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

Search:

Type: Posts; User: bicycleguy

Page 1 of 5 1 2 3 4

Search: Search took 0.00 seconds.

  1. If you have the Vdd of the sensors wired to the...

    If you have the Vdd of the sensors wired to the Teensy 3.3Vpin then you shouldn't use the 4.7k pullup. That is only for the 'parasitic' power mode which also requires a FET if more than 1 sensor on...
  2. Replies
    86
    Views
    7,253

    Got closer to finding issue at #45. Was not SD.h...

    Got closer to finding issue at #45. Was not SD.h but narrowed down to a function flexRamInfo2() that I got from somewhere.


    #if defined(ARDUINO_TEENSY40)
    static const unsigned DTCM_START =...
  3. Replies
    86
    Views
    7,253

    Having a new issue with 1.8.15 w beta9 on Teensy...

    Having a new issue with 1.8.15 w beta9 on Teensy 4.0. Seems like all programs that use SD.h cause the serial monitor to go away along with Teensy freeze. Tried about 5 examples that run on 1.8.13...
  4. Replies
    86
    Views
    7,253

    No, also interestingly copying for this reply a...

    No, also interestingly copying for this reply a select all misses the last character but all text except the return is actually in copy buffer:
    24838


    first line
    ...


    yes
  5. Replies
    86
    Views
    7,253

    My previously buggy code...

    My previously buggy code https://forum.pjrc.com/threads/66869-T4-0-ILI9341_t3-DemoSauce-WavFilePlayer-mashup-causes-crashes is still buggy, maybe less so. The graphics may have a little less...
  6. Replies
    86
    Views
    7,253

    macOS 10.15.7 Installed and ran normally. No...

    macOS 10.15.7

    Installed and ran normally. No issues like @ryanrs. Wonder which version he installed? Will try some of my buggy code that's had issues in past.
  7. Replies
    38
    Views
    1,652

    I've had great luck with this switcher:...

    I've had great luck with this switcher:
    https://www.digikey.com/en/products/detail/recom-power/R-78E5-0-0-5/2834904
    $2.92 + 3 tiny caps and an inductor. I'm using on a portable device so...
  8. Just ran again with the display_FFT(xxx) lines...

    Just ran again with the display_FFT(xxx) lines commented out and got the same number 45 for the gfft(4096) and a even higher 353 for the audio library fft.

    Just realized I posted the wrong graph. ...
  9. The gfft are your AudioAnalyzeFFT objects with...

    The gfft are your AudioAnalyzeFFT objects with the size appended.
    Added globals and a few additions to the main loop:




    int fft_count;
    bool is_gfft=true;

    void loop(void) {
  10. Mark, nice work, thanks I added to your code a...

    Mark, nice work, thanks
    I added to your code a little and messaged to the 320 by 240 display Paul sells.
    I'm trying to understand why the gfft's/second seem to top out at 150MHz cpu while the...
  11. thanks defragster Tried messing with two 3.6s. ...

    thanks defragster
    Tried messing with two 3.6s. Then both have the issue!
    then
    For some reason loading the example 'AnalogReadSerial.ino' and switching between type serial and MTP serial and...
  12. Since I played with this and setting type 'USB...

    Since I played with this and setting type 'USB MTP...' on my T3.6 now whenever I plug the T3.6 into my mac the photo application opens. Not sure how to break the association on the mac. If I change...
  13. Forgot to mention, you don't need to be attached...

    Forgot to mention, you don't need to be attached to a display to see the problem, although it's not very interesting. You can hear the music in headphones. It will crash when it gets to twistyText...
  14. T4.0 ILI9341_t3. DemoSauce WavFilePlayer mashup causes crashes

    As title suggests playing wave files while displaying DemoSauce causes a crash when the '_twistyText' animation runs.
    On Mac, I'm using Arduino 1.8.13, TL1.54-beta7 with PJRC T4, 320x240 display and...
  15. @mamdos, Thanks, wondered what passive meant.

    @mamdos,
    Thanks, wondered what passive meant.
  16. Thanks for finding this, very interesting. I use...

    Thanks for finding this, very interesting. I use a Netgear GS305P POE that I'm always connecting and disconnecting test equipment, rPi and computers to, as if it was a regular ethernet connection. ...
  17. I have many Teensy's running on both USB and VIN...

