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    Hadn't thought of that. It was a crazy idea.

    Hadn't thought of that. It was a crazy idea.
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    Crazy idea for for saving space and time: ...

    Crazy idea for for saving space and time:

    Remove the "const" for the declaration to pcolors, then rotate the data within the source buffer in place, call bteMpuWriteWithROPData8 and then rotate...
  3. Ah, that makes sense. I hadn't tried that...

    Ah, that makes sense. I hadn't tried that myself.

    My workaround is just above that:...
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    Wait, is writeRect() the same as putPicture()?

    Wait, is writeRect() the same as putPicture()?
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    Thanks, @KurtE! I'll give it a try. I do see...

    Thanks, @KurtE! I'll give it a try.

    I do see one issue, though, as the max size for all displays is not 1024 (it's 1280 in the ER-TFTM0784) so the size of rotated_row will be an issue. Also, it...
  6. Check out this tip: ...

    Check out this tip: https://forum.pjrc.com/threads/58781-PlatformIO-how-to-compile-for-Teensy-4-0-with-beta-core?p=245985&viewfull=1#post245985
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    Thanks for letting me know. My changes shouldn't...

    Thanks for letting me know. My changes shouldn't break the support for the existing display, except for the removal of some global constants. Have you tried my changes on your display?

    If it's...
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    Agreed, they'll definitely need to share a...

    Agreed, they'll definitely need to share a ground. The WS2813's have a minimum VDD of 3.5v, so I wouldn't run them at 3.3. And at 5v, they'll need 3.5v for the data line, so they'll need a level...
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    Sounds like an interesting project. I'm also...

    Sounds like an interesting project. I'm also working on a keyboard with high power requirements (LCD and backlights). vjmuzik's advice is good, that's what I was planning on doing, though I wasn't...
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    Hi. I see that my pull request for the...

    Hi. I see that my pull request for the ER-TFTM0874 was backed out. Will you be able to merge it back in now? Or do you need me to update something?

    Also, I've been trying to port over a...
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    Thanks Which display did you see this behavior...

    Thanks Which display did you see this behavior on? How is it different than before? (A pic might be helpful to me...)
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    Good question. I only have an ER-TFT074. I was...

    Good question. I only have an ER-TFT074. I was hoping somebody here could give it a shot.

    I'll change the graphics.ino back to defaulting to the original display. I'll also add a separate...
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    I've submitted a patch to get started on the...

    I've submitted a patch to get started on the ER-TFT074 support. It's here: https://github.com/wwatson4506/Ra8876LiteTeensy/pull/5

    Comment:

    Here's a patch for adding support for the...
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    While I'm working on support for the ER-TFTM0784...

    While I'm working on support for the ER-TFTM0784 can somebody summarize for me which examples should be working? I'd like to test as much as I can...
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    Thanks for the excellent work on this library...

    Thanks for the excellent work on this library all! I've gotten an ER-TFTM0784 working well here and am impressed by the speed and quality of the software and hardware combo. Really digging the...
  16. Another +1! I too subscribe to the "all warnings...

    Another +1! I too subscribe to the "all warnings are errors" philosophy.

    @silverlock: My opinion of the spurious compiler warnings is that they are also errors, but possibly in the compiler. ...
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    What CAD tool are you using? If you are using...

    What CAD tool are you using?

    If you are using KiCAD to design your board, there's a footprint here: https://github.com/XenGi/teensy.pretty
    And one for Eagle here:...
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    Looking at the datasheet for the RT1060 , the...

    Looking at the datasheet for the RT1060 , the current consumption of the crystal oscillator is about 6.5uA (p.32) plus the RTC consumption of 20uA for the SVNS (p.26). So, 29uA sounds about right.
  19. Works for me on Chrome on Mac 20880

    Works for me on Chrome on Mac 20880
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    Looks great, thanks for posting this!

    Looks great, thanks for posting this!
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    My version draws the background color and the...

    My version draws the background color and the foreground color for each character without drawing the same pixels twice. The old character drawing code only draws the foreground, so you'd need to...
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    Got it, thanks! Latest KiCad footprints with 3d...

    Got it, thanks! Latest KiCad footprints with 3d models here: https://github.com/blackketter/teensy.pretty
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    I measured the tallest parts on the back as being...

    I measured the tallest parts on the back as being about 0.7mm high.
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    Thanks Mark, it looks good but whoa, that is big!...

    Thanks Mark, it looks good but whoa, that is big! Not sure if it makes sense to use a 118MB model in the footprint library. I think I'll just use Jack's for now.
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    Ah, I missed that! I think KiCad needs STEP...

    Ah, I missed that! I think KiCad needs STEP files, so hopefully we can get conversions to that...
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    Looks good! Would you mind if I included it with...

    Looks good! Would you mind if I included it with the KiCad footprint for the Teensy here: https://github.com/blackketter/teensy.pretty

    If that's ok, let me know how you'd like credit.

