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    @mjs513 @defragster - Yes it might be good to...

    @mjs513 @defragster - Yes it might be good to allow higher speeds. And the table 46-9 gives a pretty good idea of the settings.

    Don't have time right now to try, but

    You probably would need...
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    I am no expert in I2C, but did fill in some of...

    I am no expert in I2C, but did fill in some of the stuff during the beta. I think the clock stuff was done before then...

    Some of this is controlled by which clock is used by I2C.

    This is...
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    These are two different things: Slave SPI and...

    These are two different things: Slave SPI and Slave I2C

    Both should be possible.

    As mentioned the i2c_t3 library supports slave mode on T3.x... Last I noticed on issues up on this library is...
  4. Suggestion: If you are going down using two...

    Suggestion: If you are going down using two serial ports, suggest using Serial1 and Serial2 over using Serial3/4/5... As the first two hardware ports have larger hardware buffers built in, so they...
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    I have some Logic Analyzers from Saleae:...

    I have some Logic Analyzers from Saleae: https://www.saleae.com/ which are not cheap. I currently actually have 3 of them. I have one of their old 16 bit ones, then when they had the equivalent of...
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    Glad it is working. I tried the delay as I...

    Glad it is working.

    I tried the delay as I first looked at it with Logic Analyzer and it looked like the I2C Speed was within spec... And the first register read returned what appeared to be...
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    Actually if I remove those delays and put a...

    Actually if I remove those delays and put a delay(1) in readRegister like:

    uint8_t Adafruit_CAP1188::readRegister(uint8_t reg) {
    if (_i2c) {
    delay(1);
    ...
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    For what it is worth, I did order one which...

    For what it is worth, I did order one which arrived today, and can verify...

    Product ID: 0x50
    Manuf. ID: 0x1
    Revision: 0x1
    CAP1188 not found



    I believe it is a timing issue. As if I...
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    Sorry I have not done anything with CanBus or LIN...

    Sorry I have not done anything with CanBus or LIN type stuff, so hard to know exactly what you are trying to do... So hopefully someone who does play/work with this stuff can give more answers. ...
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    I thought about ordering one from Amazon...

    I thought about ordering one from Amazon (https://smile.amazon.com/CAP1188-8-Key-Capacitive-Touch-Sensor-Breakout-12C/dp/B00R5CBKOG) which they say could be delivered tomorrow, but I figured I have...
  11. I could be wrong, but my understanding is that...

    I could be wrong, but my understanding is that you have the BuyDisplay ILI9488 display: https://www.buydisplay.com/default/serial-spi-3-5-inch-tft-lcd-module-in-320x480-optl-touchscreen-ili9488...
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    I think there is more details in the beta thread,...

    I think there is more details in the beta thread, but most of them are test points, which are used to test boards. Many are to different voltages, which are used internal to board. If I remember...
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    Might help to have additional information, like...

    Might help to have additional information, like what Teensy? What pins are you hooked up to? Pictures are good as it helps find things like, if someone put their Teensy on a breadboard, but the...
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    Sticky: Back? they never were there ;) There has...

    Back? they never were there ;)

    There has been probably 10 threads on this already...

    As Paul mentioned in the thread:...
  15. Another FYI - I took the program above and...

    Another FYI - I took the program above and converted it to use the capactive touch library.... And so far I have not had the display reset directions...

    #include "SPI.h"
    #include "ILI9488_t3.h"...
  16. My BuyDisplay ILI9488 display is the ER-TFTM035-6...

    My BuyDisplay ILI9488 display is the ER-TFTM035-6 type: I think it is more or less: https://www.buydisplay.com/default/lcd-3-5-inch-320x480-tft-display-module-optl-touch-screen-w-breakout-board
    ...
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    Short answer... yes... Been talked about in...

    Short answer... yes...

    Been talked about in several threads like https://forum.pjrc.com/threads/57894-Teensyduino-1-48-Beta-3?p=217953&viewfull=1#post217953
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    No - They are reasonably completely different...

    No - They are reasonably completely different beasts. But hopefully soon, Paul will put the pieces in place for the other USB types.
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    @CWashburn - Looks interesting, so ordered one......

    @CWashburn - Looks interesting, so ordered one... I did not get the battery charger or Boost circuit as I am not likely to start off trying this using a battery that I would want this one to...
  20. @mjs513 - Tried out the touch display on my...

    @mjs513 - Tried out the touch display on my BuyDisplay display, that I purchased on Ebay.

    I modified an Adafruit touch paint program for capacitive display which in their library version was...
  21. @mjs513 - Actually my current one has the...

    @mjs513 - Actually my current one has the Capacitive touch, which I never tried as the ones that I believe you and @defragster had was with the XPT2046...

    I believe mine has the FT6236 chip. ...
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    @Paul - Looks like a typo to me... I show EMC_37...

    @Paul - Looks like a typo to me... I show EMC_37 in my spreadsheet as cores\teensy4\core_pins.h:

    #define CORE_PIN30_CONFIG IOMUXC_SW_MUX_CTL_PAD_GPIO_EMC_37
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    Sorry, I know that there are many of you who...

    Sorry, I know that there are many of you who would like more Analog stuff.

    Maybe in another edition. And/or maybe someone could do a daughter board to add some of this stuff.

    As I mentioned,...
  24. @slapstick and @mjs513, I don't have the same...

    @slapstick and @mjs513, I don't have the same display, I have one from BuyDisplay which has a completely different touch screen.

    BUT I have run into the ILI9488 screwing up like you mentioned and...
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    Sorry, right now I am not looking to keep adding...

