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Type: Posts; User: KurtE

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    @defragster - As usual you do a far better and...

    @defragster - As usual you do a far better and thorough testing than I have been able (and most of the time willing) to do!

    Great stuff..
  2. Hi @mjs513 - Since I already mucked with...

    Hi @mjs513 - Since I already mucked with ILI9341_t3n and ST7735_t3,

    Redid it for ILI9341_t3 - Note: The unadulterated version of graphictest builds without error. However if I edit the start of...
  3. Hi @mjs513 - I tried compiling the current...

    Hi @mjs513 - I tried compiling the current graphic test in the project and it appears to fail in the link phase...

    Linking everything together......
  4. Thread: SPI on Teensy 4

    by KurtE
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    I updated the T4 support for SPI, so now ...

    I updated the T4 support for SPI, so now
    SPI.begin internally at the end will call beginTransaction(SPISettings()); endTranaction();
    So things like the transfer data size and clock settings and......
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    Yes - if I understand what you are saying. If...

    Yes - if I understand what you are saying. If you are just hanging there queuing messages and always spining on that wait, then yes each message will go out about 3ms after you queued it... Assuming...
  6. Thread: SPI on Teensy 4

    by KurtE
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    @connectivity - Confirmed it dies, will debug. ...

    @connectivity - Confirmed it dies, will debug.

    In the mean time you can get it up and running, if you add a couple lines of code...


    void QEC_Configure(void)
    {
    SPI.begin();

    delay(5);
  7. @mjs513 - Go for it... The only interesting...

    @mjs513 - Go for it...

    The only interesting thing will be how is our compatibility with previous versions?
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    I have not worked on this part of the USB Code at...

    I have not worked on this part of the USB Code at all, only some on the USB Host code for T3.6 and T4, so take this with a grain of salt...
    There is some information up in the PDF associated with...
  9. Thread: Bum 3.6?

    by KurtE
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    Sorry, I did not answer figuring, you covered...

    Sorry,

    I did not answer figuring, you covered most of the standard things I would suggest, like, verifying that you have 3.3v. No shorts...

    Suggest the 15 second reset. Try the hold program...
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    Again it depends... If for example you have a .c...

    Again it depends... If for example you have a .c or .cpp file that simply includes: FreeSans12pt7b.h
    This file starts off like:

    const uint8_t FreeSans12pt7bBitmaps[] PROGMEM = {
    0xFF, 0xFF,...
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    @dkryder - I am not an expert here, but here is...

    @dkryder - I am not an expert here, but here is my two cents. You can probably hook up the USB pads of the T4 to his external D+/D- pins to get the USB to work.

    However I am pretty sure using a...
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    @loglow (and others) - Again it will be...

    @loglow (and others) - Again it will be interesting to try again. I am still undecided if I feel like the current flex cable is more or less easy to install and or error prone as compared to using...
  13. Wonder if you built a version with Joystick and...

    Wonder if you built a version with Joystick and RawHid if that would work, then debug could still go through Serial.print type code...
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    Hard to say without providing any additional...

    Hard to say without providing any additional information. Like simple sketch that shows the issue. I am assuming MAC from your error message.
    Like what libraries are used. Does the compiler...
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    Hi @Gremlin and @mjs513 and @PaulStoffregen - I...

    Hi @Gremlin and @mjs513 and @PaulStoffregen - I am hoping that we find a good place to host some of these display driver updates.

    Currently a few of us have been playing around with them and...
  16. @Paul @pramilo and ... Thought I would try to...

    @Paul @pramilo and ...

    Thought I would try to fill in more of the info from that last Logic Trace I showed above, Here is another one taken showing the whole set of messages.
    17606

    Again as...
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    Let me know if you have something to play with. ...

    Let me know if you have something to play with. This is another area I thought would be good to have support for in the usb host code....

    @WMXZ - maybe, again not sure if they exist, and which...
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    @loglow - As @defragster mentioned, have a good...

    @loglow - As @defragster mentioned, have a good safe trip...

    Again would like to try out the newer setup, I probably need whole new everything (I do have more T4s...)

    It will be interesting...
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    Also it appears like I can no longer select and...

    Also it appears like I can no longer select and copy text in the Terminal Monitor when the cable is unplugged.
    1.8.10, Windows 10 64 bit.
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    Or Maybe just plug a WIFI dongle into a USB port?

    Or Maybe just plug a WIFI dongle into a USB port?
  21. @PaulStoffregen and @pramilo - Quick update. ...

    @PaulStoffregen and @pramilo - Quick update.

    I am running two Arduino sketches: One more or less the same as @pramilo posted:
    Again nothing special, only main differences is larger...
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    Sorry I have no idea about Julia and how it...

    Sorry I have no idea about Julia and how it works. I know on Linux when I am talking to some of these Serial devices, my C code will use the termios library code to turn off some of the special...
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    It is really nothing special. Defragster has...

    It is really nothing special. Defragster has updated it slightly to allow + and - to increment/decrement.

    My current allows you to type in pin number, and just hitting enter again increments...
    ...
  24. @zapta - Libraries - ST7735_t3 library is...

    @zapta - Libraries - ST7735_t3 library is installed with Teensyduino. Not sure if we have released a new version of Teensduino since Paul took in my previous PR, which added support for running the...
  25. @pramilo - Agreed, again had similar issues back...

    @pramilo - Agreed, again had similar issues back using Trossen Robotics Arbotix boards (AVR Atmega644p).... But as mentioned decided to go with the 5v to be driving the servos as the documented...
  26. @pramilo - Yes mostly before I used the loops...

