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  1. Do these fit the bill - out of stock since August...

    Do these fit the bill - out of stock since August 7 2019 … https://www.tindie.com/products/OSHChip/16-pieces-of-flip-pins-14/



    Also here … in stock …...
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    Quick follow up on this from #4152 with the...

    Quick follow up on this from #4152 with the while(1) in the lps.ino loop() - Closed IDE and got back to this on teensy_sermon and it has been running fine some time at the same range of rates as...
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    Popped back to the duplicate post above that...

    Popped back to the duplicate post above that listed both names

    @KurtE and @mjs513 :: Are you both using Production boards? In scanning those, that was in the white wire timeframe - not that I...
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    I recognize those 'found devices' - and posted …...

    I recognize those 'found devices' - and posted … not reading for context just now - but here are the links matching by name for ref::

    NXP Semiconductors :: 05-18-2019, 12:08 AM ::...
  5. @KurtE - Very good indeed. Amazing how much...

    @KurtE - Very good indeed. Amazing how much added info comes from those few lines of code {after reading your posts :) }! Indeed that info does a great deal to explain the T4's memory.

    I like...
  6. That is the mods I made to FrankB's decoding of...

    That is the mods I made to FrankB's decoding of how command line can execute the Arduino Builder - combined with TyCommander and an editor like SublimeText I have a great system I like.

    Problem is...
  7. To Add : >> The Power Off state drops the...

    To Add :

    >> The Power Off state drops the 3.3V regulator power as well.

    >> Also if there is VBat power on the T4 - the OFF state will survive power removal. It will still be OFF when...
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    That is odd - I've left ili-9341 and ili-9488 and...

    That is odd - I've left ili-9341 and ili-9488 and st7735 and one and two st7789 displays running on one or more Beta T4's for days or longer since January and no issues - each one still working - the...
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    >> THIS got dropped on the wrong thread … blaming...

    >> THIS got dropped on the wrong thread … blaming the foum software since it was too big it failed to post a few times …

    Paul: loop() Code Mod to lps.ino - for a bit more stress that breaks here:...
  10. SerMon speedup is handy - crashing the IDE and...

    SerMon speedup is handy - crashing the IDE and losing work is ugly - T4 too easy to overload or overwork a PC. I use TyCommander - it doesn't fail but only runs half as fast and uses double the CPU %...
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    The Teensy 4 is as good and robust as all the...

    The Teensy 4 is as good and robust as all the other Teensy 3.x's/LC as abused here. Eight full months of beta units and ham handed handling caused no trouble with any of them - all still working.
    ...
  12. That sounds VERY DIY - and not Teensy related at...

    That sounds VERY DIY - and not Teensy related at all. But at the time of programming a usable USB link must be present to the MCU chip.
  13. Seeing the same behavior on a T4 here. I have...

    Seeing the same behavior on a T4 here.

    I have seen signs of this error before in Beta but never pinned it down while prompting for user input - TyComm would indicate COMM errors as shown below. ...
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    JUST COPIED THIS TO THE RIGHT THREAD ......

    JUST COPIED THIS TO THE RIGHT THREAD ... https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=213338&viewfull=1#post213338

    >> Posting failed a few times due to size and it ended up...
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    Teensy 4 powers up and goes to 600 MHz with this...

    Teensy 4 powers up and goes to 600 MHz with this in startup.c : set_arm_clock(600000000);

    User can call that same func with an alternate number in setup() or after if not wanting to edit the cores...
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    Paul - Very good update for Windows - just some...

    Paul - Very good update for Windows - just some more fun with the rest of the UI tidbits.

    ~6.5 Hours running here - first and one follow up upload of the LPS.ino. That is twice closing the...
  17. prior posts covered quite a bit - find the PJRC...

    prior posts covered quite a bit - find the PJRC T_3.2 OSH Ref board - That and the schematic will show how it is done as others have done it. AFAIK that would go into a board and the connects for...
  18. Hi Jerry - #4 has much of the information. on...

