Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: defragster

Page 1 of 10 1 2 3 4

Search: Search took 0.05 seconds.

  1. Replies
    10
    Views
    102

    Indeed chords would be right out - even playing...

    Indeed chords would be right out - even playing one string and holding any other string would be misinterpreted. Perhaps an electrically active Pick with force sensor.
  2. Thread: Midi 2.0

    by defragster
    Replies
    27
    Views
    2,427

    reading Paul's p#23 - it seems it needs to be...

    reading Paul's p#23 - it seems it needs to be established and commonly available to use an off the shelf device with support of a common OS.

    Until then following the spec might get something...
  3. Replies
    19
    Views
    1,341

    Great! ... p#16 was a bit short … by 'now' I...

    Great! ... p#16 was a bit short … by 'now' I meant to say … the current version of TeensyDuino as Paul indicated.
  4. Replies
    10
    Views
    102

    Greetings @teensy_ino It seems from post #1...

    Greetings @teensy_ino

    It seems from post #1 you have one string working and have a good idea at hand for that. Without code and perhaps drawings to visualize what that consists of a lot is on the...
  5. Replies
    10
    Views
    54

    Also important is what Teensy is in use? What is...

    Also important is what Teensy is in use? What is on the other end of Serial1?

    As noted without a (short) sketch and repro steps any answers would be guesses, as this would normally be expected to...
  6. Replies
    8
    Views
    113

    Seems you are using a T_3.2? The T_4 is buggy...

    Seems you are using a T_3.2? The T_4 is buggy and the T_3.5/3.6 are perhaps not perfect.

    When LTO works it is nice - and it seemed it generally did on T_3.2. But when it makes a bad decision...
  7. Replies
    2
    Views
    28

    Not much here is non-Arduino … except it is all...

    Not much here is non-Arduino … except it is all just c/cpp code … and perhaps less of anything STM anywhere here as the 32 bit Teensy's are all NXP products.

    perhaps mbed offers support or other...
  8. Replies
    1,848
    Views
    133,920

    oh... :eek: ... when connecting to typical slave...

    oh... :eek: ... when connecting to typical slave displays - MOSI goes to MOSI and MISO to MISO … I was online when tonton81 started this and it made sense and seemed normal …
  9. Replies
    1,848
    Views
    133,920

    p#1839 noted a T_3.6 - no note on T_LC. The...

    p#1839 noted a T_3.6 - no note on T_LC.

    The Master In Slave Out and Master Out Slave In follows the expected pattern as defined - the T_LC is an exception where it would not work otherwise because...
  10. Replies
    13
    Views
    77

    Indeed Teensy LC, 3.2, 3.5 and 3.6 and 4.0 all...

    Indeed Teensy LC, 3.2, 3.5 and 3.6 and 4.0 all have 3 or more native Serial UART ports. As noted in the P#2 'out of date link':



    Some Arduino software seems to still rely on or require...
  11. Replies
    1,848
    Views
    133,920

    That doesn't agree with first post this thread of...

    That doesn't agree with first post this thread of Github ReadMe:
  12. The media itself stores data in 512 byte element...

    The media itself stores data in 512 byte element blocks - and the read buffers on that. p#11 used someBuf[512] for that reason - but local buffer access by indexing from a single read transfer will...
  13. That sounds odd, expect the same has been done...

    That sounds odd, expect the same has been done here and other for sure in the past year since T_4 was in Beta with no ill effects. But nothing over 3.3V.

    Has a sketch compiled OverClocked been...
  14. Replies
    23
    Views
    446

    re: The link in post #3 ::...

    re:


    The link in post #3 :: github.com/luni64/TeensySharp
  15. Replies
    13
    Views
    77

    Not sure if this page is current:...

    Not sure if this page is current: pjrc.com/teensy/td_libs_SoftwareSerial.html

    From that page … any better with ::


    #define rxPin 0
    #define txPin 1

    // set up a new serial port...
  16. Replies
    13
    Views
    4,501

    The T_3.2 has 2 KBytes of inbuilt EEPROM storage...

