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    Just for info the NXP FXOS8700CQ 6-axis linear...

    Just for info the NXP FXOS8700CQ 6-axis linear accelerometer and magnetometer, an FXAS21002C 3-axis digital angular rate gyroscope are no longer manufactured, i.e., discontinued by NXP. The pressure...
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    With the release of Arduino 2.0 Teensyduino is...

    With the release of Arduino 2.0 Teensyduino is now installed via Arduino 2.0 Board manager. So you have to
    1. Click on Files -> Preferences
    2. Then add the following:...
  3. Went to his main site:...

    Went to his main site: https://www.georgerosar.com/ as well as clicking on the link in the post mentioned - looks legit but not sure what the thread is trying to do? but some of his posts are a bit...
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    Comparisons for the DSP_Benchmark sketch: ...

    Comparisons for the DSP_Benchmark sketch:

    Teensy 3.2 (96 Mhz)
    ---------------------------------------------------
    - arm_mult_f32 - 4.763 us ; // real float32 8
    - arm_mult_f32 ...
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    Since I am the curious type wanted to see if the...

    Since I am the curious type wanted to see if the DSP Benchmark Sketch or the sketch in post #11 would run on the T3.x. Should run un-modified. What I found was that for the T3.x's looks like it uses...
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    As a quick last test of the updated DSP for the...

    As a quick last test of the updated DSP for the T4 I ran the Waterfall waveform audio example using this as the input sounds: https://www.youtube.com/watch?v=PAsMlDptjx8. Still worked even with the...
  7. Just looked at the datasheet for the Microchip...

    Just looked at the datasheet for the Microchip FLASH. This is what it says for the WP pin:

    The Write Protect (WP#) pin enables the lock-down
    function of the BPL bit (bit 7) in the status...
  8. Sorry - I misinterpreted your post thought you...

    Sorry - I misinterpreted your post thought you had the winbond one as well.

    Interesting on the WP having to be low. This is the wiring I have been using:
    29504
  9. Created PR...

    Created PR https://github.com/PaulStoffregen/LittleFS/pull/53/files to incorporate the 2 new spi chips.
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    Been playing a bit more with the CMSIS update...

    Been playing a bit more with the CMSIS update using a Teensy micromod. This time I used a test case from a matlab example: https://github.com/Zafar577/MATLAB-DSP/blob/main/TTT.m. Basically a sine...
  11. Not a problem Kris. Take my word for no need for...

    Not a problem Kris. Take my word for no need for payback we all work together :) I have been going to town using your graphing library :)

    Oh did you get a chance to try the settings for the...
  12. PR has been incorporated with the following...

    PR has been incorporated with the following comment from @tsandmann
  13. PR just created: Avoid Linker issue...

    PR just created: Avoid Linker issue w/gettimeofday() on Teensy 4.0 #13
  14. Looks like you beat me too it. But yep.

    Looks like you beat me too it. But yep.
  15. Just tried it and compiles with out errors and...

    Just tried it and compiles with out errors and runs the blink sketch in the freeRTOS library without a problem. T4.1 is blinking and:

    Running FreeRTOS kernel V10.5.0. Built by gcc 11.3.1...
  16. Hi Kris. Sorry at this time that particular...

    Hi Kris.

    Sorry at this time that particular chip isn't supported by LittleFS. Right now it supports the following (extracted from LittleFS.cpp.

    {{0xEF, 0x40, 0x15}, 24, 256, 32768, 0x52,...
  17. As a quick test I commented out gettimeofday in...

    As a quick test I commented out gettimeofday in the rtc.c in the teensy4 core and the Arduino-freeRtos blick sketch ran with out an issue, i.e., no errors using 1.57-beta2
  18. Not sure what nmea library you all are using so...

    Not sure what nmea library you all are using so can't not give it a try.

    But as a test you could always just comment out the gettimeofday function in the teensy 4 core file: rtc.c , and give it...
  19. I hate to tell you this then why are you using...

    I hate to tell you this then why are you using the GC9A01A library!!! The link is to a display using the ST7789 display chip. You should be using the ST7780 display library! Sorry, since you...
  20. Can you post a link to your display.

    Can you post a link to your display.
  21. Actually for a true mirror its should be: ...

    Actually for a true mirror its should be:

    case 4:
    writedata8_last(MADCTL_MX | MADCTL_MY | 0x00 | MADCTL_BGR);
    _width = GC9A01A_TFTHEIGHT;
    _height = GC9A01A_TFTWIDTH;
    break;
    ...
  22. Actually the issue isn't with the new toolchain. ...

    Actually the issue isn't with the new toolchain. I believe the issue is related to the addition of a _gettimeofday function added to core via this:...
  23. Your case 4 should be: case 4: ...

    Your case 4 should be:

    case 4:
    writedata8_last(0x00 | MADCTL_MY | 0x00 | MADCTL_BGR);
    _width = GC9A01A_TFTHEIGHT;
    _height = GC9A01A_TFTWIDTH;
    break;

    Just tried it
  24. This might help as well from the GC spec sheet ...

    This might help as well from the GC spec sheet

    29482
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    @KurtE Not sure the best way to go here...

    @KurtE



    Not sure the best way to go here either.