    Sorry, right now I am not looking to keep adding that type of functionality (ADC, DAC) to this board. Mainly playing with it to play more with these boards and then if something else comes up, maybe...
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    Thanks, I hacked up another version of it...

    Thanks,

    I hacked up another version of it today that uses the castellated breakout board... Also added some jumpers so in theory I can try other SPI pins, like SPI1 and SPI2...

    But I think...
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    Sticky: Not a problem... I did try out the fix I...

    Not a problem...

    I did try out the fix I mentioned and it appears to work...
    Issued a PR back to @PaulStoffregen...

    https://github.com/PaulStoffregen/cores/pull/397
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    Sticky: Maybe it won't be too hard to get the T4 to act...

    Maybe it won't be too hard to get the T4 to act the same as the T3.x

    If I get a chance I will try it and maybe issue a PR... Or if someone gets it done before me... That would be great.


    I...
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    Quick update... I played around a little with...

    Quick update... I played around a little with Diptrace and have a first pass board...

    17849

    May try a second pass using the castellated board to see how that lays out...

    Edit - Yes I know I...
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    Sticky: @analog&RFmodels I am not sure how you are...

    @analog&RFmodels

    I am not sure how you are compiling this for a T3.6? As I don't see any standard Arduino sketch stuff, like the void setup() {} function or or the void loop() {} function.
    And...
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    Sticky: @mjs513 - Like the picture :D Are you running...

    @mjs513 - Like the picture :D

    Are you running the sketch with some form of heatsink? or just raw board? I have it running right now at 816 (last one that does not say cooling required) and it...
  32. @mjs513... Forgot to ask, if you reading pixels...

    @mjs513... Forgot to ask, if you reading pixels is working on your display or not?

    I went ahead and also ordered one of the Ebay ones which will probably be a few weeks from now...
  33. @mjs513... Forgot to ask, if you reading pixels...

    @mjs513... Forgot to ask, if you reading pixels is working on your display or not?
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    I did receive the thicker ones and I am trying to...

    I did receive the thicker ones and I am trying to decide if I will try one of them out or not. They do look exciting to try to solder in, but maybe not any worse than the other ways to try to get...
  35. @mjs513 - As you know I asked yesterday (I wonder...

    @mjs513 - As you know I asked yesterday (I wonder if... We could enable a 16 bit frame buffer on a T4.

    So I thought I would try ;) My first pass (and maybe only pass) is that on T3.5/3.6 it...
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    Hi Paul, Along those lines, wondering if you...

    Hi Paul,

    Along those lines, wondering if you might take a look at the CLI code. I have a version in a PR: https://github.com/PaulStoffregen/teensy_loader_cli/pull/48
    That appears to work for...
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    Now that I have a few of these displays sitting...

    Now that I have a few of these displays sitting around:

    I now think I might have a 4 working Buydisplay RA8875 displays. 2 5" (one 480x272 resistive touch, one 800x400 capacitive, lost...
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    Beta 3 installed W10 1.8.10 so far so good.

    Beta 3 installed W10 1.8.10 so far so good.
  39. Also for a quick sanity test, you might try...

    Also for a quick sanity test, you might try something like:


    void ADC_ready(void)
    {
    noInterrupts(); //Disable interrupts
    //ALL variables in here must be volatile
    ...
  40. @mjs513 -...

    @mjs513 - https://github.com/mjs513/ST7735_t3/pull/6
  41. @mjs513 - With your test program, it looks like...

    @mjs513 - With your test program, it looks like the issue is from the code explicitly setting frame buffer:

    DMAMEM uint16_t tft_frame_buffer[240 * 320];
    ...
    ...
  42. @mjs513, so far so good... Downloaded and did...

    @mjs513, so far so good... Downloaded and did not see anything obvious...
  43. @mjs513 :D Found that one.. In the drawChar...

    @mjs513 :D
    Found that one.. In the drawChar function at about lines 2446 and 2453 you need to change writedata16_cont to write16BitColor.

    Could upload it, or probably just as simple for you to...
  44. Actually I found the one I was using earlier. ...

    Actually I found the one I was using earlier. Does not have the same touch controller. It is another BuyDisplay one I got on Ebay (from US...).

    I now have it hooked up to T4 with your version of...
  45. @mjs513 - I am trying to remember which display...

    @mjs513 - I am trying to remember which display you have. If I remember correctly I may have fried one display... I do see I still have an ILI9486 display that may work. I will look again. I think...
  46. @mjs513 - Sorry I was out having fun. Actually I...

    @mjs513 - Sorry I was out having fun. Actually I was out cleaning gutters, only got about half done. I think the house must have grown as I remember I could have done the whole house 10 years ago...
  47. @mjs513 - I thought I would ask on this thread. ...

    @mjs513 - I thought I would ask on this thread. With your current merge, what stuff needs looking at? The switch back from GFX font back to non GFX Font?

    Again maybe issue about doing offset or...
  48. @mjs513 - Will take a look... Just put up a PR...

    @mjs513 - Will take a look...

    Just put up a PR back to you on ST7735_t3... https://github.com/mjs513/ST7735_t3/pull/5

    Probably needs some more testing. My test case right now only does the...
  49. @mjs513 - Found the hang :D Now to clean up some...

    @mjs513 - Found the hang :D Now to clean up some of my debug code:

    The problem is/was the drawFastHLine and drawFastVLine functions were not updated to add the offset and to do rectangle clipping...
  50. @mjs513 - Good morning... Will take a look...

    @mjs513 - Good morning...

    Will take a look soon (I hope)... Yesterday afternoon I thought I would try something closer to the namesake of this thread and port the code back over to st7735_t3,...
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