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  1. Pin 13 doesn't have Analog read ability. Try:...

    Pin 13 doesn't have Analog read ability.

    Try:


    int Xpin=??;
    int Ypin=A0; // pin 14
    int Zpin=A1; // pin 15
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    Missed the follow up post - it was on Next Page...

    Missed the follow up post - it was on Next Page and I just did a refresh before the reply. So I confirmed it doesn't help :)

    Roof Done! Time for cleanup and then after lunch ... a TON of wood to...
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    That was the UNSAID conclusion from last post...

    That was the UNSAID conclusion from last post #271 ... : Some method of explicit baseline behavior control : BITBUCKET or RATELIMIT




    @FrankB - quick - look not sure what to do with the...
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    @Paul - when you get back to this ... Minor dual...

    @Paul - when you get back to this ... Minor dual USB2 output updates if used give more feedback : github.com/Defragster/cdcbench
    Bottom Line: this 'fast' Windows machine seems capable of handling...
  5. What does the input look like? "a square wave at...

    What does the input look like? "a square wave at ~48 Hz " - is it constant and does it need to stay timed to that?

    Seems like "ability to add a variable delay." - is a delay in starting or...
  6. That's where "would take coding work" comes in -...

    That's where "would take coding work" comes in - as Paul mentioned -: " the complexity of FlexSPI and figuring out how to program its LUTs awaits you."

    For QSPI there is some LUT, say 'microcode',...
  7. Good the pinout follows the QSPI standard. And...

    Good the pinout follows the QSPI standard. And it does offer needed higher 108 MHz speed, unlike the slower clocked SPI's. And using as SPI won't map to EXTMEM the same way as the QSPI work does.
    ...
  8. What Teensy model? Is the sketch doing...

    What Teensy model?

    Is the sketch doing anything else?

    Maybe there is a better hardware solution?

    Software could set up a 1MHz (?) interrupt that normally does nothing.
    > When you know the...
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    Nice work showing the work and process in getting...

    Nice work showing the work and process in getting it together!



    Repeating that ... from first demo. Seemed like a lot to put together - new posting shows it was more than that.
  10. When the MRAM's were searched during T_4.1 Beta -...

    When the MRAM's were searched during T_4.1 Beta - usable QSPI's weren't found/tested.

    This looks good except for the 1.8V:


    The first linked : Excelon™-Ultra 4-Mbit (512K 8) Quad SPI F-RAM...
  11. If Beta 3 is soon coming with more rolled in...

    If Beta 3 is soon coming with more rolled in edits? Or not I should give it some runtime ...



    Bit of ache in one spot that seems to be passing :) - tomorrow will tell. 2 to 3,000 lbs if 'dry'...
  12. Relinked OP to p#135 - for some reason it shifted...

    Relinked OP to p#135 - for some reason it shifted URL.

    Is p#135 still the golden set of WIP? : p#135 Teensyduino-File-System-Integration-including-MTP-and-MSC

    It shows 1 each to KurtE and...
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    Seems this may be problem indicator: ...

    Seems this may be problem indicator:


    redEBear here again. Can't find old thread from earlier. el_supremo asked me for this .h file so here it is.
    FilenameFunctions.h

    And here's the code....
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    That's what was pulled from this double posting...

    That's what was pulled from this double posting on a new thread : pjrc.com/threads/68491-Teensy-not-communicating-with-Arduino-IDE
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    This from another second thread: and the...

    This from another second thread:


    and the code.

    /*
    * Animated GIFs Display Code for SmartMatrix and HUB75 RGB LED Panels
    *
    * Uses SmartMatrix Library written by Louis Beaudoin at...
  16. This thread :...

    This thread : pjrc.com/threads/68490-Arduino-1-8-13-complie-issues
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    There seem to be conflicting libraries on the...

    There seem to be conflicting libraries on the system - and perhaps a conflict of what Teensy they are for?

    Follow these lines and make sure they are all pointing to the expected version/copy - and...
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    File not found as it isn't where it is looking...

    File not found as it isn't where it is looking for it ?

    See :: /Users/alfredolivas/Desktop/ARDUINO/AnimatedGifs/AnimatedGifs.ino:91:31: fatal error: FilenameFunctions.h: No such file or directory...
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    DMM is a Digital MultiMeter - for measuring...

    DMM is a Digital MultiMeter - for measuring voltage levels of power and signal lines against Ground. Might also be DVM - Digital Volt Meter.

    Will verify polarity as wired as well.
  20. Indeed it was built in the IDE. There is no way...

    Indeed it was built in the IDE. There is no way anyone can replicate 'the configuration in use' there - that's the value of IDE with PJRC install.

    What that showed was the port setup steps seem to...
  21. re p#13 - just for ref - to test an IDE install -...

    re p#13 - just for ref - to test an IDE install - or if wanting to post code on the forum for others to edits run.

    That code runs and works like this - only add is the Serial Print for fun - and...
  22. Seems tried it at /3 to see if RAM2/DMAMEM ran...

    Seems tried it at /3 to see if RAM2/DMAMEM ran faster ... didn't seem much faster and may have been some issue - so wasn't going to mention that ...
  23. Indeed changed out T_4.0 with heat sink and IDE...

    Indeed changed out T_4.0 with heat sink and IDE set at ~900 MHz to a fresh bare T_4.0 without adjusting 'forgotten' clock setting.

    But was first try with an i2c display - kept hanging and assumed...
  24. Indeed the BUS factors up with CPU speed. With...

    Indeed the BUS factors up with CPU speed.

    With enough cooling it typically works - out of spec - and hard on the chip reducing lifespan even when cool enough with higher voltage in use ... typical...
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    I have not tried that. Current testing is trying...

