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  1. Yes, that is the nature of interrupts. Execution...

    Yes, that is the nature of interrupts. Execution returns to the point and state of the interruption.
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    Seems to be a typically good exposition - Makes...

    Seems to be a typically good exposition - Makes sense to me and I haven't even looked in any of those rabbit holes.


    And yes the FlexIO single shot works promisingly well! Been videoing my room...
  3. Not sure about the priority level of SPI...

    Not sure about the priority level of SPI interrupts. General interrupts get set to 'mid level' of #128 and can raised (lower number) or lowered and the number blocks jump by 8 { i.e. 0-7 is the same...
  4. The startup_early_hook() - but does not have full...

    The startup_early_hook() - but does not have full Teensy functionality at that point so only selective parts of the MCU are ready for use.

    No indication of what code was placed into that local...
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    It could save 'lastFPS' and only print on change...

    It could save 'lastFPS' and only print on change to stop the 1Hz spew.

    I just took out the 3 p#395 lines and it seems I have better contrast to the white spots on my dark shirt. Then put them...
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    Added those three lines in setup() ? - I don't...

    Added those three lines in setup() ? - I don't see a diff - maybe? There is good detail now I may not have seen before with a sun bright window backlighting me - about 1/4 of the screen is white...
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    First time I uploaded that Change - from how Paul...

    First time I uploaded that Change - from how Paul wrote the rectangle I got tearing.

    Two uploads after that and then a Reset - all came up with good movie in perfect Sync and seeing the 31 fps -...
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    What 'trouble'? Only change is to add 'F'? As...

    What 'trouble'? Only change is to add 'F'?

    As noted some starts get odd sync on timing, but restart works 'most times' - with the way it was.

    Also noted 'F' MovieMode seems timing race...
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    Final Note before Zzz's: with > //#define...

    Final Note before Zzz's: with > //#define USE_SPARKFUN 1 :: It works here now for 'c' and 's'. And image is brighter.
    >> ALSO it works across code upload or T.MM Reset (TyComm) { edited above post...
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    Frame Update using FlexIO @31 fps

    Quick UPDATE :: Frame Update using FlexIO @31 fps
    <edit>: Ran 1 hour since posting and still running no issue at 31 fps.

    with : #define TFT_ILI9341 1 for >> "ILI9341_t3n.h"

    and this...
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    @all - Paul - I got github to merge your changes...

    @all - Paul - I got github to merge your changes into mine that was in sync with @mjs513
    >> Changed to using ILI9341_t3n

    THIS WORKS !!! >> 'f' : read a frame using FlexIO (changes hardware...
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    I started to do that - but some of the DMA...

    I started to do that - but some of the DMA disable stuff isn't compatible so switching that off is needed - and thought I saw you ask for a way to count DMA updates? And other than the Reformat...
  13. Indeed, Thread was marked BETA - and a good...

    Indeed, Thread was marked BETA - and a good amount of effort shows GDB generally usable - but has some limitations - for whatever reason the author hasn't updated in 10 months. Whether lack of...
  14. RTC on Teensy 3.x is "Compile Time" - filled in...

    RTC on Teensy 3.x is "Compile Time" - filled in as HEX is created and unchanging - reload the same HEX 22 hours later and it can go back to that time.Off by 2 minutes suggests a long build time or...
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    @mjs513: Made PR for the text.ino...

    @mjs513: Made PR for the text.ino

    Sublime 'code reformat' - lots of tabs showing - odd indents?

    Added 'i' and 1 sec interval timer to track loop cnt and DMA callbacks
    > DMA has minor affect...
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    Just got around to pulling this morning's changes...

    Just got around to pulling this morning's changes - will see where it stands - seems the DMA buffer will work for the Continuous sent to Processing without the bogus image result - will try that...
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    That is a big bunch of data - 300 consecutive 512...

