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Type: Posts; User: LitterBug

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    Glad to be of help. I can't believe I looked at...

    Glad to be of help. I can't believe I looked at that statement so many times and missed that the color ordering field was missing. Ahh well, Glad I could be of help. Great to see pictures of...
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    I tried to complile it on mine, but I am missing...

    I tried to complile it on mine, but I am missing the library for the #include<input.h> . Do you know what library that you installed for that?


    EDIT:
    You need to add the LED color order to...
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    Can you please provide everything in the error...

    Can you please provide everything in the error box? There can be other clues that we are not seeing.
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    Please paste your code between code wrappers. ...

    Please paste your code between code wrappers. It is very difficult to help debug code otherwise.

    See picture:

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    If you are using the WS2812SERIAL library, you...

    If you are using the WS2812SERIAL library, you need to swap the FastLED.addLeds command with LEDS.addLeds


    // FastLED.addLeds<WS2812B, ledDataPin>(leds, numLeds);
    LEDS.addLeds<WS2812SERIAL,...
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    When you paste code to the forum, it makes it...

    When you paste code to the forum, it makes it easier to work with if you have it wrapped in code tags (use the # button above the text box) so we can make sure that we are not grabbing more than...
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    I modified the DemoReel100 to use the same...

    I modified the DemoReel100 to use the same initialization that is used in the Teensy WS2812SERIAL demo, and it works.
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    I get similar results. Works fine with one of my...

    I get similar results. Works fine with one of my APA102 strips on the T4.1

    Probably a timing issue with the standard FastLED WS2812 library running on the Teensy 4.x.

    Have you checked on the...
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    Sorry if I was a little thick headed, but I have...

    Sorry if I was a little thick headed, but I have seen the light. :)
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    I think I see the error in my ways after a lot...

    I think I see the error in my ways after a lot more digging.

    I think there is an easy workaround whether or not the vselect signal is output on the intended pin or not. There is nothing stopping...
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    Which is an internal signal handled by the IOMUX.

    Which is an internal signal handled by the IOMUX.
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    The IOMUX is an internal component of the CPU. ...

    The IOMUX is an internal component of the CPU. it is NOT exposed. VSELECT gets set by writing to CMD6. The IOMUX does the the voltage change internally.

    For SDIO cards, the high speed...
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    Those are internal pins on the IOMUXC. Not...

    Those are internal pins on the IOMUXC. Not exposed pins. The voltage selection and change happens inside the CPU via a configuration register.

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    The NXP reference board has the SD VDD wired the...

    The NXP reference board has the SD VDD wired the same to 3.3v, and pretty much the rest of the SD slot for that matter. No level shifter between the CPU and SDcard.
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    The SDCARD SDIO...
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    It is handled internal to the CPU. no external...

    It is handled internal to the CPU. no external hardware is necissary.
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    Just a quick update on my uSDHC / UHS-I / SDR104...

    Just a quick update on my uSDHC / UHS-I / SDR104 findings. People over on the NXP forums have in fact run these iMXRT106x chips successfully at full UHS-1 specifications. There is a register that...
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    OOoooo nice! I've been wanting to clean up my...

    OOoooo nice! I've been wanting to clean up my installs. Amazing how fast I get them polluted with excess stuff. Will throw it down on Ubuntu and W10.
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    From what I'm reading in the CPU specs and...

    From what I'm reading in the CPU specs and manual, That can be done using the SD/SDIO interfaces. Data sheets are here https://www.pjrc.com/teensy/datasheets.html
    High level DataSheet:...
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    These numbers suggest we are using High Speed...

    These numbers suggest we are using High Speed Mode (25 MB/s) 50mhz-4bit clocking and not UHS clocking. Wonder if the hardware can handle at least the slower 100Mhz UHS clock and 50MB/s. I won't beg...
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    I don't have any of the EVO Selects, but I have...

    I don't have any of the EVO Selects, but I have been doing my own playing and bench testing of cards on a 4.1, 1-54B4, with the Built in reader and FIFO_SDIO. All of these cards have worked. I can...
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    @mwpaus I am like you just starting down the...

    @mwpaus
    I am like you just starting down the Teensy 4.1 path after picking one up the other day. I'm looking for the best SD performance I can get for various data logging, data replay, etc. So...
  22. Downloaded and installed 1.54 beta4, which fixed...

    Downloaded and installed 1.54 beta4, which fixed the compile errors on the SD test code above.

    Quick test on an older Samsung Evo 32GB

    Thanks for the tip!

    ...
    230 MBytes
    240 MBytes
    250...
  23. Good to know. Where are the beta releases...

    Good to know. Where are the beta releases stored?

    EDIT: NVM Found them
  24. Hi @mborgerson, I am new to the Teensy world...

    Hi @mborgerson,
    I am new to the Teensy world after picking up a 4.1 recently but have been around Ardu, linux, unix, etc. for a long time. I am interested in running the SD bench you listed, but am...
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