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    Looks like you forgot to include the new code? I...

    Looks like you forgot to include the new code? I should have a new Teensy with the chip on it by the end of the week.
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    I understand this, but I thought the basic...

    I understand this, but I thought the basic commands encoded into the lookup table would still mirror the traditional method?
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    I assume you've looked at the example LUTs in...

    I assume you've looked at the example LUTs in sections 27.6.5 and 27.6.3 in the reference manual? I'm trying to get the HW guy to build me up a 4.1 so I can help, since I think the WSON package is...
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    Great job! Can anyone confirm that my reading of...

    Great job! Can anyone confirm that my reading of the datasheet that "regular" SPI can't use the lookup tables and so we'll need two versions of the low level calls correct?
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    As I said I unfortunately began by hacking on a...

    As I said I unfortunately began by hacking on a GPL codebase so I shouldn't just post code without carefully verifying that it's actually stuff that I wrote, but here are a few snippets to help get...
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    NAND flash support in 1.54

    Paul mentioned adding some "official" NAND flash support in the 1.53 Beta #2 thread, initially targeting the Winbond W25N01GVZE1G. Since I'm using that in my current project and I haven't seen a...
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    Is a potential change to an abstract base File...

    Is a potential change to an abstract base File still on the table for 1.53 as mentioned here?...
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    .text.itcm : { . = . + 32; /* MPU to trap NULL...

    .text.itcm : {
    . = . + 32; /* MPU to trap NULL pointer deref */
    *(.fastrun)
    *(.text*)
    . = ALIGN(16);
    } > ITCM AT> FLASH
    From...
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    All the code on the Teensy 4/4.1 is running from...

    All the code on the Teensy 4/4.1 is running from RAM by default. There's a big thread about how exactly the RAM sections on the IMXRT1062 work here:...
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    No. There is a bootloader on a separate chip...

    No. There is a bootloader on a separate chip which will be available to purchase at some point, but is not yet.


    Yes, but there are much easier ways to add more I/O to the Teensy depending on...
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    Paul comments with exact placement of the...

    Paul comments with exact placement of the interior headers here: https://forum.pjrc.com/threads/60851-T4-1-ethernet-and-usb-host-pin-alignments-dimensions?p=238986&viewfull=1#post238986
  12. Excellent. I'll keep an eye on the 1.53 thread...

    Excellent. I'll keep an eye on the 1.53 thread and see if there's any way I can help out then.
  13. Removing audio tool references to and

    Right now SD.h and SerialFlash.h are always included in the generated audio code. I've modified the GUI javascript to include a "headers" field in the node definitions so that they are only included...
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    Congratulations! Site seems totally fine as well.

    Congratulations! Site seems totally fine as well.
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    This is the manufacturer. It doesn't look like...

    This is the manufacturer. It doesn't look like they have a Teensy 4 version yet. https://docs.pixelmatix.com/SmartMatrix/index.html
  16. There's an addStorageForRead() method on the HW...

    There's an addStorageForRead() method on the HW serial ports which looked like it was appending onto the incoming buffer, but maybe it's not implemented, or Paul probably would have mentioned it?
  17. It still shows up as a HID device and the Teensy...

    It still shows up as a HID device and the Teensy loader app is able to talk to that. It just doesn't exist as a serial port. In Teensyduino while it's in that state it shows up in the Port list as...
  18. I may have run into this as well, and was able to...

    I may have run into this as well, and was able to resolve it if it was the same thing.

    It appears that the built-in blink sketch is putting the Teensy4 USB into RawHID mode instead of Serial mode....
  19. The memory taken by functions in RAM is allocated...

    The memory taken by functions in RAM is allocated in 32k blocks so FLASHMEM only makes a difference when you cross a new block border.
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    Normally you'd use realloc() and increase it by a...

    Normally you'd use realloc() and increase it by a certain sized chunk if it needs to grow. However if your program is simple enough there's no reason not to just preallocate your arrays as long as...
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    Fantastic! Really looking forward to this. Any...

    Fantastic! Really looking forward to this. Any chance you'll be releasing the exact pin assignments early, or does that fall under the no photos policy?
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    I've started a project with the 1 Gbit...

    I've started a project with the 1 Gbit W25N01GVZEIG NAND chip. Still very early but it doesn't seem too terrible to deal with, it has some features to allow you to remap bad sections and other...
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    Sorry everyone, wcalvert isn't insane. I deleted...

    Sorry everyone, wcalvert isn't insane. I deleted a post because I saw he had posted in the thread I was pointing out and in the meantime he responded here. Carry on.
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    Probably not until there's a version with the...

    Probably not until there's a version with the bootloader, but I'll keep close tabs on your progress and see if I have the time to commit for it to make sense earlier.
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    I think this is a great idea, and would love to...

    I think this is a great idea, and would love to see official Teensy releases available in this form factor (although a board like this using the boot chip so Paul gets a cut is the next best thing.)...
  26. I've only used it a little bit and not recently...