    @pramilo - Yes mostly before I used the loops stuff as well. But then wondered if maybe some of the issues with AX-12 servos losing their ID was due to 3.3v TTL instead of 5v, so started adding...
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    @mjs513 - Yep I was/am using normal size headers...

    @mjs513 - Yep I was/am using normal size headers and even then I am not sure it gets down completely flush...

    Also with those SMD connectors, on a different board, I soldered one on and it was...
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    @mjs513 - Yikes Wonder what hit it this time? The...

    @mjs513 - Yikes Wonder what hit it this time? The bottom SMT connector?

    I know you do all of the normal things, so I know this is all probably not helpful, but just in case... like check for...
  29. I too am just a paying customer. Who happens to...

    I too am just a paying customer. Who happens to be a retired software developer and likes the Teensy platform and the user base, so I spend a some time and money helping supporting it.

    I will...
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    @mjs513 and @DerekR and ... @tallDog - I think I...

    @mjs513 and @DerekR and ... @tallDog - I think I screwed up same way ... I waited for it to be dry... after cleaning... And teensy does not respond... I think I may have been just enough unaligned...
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    @luni - I am no expert in this, but google...

    @luni - I am no expert in this, but google exidx-start finds: https://stackoverflow.com/questions/9752000/exidx-start-and-exidx-end-what-do-they-do
    Sounds like they are used for exception handling ...
  32. Glad you got it working hardware wise... ...

    Glad you got it working hardware wise...

    Note: I actually thought some about the stale condition you mentioned, but actually more worried the other way around.

    That is in the output function:...
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    Thanks, I went ahead and ordered some from...

    Thanks, I went ahead and ordered some from BuyDisplay...

    And: being a gluten for punishment also ordered replacement board as I was already paying for shipping :lol:
  34. Question is, do you just want to know or do you...

    Question is, do you just want to know or do you want your sketch to know?

    If you just want to know, open up the Arduino IDE, go to the Help menu, and click on the About Arduino menu item.

    The...
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    Thanks @nerofun - I am going to assume that chip...

    Thanks @nerofun - I am going to assume that chip is toast... Question is trying to find someone who sells it. So far no one like Mouser or Digikey sell them. Some of the places I found, want...
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    @mjs513 - Will keep fingers crossed. Also will...

    @mjs513 - Will keep fingers crossed. Also will again first try washing with hot water and then dry first to hopefully remove as much flux residue as possible...
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    @HomeMadeGarbage - What I could not tell from...

    @HomeMadeGarbage - What I could not tell from your last post, is did the changes work for you? Or do you still have some issues?


    The reason I ask, is I am not sure how well we tested the...
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    Yep - been there... Actually mine is now probably...

    Yep - been there... Actually mine is now probably damaged... hopefully it might still work, but it felt like the only realistic way I could solder both on in that space.

    @loglow - On The IC- I...
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    FYI - I have made some progress today, 17563...

    FYI - I have made some progress today,

    17563
    17564

    I still need to wash them and let them dry for several hours before I test them.

    And then assuming things are working reasonably will be...
  40. Ok, here is maybe another option. That might...

    Ok, here is maybe another option. That might work... At least the limited things time I looked at the output on LA... did not put in test checks with ISR...

    In the serial2.c file, up in the...
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    @DerekR (and @mjs513) Sounds like the issues I...

    @DerekR (and @mjs513) Sounds like the issues I had when I built my first breakout board with the SDCARD stuff. I had issues and those pins did not work at all. So i broke the SD adapter off of my...
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    Update: I think some of the display is working...

    Update: I think some of the display is working and some not so much.

    That is if I run the Adafruit library at buildtest program, I will see the display startup some brightness and dim, and then...
  43. Again Personally I would try the simple disable...

    Again Personally I would try the simple disable interrupt one I mentioned to see if it solves the issue.


    __disable_irq();
    if (transmit_pin) transmit_assert();
    UART1_C2 = C2_TX_ACTIVE;...
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    Thanks, I might be getting lucky (maybe not) ...

    Thanks, I might be getting lucky (maybe not)

    But I was able to remove the cap (in pieces). cleaned area with isopropyl alcohol, tested resistances, no dead shorts... So found I had some CAP TANT...
  45. Did you try the solution I mentioned: ...

    Did you try the solution I mentioned:

    __disable_irq();
    if (transmit_pin) transmit_assert();
    UART1_C2 = C2_TX_ACTIVE;
    __enable_irq();

    I think it should work, but could be wrong:

    In all...
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    @mjs513 @talldog - I have not started soldering...

    @mjs513 @talldog - I have not started soldering yet, but I also noticed the TPD chip missing (I think) will double check. I put everything into a bowl when I opened up the envelope and did not see...
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    Thanks @neurofun, I might try to fix so any...

    Thanks @neurofun, I might try to fix so any suggestions would be great. Wonder what is needed for that Cap. I may have some around that would be sufficient. Would also need to make sure I know...
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    Again not sure what all your requirements are. ...

    Again not sure what all your requirements are. As mentioned we have done a lot of work on the ili9341 library and touch screen that PJRC sells.

    Also recently some of us have done some work on...
  49. Another follow on. If that does not work...

    Another follow on. If that does not work sufficiently than another option might be to have the ISR assert the transmit..

    Note Two cases in the ISR dependong on if has FIFO or not...
    But Serial2...
  50. @paramilo - Again it is hard to know what to...

    @paramilo - Again it is hard to know what to suggest again as I don't really know what all you tested and what did not work.

    For example in the modifications I suggested, only fixed certain cases...
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