    Pin...
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    I've been thinking about this problem too and...

    I've been thinking about this problem too and decided to use a second Arduino board (Teensy LC?) and connect the two of them via a serial or i2c connection. Then it's a small matter of software.
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    +1 For PlatformIO! PlatformIO uses the same...

    +1 For PlatformIO!

    PlatformIO uses the same tools and code from the Teensyduino installer, so it should be equivalent. There is sometimes a lag between Teensyduino releases and when that code...
  29. A few more questions: - How much data are we...

    A few more questions:

    - How much data are we talking about? 5kB? 50kB? 50MB?
    - How fast do you need the parsing to be?
    - Can the parsing happen once at boot time and then be cached in a faster...
  30. Try putting another resistor in series with the...

    Try putting another resistor in series with the switch to form a voltage divider. A 270k resistor will put the pin at 100k/(270k+100k)*12 or about 3.24v.
  31. That matches what I've measured with my (cheap)...

    That matches what I've measured with my (cheap) calipers. Here's a high(ish) resolution photo of my beta board front:

    20079
  32. Yes, the ethernet connector 2mm spacing and is...

    Yes, the ethernet connector 2mm spacing and is centered between pins 20 and 21. It also has smaller holes, appropriate for the smaller 2mm pins.

    Also, I believe that the vertical (in your...
  33. I measured the 2mm spacing ethernet header to be...

    I measured the 2mm spacing ethernet header to be centered between pins 20 and 21, and the centers of the closest pair of ethernet pins 0.1" below those two pins.

    The USB Host pins appear to be in...
  34. If you are using KiCad, I made a footprint, which...

    If you are using KiCad, I made a footprint, which has been merged here: https://github.com/XenGi/teensy.pretty

    Symbol here: https://github.com/XenGi/teensy.pretty


    These have not been...
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    The silicone top buttons in the Behringer device...

    The silicone top buttons in the Behringer device are likely made from a rubber key mat that has conductive carbon "pucks" at the bottom. When pressed, those short out contracts on a PCB underneath. ...
  36. Ha, sorry, that's important information. Here's...

    Ha, sorry, that's important information. Here's the repo for the cores: https://github.com/PaulStoffregen/cores
  37. Paul committed @sliverlock's change to the cores...

    Paul committed @sliverlock's change to the cores directory, so the T4 RTC should work correctly across power cycles (assuming there's a battery on VBAT) in the next beta release.
  38. I can confirm that Silverlock's fix works for me...

    I can confirm that Silverlock's fix works for me on T4 as well.

    Have you considered submitting a patch for this?
  39. If you are willing to step away from the Arduino...

    If you are willing to step away from the Arduino IDE, try out PlatformIO. https://platformio.org

    You can specify specific versions of libraries on a per-project basis, both from different sources...
  40. There's another Teensy board in beta now, based...

    There's another Teensy board in beta now, based on Teensy 4.0, called 4.1. :)

    You can see some discussion of it here: https://forum.pjrc.com/threads/60532-Teensy-4-1-Beta-Test
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    Ah, ok. Can anybody with one confirm that it's...

    Ah, ok. Can anybody with one confirm that it's just wires and connectors?
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    I can't seem to find a reference for the circuit...

    I can't seem to find a reference for the circuit needed for the ethernet port. Is it as simple as wiring a RJ-45 with integrated magnetics and maybe a current limiting resistor for the LED?
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    I've only used serial to connect to an ESP32, but...

    I've only used serial to connect to an ESP32, but hope to use the WifiNina firmware soon. Can you show the pins you are using to connect the two?
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    The 5v pin on the 5-pin USB Host connector is...

    The 5v pin on the 5-pin USB Host connector is connected to the output USB current limit switch on the Teensy 3.6. You'll need to splice the connector and feed the 5v from the hub to the VUSB pin on...
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    I went ahead and added it. Here's what the...

    I went ahead and added it. Here's what the symbol looks like:

    19857
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    Great, thanks! One question: Is there value in...

    Great, thanks!

    One question: Is there value in putting locations for pogo pins to connect to the USB device pads in the KiCAD footprint?
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    2mm pitch pin header. Something like...

    2mm pitch pin header. Something like https://www.digikey.com/product-detail/en/metz-connect-usa-inc/PR20C03VBDN/1849-1000-ND/7794765 should work.
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    I've made KiCAD symbols and footprints based on...

    I've made KiCAD symbols and footprints based on the beta sample I received yesterday.

    Available here:

    Symbols: https://github.com/blackketter/teensy_library

    Footprints:...
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    Excellent! I added some feedback to the pull...

    Excellent! I added some feedback to the pull request.


    Have you considered using the exiting Teensy RX6/TX6 to the ESP32 TXD0/RXD0 for communications? It won't be fast, but the I2C isn't that...
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    "Bottom pins" means footprints for the memory...

    "Bottom pins" means footprints for the memory chips?
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