    I've only used it a little bit and not recently but I have a similar machine and you'll definitely want to use some junk boards to calibrate the heating profile with your solder. In my experience...
  27. I'm doing something similar here (sorry it's kind...

    I'm doing something similar here (sorry it's kind of ugly test code): https://forum.pjrc.com/threads/57211-Teensy-4-DMA-to-LPUART
  28. Paul said in one of the 4.0 threads that it was...

    Paul said in one of the 4.0 threads that it was too early to talk about potential future designs, but it appears to be a popular request.
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    Awesome, Thanks. Any opinion on the more...

    Awesome, Thanks.

    Any opinion on the more general question of how you'd like us to report issues with the libraries?
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    "Right" way to submit bug reports

    This seems like a pretty basic question, but I can't find it stated anywhere. What's the preferred way to submit bug reports in the Teensy libraries? A thread here? An issue report on GitHub? A pull...
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    There are some errors in the DMAMUX_SOURCE values...

    There are some errors in the DMAMUX_SOURCE values in imxrt.h

    The RX and TX are reversed at least for DMAMUX_SOURCE_LPUART6 and probably others.

    Here's my thread about trying to get DMA to UART...
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    Looks like some of the DMAMUX_SOURCE definitions...

    Looks like some of the DMAMUX_SOURCE definitions in imxrt.h are wrong. I'll report it as a bug.

    imxrt.h source
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    Teensy 4 DMA to LPUART?

    Has anyone done any serial DMA yet? I'm trying to update a working piece of 3.2 code that dumps data to serial using DMA and I'm not having any luck so far on the 4.0. It doesn't go into my DMA...
  34. It's a little annoying, but you can look up the...

    It's a little annoying, but you can look up the pin ports and indices in the Teensy 4 library files.
    core_pins.h on GitHub

    A few people in the beta thread have been doing DMA stuff, but I haven't...
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    I was thinking for the background color, not the...

    I was thinking for the background color, not the text. i.e. the light gray background would be pink (or current light gray with a pink stripe?) to indicate the PWM capable digital pins and then the...
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    What about just using the PWM color instead of...

    What about just using the PWM color instead of gray on the pin numbers that support PWM and removing the label entirely?
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    On reading the actual reference manual and not...

    On reading the actual reference manual and not just the product sheet the scaling and rotation hardware appears less capable than I hoped, and probably not worth dealing with unless you also had...
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    I didn't find anything with the thread search,...

    I didn't find anything with the thread search, but has anyone in the beta group tried anything with the Pixel Pipeline hardware? It seems like it has the hardware for a SNES/GBA style hardware...
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    You could always use a matrix for your input...

    You could always use a matrix for your input buttons. Either 6x6 driven directly by the Teensy or a single 8bit serial to parallel chip for the driver side and 4 inputs for the read.
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    The SmartMatrix...

    The SmartMatrix library is as good as you're going to do for those panels. It uses chained DMA transfers to fill the data and address lines. I'm not shocked to hear you're having stuttering trying to...
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    I have example code for generating DMD signals...

    I have example code for generating DMD signals mimicking various pinball platforms up on GitHub. These were for debugging and aren't at all efficient, but might help as a proof of concept. You'll...
  42. I've never used this product, but presumably if...

    I've never used this product, but presumably if you want to talk to the screen you want OLEDCS.
  43. https://learn.adafruit.com/adafruit-1-5-color-oled...

    https://learn.adafruit.com/adafruit-1-5-color-oled-breakout-board/wiring-and-test
  44. Caveat: Everything I "know" about this I learned...

    Caveat: Everything I "know" about this I learned last week from the internet.

    The short answer is you probably don't need to worry about it. Those vias might be an issue, but I'm not clear on...
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    I actually wondered about that, but from my...

    I actually wondered about that, but from my fairly ignorant viewpoint that seemed worse than losing some analog pins and adding a very short trace on the bottom of the board. Maybe if I finish it and...
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    MKL04 Pin Ordering

    This is more curiosity than a feature request, but is there some reason for the specific MKL04 pins being used? It almost seems like the order is capriciously chosen to make it annoying to route...
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    It may have been mentioned earlier in the thread,...

    It may have been mentioned earlier in the thread, but have you considered adding one (or more?) additional rows of outside pins to the short "end" of the board. That seems much easier to deal with...
  48. This is already what happens - if you look at the...

    This is already what happens - if you look at the code in attachInterrupt() here https://github.com/PaulStoffregen/cores/blob/master/teensy3/pins_teensy.c you'll see that there's one actual interrupt...
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    Relative order of pin changes on port

    I have a case where I'd like to essentially latch a value from one pin on the edge of another pin on the same port, and reading the pin in my interrupt isn't fast enough to reliably capture the...
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    The SPI section of the reference manual uses SIN...

    The SPI section of the reference manual uses SIN and SOUT, but DIN and DOUT is better if that's what the reference card uses.
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