    I have many Teensy's running on both USB and VIN with the jumper not cut. Measured current differences have been between 1 to 3mA typ. This is done measuring the USB current
    and noting the change...
  18. Replies
    178
    Views
    30,942

    Once again Paul YOU ARE THE MAN ! Been...

    Once again Paul YOU ARE THE MAN ! Been following this thread for a while and have been amazed at your patience and perseverance. The documentation with the buttons sets a new high bar. That made...
  19. Replies
    69
    Views
    6,957

    Installed on macOS Catalina 10.15.7 My older...

    Installed on macOS Catalina 10.15.7
    My older programs compiled and seem to run well. Get this new warning:

    n file included from...
  20. Replies
    50
    Views
    6,413

    Installed on macOS Catalina 10.15.7 No new...

    Installed on macOS Catalina 10.15.7

    No new issues so far. Haven't looked at any of the new features but all old stuff seems to work.
  21. Replies
    3
    Views
    542

    Last line of my post above is incorrect. The T4...

    Last line of my post above is incorrect. The T4 and T4.1 already have the external crystal. Data sheet Table 4.1.6 suggests 20uA. Not sure why I see 30.
  22. Replies
    16
    Views
    1,201

    KiCad for sure. If your a linux user most of the...

    KiCad for sure.
    If your a linux user most of the ease of use issues that Mac and Winoz users complain about will be upgrades for you ;)

    The worst thing about KiCAD is managing the libraries where...
  23. Replies
    3
    Views
    542

    Beware! T4x RTC power consumption

    Thought I was getting defective CR1220 button cell battery's. However, measuring RTC currents:
    T3.2 1.24uA
    T4.0 30uA

    Doesn't seem like much but with a 35mAH, 20mm dia. coin cell battery...
  24. Replies
    5
    Views
    490

    Might be better to change the addresses I don't...

    Might be better to change the addresses I don't know.
    Otherwise:
    In your sketch above change something like:
    change MPU6050 to Adafruit_MPU6050 everywhere
    accelgyro1.initialize(); to...
  25. Replies
    5
    Views
    490

    Don't think the MPU6050 library is setup to...

    Don't think the MPU6050 library is setup to handle anything but wire.
    Rather than rewrite the library Iv'e delt with this by putting: #define Wire Wire1 into the offending.cpp library and put that...
  26. Replies
    13
    Views
    1,483

    @JotaEfe13 Not sure if you have the display...

    @JotaEfe13
    Not sure if you have the display hooked up when your having this problem. I see a 'ILI9341_t3 tft = ILI9341_t3(T...'
    If the display is hooked up then you must do 'tft.begin();' in...
  27. Replies
    14
    Views
    1,382

    Haven't tried those particular displays, but have...

    Haven't tried those particular displays, but have had similar startup issues with others using serial data and long wires. The solution was to add a delay(100) before the lcd.init().

    The print...
  28. Curious, 4MHz is the default for SPI if you don't...

    Curious, 4MHz is the default for SPI if you don't specify it. This could be one of those who's called last mentioned.
  29. Replies
    21
    Views
    1,869

    Search for onewire in the library manager. It...

    Search for onewire in the library manager. It works the same as with any micro.
  30. I was wrong in that post and can't modify it. I...

    I was wrong in that post and can't modify it. I now think your using it correctly except maybe the wrong pin.
    Try this in a google search: site: forum.pjrc.com T4 SPI CS

    You could try...
  31. @BlueTurtle Its looks like your using pin 31...

    @BlueTurtle Its looks like your using pin 31 for the SPI CS. Others can comment but I think SPI wants that on pin 10. It may work but not reliably?

    One other thing. I had an issue a while ago...
  32. Looks like your not using the TMC2130Stepper...

    Looks like your not using the TMC2130Stepper object that uses the SPI if that helps anything.
  33. Perhaps when the Rpi is updated to the latest it...

    Perhaps when the Rpi is updated to the latest it won't work either? Maybe more error checking or different defaults.

    Why is SPI.begin() commented out? Where are SPI pins assigned?
  34. Probably not the issue but latest MacOS is...

