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

Search:

Type: Posts; User: bicycleguy

Page 1 of 4 1 2 3 4

Search: Search took 0.00 seconds.

  1. Replies
    20
    Views
    1,277

    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...
  2. Replies
    20
    Views
    1,277

    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...
  3. Replies
    20
    Views
    1,277

    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...
  4. Replies
    7
    Views
    365

    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...
  5. Replies
    1
    Views
    120

    pow(base, exponent)

    pow(base, exponent)
  6. Replies
    10
    Views
    336

    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...
  7. Replies
    4
    Views
    191

    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
  8. Replies
    54
    Views
    3,878

    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...
  9. Replies
    32
    Views
    1,420

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

    Sorry for the delay getting back. Where do I find "T4_PowerButton.h"
  10. Replies
    32
    Views
    1,420

    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.
    ...
  11. Replies
    13
    Views
    1,108

    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...
  12. 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...
  13. 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:...
  14. Replies
    105
    Views
    12,854

    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...
  15. Replies
    105
    Views
    12,854

    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...
  16. 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 !
  17. Using the code ...

    Using the code https://forum.pjrc.com/threads/57326-T4-0-Memory-trying-to-make-sense-of-the-different-regions?p=227539&viewfull=1#post227539 #83 in this thread I get the same output for T4.0 and...
  18. Replies
    38
    Views
    2,345

    MacOS 10.15.4 Catalina install, no problems, all...

    MacOS 10.15.4 Catalina install, no problems, all RTC issues, (and I think I was struggling with all of them) on T4.0 and T4.1 have been resolved. Don't have the spacing issue @KurtE notes above. ...
  19. Replies
    67
    Views
    3,703

    @defragster, saw that but didn't realize all...

    @defragster, saw that but didn't realize all that info was exposed to #ifdef's
    thanks, that does it!

    Here's something I noticed that doesn't matter but since your into minutia... :)
    ...
  20. Replies
    67
    Views
    3,703

    Mac Catalina, installed great, super easy,...

    Mac Catalina, installed great, super easy, however, as mentioned in b2 for newbies the instructions for Catalina on the download page will be very confusing.

    Tried many T4 with ILI9341_t3...
  21. Replies
    42
    Views
    3,415

    -jim, Can't comment on the crash other than to...

    -jim,
    Can't comment on the crash other than to say I have found it to be as good or better than previous versions, although I too experienced a crash like yours back when I first switched many...
  22. So does sparing use of toilet paper :)

    So does sparing use of toilet paper :)
  23. Replies
    32
    Views
    965

    Here's some links to the stuff: A MK64FX512VLQ12...

    Here's some links to the stuff:
    A MK64FX512VLQ12 144 LQFP rated -40C-105C for $13

    https://www.digikey.com/product-detail/en/nxp-usa-inc/MK64FX512VLQ12/MK64FX512VLQ12-ND/4462057

    Paul's board...
  24. Replies
    32
    Views
    965

    @chileflora, Thats some good data you refer to...

    @chileflora,
    Thats some good data you refer to and your conclusions are reasonable. One thing to note is that the graph is for CeramicBallGridArray's. The package is actually made of ceramic...
  25. Replies
    32
    Views
    965

    @chileflora I think manufactures have pushed the...

    @chileflora
    I think manufactures have pushed the limits as described above to the point where the failure rate is acceptable to the general public. People expect their electronics to last a few...
  26. Replies
    32
    Views
    965

    @chileflora, I was trying to be humorous. As I...

    @chileflora,
    I was trying to be humorous. As I pointed out everybody uses bga parts. Just don't expect the parts to last forever. On the bright side I should have mentioned above that the cold...
  27. Replies
    32
    Views
    965

    @chileflora Whats the fun of a model airplane...

    @chileflora
    Whats the fun of a model airplane hobby without a few crashes :D

    You might find this interesting....
  28. Replies
    210
    Views
    8,331

    luni, well that was embarrassing thanks

    luni, well that was embarrassing

    thanks
  29. Replies
    210
    Views
    8,331

    Back in post...

    Back in post https://forum.pjrc.com/threads/59112-TeensyTimerTool?p=227079&viewfull=1#post227079 the code above added volatile.
    I thought when accessing or changing a volatile variable in the main...
  30. Replies
    37
    Views
    3,768

    Rezo, you don't need to do anything else. It's...

    Rezo, you don't need to do anything else. It's all pre-installed in the Teensyduino.app when you unzip it. The instructions haven't been updated for the super easy Catalina install. The main odd...
  31. Replies
    29
    Views
    4,204

    Could someone explain why this works. Should the...

    Could someone explain why this works. Should the library have set this?

    thanks
  32. Replies
    37
    Views
    3,768

    Mac Catalina, installed great, super easy,...

    Mac Catalina, installed great, super easy, however, for newbies the instructions for Catalina on the download page will be very confusing.

