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    The 1062 is the 1060 in the shipping REV #2...

    The 1062 is the 1060 in the shipping REV #2 version.
  2. @FRDM4236 :: Got the FRDM4236 board...

    @FRDM4236 :: Got the FRDM4236 board in today's mail. Looks good - amazing so many wires already pulled across the board!

    Not sure there is room for them already - mixing USB anywhere past the...
  3. A bit more of a forum search may find another...

    A bit more of a forum search may find another example - seems there was one more with better detail than that.

    it is one thing I've not done much with so haven't understood the new scheme yet. And...
  4. There is another post recently regarding PINS and...

    There is another post recently regarding PINS and perhaps the \hardware\teensy\avr\cores\teensy4\imxrt.h and also the schematic - that will have more info on the four PORTS and the pins presented as...
  5. The T_4 of course uses a 1062. It was designed...

    The T_4 of course uses a 1062. It was designed and documented as 1060.

    AFAIK Paul noted two MCU revs were done for the 1060 > 1061 > 1062 is the final production unit. { same with 1050> 1051>...
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    There is a test note linked here in Post #4 for...

    There is a test note linked here in Post #4 for Freq Count in the T_4 Beta thread : not indicated that FreqCount Library resolved for Teensy 4 use at this time:
    ...
  7. There are some tips in at least one 'PORT' post...

    There are some tips in at least one 'PORT' post in the last week or so.

    Not sure if this is the best post?: port-and-toggle-question-T4
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    Good feedback - the Buddhabrot sketch is...

    Good feedback - the Buddhabrot sketch is courtesy of @mjs513. The IDE setting of 1008 actuals codes to 996 through the TD 1.48 setup. It can be changed there.

    Seems noteworthy that over 75C...
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    Not sure if this OSH board was in the linked...

    Not sure if this OSH board was in the linked page: oshpark.com/shared Teensy 3.2 USB v2

    It wouldn't arrive quickly - but should provide a good fix in the end.

    I have one here from an order I...
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    That is interesting and should give Paul...

    That is interesting and should give Paul something to work with as far as info.

    I noticed during Beta that the MCU could seem USB Serial or loop() stalled, but _isr active when I was working out a...
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    Re POWER tests - with copper heat sink this was...

    Re POWER tests - with copper heat sink this was at 912 (?) MHz - posted on T4_Beta thread:


    >> Starting two T4's hit 208 or 215 mA as it comes up before USB LAN adapter is connected.
    - nothing...
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    Yes, sorry to drop that and run. Here is that...

    Yes, sorry to drop that and run.

    Here is that coded to pin #19 { #define SOME_PIN 19 } - it is set PULLUP, so when that pin is set to GND it will break into the _isr and blink { more on that off }...
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    Interesting - must just be hung then - I didn't...

    Interesting - must just be hung then - I didn't test with triggering a fault.

    If you did a 'pin Change interrupt to an ISR()' that did the blink in the isr() I'm suspecting that changing that pin...
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    Sticky: The lib used there vjmuzik pulled in to good...

    The lib used there vjmuzik pulled in to good effect - but it throws this error during build:


    "T:\\arduino-1.8.9t4\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall...
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    @blackketter - Interesting - sounds like it is...

    @blackketter - Interesting - sounds like it is faulting?

    To see use this version of the sketch - any <FAST SPAZ> blinking?

    #include <Arduino.h>
    elapsedMillis inw = 0;
    void setup() {
    ...
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    Not seeing this repro on Windows - LED comes on...

    Not seeing this repro on Windows - LED comes on then goes off with code below.

    @blackketter - does sending one more byte after wake it up - re-reading first post perhaps not as it notes text...
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    this thread just two days old has links ::...

    this thread just two days old has links :: programming-with-USB-to-Serial-adapter
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    Yes, there is - this was posted in recent days...

    Yes, there is - this was posted in recent days and the link should still be near the top.
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    Also - give a look on the forum for Teensy...

    Also - give a look on the forum for Teensy specific tested/developed CAN libraries.

    This one is now well evolved :: FlexCAN_T4-FlexCAN-for-Teensy-4

    Reading/following that thread and working...
  20. Maybe not related - not sure I have a clear pic...

    Maybe not related - not sure I have a clear pic of using "T_3.6 instead" portion... or the rest of what is at hand ...

    Some tested ili9488's were not set up with tri-stated SPI lines - the display...
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    I didn't think so - but … If that is the case...

    I didn't think so - but …

    If that is the case then having the Host send another Byte or so after '2314' will rewake the receive unit?
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    Don't suppose any of these three changes make any...

    Don't suppose any of these three changes make any difference?



    #include <Arduino.h>

    void setup() {
    while ( !Serial );
    }
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    Paul will be doing a full overhaul of the T_4 USB...

    Paul will be doing a full overhaul of the T_4 USB stack to some degree when the functional first pass is replaced with more efficient methods that may double the speed at least once.

    There is a...
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    Bummer on the board loss - and restocking issues....

    Bummer on the board loss - and restocking issues. OshP got me a T4 okay with PCB's in expected time, Never trusted to order Teensy from Amazon. AdaFruit and Sparkfun got a boatload of batch #3 and...
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    Good to see you here @manitou - remembered right...

