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  1. Replies
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    Clipped off the resistor on the DIY breakout - no...

    Clipped off the resistor on the DIY breakout - no change.

    Luckily the bad drive isn't mine - owner delivered new computer to get his data back - so I have to worry over it - and not put it off …...
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    Indeed - works either way same or second Teensy -...

    Indeed - works either way same or second Teensy - didn't want to assume you had another on hand.

    A bit harder to manage maybe with all on one - but then it would be easier to have anyone repro and...
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    NOTE: A new thread was spawned regarding this :...

    NOTE: A new thread was spawned regarding this : large-volumes-of-serial-data
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    The other thread has useful back ground...

    The other thread has useful back ground information to understand some of the issue here ... i.e continue there or add more details here perhaps.

    to wit:: This needs to replcate the behavior of an...
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    Downloaded two zips try try after zzzz's. I...

    Downloaded two zips try try after zzzz's. I didn't see any output like that showing a transfer with the CANFD code. I suppose your second B2 breakout was also a DIY kit - didn't have those two...
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    Design the board to Teensy specs and include the...

    Design the board to Teensy specs and include the PJRC bootloader MCU chip found on the PJRC.com website.

    There is a Paul Stoffregen T_3.6 Reference board published on OSH Park shared boards
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    Was suggesting using the sketch linked on that...

    Was suggesting using the sketch linked on that thread (change to Serial6 if/as needed} to see if it causes the same behavior as related on that other thread to gather more info.

    The post by...
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    Used KurtE's pintest and I get blinks to LED13 on...

    Used KurtE's pintest and I get blinks to LED13 on 30 and 31 both boards with a clip on POGO shaft and other end to Pin 13.

    Swapped wires to shorter breadboard wires - still nothing beyond the open...
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    Recent post this thread by Paul has PJRC status...

    Recent post this thread by Paul has PJRC status statement … IIRC Ideally before August … but TBD ...
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    Not eagle - but Paul has an OSH 'reference board...

    Not eagle - but Paul has an OSH 'reference board for T_3.6' using the larger pinned chip - board is complete - closer to uno size.
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    tonton81 - if you have any good test or working...

    tonton81 - if you have any good test or working code.

    Will do a pin check - was going to do that next ... but just got a hard drive to recover dropped on me ...

    Swapped A to T4B2 and B to...
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    @mjs513 - two units T4B2m as nodeA and T4B2 as...

    @mjs513 - two units T4B2m as nodeA and T4B2 as nodeB - running sketch as extracted from ZIP with no changes or other dependent files? Connected GND to GND and CANL to CANL and CANH to CANH - each...
  13. Thread: Emmc

    by defragster
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    That 6 to 10+ MB/sec speed note was using USB to...

    That 6 to 10+ MB/sec speed note was using USB to connect to USB to SATA controller - that library combo is prepped to work to USB, SDHC or SPI - not sure where it stands as far as maturity and perf
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    @MorganS : Does this seem related :...

    @MorganS : Does this seem related : Issue-when-connecting-two-teensy-3-6-via-serial-pins

    Post #2 has a sketch on that thread - seems tha same as version in post #10 ZIP - then the later posts with...
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    Will give that a try soon. I'm currently using...

    Will give that a try soon. I'm currently using SublimeText w/compile.cmd and TeensyLoader with button push upload - and TyComm for serial monitors --- will see if that works here.
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    Indeed - getting an external 'non-subjective'...

    Indeed - getting an external 'non-subjective' reading of the temp - even in Celsius :), or an absolute internal temp reading from the processor temp sensor library would be best.

    Given the results...
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    The DYI breakout seems to be working … of course...

    The DYI breakout seems to be working … of course 120 ohm isn't a default resistor either - hopefully twin 220's for 110 Ohms is close enough for short wires? … where the wires will be CAT5/6? I may...
  18. Cool - I thought the Quit was a good way to make...