    That is a big bunch of data - 300 consecutive 512 byte buffers. Though at 100-200 Mbs throughput that ~1.3M bits should be a blink. Though we've seen PC side using Java isn't a perfect conduit.
    ...
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    That did it - it was set before ... The PDE...

    That did it - it was set before ...

    The PDE transfer works here in batches. Again maybe it is something about using this USB-C Computer port on a newer faster computer?

    Had to restart PDE 3...
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    Got the DMA code and the screen goes crazy -...

    Got the DMA code and the screen goes crazy - seems my 4" Ribbon wires are too long for that speed and signal?

    Single and Continuous work well.

    It changes behavior when I touch and move the wire...
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    Okay, I assumed that was like Teensy and would...

    Okay, I assumed that was like Teensy and would use the net USB speed ...

    Changed to : myPort = new Serial(this, "COM23", 960000); // Windows

    Seems to be the same? Also with...
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    Number always coming up right - not getting a...

    Number always coming up right - not getting a false trigger - but the buffer can start 'skewed' or go skewed :(

    Implemented "P" { upper case P } for :: g_continuous_pc_mode
    > quick hack -...
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    Indeed that @Paul OSH board looks a good way to...

    Indeed that @Paul OSH board looks a good way to mount and debug.



    It is intermittently and often perfect - except for some batches.

    Just restarted and sent 3 PERFECT images - first two...
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    Just restarted PDE again and the back of the...

    Just restarted PDE again and the back of the T_4.1 card came over perfectly.

    I have noticed if I stop and start the PDE 'too quickly' it seems I get : 'RuntimeException: Error opening serial port...
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    Just restarted PDE - broken image again - the...

    Just restarted PDE - broken image again - the delay(3) not the fix :(
    Here is a Teensy card with light image out of H and V sync:
    24397
    > some of the images before this were worse with garbage...
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    Quick note - I put in an SD card on the MachL and...

    Quick note - I put in an SD card on the MachL and saved a usable bitmap with 3 hr old github - now see it is fresh 32 minutes ago - lib.prop update

    Sounds like good progress on something ...
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    Cloned the @mjs github for camera - not sure...

    Cloned the @mjs github for camera - not sure where the new code is evolving - have not read today's posts yet ...

    All seems well!
    >> Continuous seems FASTER? And it starts with "C"

    Running the...
  27. Flash is memory too. maybe design a board to...

    Flash is memory too.

    maybe design a board to hold a PSRAM alive - would take a smaller battery - and it has RAM in the name. Just the fun of getting it the right voltage at the right time - all...
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    This page : pjrc.com/store/ethernet_kit.html...

    This page : pjrc.com/store/ethernet_kit.html

    It has this image:
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    Using the specified MagJack - all the stuff in the box handles bringing the needed signals to the numbered pins to route...
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    2.8" PJRC w/ILI9341_t3n Display not showing any...

    2.8" PJRC w/ILI9341_t3n Display not showing any issues with latest github release Single or Continuous

    >>- Just the PDE over USB data sync to display image data it seems can get part buffer it...
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    Is this to mate to a T_4.1? Look at PJRC.COM for...

    Is this to mate to a T_4.1? Look at PJRC.COM for their adapter - and has link IIRC to OSHPARK where there is a drawing of the PCB - between those two the parts and wiring to the proper indicated...
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    It has something in the USB COMM SYNC it seems -...

    It has something in the USB COMM SYNC it seems - as noted I restarted and got garbled images - restarted again and counted four finger images perfect from the first.

    Just did a STOP and RUN...
  32. If the HID message transfer from Teensy is...

    If the HID message transfer from Teensy is working to Windows and can be polled and read? Assumed that was working - just not the desired behavior sitting in a tight loop watching for the next...
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    Something odd - as switching to the _t3n...

    Something odd - as switching to the _t3n generally working here -

    >> Always on the display : Single or Continuous { who picked those swapped input letters :) }

    >> Iffy on Processing starting...
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    Latest Github has fixes that work - using...