    Hi Jerry - #4 has much of the information.

    on Teensy 4 at start the free running cycle counter is started and can be read quickly with :: uint32_t cyclesStart = ARM_DWT_CYCCNT;

    Searching for...
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    Coming up on 2 hours since IDE was opened with...

    Coming up on 2 hours since IDE was opened with this 'firstTry':

    lps hitting at 197-206K lps just now - that is the lowest seen.

    Nothing broken or unstable looking - RAM up then down and not so...
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    Paul - SerialMon is much faster … ~100K lps...

    Paul - SerialMon is much faster … ~100K lps faster IIRC - and this is way more stable. System is usable and JAVA cpu only 12 to 18 %

    There do seem to be losses at hand though. Ran IDE one time...
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    Yeah - assumed all of that given the intro:...

    Yeah - assumed all of that given the intro: "you'll see a Java exception if you simply click inside the serial monitor window"

    I have not seen any signs of trouble yet - exceptions or explosions...
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    Swapped the PDE.jar :: Win 10 - 16 MB RAM -...

    Swapped the PDE.jar :: Win 10 - 16 MB RAM - i7-6700

    Can't disable AutoScroll to do a cut to paste … the version of LPS.ino I have is holding about 235K lines/sec { plus and minus ~ 15 KB }
    ...
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    Hey Kurt - I had just updated VStudio 2017 when...

    Hey Kurt - I had just updated VStudio 2017 when 2019 dropped - so still using 2017 and it worked to make a console app.

    Quick HACK in the great Frank B Compile.CMD looks like this as edited into...
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    Search Forum for TyCommander perhaps it can be...

    Search Forum for TyCommander perhaps it can be integrated to the setup. Used here with SublimeText integrated to the Arduino IDE build - but not running the IDE now. After Build it uses TyCommander...
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    What is powering the 'custom radio receiver...

    What is powering the 'custom radio receiver unit'? Does the SD access fail when the Radio is not in use?
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    Now that Teensy 4 and TD 1.47 are released I went...

    Now that Teensy 4 and TD 1.47 are released I went back to using TyCommander for Serial Monitor - and also uploading so I can do it all from my editor as IDE without the Arduino IDE {TyComm still Beta...
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    Cool the spacing allows solder with/without...

    Cool the spacing allows solder with/without connector - indeed once the T4 is committed ideally it stays.

    Not sure how you ship - but the world is scared of lithium - Paul excluded his 2032's. ...
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    That looks very good @loglow. Excited to...

    That looks very good @loglow. Excited to assemble and see it work! The Teensy 4 is awesome - breaking all out like this give full utility.

    Nice the Flex Cable is symmetric, also that it...
  29. Awesome! It seemed like it would be nice. ...

    Awesome! It seemed like it would be nice.

    Note: for T_3.x's the cycle counter is not always running so DEBUG should start it ( and T_LC doesn't have one ):

    ARM_DEMCR |= ARM_DEMCR_TRCENA; //...
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    Paul posted a demo code segment that read back...

    Paul posted a demo code segment that read back from FLASH in the BETA thread - reading the RESTORE area code, though the EEPROM area may have read example too as @manitou read that area for meta...
  31. There other posts that might address your issues...

    There other posts that might address your issues - and certainly the schematic posted on PJRC.com for the T_3.2 would be the first step for understanding the layout/connections - and there is a...
  32. As noted a T4 used and TeensyLoader to set...

    As noted a T4 used and TeensyLoader to set initial time in the end. Using the indicated "setTime(3, 3, 3, 8, 19, 2019);" that gave a time in 2020 { when uploading with TyCommander that doesn't know...
  33. @ftrias - not done anything beyond initial test...

    @ftrias - not done anything beyond initial test yet that worked as noted. Added yield() to threads for them to exit after being done some simple task - in minor change to the example\print.ino.
    ...
  34. Indeed either GND pin is the same and will work....