    Cool - I thought the Quit was a good way to make sure there wasn't corruption caused when quit would shutdown cleanly - before upload or other planned shutdown - or if a long test was started and a...
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    That sounds easy enough.

    That sounds easy enough.
  20. It was in :...

    It was in : T:\tCode\libraries\uSDFS\examples\logger_RawWrite\logger_RawWrite.ino

    I don't have a copy of the logger_RawWrite_FS.ino - maybe next pull from Github?

    Did you guys put in my QUIT...
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    Just looked … I found some 60# 10K SMD's that...

    Just looked … I found some 60# 10K SMD's that should work and some tinier 40# ones that would probably not work after soldering :)

    What POGO jumper wires did you do? I only got 6 POGO's so USB,...
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    @mjs513 - sounds good. I likely won't get...

    @mjs513 - sounds good. I likely won't get breakout built until Sunday afternoon either. Do you have an answer on the twin 10K resistors between CANH and CANL on the bottom side? Paul did other...
  23. Did you note: uint32_t buffer[BUFFSIZE]; // 4...

    Did you note: uint32_t buffer[BUFFSIZE]; // 4 bytes per BUFFSIZE entry in the buffer

    For SSD that isn't super impressive either given the are listed at 500MB or some GB's - of course this is...
  24. Paul has made at least one good 'interrupt jitter...

    Paul has made at least one good 'interrupt jitter reduction' post - Found it … pjrc.com/threads/27690-IntervalTimer-is-not-precise

    That might make entry time a bit more stable
  25. Bummer - that is not impressive - hopefully mine...

    Bummer - that is not impressive - hopefully mine will somehow be magically better and fully supported … With SSD's larger allows more parallel activity - maybe with HDD smaller will be better :)

    I...
  26. Thread: Emmc

    by defragster
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    PCI sounds like work … how about this: QNINE...

    PCI sounds like work … how about this:

    QNINE NVME to USB Adapter, M.2 SSD to Type-A Card (No Cable Need), High Performance 10 Gbps USB 3.1 Gen 2 Bridge Chip, Use as Portable SSD, USB to M2 SSD Key...
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    Paul - looking at parts to build out the breakout...

    Paul - looking at parts to build out the breakout board.
    On the prior shipped B2 board there are a pair of 10K SMD resistors placed end to end between CANH and CANL on the bottom - is that 20K...
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    Morning after looks good here for the " soldering...

    Morning after looks good here for the " soldering those white wires takes time " board. Assuming no special testing focus where the white wire might affect any other chip function?

    Did repeat of...
  29. OT - but it seems this group is Windows and could...

    OT - but it seems this group is Windows and could be using Compile.cmd from editor? And maybe TyCommander.

    For T$ post on 15s Restore image I took TyCommander out of IDE to use TeensyLoader.
    ...
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    Normal operating temp is 95F to maybe 105. If...

    Normal operating temp is 95F to maybe 105. If you can comfortably touch it is it under 115F.

    The on chip temp reading will likely indicate higher as it is point source inside - not spread out to...
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    @Paul - forgot to mention/ask - did you get the...

    @Paul - forgot to mention/ask - did you get the 15sRestore image write corrected/changed on the T4B2m you sent to me? USB View doesn't show it as right but:
    > I did 5 15s Restores and Windows did...
  32. Thread: Emmc

    by defragster
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    My assumption was the laggy fitful nature of the...

    My assumption was the laggy fitful nature of the SD card writes being the problem? … assuming indeed the SD card could be made secure. Though adding an SSD is about the same size as an SBC- plus the...
  33. Just posted this on another thread...

    Just posted this on another thread {I see WMXZ found it too} - testing with a T_3.6 at 256MHZ - this code works there and I see the same speeds as on T$ for USB writes to my HDD:

    Here is the...
  34. Thread: Emmc

    by defragster
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    How much is too much for Flash to hold? ...