    Probably not the issue but latest MacOS is 10.15.6. Usually, the latest of everything is the best bet when something weird is happening, but, otherwise don't change anything:)
  35. Replies
    34
    Views
    4,904

    My reason for pointing this out is that the...

    My reason for pointing this out is that the Teensy I/O is not as flexible as it might seem at first glance. Certain functions only work or work best on certain pins. SPI only works good on a few...
  36. Replies
    34
    Views
    4,904

    Hi @PhilB, Thanks for the quick reply. I really...

    Hi @PhilB,
    Thanks for the quick reply. I really like open source and really like to have things run the way I want them to. Also get tired of things happening or usually not happening with...
  37. Replies
    34
    Views
    4,904

    Looked over what I could find in your links and...

    Looked over what I could find in your links and have some questions. I'm also curious about what niche you are intending to fill.
    I run Gecko Drive G320 DC motor drivers at 20A, 56V with 2024 line...
  38. Replies
    7
    Views
    996

    You probably already have it, but for others out...

    You probably already have it, but for others out there 'The C Programming Language' by Kernigham and Ritchie, second edition 1988 pretty much handles these kinds of questions. I still use the 1978...
  39. Replies
    1
    Views
    336

    pow(base, exponent)

    pow(base, exponent)
  40. Replies
    10
    Views
    865

    Sounds like a similar problem I had with a setup...

    Sounds like a similar problem I had with a setup used for all sorts of SPI and I2C testing. I would leave everything connected even if I wasn't using it. After occasional issues, especially with...
  41. Replies
    7
    Views
    1,132

    Don't know about your FRAM but there is something...

    Don't know about your FRAM but there is something about if just one ram chip it has to be on the smaller pad location.

    https://www.pjrc.com/store/psram.html
  42. Replies
    54
    Views
    9,898

    No problems on Mac Catalina install. Also...

    No problems on Mac Catalina install.

    Also installed on Raspberry Pi4 with Debian Buster 4.19. Had issue with libusb-0.1.so.4 similar to but not exactly like...
  43. Replies
    32
    Views
    4,754

    Sorry for the delay getting back. Where do I...

    Sorry for the delay getting back. Where do I find "T4_PowerButton.h"
  44. Replies
    32
    Views
    4,754

    What beta #5 gives, b #6 taketh away! The text...

    What beta #5 gives, b #6 taketh away!
    The text munging at 24 MHz CPU speed https://forum.pjrc.com/threads/60864-Teensyduino-1-52-Beta-5?p=239150&viewfull=1#post239150 that b5 fixed 6 has reverted.
    ...
  45. Replies
    13
    Views
    2,714

    Mac 10.15.4 Catalina, this B5, Teensy4.1 no Xtra...

    Mac 10.15.4 Catalina, this B5, Teensy4.1 no Xtra chips, installed no problems.

    Even inexplicably solves most issues I was having with Franks memory info program...
  46. Has anyone else tried the code posted at #83...

    Has anyone else tried the code posted at #83 https://forum.pjrc.com/threads/57326-T4-0-Memory-trying-to-make-sense-of-the-different-regions?p=227539&viewfull=1#post227539 at 24 MHz? Did you get the...
  47. Having a little issue: Using the new code in #83...

    Having a little issue:
    Using the new code in #83 it seems to work fine for T4.0 and T4.1 at >150MHz CPU:

    @150MHz:...
  48. Replies
    117
    Views
    24,353

    With CircuitPython 5.4.0.hex on a Teensy 4.1 the...

    With CircuitPython 5.4.0.hex on a Teensy 4.1 the Mac said 7.3Meg available so I copied a 6.2Meg GIMP image file over in 1minute 9 secs. However it opened in about 4 seconds, from GIMP on my Mac, the...
  49. Replies
    117
    Views
    24,353

    using the CircuitPython 5.3.0.hex on a Teensy 4.1...

    using the CircuitPython 5.3.0.hex on a Teensy 4.1 the Mac said 13Meg? of space available until I tried a 8Meg file then no, and tried smaller until it successfully added a 990 KB file and said 25 KB...
  50. Thanks Frank That was FAST ! :) thought...

    Thanks Frank
    That was FAST ! :)

    thought there might be more to it than just the defines.

    ps. It took me longer to reply than it took you to fix post and reply !
Results 1 to 50 of 209
Page 1 of 5 1 2 3 4