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    Is it possible to set fuse bits in case if we...

    Is it possible to set fuse bits in case if we will not update Teensy Firmware anymore and fixed with one code?
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    Teensy 4.0 Secure Firmware

    Somewhere I read about the way we can do encryption for the firmware to secure it in chip.
    What options do we have on Teensy 4.0 to secure firmware on chip from readback?
  3. Email to Paul

    I think you have to email Paul with your forum username and your static IP. Not sure but may be paul at pjrc dot com.
  4. Either you use VPN and access this forum(I am...

    Either you use VPN and access this forum(I am doing this way). Or if you have Static IP then share that Static IP with Paul and he can whitelist that IP so you can access but make sure it didn't get...
  5. I may have different issue but I am facing weird...

    I may have different issue but I am facing weird time in writing. Most of the time it looks around 100 microseconds but sometimes it goes above 6000 and sometimes 80000 which is almost a second.
    ...
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    Updated library and it's working now.

    Updated library and it's working now.
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    PIT timer and serialEvent1 together

    @luni
    That yield setting get changed in this new version? Now with PIT/GPT timer with serialEvent1 is not working together as in this firmware I am not receiving anything on Serial1. (It works with...
  8. Have you tried TeensyTimerTool Library:-...

    Have you tried TeensyTimerTool Library:- https://github.com/luni64/TeensyTimerTool ?
    Here is Thread on this forum:- https://forum.pjrc.com/threads/59112-TeensyTimerTool
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    Is 0.1.6 the version which supports PIT timers?

    Is 0.1.6 the version which supports PIT timers?
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    Thank You Luni !

    Very cool update @luni.
    I was using IntervalTimer which was based on PIT timer. Let me replace Interval Timer with TeensyTimerTool.
  11. @Frank: Can you share WIKI link?

    @Frank: Can you share WIKI link?
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    @luni: Great ! Now I got this working, GPT1...

    @luni: Great !
    Now I got this working, GPT1 Timer isr as well as serialEvent1 together without any issue. Thank you for this default settings as now the same library is going to work without doing...
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    Ok, Let me try this out and update you if this is...

    Ok, Let me try this out and update you if this is working on the example I shared or not. I think I didn't understand the real use of yield/tick function. If I changed the settings to NONE then I...
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    That would be really great if we have options for...

    That would be really great if we have options for the same. While on other hand if we have real hardware serial interrupt then that may work out temporary, Do you have any idea if we have real...
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    You mean changes so we can set if we want to...

    You mean changes so we can set if we want to overrides yield function or not?
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    TeensyTimerTool + serialEvent1 together

    Hi,

    I am using TeensyTimerTool and serialEvent1 in example code.

    #include "TeensyTimerTool.h"

    using namespace TeensyTimerTool;

    PeriodicTimer myTimer(GPT1);
    //PeriodicTimer myTimer;
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    Timer t1; So this takes Tick-Timer as a default ...

    Timer t1;
    So this takes Tick-Timer as a default

    Timer t1(TMR1/GPT);
    and specifying TMR or GPT will take those one which is interrupt driven - correct?
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    Thank you Frank !

    Thank you Frank !
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    FLASHMEM void tempmon_init(void) { // Notes:...

    FLASHMEM void tempmon_init(void)
    {
    // Notes:
    // TEMPMON_TEMPSENSE0 &= ~0x2U; Stops temp monitoring
    // TEMPMON_TEMPSENSE0 |= 0x1U; Powers down temp monitoring
    uint32_t...
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    I see ! Sorry for this silly mistake. Now I am...

    I see ! Sorry for this silly mistake. Now I am going thru the WIKI to understand this library in more detail.
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    I was trying same example to check it's working...

    I was trying same example to check it's working on Teensy 4.0 but I am getting this error.


    I updated TeensyTimerTools to 0.1.3. Any other library still missing?
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    That would be really good if we can get that...

    That would be really good if we can get that return back so we can make sure to setup numbers. Right now I am using one Digital Pin interrupt and IntervalTimer so let me find out which one is...
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    Thank you Kurt and Luni, I was not aware about...

    Thank you Kurt and Luni, I was not aware about this library. Let me look into detail for this one.
    Do we have the any list for Teensy 4 INTERRUPT NAME list?. I checked interrupt.c
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    Yes, I was using that and thought TimerOne might...

    Yes, I was using that and thought TimerOne might be better options for Interrupt priority set and all.
    Do we have any list of default interrupt priorities for Teensy 4.0?
  25. We also have LOCKDOWN in bigger cities. Things...

    We also have LOCKDOWN in bigger cities. Things are really going crazy !
    I hope this is going to get under control as early as possible.
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    I see so with 600 MHz Smallest we can setup is...

