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Type: Posts; User: KurtE

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    @LERAY - just a quick followup... So far I don't...

    @LERAY - just a quick followup... So far I don't see any obvious way to help here...

    Again I am not sure exactly how you have it hooked up: When you say:

    Is the Screen running with HDMI...
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    You might look at the file...

    You might look at the file arv\cores\teensy4\avr_emulation.h and see if it has what you need/want...

    It looks like it has some quick and dirty defines for some of the things like PORTD, PIND, ... ...
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    Not sure what else to try. Again if you...

    Not sure what else to try.

    Again if you plug in your working monitor, does it show any data similar to what I showed:
    USB Host Testing

    960
    sizeof Device = 36
    sizeof Pipe = 96
    sizeof...
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    It appears like it is not detecting an USB...

    It appears like it is not detecting an USB device.

    I believe you said it was a HDMI display? Is it plugged into something that generates HDMI? Does it have/need external power? Is that...
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    Sorry, I am not seeing the data I would expect......

    Sorry, I am not seeing the data I would expect...

    With the debug turned on, I would expect some of the information about the device being plugged in, plus information on enumeration, ...

    For...
  6. Forgot to mention, that this is running great!

    Forgot to mention, that this is running great!
  7. As mentioned, I may have broken some psuedo...

    As mentioned, I may have broken some psuedo double buffering stuff. That is with the old way, you might have gotten away with the start up the async, then tell it to change frame buffer, do your...
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    @LERAY - hard to say. Each type of device...

    @LERAY - hard to say. Each type of device installed and in many cases each device that works is one that a few of us went through and had to reverse engineer to figure out what it is and how to...
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    The T3.5 does NOT have usb host support. Only...

    The T3.5 does NOT have usb host support. Only the T3.6 and the T4 have it.
  10. PR -> Merged.... Created a release version just...

    PR -> Merged....
    Created a release version just before this, so one can get back to it if needed.
  11. Sorry, I am not sure... T3.x - I would...

    Sorry, I am not sure...

    T3.x - I would expect no change. 3.5 same code as before except it can optionally call out. Note T3.5 has issues... That is could not get scatter gather to work on it...
  12. Good Morning... I did some more cleanup this...

    Good Morning...

    I did some more cleanup this morning in the branch I am working on.

    I removed the older ways of doing the DMA transfers for T4... I like the new way better, as I mainly only use...
  13. Thread: Teensy 4 ADC

    by KurtE
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    You can always go into TyCommander, and choose...

    You can always go into TyCommander, and choose the Integrate with Arduino, choose your install, and then there is an option to restore back to not using tycommander...
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    You can extract the data from the same place that...

    You can extract the data from the same place that computes the min/max...

    const uint32_t buffer_size = 1600;
    DMAMEM static volatile uint16_t __attribute__((aligned(32)))...
  15. I tried a couple of things with T3.5 to see if I...

    I tried a couple of things with T3.5 to see if I could get the scatter/gather stuff to work... Failed (like before), So I added the callback in, which was pretty easy as I am having to field...
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    Hi Joe, As mentioned in the forum rules at...

    Hi Joe,

    As mentioned in the forum rules at top of page, it often helps us to see the code to get an idea of what is going on.

    Also helps to post a picture of your setup, as this often helps...
  17. Thanks, Next up T3.5... Which is always...

    Thanks,

    Next up T3.5... Which is always interesting.

    So far with T3.6/and T4 I have only tested the changes on SPI... Will do a quick check on SPI1 on T3.6 probably... Only real difference...
  18. Quick update: I updated the DMA code for the T3.6...

    Quick update: I updated the DMA code for the T3.6 in the same branch to allow the callback as well.

    As part of this I reworked part of the DMA code, which I think makes it a bit cleaner.
    ...
  19. Thanks guys. I probably should then integrate...

    Thanks guys. I probably should then integrate the new members with the T3.5/6 code.

    I am still wondering about my sub-frame method. Right now the callback gets no information, Which if you...
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    It is an object of the type: AnalogBufferDMA ......

    It is an object of the type: AnalogBufferDMA ...

    It was an object that I created when a few of us were trying to get the ADC library to work on the Teensy T4. I found the previous existing dma...
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    By version - I meant that if you are using...

    By version - I meant that if you are using Teensyduino version that is reasonably up to date (like within the last year or two...)

    And that T3.x or T4 is preferable. T3.2 should be fine. T3.5...
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    In many of these cases it would help to know...

    In many of these cases it would help to know which teensy? If I can assume 3.x, 4 and maybe LC, there are a variety of ways. Also helps to know if your transfer is a TX, or RX or both...

    Some...
  23. While experimenting with some other display...

    While experimenting with some other display libraries on T4.x boards I have been wondering about seeing if I could have a workable version of the library that does the DMA updates without the need to...
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    I don't see anything yet up on his github project...

    I don't see anything yet up on his github project for any progress on the T4, but the readme does show:

    The comment was added about 2 months ago, so hopefully he has made progress on it!
  25. I think we are all going at this the wrong way. ...

    I think we are all going at this the wrong way. We should instead find out what that device is that kills off all of the Coronavirus, like they use in that church: :rolleyes: :confused:...
  26. I can agree or disagree... But in many cases...

    I can agree or disagree...

