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  1. Replies
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    Sticky: Personally I wish they were just left in... But...

    Personally I wish they were just left in... But as they say it is not my library.
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    Sticky: Yes, it is another place where the code changed...

    Yes, it is another place where the code changed that no longer had those methods on the top level class, but instead had to call the modules...

    Now I thought that @pedvide was going to add...
  3. Again only implemented on T4.x. Yes you simply...

    Again only implemented on T4.x.

    Yes you simply need to allocate the buffer somehow. Could be simple global define, can be malloc and then pass it in.

    The only caveat is that make sure you...
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    You are beating me to it :D When I say I have...

    You are beating me to it :D

    When I say I have mine hooked up to USB 3 HUB - https://smile.amazon.com/gp/product/B07G8CMR18/
    I like using this hub as it has individual buttons to turn on or off...
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    Thanks, I think maybe it was just that sketch ...

    Thanks, I think maybe it was just that sketch (Memory transfer).

    I am now running on USB with Gauges and Graphics, after I edited them to compile... (setTextAt -> setTextCursor)
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    I have tried both and I now get the display...

    I have tried both and I now get the display working but as I mentioned USB does not want to talk to PC...

    Probably what I should do is to try to power the display separately.

    Note: When I...
  7. It looks like someone needs to do a little...

    It looks like someone needs to do a little chasing here, which is likely with each Teensydino release.

    That is if you look at the file:...
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    I just started to play with the 7" variation of a...

    I just started to play with the 7" variation of a display with RA8876. More information on a few different threads, including:...
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    Sorry, I have not heard of any. The only other...

    Sorry, I have not heard of any.

    The only other language I remember seeing anything about is variations of Python, like: https://hackaday.com/2020/01/14/circuitpython-now-working-on-teensy-4-0/
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    There are a variety of different ways to get to...

    There are a variety of different ways to get to the binary. Example in the IDE under sketch menu is the command: export compiled binary, which puts a copy into your sketch folder.

    If I remember...
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    Note: I got it to work with a jumper to the...

    Note: I got it to work with a jumper to the backlight pin. Although while I got the display to show the proper data, I am having issue with it not talking USB back to PC. Will debug more maybe...
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    Quick update - I finished assembling the basics...

    Quick update - I finished assembling the basics of my RA8875 kitchen sink board, and plugged in RA8875 and it works with T4.1 :D I cut the VIN/VSB and have jumper on board to either run from USB or...
  13. Thread: Teensy Qt

    by KurtE
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    @koromix - Thank you again for developing the...

    @koromix - Thank you again for developing the TyCommander.


    A little while ago, I did my attempt to add support for the new Teensy 4.2 :D which is now released.

    It would be great if there was...
  14. I am not sure how well the support for No USB is...

    I am not sure how well the support for No USB is implemented (or not).

    But if you look in the boards.txt file you will see lines like:

    #teensy40.menu.usb.disable=No USB...
  15. Actually you don't have a delay AFTER the Serial...

    Actually you don't have a delay AFTER the Serial is available... That is your code will return TRUE for Serial as soon as the USB makes connection with the PC, but some programs on PC may not be...
  16. Sounds like an issue with Visual Studio (Visual...

    Sounds like an issue with Visual Studio (Visual Micro?) on handling Serial port. It may act differently with some Arduino processors who have a separate processor or FTDI like chip on board, which...
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    Warning, I am a Software person, so maybe an EE...

    Warning, I am a Software person, so maybe an EE type might give you a better answer.

    Things I would probably try to see if it works include:

    a) Tie the Reset line of the display to reset pin...
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    Those look a lot nicer than the quick and dirty...

    Those look a lot nicer than the quick and dirty version I did a few years ago, that I use in Diptrace to show 3d layouts of some of my boards that I tinker with, like:

    20327

    But if you wish to...
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    It arrived yesterday :D Still need to hook it...

    It arrived yesterday :D

    Still need to hook it up. I do have a board that I started to do for the RA8875, which I started to assemble and found some issues and some of the IO pins appeared to not...
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    Yes as @defragster mentioned, I do a lot IO pins...

    Yes as @defragster mentioned, I do a lot IO pins toggle or HIGH/LOW setting around functions and watch that pin on the logic analyzer.

    Also If I think something is going to go boom! And I print...
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    Again looks great I need to play with it! It...

    Again looks great I need to play with it!

    It can come in real handy!
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    Typically when I am working with RPIs, I am doing...

    Typically when I am working with RPIs, I am doing so by running them headless. So most of the time I talk to them through some terminal window. On Windows this is typically KiTTy (PuTTy).

    So...
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    Sorry, I have played a reasonable amount with DMA...

    Sorry, I have played a reasonable amount with DMA stuff and some timer stuff..

    But this is not something that is easy to debug, without a full setup and a lot of hair scratching.

    But in any...
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    What are you running on the RPI4? Raspian? ...

    What are you running on the RPI4? Raspian? Ubuntu? Version? 32 bit or 64 bit?

    So if the current download for 64 bit linux is: https://www.pjrc.com/teensy/td_152/TeensyduinoInstall.linux64
    I...
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    Yep I got that response on T4.1... void setup()...

    Yep I got that response on T4.1...
    void setup() {
    while (!Serial) ;
    pinMode(13, OUTPUT);
    Serial.begin(115200);
    delay(100);
    Serial.println(map(50, 1, 50, 50, 1), DEC);
    ...
  26. I could be wrong, but I don't think Teensyduino...