    I see so with 600 MHz Smallest we can setup is 55922 us?
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    Teensy4.0 | TimerOne Library issue

    Board:- Teensy 4.0
    Teensyduino:- 1.51
    TimerOne Library:- https://github.com/PaulStoffregen/TimerOne

    I created simple Blink code


    #include <TimerOne.h>

    const int led = LED_BUILTIN; // the...
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    Yes, GND is common for all this. And Yes I have...

    Yes, GND is common for all this. And Yes I have cut down jumper on the back of Teensy as 5V is given to VIN pin.
  29. Ah ! my bad !! Now I think what we are currently...

    Ah ! my bad !! Now I think what we are currently is best as this may avoid users to go with wrong combination of Teensyduino and Arduino.
  30. This is really good idea. As Frank said there is...

    This is really good idea.
    As Frank said there is way to replace and get the files but still if we do have dedicated page then that might be easy to search for anybody.
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    I have 6 ADC chips and 6 Digipots and SD Card.

    I have 6 ADC chips and 6 Digipots and SD Card.
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    Yes, That's what I am trying to finding out. As I...

    Yes, That's what I am trying to finding out. As I see temperature is rising to 79 in approx 45-50 runtime. And this is the reason I don't won't to play with the limit as it may damage Teensy board...
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    This is weird then as my Teensy 4.0 run on 600...

    This is weird then as my Teensy 4.0 run on 600 MHz only I never went above that. Still in debug messages I see that using tempmon functions I am getting temperature above 79 degree.
    After mostly...
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    One thing that I have noticed. My Teensy 4.0...

    One thing that I have noticed.
    My Teensy 4.0 when it hits temperature above 77degree C it gets shutoff. I thought there was bug of auto shutoff fixed in latest Teensyduino release.
    Is there also...
  35. Teensy4 has multiple Serial, You may use another...

    Teensy4 has multiple Serial, You may use another Serial say Serial1 for your App visualizer and use Native USB Serial interface for programming purpose.
  36. This is really cool ! never tried PlatformIO...

    This is really cool ! never tried PlatformIO before looks like good time to try alternative to Arduino IDE to see if this is better.
    There is no support for Teensy4.0?
  37. Because of too much spamming on this forum. Paul...

    Because of too much spamming on this forum. Paul has banned those ISP. If you have static IP then you can submit that to Paul and he may allowed your IP. If you do not have static IP always then...
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    Thank you MichaelMeissner for these functions.

    Thank you MichaelMeissner for these functions.
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    Teensy 4.0 Internal Temperature measurement

    As in latest Teensyduino 1.51 Temperature shutdown bug get fixed.
    My question is how can we measure Teensy internal temperature?
    Any direct register access gives the value to be calculated and...
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    When is this version going to get released?

    When is this version going to get released?
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    SuPaulMan ! So fast !!

    SuPaulMan ! So fast !!
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    @mjs513: Thank you for this update. I didn't...

    @mjs513:
    Thank you for this update. I didn't updated my Arduino because of Teensyduino only, As now both are updated I am going to give it a go and update here.
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    Is SD Library issue addressed in this realease?...

    Is SD Library issue addressed in this realease? 1.48 is having SD library working but 1.49 does not. (I tested on Both)
    Hardware : Teensy 4.0
    Interface: SPI
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    I just downgrade to Teensyduino 1.48 and SD Card...

    I just downgrade to Teensyduino 1.48 and SD Card ReadWrite example is working fine. And Same Example same hardware setup it gets SD Card Init failed with Teensyduino 1.49.
    Teensy 4.0
    Hardware...
  45. https://www.digikey.com/products/en?keywords=AE113...

    https://www.digikey.com/products/en?keywords=AE11351-ND -- this should work for you.
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    Sorry, I missed that out. Post Updated. Hardware...

    Sorry, I missed that out. Post Updated. Hardware connection is SPI. Pins 11,12,13 and 4 as CS.
    If I am not wrong I was having this setup working with previous version 1.48. I am going to try that...
  47. @mjs513 I got MPU working with Teensyduino1.49...

    @mjs513

    I got MPU working with Teensyduino1.49 and WriteFast you mentioned @ https://forum.pjrc.com/threads/58688-Teensy-4-0-Clock-speed-influences-delay-and-SPI?p=224096&viewfull=1#post224096.
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    Looks like with Teensyduino 1.49 deafult SD...

    Looks like with Teensyduino 1.49 deafult SD library is having issues. Basic example ReadWrite is now failed to Init SDCard function. I am using Teensy 4.0

    Hardware connection is SPI. Pins...
  49. There is detailed discussion about the same...

    There is detailed discussion about the same here:- https://forum.pjrc.com/threads/58689-Teensy-4-0-CPU-Speed-Option-Not-Working-Properly-!?p=223762
  50. Looks like this modification is working. I...

    Looks like this modification is working. I started observing data is changing for all 9 DOF. Not sure along with this fix we need 1.49 Beta#3 or 1.48 is also good enough to go with this fix.
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