    Latest Github has fixes that work - using ILI9341_t3 ... NOT "N"
    > again not sure what changes ... - but going to this also working :: #include "ILI9341_t3n.h"

    's' - continuous works!

    Also...
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    Correct - 'p' sends a single image. But 's'...

    Correct - 'p' sends a single image.

    But 's' continuous to display is not doing that.

    I did change the 320x240 layout - but somehow only grabbing and filling top half of frame - full width is...
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    Switched back to 9341_t3 and still not getting...

    Switched back to 9341_t3 and still not getting continuous.

    Here are example processing displayed images I see:
    2439024391

    <edit> Next processing images has L<>R split again?
    Will go grab...
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    Thought maybe it would point to a known change? ...

    Thought maybe it would point to a known change? IT was working when using the 9341 NOT_t3n
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    That fixed the Left to right drawing split. ...

    That fixed the Left to right drawing split.

    But still bottom half black and it draws the top half twice?
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    Also seeing Continuous mode only snapping one...

    Also seeing Continuous mode only snapping one pic? Using 9341_t3n
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    Yes, changed to 9341_t3n - not sure what that...

    Yes, changed to 9341_t3n - not sure what that does differently.

    The ON SCREEN 9341 is PERFECT - that screen shot is what Processing presented.

    It seems to not use current buffer but Snap...
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    Using SFUN and 9341. Ah - so the stored buffer...

    Using SFUN and 9341.

    Ah - so the stored buffer data is unique to 'process'?

    Other images were broken worse at times
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    RE :: Okay Dual Serial and SendRaw enabled ......

    RE :: Okay Dual Serial and SendRaw enabled ... Image is showing - often torn, partial and ugly though? Not a true copy?

    24389

    See the fingers are not in sync ...
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    Thanks for the tutorial ... I wondered as the...

    Thanks for the tutorial ... I wondered as the only line I saw was //mac ... the sketch was scrolled I see now :( - Opps.

    Okay Dual Serial and SendRaw enabled ... Image is showing - often torn,...
  44. There is no 'inherent reason' for the LED to...

    There is no 'inherent reason' for the LED to blink at 1Hz.

    That is only controlled by the sketch uploaded to the Teensy.

    Something interesting is happening - but code loaded on the Teensy is...
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    Now getting grief building last github :...

    Now getting grief building last github : ...\libraries\HM01B0\examples\hm01b0_test\hm01b0_test.ino

    switched to :


    #include "ILI9341_t3n.h"
    ILI9341_t3n tft = ILI9341_t3n(TFT_CS, TFT_DC,...
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    Cool, Will move to the ili9341_t3n - is that a...

    Cool, Will move to the ili9341_t3n - is that a WIP branch or other? ... I see Master as most recent update 26 days back. :: github.com/KurtE/ILI9341_t3n

    Got processing onboard to figure that out -...
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    Okay that $15 3.3V SPI 2" ST7789 should arrive...

    Okay that $15 3.3V SPI 2" ST7789 should arrive Saturday.

    Thanks for the confirm. Thought that was the PC "Processing" code I've not installed yet on this machine.
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    What ST7789? 2" and 240x320? I see this :...

    What ST7789? 2" and 240x320?

    I see this : adafruit.com/product/4311 :: 2.0" 320x240 Color IPS TFT Display with microSD Card Breakout

    How similar is this for faster delivery and no SD ::...
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    No problem to change to ILI9341_t3n ... I just...

    No problem to change to ILI9341_t3n ... I just started with known good installed code as the HM01B0 example just used simple Rectangle to draw for the buffered image and was happy to see it working....
  50. Not seeing any Serial or Seria2 used in p#7 code...

    Not seeing any Serial or Seria2 used in p#7 code to Freeze????

    As noted Serial would be USB and Serial1 would be UART1 (on RX1 and TX1 pins ) and Serial2 is UART2 (on RX2 and TX2 pins )

    As far...
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