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    Will look into the "config.lookahead_size =" -...

    Will look into the "config.lookahead_size =" - but the real issue is 24ms stall on every added/redone block - of course this can only go away with pre-formatting for 'purposeful faster logging' -...
  2. Not sure about website - seems a local issue - it...

    Not sure about website - seems a local issue - it is working today - machine updated and restarted overnight.

    Digikey Flash and Headers - that is Fast - yes you can hold that and I'll update...
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    That wasn't a question - and not properly phrased...

    That wasn't a question - and not properly phrased either : 4096/128 == 32 byte blocks. ( that was from hard coded LittleFS_Program )

    Seeing the chipinfo explains it with regard to FLASH.

    ...
  4. One user did replace a lost cap - and on the...

    One user did replace a lost cap - and on the thread Paul posted the association of the parts - it has been months ... not sure if that got linked anywhere more easily found though.
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    Thanks - I've been chasing circles looking for...

    Thanks - I've been chasing circles looking for the root of those defines - even just grepping the LittleFS folder I was not getting to the actual number part. Then seeing odd 128's - now I assume...
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    'block' seems to be the single unit of tracking...

    'block' seems to be the single unit of tracking and allocation?

    Indeed this is only 'safe' if every "used" 'block' starts with some header tagging/info that assures somewhere in the first 16 bytes...
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    If anyone looks the PR DIFF is TINY ... writing...

    If anyone looks the PR DIFF is TINY ... writing the code much easier than testing ... have Three Teensy testing again ...

    Changed LFSintegrity to have a TOGGLE 'Z'ippy to request no reformat of...
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    Update on Q/SPI prevention of re-Format after...

    Update on Q/SPI prevention of re-Format after lowLevelFormat - coding put into both SPI and QSPI and tested as follows:


    QSPI:
    108.1 secs :: lowLevelFormat
    27.5 secs :: Big File write >...
  9. I went ahead and placed first order - don't...

    I went ahead and placed first order - don't really need anything but didn't want to lose the cart - so will order again next week to get 4 of the 64MB Flash chips when I see they are there.

    AT&T...
  10. Since I got some of the peconnectors.com they are...

    Since I got some of the peconnectors.com they are good to use ( thanks @mjs513 ) - not as cheap as the run of the mill tall ones, but they work, and segmented female nicer that the solid wall type...
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    DONE! And tested to work with TSET in SublimeText...

    DONE! And tested to work with TSET in SublimeText - I already lost my prior edit with Beta5 install and had to look it up. Thanks for the reminder to do the .local. ::...
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    It has seemed the % used calc is accurate and...

    It has seemed the % used calc is accurate and fails when RAM abused and no room for stack - not included in those calcs.

    @luni showed this the other day - an edit to boards.txt on the .ld line:
    ...
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    Opps : of course...

    Opps : of course LittleFS_SPIFlash::erase(lfs_block_t block) is it own function and would take alternate code to implement the byte read test for 'unsafe'.

    For fun here is a unedited current...
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    Added to LFSintegrity is a 'B'ig file write {...

    Added to LFSintegrity is a 'B'ig file write { uint32_t xx, toWrite = (16 * 1024 * 1024) - myfs.usedSize() - 40960; }

    Using a fresh lowLevelFormatted QSPI drive (NO Dir root folders)
    'B'big file...
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    First glance using the 'unsafe=1' hack to skip...

    First glance using the 'unsafe=1' hack to skip formatting if the first 64 bytes were 0xff - after a LLformat seems to works safely and avoid having the format before use when not needed saving 100...
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    Nice, and the English non translated version ::...

    Nice, and the English non translated version :: docs.microsoft.com/en-us/windows-hardware/test/hlk/testref/bbfe7dc4-8ccf-4d8d-b68e-5b6ccab11f0f
  17. Yeah the static memory options are smaller...

    Yeah the static memory options are smaller 128KB'ish at $10'ish each. So hooking a second Teensy to buffer and push to SD would be a decent alternative. And the glance seen showed them to be i2c or...
  18. Short male as well are nice - I see it was back...

    Short male as well are nice - I see it was back in Feb @mjs513 shared some short headers he got from a forum post about that time - not finding the maker that was linked - but even the females were...
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    Will give that a look - thanks for the insight. ...

    Will give that a look - thanks for the insight. Was considering doing a heat map array of blocks formatted to see the pattern - having that will give a way to alter and see the diff. But bottom...
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    ... And you did Very Well! Not proposing...

    ... And you did Very Well!

    Not proposing anything - just noting that the complete LLformat did not actually set the QSPI Flash up for one full pass across the media of no Format access as...
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    Just a quess because of a post that passed by ......

    Just a quess because of a post that passed by ...

    One update to the library involved allowing times specified in words ... including hours

    Seems that is indicated with this line :: typedef...
  22. When SPIFFS was testing in PSRAM it would survive...

    When SPIFFS was testing in PSRAM it would survive a restart IIRC. I don't think that changed with the check for chip to exist and do the setup.

    I looked at it wondering about using 3V3 when...
  23. That seemed interesting - but haven't tried it...

    That seemed interesting - but haven't tried it yet ...
  24. Writing to FLASH is not faster in general - and...

    Writing to FLASH is not faster in general - and the onboard program flash will stop interrupts to assure the write workas noted on linked thread.

    Also I went and tested preformatted FLASH that was...
  25. @KenHahn - filling a cart at your site - working...

    @KenHahn - filling a cart at your site - working up to free shipping ..

    When it comes to your Proto board - > Just looks and the MEGA board does include a step down 2A unit - that looks good in...
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    @Paul :: Back to QSPI LittleFS: Just realized...

