Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: KurtE

Page 1 of 10 1 2 3 4

Search: Search took 0.03 seconds.

  1. Replies
    2
    Views
    41

    You might look at...

    You might look at https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=209340&viewfull=1#post209340
  2. Replies
    47
    Views
    696

    Hi @ImpulseAdventure and @mjs513... Again I...

    Hi @ImpulseAdventure and @mjs513...

    Again I only know this code at a superficial level.

    Wondering how close it would be if we change getTextBounds actually charBounds
    That in defaultCase...
  3. Sometimes hard to say without actually seeing...

    Sometimes hard to say without actually seeing your actual program?

    Example things to check:
    How are your defining these pins and checking them?

    Are they defined as INPUT_PULLUP? and you are...
  4. @Frank B - Looks interesting, Will be fun to try...

    @Frank B - Looks interesting, Will be fun to try out, once I get some other distractions under control.

    What I am wondering about this, is how hard would it be to have the boards.txt instead of...
  5. Replies
    2
    Views
    65

    Sorry, I may be missing something, but how...

    Sorry,

    I may be missing something, but how would you expect Serial1.available() to work in this case?

    I believe you replaced the ISR that Serial1 would use to receive the characters and place...
  6. Can you run 2 displays with DMA? I have not...

    Can you run 2 displays with DMA? I have not done so with these displays, but have with others, and you may be able to do so and a few things may need to be fixed...

    1) Enough memory -...
  7. What I don't know (actually expect the answer is...

    What I don't know (actually expect the answer is no) is if I can do something like:


    extern FLASHMEM {
    ....
    }

    like you might do with:

    extern "C" {
  8. The first thing I would recommend is trying to...

    The first thing I would recommend is trying to run it on the current up to date versions of teensyduino
    That is you might try Teensyduino 1.50 or 1.51.beta1... As some things have been fixed for...
  9. Replies
    201
    Views
    4,755

    @JImKazmer - net sure what this has to do with...

    @JImKazmer - net sure what this has to do with Teensy 4 which pins....


    But I do try to make the spreadsheet as accurate as possible and as usable to myself as possible.

    I should mention...
  10. Replies
    47
    Views
    696

    @impluseAdventure - Having some fun here. ...

    @impluseAdventure - Having some fun here.

    Note: with the Sumotoy RA8875 stuff - as you probably already know SumoToy has not been actively doing anything with the the drivers he has done a great...
  11. Replies
    47
    Views
    696

    Nice little small demo... I have other stuff...

    Nice little small demo...

    I have other stuff to do this morning... SO may not get much farther, plus I want to have some fun and solder a board
    together....

    I have some of the code in for the...
  12. What I think I was running into is I believe with...

    What I think I was running into is I believe with the linkers, that the order of the includes in the command line is important. And I ran into an issue where:
    you have something like: <some...
  13. Replies
    27
    Views
    1,281

    @tbitson - If I am understanding what you are...

    @tbitson - If I am understanding what you are mentioning. With the new restrictions that Apple put on software, I don't believe PJRC no longer has the ability to patch anything. They must get the...
  14. Replies
    47
    Views
    696

    I have the beginnings of something maybe starting...

    I have the beginnings of something maybe starting to work with the RA8875 driver...

    Note your example with text is showing up with nothing (blank screen). I am for sure not properly handling...
  15. Replies
    47
    Views
    696

    @mjs513 - Yes I added that one and builds......

    @mjs513 - Yes I added that one and builds... Fails to init the RA8875 so far...

    Right now trying to build a version with RA8875.h file will see how bad that goes.

    EDIT - Yep although I don't...
  16. Replies
    47
    Views
    696

    Note: I should point out that my needing to...

    Note: I should point out that my needing to reset/reboot may be some other issue, or may simply be someone needs to work with Adafruit to see where the issue may be... May need to see if the...
  17. Sorry I have no idea of what the selling points...

    Sorry I have no idea of what the selling points are of the HK...

    Some of our work here so far is just playing around. My first thought on these was it would be nice to have a display with the...
  18. Replies
    47
    Views
    696

    Sorry, I don't know exactly your setup? That...