    I have not tried that. Current testing is trying to USB print at fastest possible 480 Mbps speeds to find a bottleneck repro case.

    This didn't happen at all the first days of testing this - even...
  26. @Frank - where was the newer improved LittleFS...

    @Frank - where was the newer improved LittleFS source seen?
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    Third time: Teensy getting Programmed - this time...

    Third time: Teensy getting Programmed - this time a button push - and all Teensy I/O goes offline: USB and Button HID.

    Plugged in a SFun Redboard and it chimmed in and then out multiple times no...
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    @KurtE - thanks for the details/attention ......

    @KurtE - thanks for the details/attention ... neglected to note is wasn't ___Async() in use.

    So in that case the Isr()'s will get called - data recorded/overwritten - but not attended to in loop()...
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    I just happened to have the code open and added...

    I just happened to have the code open and added += on all the prints per group and redid the posted math quickly and the reported sums always matched the ideal sums.

    The quick feed to excel isn't...
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    @KurtE can correct details if needed ... but ......

    @KurtE can correct details if needed ... but ...

    If the tft.updateScreen() is the DMA driven code - AFAIK that 'generally' runs parallel to the processor loop() and interrupt code.

    If DMA - it...
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    I had not checked that print returned only the...

    I had not checked that print returned only the number of 'sent' characters.
    >>TESTING THAT : print always returns the number SENT, whether printed or not!

    ... Zzzz's now ...

    As far as...
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    Follow up to prior posts. The SerialTest2.exe...

    Follow up to prior posts. The SerialTest2.exe running a bit longer ... 60076.64 seconds

    Printed .ino :: stats: 100K=400001 less=148 repeated 1 rmax=2000000

    It seems to run a bit slower when...
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    Glad to help! It can be a bit cleaner :: int...

    Glad to help!

    It can be a bit cleaner :: int *vv = (int*)(0x2027ff00 - 2 * sizeof(int));

    But that hardcoded number "0x2027ff00" is the 1062's top of DMAMEM less the bytes used for CrashReport...
  34. Should have made clear - that is LINK/text to...

    Should have made clear - that is LINK/text to bootloader chips - for base Teensy PCB boot flash - not add on QSPI ...
  35. Reflowing has helped at least three PSRAM users -...

    Reflowing has helped at least three PSRAM users - interesting if it helps here.

    NOTE from before - was this and backwards WRT "M" and "Q": pjrc.com/store/ic_mkl02_t4.html


    Supported Chips
    ......
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    Opps - forgot .... That only writes to the...

    Opps - forgot ....

    That only writes to the cache and restart will leave it there added : arm_dcache_flush( vv, sizeof( int)*2 );




    void setup() {
    Serial.begin(230400);
    int *vv =...
  37. It was easier than building it myself :) 26180

    It was easier than building it myself :)

    26180
  38. JUST TAUNTING YOU MIKE :) 26179 Indeed - It...

    JUST TAUNTING YOU MIKE :)

    26179

    Indeed - It works as advertised!

    Note: that is Win 11 - it asked 'What to do with Teensy' - and I picked 'explore disk'
  39. Bummer @Frank - maybe some flux and reflow and...

    Bummer @Frank - maybe some flux and reflow and cleanup? You said it was pre-soldered - so it should be good ... but worth a try.
  40. Nice photoshop Mike - post the .hex :)

    Nice photoshop Mike - post the .hex :)
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    That is a relief! Interesting if Device Mgr...

    That is a relief!

    Interesting if Device Mgr shows any notes under EVENTS for recognizing it like it does here.

    I got the Win 11 ISO to install on Flash drive - but the i7-6600U CPU on my ~6 GEN...
  42. Found another T_4.1 with PSRAM and SMALLER legged...

    Found another T_4.1 with PSRAM and SMALLER legged QSPI NOR FLASH and the same HEX also works there.
    It was used in long ago testing of LFSIntegrity - as contents show - except no date.


    Stopped...
  43. Ran this p#287 HEX on T_4.1 with W25Q512JV*IQ...

    Ran this p#287 HEX on T_4.1 with W25Q512JV*IQ here and it works!
  44. I have one here ending in "Q" - is the "M" the...

    I have one here ending in "Q" - is the "M" the odd one out?
  45. ... and me :( ... I find some wonderful things...

    ... and me :( ... I find some wonderful things ...

    @Frank - indeed both on T_4.1 do work. Is the QSPI Flash WSON style or just 8 leg chip? Indeed if WSON it may be NAND not NOR
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    Using the following - should show the values...

    Using the following - should show the values survive a Warm restart:
    DMAMEM int v1;
    DMAMEM int v2;

    DMAMEM is not forcibly reset/zeroed like RAM1 on startup.

    <edit> BUT writes to DMAMEM go...
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    Downloading Win 11 ISO installer to new Write...

    Downloading Win 11 ISO installer to new Write protectable Flash drive for future use and so I can do an install on another machine.

    Next time this machine takes All Teensy offline, nothing shown...
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    So after an IDE Verify build and Button push...

    So after an IDE Verify build and Button push steps the Teensy loader did program? Look at Teensy Loader "Help / Verbose" for log info showing that - please copy and post.

    But after programming by...
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    @Paul - Win 11 here as noted now has been running...

    @Paul - Win 11 here as noted now has been running since End of July,2021.

    p#3 above indicates Win 11 doesn't see a proper driver match for complete install in some fashion.

    Though except for...
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    The steps to test were noted as : Open IDE to...

    The steps to test were noted as :
    Open IDE to simple Blink and do a Verify build with USB type Serial for the correct Teensy Board
    - that should open the Teensy Loader.

    Then pushing the Teensy...
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