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  1. Replies
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    Check out this file on your system :: "...YOUR...

    Check out this file on your system :: "...YOUR arduino..."\hardware\teensy\avr\libraries\ADC\index.html

    Open in browser and there is documentation that should hold answers.
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    Better to let it run - others may be using it -...

    Better to let it run - others may be using it - for instance it drives micros() on T_4

    It returns a uint32_t , and it tracked in a uint32_t rollover works naturally for tracking. Depending on how...
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    Library manager is for when needed libraries are...

    Library manager is for when needed libraries are not present by default on the machine.

    For Teensy/PJRC maintained or optimized libraries … like "anything_t3" or other that will be installed and...
  4. PJRC went with the smaller 1.4" Teensy size T_4.0...

    PJRC went with the smaller 1.4" Teensy size T_4.0 version to get a working board with the NXP 1062 processor.

    Like the T_3.6 that bought out needed on chip pins for Ethernet - indications on this...
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    TeensyDuino stores libraries it maintains in the...

    TeensyDuino stores libraries it maintains in the tree it installs and it works for there for Teensy builds. Best not to edit or move them.

    Anything in sketchbook\libraries is user controlled - if...
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    Same system/IDE/TD software versions here and...

    Same system/IDE/TD software versions here and open lib mgr no problem, even search to accellstepper display and click <more info> works.

    That error does not present. Likely issue with corruption...
  7. FrankB started a library and adding this from...

    FrankB started a library and adding this from above to "library.properties": dot_a_linkage=true

    Results in this - still shows checks of the *.o files - then shows using the '.a' file to build.

    ...
  8. There is a planned Teensy 4.1 that is indicated...

    There is a planned Teensy 4.1 that is indicated to be the 2.4" size of the T_3.6/3.5.

    There is a thread on that - See: pjrc.com/threads/58028-Pins-to-bring-out-on-a-hypothetical-larger-Teensy4
  9. Serial.begin() is extraneous and the value always...

    Serial.begin() is extraneous and the value always ignored on Teensy with native USB hardware.

    If Serial USB is part of the build - then it will come online as soon as the computer connects without...
  10. Just saw this ::...

    Just saw this :: Apollo-11-Computer-vs-USB-C-chargers.html



  11. You don't probably HAVE to - but it is a good...

    You don't probably HAVE to - but it is a good habit. There are rare occasions where PJRC pushes a new BOOTLOADER update to selective Teensy models over time and things change. So when unpacking a...
  12. PJRC ships new Teensy - and this one now Restored...

    PJRC ships new Teensy - and this one now Restored to New - with no active USB Serial code because it was the cause of grief to new users plugging them into older windows.

    That is why TeensyDuino...
  13. Yes, it gets that way - I saw it flash by...

    Yes, it gets that way - I saw it flash by yesterday. I think programming was interrupted and left with blank flash?

    Try the 15 second Restore again.

    Power and watching the red LED - press and...
  14. MAC should be fine if net throughput is under 15...

    MAC should be fine if net throughput is under 15 MB/sec and running high speed.

    Surprising if not running high_speed you can check that value in sketch it seems with :: extern "C" volatile uint8_t...
  15. On Teensy 4.0 the 480 Mbps USB-Serial will be...

    On Teensy 4.0 the 480 Mbps USB-Serial will be using 512B transfers AFAIK.

    Not sure how that relates except the edit above for 24*64 wouldn't be right?

    The T_4 USB stack has been updated and...
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    With install steps as presented there should be...

    With install steps as presented there should be nothing needed and no need for any reference to:: C:\Wavetable-Synthesis

    With TeensyDuino installed in C:\arduino-1.8.12\

    The sketch will be here...
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    Again not sure what is installed to get that...

    Again not sure what is installed to get that example?


    On this system installed with TeensyDuino is ::...
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    Not seeing rename of...

    Not seeing rename of "C:\Wavetable-Synthesis-master" to "C:\Wavetable-Synthesis"

    Not sure if that changes anything … but I do that because how paths are formed isn't clear and it may once have...
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    The only ERROR showing now is this: Not...

    The only ERROR showing now is this:



    Not sure if that is a user supplied file?
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    This "Multiple libraries" is normal behavior and...

    This "Multiple libraries" is normal behavior and as it should be - no need to change anything:


    Multiple libraries were found for "SD.h"

    Used:...
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    Teensy programming selects the 'Programmer' as...

    Teensy programming selects the 'Programmer' as Teensy Loader when TeensyDuino is installed and a Teensy board is selected, so that 'Selection' item does not matter.

    On Windows the "C:\Program...
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    Compiling with speed of 528 MHz or lower will...

    Compiling with speed of 528 MHz or lower will drop heat production. Going to 396 MHz will still exceed T_3.6 processing speed and using even less power will make less heat.
  23. Added # CODE blocking above - click the # and...

    Added # CODE blocking above - click the # and insert code between - or select all text and click the toolbar "#" symbol to add:: //code here with upper case "O" not ZERO
  24. Re #2: Linux - have the latest uDev rules been...

    Re #2: Linux - have the latest uDev rules been applied? Don't use Linux - but prior comments seem to indicate that ModemMgr or other may wake up and take control of the Teensy. Were posts on that in...
  25. Good post & cross post. Dev Mgr is always a...