    Sorry, I don't know exactly your setup?

    That is I downloaded (forked and cloned from) https://github.com/ImpulseAdventure/GUIslice

    As far as I can tell it does not know anything about Teensy...
  19. Another update. I just put in a Pull Request to...

    Another update. I just put in a Pull Request to Adafruit_SSD1306 library that makese the spiSettings member variable protected instead of private.

    This allowed me to then create a sub-class of...
  20. Quick FYI - The Adafruit_ssd1306 library works as...

    Quick FYI - The Adafruit_ssd1306 library works as well, if you edit the constructor sources and change SPI_MODE0 to SPI_MODE3.
  21. :o - I started off by adding it to the...

    :o - I started off by adding it to the ILI_Ada_FontTest4 and when nothing showed up, I then was about to add some more debug printing, but decided to first see if the font data looked reasonable... ...
  22. Looks like it is doing exactly what it is...

    Looks like it is doing exactly what it is supposed to do with Rubik_Regular.... You might want to ask Frank about this one...

    For example I tried to output 12 pt version... So if you look at the...
  23. Sorry I am not fully understanding your question,...

    Sorry I am not fully understanding your question, especially when you talk about D0 and D1?

    But if you are asking can you use Digital pins 0 and 1 as connections and use it to do USB to replace...
  24. I believe when you choose USB as RAWHID, it...

    I believe when you choose USB as RAWHID, it acutally does create 2

    That is the one RAWHID is the one you would talk to using the normal RAWHID stuff.

    The 2nd one is the Serial Emulation HID......
  25. You might take a look at the snooze library:...

    You might take a look at the snooze library: https://github.com/duff2013/Snooze

    And probably do a search here on the forum for more information on this.
  26. Replies
    47
    Views
    696

    Also maybe check the SPI speed. Maybe depending...

    Also maybe check the SPI speed. Maybe depending on your setup, it is trying to drive SPI too fast...
  27. Thread: Arduino 1.8.12

    by KurtE
    Replies
    6
    Views
    308

    @Paul - It is probably a good thing as I know you...

    @Paul - It is probably a good thing as I know you probably needed some other stuff to do. :D ;)

    Hopefully from their release notes, this does not imply that 1.8.13 is really soon as well?
  28. Replies
    3
    Views
    75

    As far as I know, the i2c_t3 library has not been...

    As far as I know, the i2c_t3 library has not been ported over to the T4.

    However the Wire library does (and has) support all of the I2C busses on all of the Teensy boards.

    But the I2C_t3...
  29. Sorry I am not an expert in a lot of the Analog...

    Sorry I am not an expert in a lot of the Analog stuff. Did help out some to get it working on T4...

    Data sheets for all of the processors can be downloaded from:...
  30. You might take a look at the ADC Library? There...

    You might take a look at the ADC Library? There is a thread that describes a lot about it: https://forum.pjrc.com/threads/25532-ADC-library-with-support-for-Teensy-4-3-x-and-LC
  31. A couple of different thoughts here.. Sorry if...

    A couple of different thoughts here.. Sorry if some of these are maybe are again probably a little off the topic.

    One of the great things about open source software is we are all free to try out...
  32. @mjs513 added another delta to PR... The later...

    @mjs513 added another delta to PR... The later add to ILI9341_t3n where in writeRect you can pass in CENTER, CENTER and it does the simple math of computing how to center the image...

    Updated the...
  33. Quick update: @mjs513 did the work to make a...

    Quick update: @mjs513 did the work to make a version of my(our) ILI9341_t3n library that works now with this HX... display.
    Which is up at: https://github.com/mjs513/HX8357_t3n

    I picked up my...
  34. Replies
    15
    Views
    846

    A quick hack up of the T4 slave code from other...

    A quick hack up of the T4 slave code from other thread, where I feed it data from SPI1 on the same T4...


    #include <DMAChannel.h>
    #include <SPI.h>
    #define PRREG(x) Serial.print(#x" 0x");...
  35. Sounds like the FLIGHTSIM_INTERFACE one is maybe...

