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    @Paul, @mjs513, @defragster I just gave it a...

    @Paul, @mjs513, @defragster

    I just gave it a try to see if I could duplicate it and I was sort of able to, to a degree.

    I caused uncannyeyes to fail in my usual way, with one of the eyes...
  2. @KurtE Thanks for putting this together. ...

    @KurtE

    Thanks for putting this together. There were a couple of things I had to do,

    In your recipe had to change the path for imxrt-size.exe - put it back the way frank had it. Hoping Paul...
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    Unfortunately most of the displays like the 9341,...

    Unfortunately most of the displays like the 9341, 9488, st7735 as well as the rs8875 displays require both a CS and a DC pin. There are unique displays that don't have a DC pin but those require...
  4. @KurtE Just to get back to the displays. Just...

    @KurtE

    Just to get back to the displays. Just ran UncannyEyes using 2 ssd1351s. Interesting things are happening - I think I may have said this before - getting CRS with everything lately;

    ...
  5. @KurtE Nice work on explain the memory areas...

    @KurtE

    Nice work on explain the memory areas and what they mean.
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    @skpang Thanks for the confirmation that the...

    @skpang

    Thanks for the confirmation that the sketch works for you. We (@tonton81 and me) did previous testing to verify CAN3 works in CAN2.0 legacy mode.

    @tonton81 is still working on...
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    @kito - @tonton81 I changed your sketch around...

    @kito - @tonton81

    I changed your sketch around a little bit.

    // -------------------------------------------------------------
    // CANtest for Teensy 4.0 using CAN2 and CAN2 bus
    #include...
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    You haven't posted any picture of your wiring or...

    You haven't posted any picture of your wiring or what transceiver you are using so I am taking guesses here. You have rx going to rx on the transceiver and TX going to tx. The high on the can...
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    Make sure teensy 4 is selected. With beta 5 it...

    Make sure teensy 4 is selected. With beta 5 it defaults to 3.2 un r IL u change it
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    You don't need to configure the pins with pinmode...

    You don't need to configure the pins with pinmode the library configures them for FlexCAN automatically. You can give that a try first.

    Another question are you directly from CAN1 to CAN2 or have...
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    void setup() { Serial.begin(9600); ...

    void setup() {
    Serial.begin(9600);
    while(!Serial)
    ;
    Serial.println("I'm starting up");
    }

    void loop() {
    Serial.println("DejaVu"); // comment and uncomment this line
    } That's the...
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    As a real stress test ran @bicycleguy's guy...

    As a real stress test ran @bicycleguy's guy sketch. Still get the awt java exception but the data still flowing to the sermon after 5mins but with fairly high memory usage:
    17281
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    Compiled the usb to serial print test sketch and...

    Compiled the usb to serial print test sketch and got the following:

    Sketch uses 12864 bytes (0%) of program storage space. Maximum is 2031616 bytes.
    Global variables use 15728 bytes (1%) of...
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    Sticky: Just added the link in post #31. Make sure its...

    Just added the link in post #31. Make sure its the T4 branch: https://github.com/mjs513/RA8875/tree/RA8875_t4
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    Sticky: RA8875 Sumotoy Lib v0.79 @KurtE - @defragster...

    RA8875 Sumotoy Lib v0.79

    @KurtE - @defragster - @KE4EST

    Ok folks broke down and got my RA8875 driver board and display from Adafruit. I got it working with the Adafruit library but not the...
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    @KurtE Wow - great stuff - you got done what I...

    @KurtE

    Wow - great stuff - you got done what I was suggesting to define ITCM/DTCM better in imxrt-size.

    Think I agree with @defragster about starting a new thread just so we can keep this all...
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    @PaulStoffregen Thanks for the clarification...

    @PaulStoffregen

    Thanks for the clarification on that one Paul. Now to see I can modify imxrt-size to take that into account.

    Is it possible to make something like that a permanent addition to...
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    @KurtE Thanks for putting this all together. ...

    @KurtE
    Thanks for putting this all together. Going to take me a bit to absorb it all. But just a quick note I think from the other dumps we did in the other thread you are right that it has more...
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    I just what @xfer did and am looking at it. Have...

    I just what @xfer did and am looking at it. Have to do a double check but the lib I downloaded from Arducam did use spi transactions for the teensy. So with that in hand I am going to go back and...
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    With T4.0 the answer is no. Not all the...

    With T4.0 the answer is no. Not all the camera/video pins are broken out with this version. Maybe in a future version they will be. I have had success in attaching an ArduCAM Mini 2MP camera to...
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    @manitou is correct. @ftrias just updated the...

    @manitou is correct. @ftrias just updated the library to work with the T4 a few days ago. See the multithreading thread for more info but the link to the version that now works with the T4 is...
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    @PaulStoffregen Just ran into a very strange...

    @PaulStoffregen

    Just ran into a very strange problem with FlexCAN. Went back to working on FlexCAN FD and ran into a problem that it would hang in flexcanFD init function. Specifically on trying...
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    TEMPMON is active on startup. So in any sketch...

    TEMPMON is active on startup. So in any sketch you are running you have access to the internal temp by simply doing:

    tempmonGetTemp() The function returns a float.
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    Well, if you want another guinea pig to test your...

    Well, if you want another guinea pig to test your board let me know. I pretty much attached everything under sun to the T4 so far.
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    Think the compiled numbers are correct but...