    But in many cases like this, it is what it is... That is even if one could come up with a good argument on changing things like this. They have been this way for...
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    Found bug in setCS - Pushed a change up as my...

    Found bug in setCS - Pushed a change up as my current SPI Pull request:
    https://github.com/PaulStoffregen/SPI/pull/57

    Not sure how long it will be before @Paul will be free to pull stuff in for...
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    First question is what do you mean by STM32? The...

    First question is what do you mean by STM32? The Adafruit code runs on most Arduinos including STM32. But again you say no Arduino, so no idea of what underlying software you might be using.
    ...
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    Quick update: I have made a version of the sketch...

    Quick update: I have made a version of the sketch that should be able to be configured for either of the two as master and other as slave, and I am seeing your issue.

    Debugging!
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    These are compiler options to the GCC compiler. ...

    These are compiler options to the GCC compiler. You might want to take a look at the GCC compiler documentation about LTO:
    Maybe look at: https://gcc.gnu.org/onlinedocs/gccint/LTO.html
  31. Yes there are multiple ways to name these pins,...

    Yes there are multiple ways to name these pins, which can be confusing.

    But a lot of things here are setup to make it easy for people to go from one Arduino processor to another. So for example...
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    A potential other option in much of this would be...

    A potential other option in much of this would be to see if you could do some of this using the FlexIO subsystem.

    So far I have played with some of their examples like SPI and Serial and tried to...
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    I don't see anything obvious yet. Other than an...

    I don't see anything obvious yet. Other than an issue with my earlier one as well.

    There are two different received_data variables, which may cause things to screw up.
    Notice Loop:

    void...
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    Again as suggested, you might want to do it more...

    Again as suggested, you might want to do it more like:


    #include "TFMini.h"
    TFMini tfmini;

    void setup() {
    // wait up to 4 seconds for serial monitor to be valid
    while (!Serial &&...
  35. There have been several threads recently...

    There have been several threads recently including: https://forum.pjrc.com/threads/59874-Teensyduino-1-51-errors-on-compile-1-48-does-not-ADC-class-implicated

    about the changes to the interface...
  36. There have been a few threads on some of this. ...

    There have been a few threads on some of this.

    I have a Pull request: https://github.com/PaulStoffregen/cores/pull/425
    That allows the user to change to use the higher speed bus. To get higher...
  37. As mentioned it is sort of hard to help here when...

    As mentioned it is sort of hard to help here when there is nothing to check.

    That is are you using the library: https://github.com/LAtimes2/InternalTemperature ?

    How are you calling it? How...
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    With my boards, I simply solder a whole T4 to the...

    With my boards, I simply solder a whole T4 to the board (usually socketed)... But I am assuming you are not wanting to do that.

    Note: I don't believe that there is currently a bootloader chip by...
  39. Sorry, my guess is that you may need to ask some...

    Sorry, my guess is that you may need to ask some PS4 forum or the like about this. You might also ask on Arduino forum as Pro Micro is an Arduino thing and maybe someone there has a solution.
    ...
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    Again would suggest updating to lastest release. ...

    Again would suggest updating to lastest release. There were issues with availableForWrite that may only return 1 when anything was available in some cases.
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    As mentioned, if you are free to use other pins. ...

    As mentioned, if you are free to use other pins.
    Example pin 0, 1 than you should use the hardware serial port. As @mjs513 mentioned would be Serial1

    If you have fixed pins like pins 10 and...
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    I guess the real question is, what happens if you...

    I guess the real question is, what happens if you don't bother to put in all of the calls to availableForWrite?


    unsigned char const * bfdac = reinterpret_cast<unsigned char const *>(&fdac);
    ...
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    I don't see anything obvious, maybe others will....

    I don't see anything obvious, maybe others will.

    Again I am assuming Windows. Version 10? What version of Arduino do you have installed? What version of Teensyduino do you have installed?
    ...
  44. I can not say for sure with any new orders, but...

    I can not say for sure with any new orders, but just got notification from OSHPark, that the boards I ordered on March 12th were received and shipped today.
    And I believe that at least the ones I...
  45. I am not much of a user of Python, but there are...

    I am not much of a user of Python, but there are some things that make me want to learn more... Like Saleae is in beta builds with the ability to write python High Level Analyzers, which looks...
  46. It will be interesting, but also yesterday heard...

    It will be interesting, but also yesterday heard some one ask an expert in critical care... about using CPAP or the like for COVID-19, and he stated that using a CPAP would risk putting secretions...
  47. I am not sure yet where their real interactive...

    I am not sure yet where their real interactive map is, but I believe it is called the "kinsa us health weather map"
    You can find it talked about in several places on the web including:...
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    @luni - was also wondering if it would make sense...

    @luni - was also wondering if it would make sense in one or more of your classes to have a method which returns the IRQ number associated with that object?
    And/Or have a method like IntervalTImer...
  49. Yes - I saw a portion of a show yesterday where...

    Yes - I saw a portion of a show yesterday where they interviewed someone (don't remember if owner or ??? of the company), where they showed a us map where they recorded the counts/locations of those...
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    I am not a one who uses Ubuntu often. Do have a...

    I am not a one who uses Ubuntu often. Do have a machine or two with it, but ...

    Things I would check, include:
    a) can you open a terminal window and cd to /tmp? Is stuff there? If so I would...
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