    Sounds like the FLIGHTSIM_INTERFACE one is maybe a bug (maybe a convenient bug)

    It is also interesting that the undef header file might not be included in T4 sketches in the same way...

    ...
  36. Replies
    15
    Views
    846

    Things like this are a lot easier to help with,...

    Things like this are a lot easier to help with, if you post your current example code. That way might be able to see if there is something obvious. And maybe a description of a simple setup.

    A...
  37. Replies
    7
    Views
    747

    Note: Paul mentioned in the earlier thread on...

    Note: Paul mentioned in the earlier thread on larger version of Teensy: https://forum.pjrc.com/threads/58028-Pins-to-bring-out-on-a-hypothetical-larger-Teensy4?p=219038&viewfull=1#post219038
    That...
  38. @Nominal Animal - Differences I see between the...

    @Nominal Animal - Differences I see between the controllers.

    Mainly SPI 4 wire I believe supports 16 bit color mode where as it does not on ILI9488. So implies we can send 2 byte pixel values...
  39. I just ordered one from Amazon... Maybe here...

    I just ordered one from Amazon... Maybe here tomorrow...

    I suspect it may be more of an issue of which MODE does the display use?
    SPI_MODE0, SPI_MODE1... 3 ?

    The only caveat here than is...
  40. Note, personally I am not worried about the topic...

    Note, personally I am not worried about the topic being hijacked :D
  41. Replies
    59
    Views
    2,475

    Hi @Frank, sorry to hear about your display... ...

    Hi @Frank, sorry to hear about your display...


    FyI I ran the LCDemo7Segement on A T2... (Don't have many of these) This one was part of my XV Lidar Controller V1.2 of GetSurreal.com...

    The...
  42. This all sounds great... But not sure exactly...

    This all sounds great... But not sure exactly where all to take this. That is most all of our stuff has a common ancestry with the Adafruit drivers. The big exception is the RA8875.. Mainly some of...
  43. Sorry, not really sure what you are asking... ...

    Sorry, not really sure what you are asking...

    Fastrun code - Currently on T4, unless you specifically tell it otherwise all of the code is copied down to ITCM (fast run)... There are ways to...
  44. Thanks Projectis... Long term, I think adding...

    Thanks Projectis...

    Long term, I think adding all of that would be great. Right now just playing with the basics. Each of the current drivers like ILI9341_t3, ILI9488_t3, ST7735_t3/ST7789_t3,...
  45. Replies
    3
    Views
    95

    I was curious, so I thought I would take a quick...

    I was curious, so I thought I would take a quick look,

    Looks like this one would be a bit of a challenge and it is not something I have or use... Actually I think I did buy one in my last PJRC...
  46. @mjs513 - Will be fun to try out the stuff when...

    @mjs513 - Will be fun to try out the stuff when the Adafruit display arrives...

    In the Mean time, I spent some time discussing SPI versus buss output in another thread, and mentioned some about...
  47. Good luck, sounds like a fun project... As for...

    Good luck, sounds like a fun project...

    As for using LCD driver commands... Like scrolling, personally if I were developing something that had a large portion of my screen scrolling, that would be...
  48. I am not an expert on this... But a quick...

    I am not an expert on this...

    But a quick look at the sources:
    In particular FreqMeasure\util\FreqMeasureCapture.h

    I see the section:

    // Teensy 3.1, 3.2, 3.5, 3.6
    #elif...
  49. Replies
    32
    Views
    335

    Sorry, I am unsure from all of the descriptions...

    Sorry, I am unsure from all of the descriptions on where the problem is? Is it the Teensy is not receiving the data or the data output from the Teensy is not seen on the other end?
    Also it might...
  50. Yep sometimes some of us don't spell very well. ...

    Yep sometimes some of us don't spell very well. :0

    Note: the main reason we added the palette mode to the ILI9488_t3 was when we started playing on it, it with with the T4 Beta 1 board which...
Results 1 to 50 of 500
Page 1 of 10 1 2 3 4