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  1. Replies
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    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...
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    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
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    Sticky: 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...
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    Sorry for the delay getting back. Where do I...

    Sorry for the delay getting back. Where do I find "T4_PowerButton.h"
  5. Replies
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    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.
    ...
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    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...
  7. 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...
  8. 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:...
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    10,758

    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...
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    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...
  11. 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 !
  12. 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...
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    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. ...
  14. Replies
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    @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... :)
    ...
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    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...
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    -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...
  17. So does sparing use of toilet paper :)

    So does sparing use of toilet paper :)
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    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...
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    @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...
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    @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...
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    @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...
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    @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....
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    luni, well that was embarrassing thanks

    luni, well that was embarrassing

    thanks
  24. Replies
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    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...
  25. Replies
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    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...
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    Could someone explain why this works. Should the...

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

    thanks
  27. Replies
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    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...
  28. Replies
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    I think your correct on that. The table above...

    I think your correct on that. The table above the schematic is correct.
  29. Replies
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    :D Pretty funny, guess you really are a Senior...

    :D Pretty funny, guess you really are a Senior Member+
  30. 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
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    Works great! Thanks for the shasum too, clears...

    Works great! Thanks for the shasum too, clears some of my rev. - dyslexia :)
  32. Replies
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    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...
  33. Replies
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    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...
  34. Replies
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    @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...
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    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...
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    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...
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    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...
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    @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...
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    Yah, mine would be a T6:(

    Yah, mine would be a T6:(
  40. Replies
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    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...
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    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...
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    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...
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    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...
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    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...
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    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
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    Just made the mistake of updating Mac to 10.15. ...

    Just made the mistake of updating Mac to 10.15. I looked around in the forum first but missed this thread. dang!

    The @Theremingenieur and @Balum methods don't work for me. I can't get the...
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    On Mac 10.14.6, Arduino 1.8.10, T1.48b2 the...

    On Mac 10.14.6, Arduino 1.8.10, T1.48b2 the monitor window looks reasonably disabled and allows copying when unplugged, Yaa!! Have to admit that feels kind of weird copying from a dead window, but...
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    works for me on a Mac also. thanks

    works for me on a Mac also.

    thanks
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    Commenting out the differences in startup.c...

    Commenting out the differences in startup.c between 1.8.9 and 1.8.10 seems to fix the problem.
    17665
    No idea what it's meant to do or any other effects.
  50. Replies
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    @Kurt, Thanks, thought I was being ignored. But...

    @Kurt,
    Thanks, thought I was being ignored. But wait !! Another clue !!

    DemoSauce.ino runs on 1.8.10 if I set optimize to "Smallest Code" !

    This also makes the rest of my programs work that...
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