    Good post & cross post. Dev Mgr is always a chore to read - and T_LC not on desk just now. Seeing both go away says the right two were found and they are as noted live not confusion.
  26. perhaps just Windows confusion - what happens...

    perhaps just Windows confusion - what happens when that one T_LC is unplugged? Do both disappear?
  27. Just showing the first pin when a constant pin is...

    Just showing the first pin when a constant pin is supplied :


    if (__builtin_constant_p(pin)) {
    if (pin == 0) {
    return (CORE_PIN0_PINREG & CORE_PIN0_BITMASK) ? 1 : 0;

    This codes the...
  28. Hope it helps. Try to get the code working...

    Hope it helps. Try to get the code working consistently before editing the board. They may be dim but they should work reliably if the board if good. Then make best attempt to find safe current...
  29. Thread: MCU trends

    by defragster
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    Interesting … long read when it inspires one to...

    Interesting … long read when it inspires one to reading other articles …

    NXP Semiconductors’s new i.MX 8M Plus application processor is the first in the i.MX family with a dedicated neural...
  30. As I read the adaFruit notes it said current is...

    As I read the adaFruit notes it said current is limited to 15 mA by a common SMD resistor. There are pin holes so that resistor could be replaced and there were notes about selecting the right...
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    You've been left hanging … somebody has to get up...

    You've been left hanging … somebody has to get up for work in a few hours.
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    "hid#vid_16C0&pid_0478 Bootloader"is what I see...

    "hid#vid_16C0&pid_0478 Bootloader"is what I see here when I press the a Teensy button to put the Teensy into bootloader mode.

    That button is not Reset - but rather takes the Teensy offline to...
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    Machine restarted for 2nd Tuesday Windows...

    Machine restarted for 2nd Tuesday Windows updates.

    TeensyLoader comes up in a FLASH now! No problem. Something was gummed up in there.

    First upload this time did the APPROVE JAVA (firewall?}...
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    Installed {unzip} IDE 1.8.12 and TD 1.51b1 - No...

    Installed {unzip} IDE 1.8.12 and TD 1.51b1 - No issues on Win 10

    First run Windows wanted me to not run the IDE - but pushed past that with 'Run Anyway'

    Opps - TyCommander was left open owning...
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    @Frank/Mike - the FLASH isn't 2048KB with the...

    @Frank/Mike - the FLASH isn't 2048KB with the reserved 64KB top block of EEPROM and the 15sRestore sketch.

    Assume p#4 was :: compiled and ran with NO issues

    Downloaded TD 1.51b1 - will start...
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    Willy Wonka:

    Willy Wonka:
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    release notes:

    release notes:
  38. I think there may be an issue with the...

    I think there may be an issue with the constructor: Adafruit_TLC5947 tlc = Adafruit_TLC5947(NUM_TLC5974, clock, data, latch);

    Okay '1' is right - but the "#define NUM_TLC5974 1" label has...
  39. Frank is right - check the Audio board underside...

    Frank is right - check the Audio board underside silk screen for orientation with GND pin to Teensy GND. I wish it was also labeled on top as that is the side I always see
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    Even cooler when seeing the details and more...

    Even cooler when seeing the details and more behind it!

    Only one pin left? Have you used any of the bottom pins in case you needed more? The T_3.6 type T_4.1 PJRC is working on would have a few...
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    Cool. Persistent! What's the umbilical blob...

    Cool. Persistent! What's the umbilical blob hanging down?

    More pics and details would be nice to see what and how it does that.
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    so close … not choice but indeed 'basics' >...

    so close … not choice but indeed 'basics' > https://www.amazon.de/dp/B00M77HLII
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    What is showing that : "more than 4 won't work" ...

    What is showing that : "more than 4 won't work"

    Is that from the IDE or other? What OS? What version of IDE and TeensyDuino?

    I have never tried a Teensy 2.x - but for multiple T_3.x. LC, 4.0 I...
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    Wondering if you got the USB2 or USB3? As linked...

    Wondering if you got the USB2 or USB3? As linked above the 'Basics' version USB 2.0 has 'black' insert block in the USB connector - as pictured on the U.S. Amazon site. I ordered two at different...
  45. Good to know you trust them. Indeed if there are...

    Good to know you trust them. Indeed if there are MORE then adding them would make sense.

    For ClocksT4.ino :: > The only EDIT I made was also showing the values in "[MHz" to eliminate confusion...
  46. Indeed a clock diagram could be useful - that is...

    Indeed a clock diagram could be useful - that is another of those underlying things I just 'assume' to be correct. On T_3.x it was simpler as the F_CPU clock drove most things … now a Tree - with...
  47. @mjs513 created that clock summary code - based...

    @mjs513 created that clock summary code - based on his reading of the manual and 'parsing the clock tree'.

    He has done a couple of clock related things that worked so unless the version of the one...
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    Hopefully there is a simple fix? I got two of...

    Hopefully there is a simple fix? I got two of the same from Amazon - USBDeview:
    19036

    Amazon 'Basics' USB 2.0 version

    And another exe - USBView.exe:

    Device Descriptor:
    bcdUSB: ...
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    As noted the language supported by Arduino IDE is...

    As noted the language supported by Arduino IDE is C/C++. For libraries of devices in use there are typically installed 'File / Examples' for that library.

    Working with those will show typically...
  50. See :...

    See : forum.pjrc.com/threads/59526-Low-Power-logging-and-sync()-in-EXFat
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