    @Paul :: Back to QSPI LittleFS:

    Just realized had not tested operation after Low Level format of QSPI drive with SPEW on looking to see if the underlying code detects formatted space before...
  27. There is a new TD 1.54 Beta 5 development called...

    There is a new TD 1.54 Beta 5 development called LittleFS that allows using a file system on FLASH.
    I'm about to head over to that thread - it has a full chip LOW LEVEL FORMAT that should minimize...
  28. Switched ISP connect and the site is there ????...

    Switched ISP connect and the site is there ???? Odd thing is both at AT&T ???

    Edit: Reset the main modem and all is well there and hotspot.
  29. I was going to order some from Sparkfun when I...

    I was going to order some from Sparkfun when I got a 10% coupon for completing their survey - but it was good for a month and that has gone by already ...

    When I visited ...
  30. That looks great! I poked around the store a bit...

    That looks great! I poked around the store a bit and it has good detail and decent pricing on things Teensy and other! Including PSRAM and W25Q128JV for $1.50.

    The PCB like for the Mega Pro...
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    Indeed it is - Windows gives this for pi^pi ::...

    Indeed it is - Windows gives this for pi^pi :: 36.462159607207911770990826022692
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    Nice to see it coming along and having great...

    Nice to see it coming along and having great general function for four of you on multiple boards!

    I saw success with my last post and then was otherwise engaged yesterday with a bit more ahead...
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    @mjs513 - just posted updated sketch with much of...

    @mjs513 - just posted updated sketch with much of your 'disks' and some added bonus fitting the NEW way of doing it.

    pjrc.com/threads/58033-LittleFS-port-to-Teensy-SPIFlash
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    Using the latest - at least it was 40 mins ago...

    Using the latest - at least it was 40 mins ago ...

    Taking current mtp-test.ino I merged in added 'disks' like @mjs513 did in his posted sketch p#369 using the new methods?
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    Notes:
    Win10...
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    Using latest WMXZ github of MTP : WORKING HERE...

    Using latest WMXZ github of MTP : WORKING HERE TOO

    About to post extended test sketch there
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    @mjs513 - seems @KurtE got your test to work? ...

    @mjs513 - seems @KurtE got your test to work?

    I've not had such results yet? No Errors - just not appearing? Pairing down the multiple arrays and such ... not yet having success ...
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    Wondering why in boards.txt usage : >>...

    Wondering why in boards.txt usage :

    >> USB_MTPDISK_SERIAL results in :: error: 'Serial' was not declared in this scope

    But >> teensy41.menu.usb.mtp.build.usbtype=USB_MTPDISK has Serial...
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    Downloaded and installed beta 5 fine on Windows...

    Downloaded and installed beta 5 fine on Windows 10.

    FIRST:: Went into the 1.8.13 IDE install and removed the "hardware\teensy\avr" to clear of prior betas etc, and removed local library for...
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    Also had not tried before but LittleFS_RAM works...

    Also had not tried before but LittleFS_RAM works from EXTMEM.


    #ifdef TEST_RAM
    LittleFS_RAM myfs;
    EXTMEM char buf[8*1024*1024]; // USE DMAMEM for more memory than ITCM allows - or remove...
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    That sounds like a good plan for TD 1.54 Beta5...

    That sounds like a good plan for TD 1.54 Beta5 where all stands. That will make the MTP cleanup easier to be consistent across all the changes.

    BTW: I ran Three T_4.1's for 10 hours no problem on...
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    The code used has the read like this :: int...

    The code used has the read like this :: int cutoff = analogRead(A3) *20;
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    @Japreja - To compare here is a phone flash photo...

    @Japreja - To compare here is a phone flash photo on my desk of two T_4.1's.
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    Photo software changed on Windows it seems - lost easy rotate - but it has a down sample resize so 4 Mpix is...
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    Good luck with the next set. For sanity -...

    Good luck with the next set.

    For sanity - power the new T_3.6 and watch it blink.

    Then carefully get the 3.3V and GND to the pot and the middle line to one of the analog pins - A3 as in the...
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    Had Rev 0 and 1 PDF side by side - before...

    Had Rev 0 and 1 PDF side by side - before overwriting Rev0 - and both seemed to have the same details and tables - though maybe something was missed in that scan. Last update NXP sent an email where...
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    Newest version of LFSintegrity.ino in post #336...

    Newest version of LFSintegrity.ino in post #336

    Updated with LittleFS constrained progress char print on LLformat.

    Now with elapsed time track on prompt line from time last command sent until...
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    Funny on 10/28 ARROW had listing for the 1176-EVK...

    Funny on 10/28 ARROW had listing for the 1176-EVK - with perhaps similar expected dates - now that shared link and any new search comes up #404:not found

    And their page had actual picture and more...
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    Drive wasn't filled - format took 6.14 minutes...

    Drive wasn't filled - format took 6.14 minutes (New ( 6.14 elap)sed time on command) this time:


    Bytes Used: 15691776, Bytes Total:16777216
    [ 0.26 M]( 0.17 elap) Awaiting input...
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    Did an LFSintegrity run to better fill 16M - then...

    Did an LFSintegrity run to better fill 16M - then 'F'ormat for '.' timing. The dots were under 3 secs each with full llFormat in 96 seconds.

    Using:


    #define NUMDIRS 28 // When not ROOTONLY...
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    Did a progress PR : Limit progressChar SPEW chars...

    Did a progress PR : Limit progressChar SPEW chars - assuming .block_count is a large number

    Tested SPI, QSPI, RAM , RAM is the fastest :)

    Tested LittleFS_Program - fast before use as formatted...
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    Posted code in #336 without actually testing a...

    Posted code in #336 without actually testing a lowLevelFormat.

    Just did that on SPI disk and it completed. Added print notice before and after for user ...

    I saw a progress 'char' could be...
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