the sources and the like. It is probably simply that these defines are needed for T4 are not included in the header files that your class is...
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    At one point, there was a new 3d printer board...

    At one point, there was a new 3d printer board made with a Teensy 3.1 that went into a printerbot Simple. Note: since then printrbot has gone out of business.

    But you might want to take a look...
  29. The error you show here has to do with SDFat not...

    The error you show here has to do with SDFat not with ILI9341_t3n or SPIN?
  30. Some of the libraries I have mentioned:...

    Some of the libraries I have mentioned:
    ILI9341_t3n: https://github.com/KurtE/ILI9341_t3n
    needs: SPIN: https://github.com/KurtE/SPIN

    ST7735_t3: There is a version that shipped with the current...
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    T4 DMA and Memory - DMAMEM and malloc/new

    Sorry, I know that I have brought some of this up a few times during the beta thread, but still running into issues, that I am trying to figure out how best to solve.

    Probably the most recent and...
  32. Again you may want to take closer look at the...

    Again you may want to take closer look at the code and at the different registers and the like>

    I do not believe that they support Bitbanding however, Each of these Pots I believe have a PORTSET...
  33. You might want to take look at t4 Arduino...

    You might want to take look at t4 Arduino sources...

    Likewise the t4 beta thread first page as there are listings showing what pin is connected to what
  34. No the DMA is different between most of the...

    No the DMA is different between most of the different processors. Took a lot of work back then to get T3.6 and T3.5 to work for example in ILI9341_t3n library... There are similarities, but major...
  35. As for using DMA with T4 and spi. Look at spi...

    As for using DMA with T4 and spi. Look at spi library code. Or look at st7735_t3 library. Or my ili9341_t3n library.
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    Both signals I believe are setup that if you were...

    Both signals I believe are setup that if you were to hook them up to a button, you would connect the other side of the button to ground... At least that is how my boards work...
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    I agree with @mjs513, I think we are probably...

    I agree with @mjs513, I think we are probably pretty good. Obviously there are always things that would be great to have and probably something we did not fully test. But as you suggested, I am...
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    Hi @Paul, Beta 7 installed fine on my Windows...

    Hi @Paul,

    Beta 7 installed fine on my Windows machine. The 32 bit image is not installing on my RPI4 board. It complains about exec format error. (Running Raspian...)

    Edit: Also does not...
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    I think the simple answer is, that is what the...

    I think the simple answer is, that is what the did before... That is what a T3.x would do...
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    Another quick update... I enabled some of the...

    Another quick update... I enabled some of the printf statements, and also a check to see if we were aborting due to size...

    Line: length=2 Addr=0
    After addr... test: 2
    ext addr = 60000000
    Line:...
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    Again I tried running this on RPI4... I was...

    Again I tried running this on RPI4...

    I was able to compile one of my programs for Teensy 3.2 on my Windows machine, winSCP over the hex file and use the built teensycli to program the T3.2

    ...
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    If you mean Paul's breakout board, I am pretty...

    If you mean Paul's breakout board, I am pretty sure we were all using the older (Rev B) Audio boards with the beta
  43. The simple answer, is not without changing...

    The simple answer, is not without changing something...

    There are are probably some easy ways to try and probably some more correct ways to try.

    The code goes into loops that waste lots of...
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    I tried downloading latest beta for Linux arm 32,...

    I tried downloading latest beta for Linux arm 32, to install on rpi4 and tried running it, and system said it was invalid?

    Anyone tried on other Linux arm systems?

    Also tried building teensy...
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    I think I have the changes in, which I still need...

    I think I have the changes in, which I still need to test, up at: https://github.com/KurtE/teensy_loader_cli/tree/T4

    I may next try plugging in RPI and see if I can program a new blink on a T4...
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    Good Morning: I see some stuff has changed :D ...

    Good Morning: I see some stuff has changed :D

    Just downloaded and installed on Windows, but have not yet tried anything...

    And yes I do have a few outstanding Pull Requests. I have not yet...
  47. Maybe depends on how disk formatted. Try file...

    Maybe depends on how disk formatted. Try file name of 8.3 format. Like drop the second letter e from name and see if that makes a difference
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    I can somewhat answer some of these questions,...

    I can somewhat answer some of these questions, but maybe not all.

    Yes you can hot swap USB devices. Hopefully most/all of the time. Some of the devices may not have 100% proper release code so...
  49. Again sometimes hard to figure out what all that...

    Again sometimes hard to figure out what all that is going on fully, you may need to try different things and see if anything helps.

    Often it is through steps of elimination... As I mentioned,...
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    The first thing I would do would be to check it...

    The first thing I would do would be to check it against sort of a summary of things that have been worked on and or known issues or maybe where to locate fixes, which is contained in the T4 beta...
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