    Tried many T4 with ILI9341_t3 programs, T2,3,4 all worked...
  33. Replies
    83
    Views
    15,497

    I think your correct on that. The table above...

    I think your correct on that. The table above the schematic is correct.
  34. Replies
    417
    Views
    35,763

    :D Pretty funny, guess you really are a Senior...

    :D Pretty funny, guess you really are a Senior Member+
  35. This guy has what you want. Just replace all the...

    This guy has what you want. Just replace all the Adafruit_HX8357 with ILI9341_t3 and make a few other pin assignments. He also has some great plotting software.

    https://youtu.be/U5hOU-xxQgk
  36. Replies
    44
    Views
    3,622

    Works great! Thanks for the shasum too, clears...

    Works great! Thanks for the shasum too, clears some of my rev. - dyslexia :)
  37. Replies
    44
    Views
    3,622

    Well the Arduino window says beta 1, but launches...

    Well the Arduino window says beta 1, but launches beta 2.
    Don't see anything but serial for T4 USB Type.

    18417

    Installed no other problems on Catalina. I had previously deleted beta1 and...
  38. Replies
    75
    Views
    7,851

    Noticed that although code signed the app is not...

    Noticed that although code signed the app is not sandboxed.

    https://developer.apple.com/library/archive/documentation/Security/Conceptual/AppSandboxDesignGuide/AboutAppSandbox/AboutAppSandbox.html...
  39. Replies
    75
    Views
    7,851

    @PaulStoffregen Tried the LSMinimumSystemVersion...

    @PaulStoffregen
    Tried the LSMinimumSystemVersion key and no go, same message. I already have 1.8.5 and TL 1.44 running on it, was just curious why your not recommending this code signed version for...
  40. Replies
    75
    Views
    7,851

    FYI I was a little surprised (and thankful) that...

    FYI
    I was a little surprised (and thankful) that I was able to modify the boards.txt file in the app and gatekeeper didn't seem to mind. I even transferred the modified app to a mac mini running...
  41. Replies
    75
    Views
    7,851

    Installed the 1.49-beta1 from msg #43 and was a...

    Installed the 1.49-beta1 from msg #43 and was a little confused.

    2013 iMac with Catalina 10.15.1

    1. When I ran the TeensyDuino App it overwrote the Arduino App in my application folder (with...
  42. Replies
    75
    Views
    7,851

    Sorry, missed this thread and just installed the...

    Sorry, missed this thread and just installed the 1.49 beta #1 yesterday.
    For any help I might provide should I install the version at #43 above or wait for 1.49 beta#2 or ? Will betas be code...
  43. Replies
    83
    Views
    15,497

    @TheWell There is a wiring error in...

    @TheWell
    There is a wiring error in chipaudette's picture you used.

    https://forum.pjrc.com/threads/57341-Bad-wiring-posted-somewhere-for-Teesny-4-0-to-Audio-Shield?p=213469&viewfull=1#post213469...
  44. Replies
    24
    Views
    1,554

    Yah, mine would be a T6:(

    Yah, mine would be a T6:(
  45. Replies
    24
    Views
    1,554

    no, here's from post...

    no,


    here's from post https://forum.pjrc.com/threads/58155-Two-bytes-to-floating-point-number?p=219986&viewfull=1#post219986
    highword 65022 lowword 7616 result -123.456
    highword 255 lowword...
  46. Replies
    24
    Views
    1,554

    There must be an easier way: float...

    There must be an easier way:

    float thevalue(uint16_t highword, uint16_t lowword){
    int8_t expo = highword>>8;
    int32_t mant = ((int32_t)((int16_t)(highword<<8))<<8)+lowword;
    float...
  47. Replies
    75
    Views
    7,851

    This is not a 'fake' security thing. This is...

    This is not a 'fake' security thing. This is circumventing all the work Apple does to help developers make their code and your computer secure. Unfortunately, most open source developers don't use...
  48. Replies
    75
    Views
    7,851

    As noted above I have tried to set the highest...

    As noted above I have tried to set the highest security settings.

    Unfortunately, Full Disk Access is required.
    Accessibility is not required.
    Input Monitoring is requested once at App startup...
  49. Replies
    75
    Views
    7,851

    I can report that today after doing nothing more...

    I can report that today after doing nothing more than having the Mac sleep overnight, not turned off, Catalina, Arduino 1.8.10, and Teensduino 1.48 seem to be happy again. Perhaps all the...
  50. Replies
    62
    Views
    8,691

    Warning: don't install MacOS 10.15 Catalina,...

    Warning: don't install MacOS 10.15 Catalina, you may regret it.

    https://forum.pjrc.com/threads/58000-MacOS-10-15-Catalina?p=218835&viewfull=1#post218835
Results 1 to 50 of 175
Page 1 of 4 1 2 3 4