    I could be wrong, but I don't think Teensyduino installs SDFat library. It does install SD library.

    At least on my machine I only see the SD library installed in the Teensyduino area.
    I...
  27. Thanks @defragster Earlier I tried a few...

    Thanks @defragster

    Earlier I tried a few different approaches like that and many of them did not help much.

    Other approaches I have thought about, but have not tried include:

    Have each...
  28. Again sometimes it really helps to see a more...

    Again sometimes it really helps to see a more complete program to see if there are some obvious solutions.
    Like you mention that loop goes into blocking mode with delay...

    If it actually calls...
  29. @Mark_7 - Might work, but personally I would not...

    @Mark_7 - Might work, but personally I would not do it this way.

    void makeHigh(){
    GPIO1_DR |= b[26]; //GPIO_DR = 1 // DATA REGISTER
    //digitalWrite(20, HIGH);
    }
    You are directly...
  30. One thing that is making this harder to follow,...

    One thing that is making this harder to follow, as this logical thread has been winding through several threads, so unless you dig around you have no clue what the issues are.

    That is Nick would...
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    Did you select in the USB type either Dual or...

    Did you select in the USB type either Dual or Triple Serial?
  32. Sorry I am not sure what your setup is here as...

    Sorry I am not sure what your setup is here as you mention Visual Studio and Visual Micro... So are you building with Arduino or are you building within Visual Studio?
    Also which monitor program are...
  33. Hard to say if it is a bug or not? As I don't...

    Hard to say if it is a bug or not? As I don't see the rest of the program that is calling this. For example is SPI.begin() called?
    If not maybe the SPI subsystem is not enabled and causes it to...
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    @wwatson, did you solder it in to where the...

    @wwatson, did you solder it in to where the smaller pattern is on the back of the board? (around pads 31-32?)

    You might, retouch each solder joint with solder iron to make sure good contacts,...
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    Probably the first thing I would do, if I were...

    Probably the first thing I would do, if I were you, would be to update the udev rules.

    I would download the latest udev rules from: https://www.pjrc.com/teensy/td_download.html

    and then...
  36. Hi, and welcome! Might help if you maybe...

    Hi, and welcome!

    Might help if you maybe included the bitmap, so we can give it a try.

    Also might help if you included the Serial output, which may give some hints about what was read and...
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    Me too! - FYI - There are some on the forum who...

    Me too! - FYI - There are some on the forum who have been trying to collect stuff into an unofficial WIKI: https://github.com/TeensyUser/doc/wiki

    I have not looked in awhile to see if there is...
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    I have not tried their display, but you need to...

    I have not tried their display, but you need to tell their library to use Wire2 and not Wire.
    Looking at their header file I see:

    bool begin(uint8_t addressLeft = DEFAULT_ADDRESS,
    ...
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    Thanks @jwatte, Awhile ago, I started a thread...

    Thanks @jwatte,

    Awhile ago, I started a thread that talked about some of the different memory regions and some of the sections and the like:...
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    Note: my quick look at his PR to himself, looks...

    Note: my quick look at his PR to himself, looks like he may have the T4 and 4.1 pin defines reversed...
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    Quick update on the above... On seeing the...

    Quick update on the above... On seeing the errors from the temp directory and not the original source.

    I thought I would ask about this up on SublimeText forum and received a couple of...
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    This is a third party library and it looks like...

    This is a third party library and it looks like @pedvide has not yet finished adding the T4.1 support.
    But it looks like he knows about it and has done some work for it, as I see an open Pull...
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    This has been talked about in several threads,...

    This has been talked about in several threads, including this one which has a lot more information:
    https://forum.pjrc.com/threads/60506-Does-Teensy4-have-less-program-memory-than-Teens3-6

    As...
  44. What version of teensyduino is installed?

    What version of teensyduino is installed?
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    @Paul and others, actually have a simpler hack,...

    @Paul and others, actually have a simpler hack, that goes along the lines of the bypass of calling serialEvents... Maybe with very little overhead.

    Example just change: configure_external_ram,...
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    Again was curious about how the bottom pins are...

    Again was curious about how the bottom pins are used during startup to detect if these chip locations are occupied. So again not very exciting sketch:

    const short cCoxaMin1[] PROGMEM = {0, 1, 2,...
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    Obviously @Paul can answer this a lot better than...

    Obviously @Paul can answer this a lot better than I can.

    I don't believe the bootloader chip is available yet for T4.x - I believe he made progress on that during T4.1 beta time. Put with their...
  48. Thanks @defragster - I can imagine when using...

    Thanks @defragster - I can imagine when using serialEventX on T3.x, could be slightly slower, which I could reduce/eliminate, with trade offs
    That is could have the yield code go back to directly...
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    Yesterday evening had a little time, so I tried...

    Yesterday evening had a little time, so I tried soldering on one of my castellated adapter boards for T4.1...

    20235
    20236

    Nothing special - I was glad to see my measurements for where the two...
  50. I just pushed up a fix for the T4.x... Will...

    I just pushed up a fix for the T4.x... Will double verify it with the MAC, that it builds correctly there. Note: I changed some of the T4 processing to be more in line with T3.x code. Where instead...
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