    How much is too much for Flash to hold? Wondering about that with T4 where data creation is even faster and easier - and USB out is fast as Device or Host at 10 MB/s to start. A HDD on USB HOST...
  35. Yes, the Teensy has USB support in code on the...

    Yes, the Teensy has USB support in code on the processor - it can get up and running and present that quickly - then the PC needs to recognize and attach to it - that wait can be 35ms to 200ms or...
  36. Try putting this in setup() before any printing...

    Try putting this in setup() before any printing and then look to see the printed line.


    while ( !Serial && millis()<3000);
    Serial.println("\n" __FILE__ " " __DATE__ " " __TIME__);


    That...
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    @Paul - regarding post #2876:'Notes #2' will...

    @Paul - regarding post #2876:'Notes #2' will leave to your consideration the perhaps unexpected state of the pin power keeping some part of the 'RTC' section alive when power otherwise removed.
    It...
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    Teensy 4 Beta2 Mod tolerates powered UARTS on startup

    ALL GOOD - First indications show T4B2mod able to power up and run without issue when 2 T_3.x UARTs powered and connected::
    > USB power on connect
    > Off/ON breakout button
    > 15s Restore Button...
  39. @mjs513 - I was at newegg and bought there - bugs...

    @mjs513 - I was at newegg and bought there - bugs me when I get stuff from amazon instead of newegg that has been there as needed for years - so I didn't look this time. Ships faster 'FREE Delivery...
  40. Looking to put the T4B0 on USB test duty needed...

    Looking to put the T4B0 on USB test duty needed to fix/add this for 1052:

    T:\tCode\libraries\uSDFS\src\utility\sd_msc.cpp:
    29 #include "sd_config.h"
    30
    31: #if defined __MK66FX1M0__...
  41. re#144 :: There is more to using the myusb and...

    re#144 :: There is more to using the myusb and .begin() - I didn't incorporate that …
    Examples in USBHost lib show .being() and .Task() … but there must be more to getting the USBHost myusb so far...
  42. Thanks - I did put the Amazon hub into the T$ and...

    Thanks - I did put the Amazon hub into the T$ and it works with the drives with the drives that worked before.

    Flash drive speed looks similar - but the 11MB/s HDD is now showing 10.56 regularly. ...
  43. Having hub support is good. If you can derive a...

    Having hub support is good. If you can derive a worthy example - especially incorporating other Host devices for parallel use? Second drive? or input device?

    I ordered a drive box for a 2.5" HDD...
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    Good, I do see the shiny blob. Sense of scale...

    Good, I do see the shiny blob. Sense of scale with angled viewing under there and headers in place is way off from the larger visual on the card - especially the T_3.2 without the USB leg/pin there...
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    With nothing else in loop() that reset() is being...

    With nothing else in loop() that reset() is being called at least a couple hundred thousand times per second on a T_3.2.

    I put the code in a sketch and without waiting at least/about 970...
  46. Amplifier connected to line out in some fashion...

    Amplifier connected to line out in some fashion and not the headphone jack?
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    @Paul - I have not removed the T4B2 from the...

    @Paul - I have not removed the T4B2 from the breakout - I've not seen signs of a trace to cut to isolate VUSB from VIN. Is there an onboard provision for this?

    … just saw the 5V VUSB through hole...
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    SMD soldering welcome :) - showing Friday...

    SMD soldering welcome :) - showing Friday delivery. Without SD and those little pogo pins was expected - through hole for USB and CAN will let the T4b2 unit have a place to live and be productive in...
  49. I saw an Iomega Zip drive on my desk - wasn't...

    I saw an Iomega Zip drive on my desk - wasn't going to mention it or try it. What about CD/DVD drives :( Ethernet seemed like useful fun - except it probably has a boat load of code beyond...
  50. Not sure how many more I have - these are old...

    Not sure how many more I have - these are old 'kits' with 3.5" drives - not sure there isn't another couple around - and some other adapters. They got abandoned when the packaged 2.5" drives came...
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