    The T_3.2 has 2 KBytes of inbuilt EEPROM storage area that could hold such information without adding anything. It survives across uploading new code.

    See : pjrc.com/teensy/td_libs_EEPROM.html
  17. Replies
    6
    Views
    71

    do delayMicroseconds(10); ...

    do
    delayMicroseconds(10);
    while ( (Serial.availableForWrite()>3) || (usec > 1000) );

    not sure that is 'worded' right for the desired effect? it will not stay...
  18. Replies
    16
    Views
    246

    Okay - just had to confirm there wasn't a way to...

    Okay - just had to confirm there wasn't a way to brick it - without sealing it in a brick :)

    Indeed if the worst happens during update without/until USB access the Teensy design will leave it...
  19. See links in post #5. Teensy 3.6 has onboard...

    See links in post #5.

    Teensy 3.6 has onboard host connector - see second link for connection and cable - first link is a thread using USBHost code with added river to utilizr high speed USB at...
  20. Replies
    16
    Views
    246

    @bigboosted - the 15s Restore would still work -...

    @bigboosted - the 15s Restore would still work - given access to the PGM pin for 15 seconds right? But that would just get the Teensy running Blink - then needing USB connect to upload to start over?
  21. Yes, there is a way with USB Host on T_3.6. ...

    Yes, there is a way with USB Host on T_3.6.

    See this thread :: pjrc.com/threads/55821-USBHost_t36-USB-Mass-Storage-Driver-Experiments

    This post links to cable and connection option ::...
  22. Replies
    73
    Views
    3,215

    Yes, just wondered if it was one of the things...

    Yes, just wondered if it was one of the things seen as a worthy distraction from what else you can do. Good luck with the rest of what is on your plates.
  23. Replies
    73
    Views
    3,215

    Paul - has enough changed that you plan to do a...

    Paul - has enough changed that you plan to do a Beta #2 on any schedule?
  24. Thread: midi 2.0

    by defragster
    Replies
    6
    Views
    76

    forum search brought up this thread …. Midi-2-0...

    forum search brought up this thread …. Midi-2-0
  25. Replies
    16
    Views
    246

    I have interrupted upload/restore - the flash is...

    I have interrupted upload/restore - the flash is left blanked or un bootable to sketch and fixed with normal button press upload or repeat of 15s Restore.

    As configured those mechanisms are still...
  26. Thread: midi 2.0

    by defragster
    Replies
    6
    Views
    76

    There are other threads with notes on this -...

    There are other threads with notes on this - including one from Paul@PJRC.
  27. Better test could be cores from Beta TD 1.52 with...

    Better test could be cores from Beta TD 1.52 with just the PR file changes? That is what worked for me - with KurtE's test - may not be different - but then any more edits would be against that.
    ...
  28. How big is a zip'd copy of the '2 seconds to...

    How big is a zip'd copy of the '2 seconds to parse' data file?

    Using 'else if' on two of the tests in the right order might allow the compiler to make the loop more efficient.

    doing a "char...
  29. Replies
    6
    Views
    114

    Very cool. Looks like a lot of nice work and...

    Very cool. Looks like a lot of nice work and features packed in that setup
  30. That is good news.

    That is good news.
  31. Saw this note about ventilator cost in 2015: ...

    Saw this note about ventilator cost in 2015:


    Found : high-acuity-ventilator-cost-guide
    with this note:


    ebay:
    Factory data:...
  32. as noted in p#5 and p#6 above DMAMEM is being...

    as noted in p#5 and p#6 above DMAMEM is being misused leading to the compiler complaints.

    All 32 bit ARM pointers are 'FLAT' - they can reach all of memory RAM1 or RAM2 or FLASH, and any device...
  33. Replies
    6
    Views
    114

    The 14 buttons per note - are they touch sense? ...

    The 14 buttons per note - are they touch sense? Nice uniform layout - just wondering what is under that colored label system.
  34. Replies
    6
    Views
    114

    Cool. What's up with all the buttons and...

