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    All pins on the Teensy are active and defined...

    All pins on the Teensy are active and defined based on the function they provide - at least for the 32 bit ARM Teensy.

    Did you get a CARD with the Teensy? Which one do you have?

    Ideally your...
  2. Indeed that should work - the Teensy should not...

    Indeed that should work - the Teensy should not harm itself.
  3. The processor manuals for each Teeny are linked...

    The processor manuals for each Teeny are linked on the PJRC.com - as are the schematics for actual MCU connections to each board.

    The T_3.6 USB device micro USB connector is independent of the...
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    That is good news! Not surprised there was a bit...

    That is good news! Not surprised there was a bit more - easier to "#if 0" than to fix everything when it isn't actively used - at least that left a MARKER to start the changes needed.

    I only...
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    Bummer you didn't get to try it before shipping. ...

    Bummer you didn't get to try it before shipping. It might not relate - but if it does the software fix is better than hardware for what it does.

    Glad the file was found - didn't notice Paul's...
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    Paul - back in the stuck this state { hardware...

    Paul - back in the stuck this state { hardware setup as the Serial#1-7 prior post w/picture } :: 11:09:56.762 (loader): HID/win32: HidD_GetPreparsedData ok, device still online :-)

    Something to do...
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    I was in wrong ili9341 tree - it had the T4_WIP...

    I was in wrong ili9341 tree - it had the T4_WIP not T4_Beta. Will retest.

    As far as the Serial test :: "ALL Serial POGO pins"

    it is running #1 through #7 :: HardwareSerial *psAll[7] = {...
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    That link from post #28 should have pointed here...

    That link from post #28 should have pointed here :: https://forum.pjrc.com/threads/56541-Teensy-3-2-not-booting?p=207942&viewfull=1#post207942


    If I'm reading right ... 2 hours late for sleep …...
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    Is there a T_3.2 without CAP mod to try the code...

    Is there a T_3.2 without CAP mod to try the code change linked in post #28?
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    With a downloaded Win 10 ISO on 8GB USB FLASH -...

    With a downloaded Win 10 ISO on 8GB USB FLASH - and a fresh hard drive - Windows 10 will install and license on a machine that shows up in MSFT database (?) as having had Windows 7 or Windows 8. If...
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    I put ALL Serial POGO pins on the pre-Ribbon...

    I put ALL Serial POGO pins on the pre-Ribbon Breakout when extra pins came with the Ribbon T4_B2m - just dared to do that with the Ribbon board so it is all POGO'd out on 10 under pads too.
    ...
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    Not sure what ili9341 branch to use? _T3 or the...

    Not sure what ili9341 branch to use? _T3 or the T4_WIP? The _t3 updated 2 months ago seemed to fail on T4 if I tried it right - The T4_WIP is 3 months old.

    Using @KurtE's current adafruit_GFX on...
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    It seems my Teensy under Win 7 got lost a time or...

    It seems my Teensy under Win 7 got lost a time or two - in that case it came back after programming a second Teensy somehow. Sometimes just changing the USB port used was enough. I never had to do...
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    Sounds great @KurtE - that example helpful to...

    Sounds great @KurtE - that example helpful to know about.
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    Changes are needed at some point to the _GFX code...

    Changes are needed at some point to the _GFX code because it was updated by Adafruit. If you put that copy in your (sketch)\libraries folder it should show as being used in the verbose build...
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    The linked display is the 7789 so using the...

    The linked display is the 7789 so using the recent drive @KurtE has done on the T4_Beta thread may be the one to try.

    I have that loaded on a T4 now - for a ST7735 with only 128x128 bits and...
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    Indeed - for some reason - that code is made...

    Indeed - for some reason - that code is made inactive with the :: #if 0

    Perhaps it causes use of unneeded resources, conflict or other reason when not required. Perhaps you can make sense of it...
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    Looked this up - been some time - lib it two...

    Looked this up - been some time - lib it two years old : github.com/qix67/uVGA

    Notes there say:


    have to confirm that #34 Vsync is not on port D
    Seems FTM channel control of Hsync may...
  19. Yes either of those 32 bit units is a practical...

    Yes either of those 32 bit units is a practical improvement over the 8 bit AVR.

    While the LC and 3.2 are developed to be interchangeable in large part - RAM & Flash Memory and speed are a big...
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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 ->...
  22. 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...
  41. 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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