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    That is a large amount of code with unique...

    That is a large amount of code with unique devices.

    Is it totally stopped or just no longer printing to USB? Is there any idea where or why it stops? Did it work before up to some point before...
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    As far as using the DAC pins ::...

    As far as using the DAC pins :: Teensy-3-5-How-to-write-data-to-DAC-pins-easily

    For the SD card on the T_3.5 this example should work : ...\hardware\teensy\avr\libraries\SD\examples\CardInfo ->...
  3. Looking at the list it seems 16 digital pins and...

    Looking at the list it seems 16 digital pins and 4 analog pins would be needed.

    Suggest reviewing the available Teensy products - it seems a 32 bit Teensy LC or 3.2 would easily solve the problem...
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    At that point a Button press should facilitate...

    At that point a Button press should facilitate the upload if the cable is good. Did a Button press allow the upload?

    Indeed without USB running on the Teensy in some fashion ( compiled in and...
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    @KurtE - got the latest - will run some sketches....

    @KurtE - got the latest - will run some sketches. I suppose you read and followed AdaFruit 'github Roadmap' and Prime Directive …

    Starting with red board 1.44" V1.1 SPI '??[ 9163, 7735 ]...
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    With so many worldwide Teensy lovers {and...

    With so many worldwide Teensy lovers {and unhealthy sleep patterns} - it is rare one isn't online it seems.

    If you have a test unit with repro - making/observing the Cores code change would be...
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    @TBill - more details, notes here...

    @TBill - more details, notes here

    from the end:
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    The Sumotoy code was last seen on T_3.2 - not...

    The Sumotoy code was last seen on T_3.2 - not even #ifdef's for K66 or K64, and it embeds SPI code like this the T4 doesn't appreciate with #ifdef IMXRT1062 added:

    KINETISK_SPI0.PUSHR = d |...
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    ili9163 - those are the last little display I was...

    ili9163 - those are the last little display I was working with @Sumotoy on 3-4 years back ... : https://github.com/sumotoy/TFT_ILI9163C

    SPI 128x128 and 1.44"


    Plugged ili9163 in on T4 running...
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    Good work @KurtE - I'll give the rotate a view on...

    Good work @KurtE - I'll give the rotate a view on my short unit and see what shows up.

    I suppose I should start feeding my displays 3.3V instead of 5V.
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    @mjs513 I just put two pieces of wire wrap wire...

    @mjs513
    I just put two pieces of wire wrap wire under the final Ribbon Beta T4 - pulled out #26/27 to end pins on Serial 6/7 rows when I opened that for the rest of the POGO pins. Handy stuff.

    I...
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    What happens with similar code using the IDE for...

    What happens with similar code using the IDE for reference?
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    Here is the ref note from Paul ...

    Here is the ref note from Paul forum.pjrc.com/threads/56541-Teensy-3-2-not-booting

    With notes in prior post ...
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    @gimpo - startup init ordering change was made...

    @gimpo - startup init ordering change was made for T_3.6 - there was a recent post where that could be attempted on T_3.2 ...
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    I actually have mine fed 5V - I never properly...

    I actually have mine fed 5V - I never properly populated an OSH Purple PJRC Test board - just the 100 OHM on the end - center pullups - three headers on top - and on this board pull a wire from VIN (...
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    Wow - amazon lists this as "HD" - 1.3" ST7789...

    Wow - amazon lists this as "HD" - 1.3" ST7789 240x240 - High pixel Density! Nice and clear to read - under magnification!

    opps - thought you were already in the code when I mentioned rotation. If...
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    @KurtE - running that \SpeedTest\SpeedTest.ino I...

    @KurtE - running that \SpeedTest\SpeedTest.ino I changed :: disp.setRotation(0); - and I didn't see a change?

    Also - when it finished the table of number sprinted don't seem to start at 0,0? ...
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    opps ... I got a call to a neighbor's house as I...

    opps ... I got a call to a neighbor's house as I saw this - made post and jetted over ... now back ...

    It is this included example:: T:\tCode\libraries\ST7735_t3\examples\SpeedTest\SpeedTest.ino
    ...
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    @KurtE in speedtest.ino noted above I did this...

    @KurtE in speedtest.ino noted above I did this quick - to repeat the intro tests then it dies - gotta run - not sure what is doing this?::

    Note death of locking - requires Button to reprogram:

    ...
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    @KurtE - I got the github >>...

    @KurtE - I got the github >> ST7735_t3-T4_beta.zip

    Compiled and ran the example 'graphistest' in the lib examples - on T4 plugged into PJRC Purple Test PCB

    Post#3368 sketch code #1 is...
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    Good work KurtE - I confirmed the AdaF_GFX with...

    Good work KurtE - I confirmed the AdaF_GFX with 9341 - but don't have any 7735's to try.

    I don't have a good answer for re-define of Progmem … bummer T4 needs it back in use …

    <EDIT> … for some...
  22. When powered by USB cable there will be 5V on the...

    When powered by USB cable there will be 5V on the (internal) VUSB pin labelled on the rear of the card and if the VIN <> VUSB trace has not been cut - that same 5V will appear on Vin pin. The current...
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    Those links look familiar from the other thread -...

    Those links look familiar from the other thread - check the thread or the github branches for the latest notes, and there is updated USBHost_t36 linked on that thread too.

    Unzipping the latest...
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    No, USB is the Teensy supported way to...

    No, USB is the Teensy supported way to communicate with the bootloader processor to initiate the code loading over USB.

    Others have made ways to flash code to the processor - though not that I...
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    If you can read the array of momentary...