    Cool.
    What's up with all the buttons and hardware?
  35. DMAMEM is compile time directive - gives static...

    DMAMEM is compile time directive - gives static ram alloc in the heap area just like 'new' at runtime.

    At runtime just doing 'new' should do what is needed without DMAMEM decoration.
    ...
  36. It seems a valid start to parsing. The data...

    It seems a valid start to parsing. The data format is understood by you. Whatever the data was before saving ideally should be re-created or recovered by undoing the process that saved the data.
    ...
  37. Is this with overclocking? Anything over/at the...

    Is this with overclocking? Anything over/at the indicated 912 MHz PJRC noted indeed requires cooling. A processor sized heat sink helps some ( using a RasPi blobby pin copper with heat tape ) until...
  38. Replies
    6
    Views
    104

    Interesting MBED wasn't in the intro post …

    Interesting MBED wasn't in the intro post …
  39. ** cross posted while I played ... indeed the...

    ** cross posted while I played ... indeed the Teensy SD.h should work without error or having to delete any Arduino library

    I just altered and tested with Audio card and it won't play until this...
  40. Replies
    8
    Views
    298

    Another cap by pin #22 ID's here :...

    Another cap by pin #22 ID's here : Help-me-resurrect-a-T4-Cap-value-and-other-details

    Note sure if that helps read the schematic to ID the pad #31 cap?

    The caps are known - maybe only...
  41. Yes, the CS line must be properly driven high to...

    Yes, the CS line must be properly driven high to silence devices on the common bus and pulled low to actually communicate to a single selected device. If those lines are floating either or both...
  42. Note: it does take some delay(); after the...

    Note: it does take some delay(); after the .play() command to have the sound start (open file and begin transfer and output) or the next test will still see .isPlaying == false

    On my machine I'm...
  43. Thread: Teensy WIKI

    by defragster
    Replies
    47
    Views
    1,134

    4 byte FIFO - so it says! Edited links above...

    4 byte FIFO - so it says!

    Edited links above to UART page … odd? - seems we double edit crossposted - but working now ...
  44. Indeed that works here on a Beta T_4 with Audio...

    Indeed that works here on a Beta T_4 with Audio card.

    Using PJRC published file "SDTEST1.WAV" in place of the posted file name.

    Something not converted properly - or perhaps the file is corrupt.
  45. Thread: Teensy WIKI

    by defragster
    Replies
    47
    Views
    1,134

    Opps - the PJRC link was self ref to the wiki...

    Opps - the PJRC link was self ref to the wiki link … corrected

    I did not know the T_4 FIFO's were only 4 bytes? Assumed they were 8 but never got to the number on them.
  46. Thread: Teensy WIKI

    by defragster
    Replies
    47
    Views
    1,134

    Nice work @MichaelMeissner - I added a quick set...

    Nice work @MichaelMeissner - I added a quick set of notes for : Universal-asynchronous-receiver-transmitter

    There are some decent Troubleshooting pages also the whole thread of links/notes : Wiki...
  47. Replies
    5
    Views
    98

    Glad it worked there. I'd suggest it would be...

    Glad it worked there.

    I'd suggest it would be better to create subdirectories and leave the 8.3 naming alone. The 8.3 is deeply embedded and a reasonable restriction as the larger that get the...
  48. And I had this open and found it an interesting...

    And I had this open and found it an interesting read: The science of soap – here’s how it kills the coronavirus
  49. Comment on the SpO2 and other 'simple tests' was...

    Comment on the SpO2 and other 'simple tests' was just with regard to their variability and knowledge of the person making the test report. The Nurse left the room with the sensor in place on my...
  50. Awesome. glad to help - especially after the...

    Awesome.

    glad to help - especially after the half wrong answer in post #2 and #9 before the lights turned on :)

    It could be improved with the 512B chunking writes to SD - but that would take...
Results 1 to 50 of 500
Page 1 of 10 1 2 3 4