    I can tell you that the one BT keyboard that I have the only way to get the multimedia keys and trackpad info is to put it into...
  26. You might want to take a look at this...

    You might want to take a look at this https://github.com/Bodmer/TFT_eSPI/issues/96. Its for the ILI9341 but use of madctl is similar. HINT: Look at about line 1337 in the .cpp file.
  27. Glad you got it working

    Glad you got it working
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    Its installed as part of the Teensyduino install....

    Its installed as part of the Teensyduino install. You shouldn't need anyother libraries to make it work.
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    Don;t think there is just a arm_cfft_init()...

    Don;t think there is just a arm_cfft_init() function. Has to be something more like arm_cfft_init_q15 or arm_cfft_init_q31 or arm_cfft_init_f32...
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    Out of this tendency I have for torture I ran an...

    Out of this tendency I have for torture I ran an example I found on line using a 697hz tone that was generated from audacity:...
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    @ PaulStoffregen, Not sure you have seen this...

    @ PaulStoffregen,

    Not sure you have seen this thread:
    https://forum.pjrc.com/threads/71128-Cmsis-5-9-0-cmsis-dsp-1-12?highlight=dsp

    But I managed to get DSP updated to the latest version using...
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    Ok fixed issue I was having with the 9mb...

    Ok fixed issue I was having with the 9mb prebinary compile sizes. Reduced it to <4mb. Updated Github with the changes.

    If anyone has any fun test sketches please give it try. Or post their...
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    Unfortunately no - naming convention didn't...

    Unfortunately no - naming convention didn't change but was taken care of with ifdefs. The libs you mentioned all were updated to support the T4's as well.
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    True. While I haven't checked all the libraries,...

    True. While I haven't checked all the libraries, at least some of them have things like:

    #if defined(__AVR__)
    #error "Sorry, ILI9488_t3 does not work with Teensy 2.0 or Teensy++ 2.0. Use...
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    Should be easy enough to do just by using a if...

    Should be easy enough to do just by using a if defined(__IMXRT1062__)
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    Agree with you on the compiler warnings. With...

    Agree with you on the compiler warnings. With the new compiler fairly clear on what the warning is and how to fix it. When updating a recent library it found errors in the code that the old...
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    On this one the documentation should probably be...

    On this one the documentation should probably be updated to reflect that for the T4.x FreqCount.begin() uses microseconds instead of milliseconds.
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    @PaulStoffregen wondering if the following is...

    @PaulStoffregen

    wondering if the following is correct for the Teensy4's - would like to reduce that 9mb file size at some point

    Misc controls

    -fno-strict-aliasing -ffunction-sections...
  39. I agree with @KurtE on this one. I much prefer...

    I agree with @KurtE on this one. I much prefer the Theia dark theme. For me there is a noticable difference between the Arduino Dark and Theia Dark. Its too bad that you all don't want to support...
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    Was actually going to look at the XBEE library...

    Was actually going to look at the XBEE library today - but that funny - I could have sworn it was there there that last time I was up there?
  41. If you do a search of the forum you will that the...

    If you do a search of the forum you will that the most common issue with using the HC-12 is miss wiring of the rx/tx pins. Since you are using Serial2 you need to make sure that pin 7 is going to...
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    @PaulStoffregen In a very old forum post...

    @PaulStoffregen

    In a very old forum post (https://forum.pjrc.com/threads/24037-CMSIS-DSP-library-supports?p=34228&viewfull=1#post34228) you asked:


    Hope this begins to answer some it.
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    No the library has completely changed from the...

    No the library has completely changed from the version that is currently in the Teensy. If compared what was say in version 5.3 versus now you will see that there are an close to 50% more files than...
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    Just as a futher update I did run @Mcu32's test...

    Just as a futher update I did run @Mcu32's test sketch and yes it returned 0 for both vaules.
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    I am getting 0 for both with the updated library....

    I am getting 0 for both with the updated library.
    Test Data:

    const float32_t testInput_f32[MAX_BLOCKSIZE] =
    {
    -1.570795, -4.793533929171324800, 0.360705030233248850, ...
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    Using @manitou's dsp benchmark sketch: Teensy...

    Using @manitou's dsp benchmark sketch:

    Teensy Micromod

    - arm_mult_f32 - 0.092 us ; // real float32 8
    - arm_mult_f32 - 0.418 us ; // real float32 64
    -...
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    Cmsis 5.9.0 + cmsis dsp 1.12

    Alcon

    The latest version of CMSIS DSP is no longer easy to port to Teensy with out going through and generating your arm_math.a files. DSP is now broken out from CMSIS5 into its own repository as...
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    CMSIS5 DSP version 1.12 + CMSIS 5.9 I figured...

    CMSIS5 DSP version 1.12 + CMSIS 5.9

    I figured out how to compile the latest versions to get an updated libarm_cortexM7lfsp_math. This was just a rough cut as I didn't verify I had any of the new...
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    Confirmed working with teensythreads

    Confirmed working with teensythreads
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    @PaulStoffregen I was trying once again to...

    @PaulStoffregen

    I was trying once again to see if I can get that perl script of yours working on windows using strawberry Perl for window but I keep getting this


    File not found - '*.ino'...
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