    If you can read the array of momentary pushbuttons - then they can be treated in any desired way.

    Not sure how to read this? "use the analog inputs for potentiometers can this be done with the...
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    Paul's notes suggest timing will be by end of...

    Paul's notes suggest timing will be by end of July - but nothing official on the release plans or pricing yet.

    You could get a T_3.6 now and see it working by then. If you look at the T_3.6...
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    What I saw was here - Audio on #26 and #27 -...

    What I saw was here - Audio on #26 and #27 - whatever they mean or do those TX's aren't on card:


    Bottom:
    --- ---- ---- ------ --- --- --- --- ---- ---- ------...
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    Indeed for T_3.2 noted in OP - an external HOST...

    Indeed for T_3.2 noted in OP - an external HOST Shield would be required.

    The link from KurtE points to Working - work in progress - that allows file access using T_3.6 USB Host connection. If...
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    Msg #3 Card image looks good - the tan for USB...

    Msg #3 Card image looks good - the tan for USB Host is nice.

    Using as Ref 'posted text' for 1062 in MSG#3 :: I did a quick scan - Serial pin #'s line up, and the 3 i2c's, and SPI & CAN pins. I...
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    Indeed the boxes seemed like a good way to...

    Indeed the boxes seemed like a good way to contain and group them to make sense of the otherwise disassociated field of 'color blob splatter' and then a single arrow to the proper pin array is...
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    @KurtE - It works on ili9341. I had to grab ::...

    @KurtE - It works on ili9341.

    I had to grab :: github.com/adafruit/Adafruit_ILI9341

    Using the mock_ili9341 example in the GFX lib it is running with T4 on the PJRC Purple OSH test board.
    ...
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    Very cool insight - nice share … how long does a...

    Here's info on all the other test points....

    ...
    Maybe that's more than anyone might ever want to know about the test procedure, but hopefully it shines some light on why there are so many test...
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    Did a quick shifting of the back side to suggest....

    Did a quick shifting of the back side to suggest. Red Boxes were just to make them stand out for grouping as an addition - black would be right perhaps - with a single arrow to the general area...
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    Maybe on purpose to save space? T_LC and T_3.2...

    Maybe on purpose to save space? T_LC and T_3.2 cards show Analog/PWM critical function: Resolution (Ref)

    @KurtE - I'll try linked and downloaded > adafruit_ili9341
  35. Not sure anything is 'designed' to work in that...

    Not sure anything is 'designed' to work in that situation - or that it has been done. There was a post some time back about 3 or more larger ili9341's used at once with unique CS pins.

    How many...
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    Bootloader support from PJRC is provided on a...

    Bootloader support from PJRC is provided on a secondary processor sold on the PJRC website. That MCU ships only from PJRC with installed bootloader code used to provide the programming interface to...
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    That was the issue with my problem unit - that's...

    That was the issue with my problem unit - that's where I was going with the 'firm Button press' - it flexes the board enough to restore connectivity.
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    I'm seeing that BLE is its own thing versus...

    I'm seeing that BLE is its own thing versus regular Bluetooth - is getting BLE done/do-able on Teensy USBHost? I'm glancing around with web searches and not sure how much I don't know yet :) I'm...
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    @mjs513 - the HDMI demo on uTube showed menu and...

    @mjs513 - the HDMI demo on uTube showed menu and screen rotation - it seemed that was text over image. I don't have one and haven't looked beyond that.

    @willie.f.t - yeah I remember that post and...
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    That looks like very good development KurtE! ...

    That looks like very good development KurtE!

    I've run lots of the samples - but never beyond the 'casual user' mode just expecting it to work, so having this low level code resolve out multiple...
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    That is much more positive than before - at least...

    That is much more positive than before - at least the TWO onboard processors show some degree of full functionality! Was it a firmer Button press beyond 'click' that made the difference?

    This...
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    There is an example of FreqCount on the web...

    There is an example of FreqCount on the web that makes it work easily. I've done it recently without trouble. And 1 MHz is well below pushing the count in any way - the web page suggests "up to 65...
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    @ChipDeMoss each of the links in p#16 brought up...

    @ChipDeMoss each of the links in p#16 brought up offers to save the .EXE for prior versions

    Shorting the link shows the folder of the various OS offerings: https://www.pjrc.com/teensy/td_146/ and...
  44. Hi Tom - first message posted is the indication ...

    Hi Tom - first message posted is the indication - glad you stopped back.

    If TeensyDuino completed the install - but no Teensy boards show up then the running version is not where TeensyDuino...
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    Good work @KurtE with the pin checks ALT and...

    Good work @KurtE with the pin checks ALT and bonus PWM's ... Though Paul's cyclic trigger routing for the SD pins was really tricky testing the POGO.

    Distracted like @mjs513 here - pulled apart a...
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    You are quite right!

    You are quite right!
  47. Yes, that would be the place to start. tonton81...

    Yes, that would be the place to start. tonton81 p#5 linked another above - not sure if that is the newer better version for your purpose. But SPI_MSTransfer for sure worked between two Teensy units...
  48. Find the github tonton81 version - what I have is...

    Find the github tonton81 version - what I have is certainly out of date.
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    The manual section shown isn't clear if the data...

    The manual section shown isn't clear if the data should be ASCII as above or binary, but there should not be spaces between the field values in any case:

    This ' Serial1.print("A5 5A 05 82 FF C9 00...
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    I saw that with an encoder recently - when I...

    I saw that with an encoder recently - when I plugged on the wires I was shifted by one so only one pin was changing on rotation and it resulted in a 0 & 1 toggle in the displayed data. Check your...
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