    Indeed either GND pin is the same and will work.

    It seems the battery is not properly presenting 3V to the VBat pin? Without good VBat connected it will run the RTC when powered.

    Uploaded the...
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    I got the PM and replied … @loglow - KurtE as...

    I got the PM and replied … @loglow - KurtE as well was suggesting his USB Host work would be well suited to inclusion.
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    Sticky: Opps - that was to be a question/request to share...

    Opps - that was to be a question/request to share those lines

    p#14 shows it fail in that code - but going there it wasn't clear why T_3.6 should work as it didn't show #ifdef's for those MCU's?
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    Yes, external pullups need to be present for use

    Yes, external pullups need to be present for use
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    Indeed to support pins for USB Host and present...

    Indeed to support pins for USB Host and present those SD pins on the tiny bit of space present that wouldn't allow a usable socket to mount without removing USB Host the revision presented was made...
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    Sticky: @KE4EST - was noted it compiles for T_3.6. With...

    @KE4EST - was noted it compiles for T_3.6. With Verbose on compile that as Verify and in the last lines it will indicate the Libraries used and not used and show location for sure.
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    Sticky: This is in the known issues list Post #4 and #6...

    This is in the known issues list Post #4 and #6 on T4 Beta thread - but no notes so maybe not seen in Beta testing.

    A quick look at that and it has #ifdef for T_LC/3.1/3.2 - but not for 3.5/3.6...
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    Teensy 4 does not have a reset pin. closest is...

    Teensy 4 does not have a reset pin. closest is :: Grounding the ON/OFF pin for ~5 seconds will remove power then doing that again for half second or so will restart as if reset.
  42. this new thread? :...

    this new thread? : Compiling-custom-Audio-Library-compatible-classes-for-Teensy-4
  43. There were some good posts along this line on the...

    There were some good posts along this line on the T4 Beta thread - perhaps @manitou / @mjs513
  44. It is working here. Should this long be...

    It is working here.

    Should this long be uint32_t so the count doesn't go oddly negative? :: volatile long int count = 0; // github.com/ftrias/TeensyThreads/.../examples/Print/Print.ino#L3
  45. Nice. Wondered about T4 GPT resolution …...

    Nice.

    Wondered about T4 GPT resolution … looks like it works to get better than 1 ms - with a 24 MHz clock for the GPT's :: int setMicroTimer(int tick_microseconds …



    int...
  46. Yeah the address space is flat 32 bit - so...

    Yeah the address space is flat 32 bit - so nothing but Linker assigned addresses in 32 bit pointers - the segmentation is handled in the build as directed - not with 8088 like segment registers.
    ...
  47. Nice, can you post a short sketch showing the...

    Nice, can you post a short sketch showing the alloc and usage?

    @KurtE - I skimmed that informative post - but after seeing the usage of .printf() versus .print() I got distracted with what I was...
  48. All of RAM memory is ~1024 KB. But it exists...

    All of RAM memory is ~1024 KB.

    But it exists in TWO parts/segments of 512 KB each. I've not seen a clear note of the rules I could share or learned enough to explain.

    A rough guess would need...
  49. TeensyDuino 1.47 was RELEASED - So with IDE and...

    TeensyDuino 1.47 was RELEASED - So with IDE and Teensy programs closed it should work to install that onto the same Arduino path after downloading : forum.pjrc.com/...Teensyduino-1-47-Released
  50. Mouser $5.09 "SRAM 4Mb 512Kx8 45MHz Serial SRAM"...

    Mouser $5.09 "SRAM 4Mb 512Kx8 45MHz Serial SRAM" - new part 'on order' - SOIC-8 : https://www.mouser.com/ProductDetail/ISSI/IS62WVS5128GBLL-45NLI?qs=byeeYqUIh0M7EH7gI3DsmQ%3D%3D
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