    Good to see you here @manitou - remembered right it was K66 testing here : teensy3/blob/master/etherraw.ino - apparently this library set has direct MCU ethernet support and was suggested the PJRC...
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    Sticky: @PaulStoffregen>> Two - things ... sort of three:...

    @PaulStoffregen>> Two - things ... sort of three:

    I updated IDE 1.8.9 to TD 1.48 because for some reason the :: 1.8.10 IDE always rebuilds many USBHost ethernet libs even on a small sketch change...
  27. Good work - looks promising - thanks for sharing!...

    Good work - looks promising - thanks for sharing! I may end up doing wires like that to a T4 breakout {the FRDM4236 and the blackketter USB board} - good to see it can work!
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    perhaps read this post for reference -...

    perhaps read this post for reference - port-and-toggle-question-T4
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    Good enough to give a much better idea, looks...

    Good enough to give a much better idea, looks very neat versus a pile of POGO's. I was wondering if a wire could snake through to feed pin #23 from one of the other pin #23 points?
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    Looked good ... Ordered a normal thickness set of...

    Looked good ... Ordered a normal thickness set of 3 … $6.30 ...
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    So I got the sub-boards USB/SD - but haven't...

    So I got the sub-boards USB/SD - but haven't RE-ordered a main breakout again yet. Is there a right one to order?
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    Very sad for that T4 - Still work on topside pins...

    Very sad for that T4 - Still work on topside pins right?

    And we lost a chance to hear if board works :(
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    I ordered one - what is under the Teensy for...

    I ordered one - what is under the Teensy for connectivity? Surface mount contacts? I see the bottom bolts with no through holes for POGO's? And tindie pics don't show.
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    That looks like a good setup. With updated...

    That looks like a good setup. With updated battery support would be interested.
  35. Only support for Serial as shown is available at...

    Only support for Serial as shown is available at this time for Teensy 4.

    This is work planned/in progress with Paul
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    It seems I just have to run posted code :) when...

    It seems I just have to run posted code :) when I saw the OP code I wondered how much free time was in loop and it looked like you calculated that so I wouldn't have to.

    Though it is ODD that...
  37. The pin pads on the bottom are discussed in the...

    The pin pads on the bottom are discussed in the T4_BETA thread - seems they are 1mm to match a standard ribbon cable and connector.

    The area is too cramped and close to the USBHost pins so it was...
  38. See original post:...

    See original post: Compatible-SD-card-connector-for-Teensy-4-0

    Closing this to avoid duplication
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    Indeed SoftPWM is in the list of libraries not...

    Indeed SoftPWM is in the list of libraries not yet updated for Teensy 4.0:

    Teensy-4-0-First-Beta-Test … Post #4
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    Good you put that off until it was stable to test...

    Good you put that off until it was stable to test against. I suppose there may be some subset of 'right size' and 'right regularity' that could be the perfect solution. But easy to see cases where...
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    NOTE on temps: Running at 960 MHz the T_4 with...

    NOTE on temps:

    Running at 960 MHz the T_4 with active USBHost noted above to LAN through powered hub maintained 78C today not problem.

    Going to another sketch @luni intervaltimer posted - and...
  42. Yes, that is one of the OSH PCB's that can be...

    Yes, that is one of the OSH PCB's that can be used to fix a lost USB micro for T_3.2 and similar.

    Those Teensy 4.0 bottom pads are connected to a secondary USB engine in the MCU, they cannot be...
  43. T_3.2 does not have USB Host - those are the...

    T_3.2 does not have USB Host - those are the device pins.

    The newer Teensy's have connect board pins to hold connector better. Indeed it is not the best design … but it was the standard …
  44. See this thread - not sure the OSH board is there...

    See this thread - not sure the OSH board is there … but it has notes that should apply:: How-to-repair-a-broken-off-Teensy-3-0-USB-connector
  45. Teensy can only be programmed through the USB...

    Teensy can only be programmed through the USB Micro connector - or {for T_3.2} the equivalent USB pins connected on the underside. There is no mapping through UART Serial or other way to program a...
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    There is an IDE 1.8.10 issue falsely reporting...

    There is an IDE 1.8.10 issue falsely reporting the 'Multiple Libraries Found'. It is only a user confusion issue - everything builds properly.

    That code works properly in IDE 1.8.9 - a change in...
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    Indeed no complaints here - looks impressive....

    Indeed no complaints here - looks impressive. Just looking to let you see it tested somewhere else and confirm " pretty much what I would expect the numbers to be "

    Same results even at 396 MHz on...
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    @luni - result on T4 at 600 MHz seem to match...

    @luni - result on T4 at 600 MHz seem to match above.

    Here is that code at 960 MHz:


    Tried at 10008 MHz - it ran a bit faster once - second run temp was up and it DIED.

    Then tried at 396 MHz...
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    edited again to show temps was holding at 78C -...

    edited again to show temps was holding at 78C - blowing over heat sink dropped to 72 - cool enough to pull out more heat swapping fingers down to 66C.

    Same counts as above Tcp takes 18 times...
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    Got back to the latest from github, also running...

    Got back to the latest from github, also running IDE 1.8.9 with TD 1.48 installed there - much nicer build!

    Running T4 at 960 MHz through powered hub.

    fBench doing 1024 messages of 4096 Bytes...
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