    Think the compiled numbers are correct but available is incorrect. Paul just recently posted about that: https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=211545&viewfull=1#post211545
  26. Of course. I used what you taught me with all...

    Of course. I used what you taught me with all these displays we played with. Actually right now it's only doing 1 line at a time with write Rectangle :). Wanted just to see what would happen.
  27. Try this version of the link:...

    Try this version of the link: https://youtu.be/Fp0MW_M013o
  28. @KurtE Thought I would upload a video on what...

    @KurtE

    Thought I would upload a video on what I did so far with the T4 and ArduCAM and the ILI9341 display: https://www.youtube.com/watch?v=Fp0MW_M0
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    Sticky: @KurtE Good question - probably update SPITFT if...

    @KurtE
    Good question - probably update SPITFT if Adafruit is amiable to the changes for the Teensies. GFX seems to be incorporated into most of the libraries I have seen.
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    Sticky: Might be better to see what has to be added to...

    Might be better to see what has to be added to the ADAFRUIT_RA8875 library from the Sumotoy library. This way it might be easier to support for the Teensies. Both libs look like they only use SPI...
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    Check what I just posted in thread that...

    Check what I just posted in thread that @MichaelMeissner referenced: https://forum.pjrc.com/threads/57216-Teensyduino-1-47-Released.

    Cheeers
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    Sticky: In going the RA8875 lib it looks like all the T3x...

    In going the RA8875 lib it looks like all the T3x stuff is a simple define and for those mcus Sumotoy uses SPI transaction's. I did a quick hack of the lib to add the T3.5/T3.6/T4 to the lib but I...
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    @JBeale The max temp before auto shutdown is...

    @JBeale

    The max temp before auto shutdown is 90C. It can be run hotter if you change that setting in the tempmon.c file in the core.
  34. @KurtE I just did the same thing with the latest...

    @KurtE
    I just did the same thing with the latest version of UncannyEyes I am using:

    Sketch uses 195008 bytes (9%) of program storage space. Maximum is 2031616 bytes.
    Global variables use 77968...
  35. @KurtE - @defragster Here are all the graphic...

    @KurtE - @defragster

    Here are all the graphic files updated with PROGMEM:
  36. @KurtE Just converted defaultEye to use...

    @KurtE

    Just converted defaultEye to use PROGMEM and that seemed to clear up the issue with trashing the USB. But here is another data point for you. DragonEye works fine with using PROGMEM but...
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    @Wingman - when working with servos I tend to...

    @Wingman - when working with servos I tend to PWMServo. As @KurtE mentioned you have a lot more PWM pins to work with.
  38. @KurtE Good explanation on why USB might be...

    @KurtE
    Good explanation on why USB might be getting trashed and why it works on the T3.6 vs the T4.

    Interesting thing is that where I was looking was at those static variables in frame...
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    @ftrias Never realized that - thanks for the...

    @ftrias

    Never realized that - thanks for the explanation.

    Glad you found the stuff that @manitou put together - he has done a lot with timers.

    Good luck
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    @ftrias You may want to read this post in Beta...

    @ftrias

    You may want to read this post in Beta thread on Interval Timer: https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=195605&viewfull=1#post195605, the fix though is in post...
  41. @KurtE Yep. That was it: Loaded in 115 ms...

    @KurtE

    Yep. That was it:

    Loaded in 115 ms

    I think I am going to punt at this point. You of course can do more.

    bmpColors is a uint16_t for colors.
  42. @KurtE The simplest solution gives: File...

    @KurtE

    The simplest solution gives:

    File size: 61496
    Image Offset: 54
    Header size: 40
    Bit Depth: 24
    Image size: 128x160
    Loaded in 219 ms
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    Sadly no - you can not do it within Arducam. You...

    Sadly no - you can not do it within Arducam. You could write the sketch to save the region you are interested in to a array and then do your analysis for domninant color on the T4 itself. I think...
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    Not a problem. Glad you got it working. Good...

    Not a problem. Glad you got it working. Good for me to know that it works for other users as well :)
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    @KurtE Currently using you latest code. I...

    @KurtE
    Currently using you latest code. I downloaded it yesterday.
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    To be honest - haven't a clue on DMA. That part...

    To be honest - haven't a clue on DMA. That part of it has been in @KurtE's domain, so not quite sure how to do that. Sorry.

    But I did do something from within the sketch. I added this:

    ...
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    @jimmie, Sounds like your I2C connections are...

    @jimmie,

    Sounds like your I2C connections are not correct - check that you have SDA going to pin 18 and SCL going to pin 19. Also I had to modify my I2C test sketch - forgot to add something.
    ...
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    @MichaelMeissner Not quite sure how to that...

    @MichaelMeissner
    Not quite sure how to that since are static variables defined in the sketch. Shouldn't these be in low memory anyway? . I did notice that things did get better with Kurt;s later...
  49. @Erik_ - @KurtE Did a little more testing. ...

    @Erik_ - @KurtE

    Did a little more testing. While I was able to read the header info (open your sermon to see the data after you load the sketch) I put the SD Card into an external card reader...
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    @jimmie No that is not normal you should be...

    @jimmie
    No that is not normal you should be seeing AA/55/Rev #. FF's are telling you that communication failed with SPI to the camera.

    A couple of things to check.

    1. Are the ArduCAM and...
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