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Type: Posts; User: Chris O.

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    @ luni Unfortunately that's not possible with...

    @ luni

    Unfortunately that's not possible with DesignSpark Mechanical free version, you can only do this with SpaceClaim Engineer.

    With SpaceClaim Engineer, not only do you get the intuitive and...
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    Hi luni. I see what I can do but it's getting...

    Hi luni.

    I see what I can do but it's getting too late tonight ( 3:13am ) I got to be up in the morning.
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    Okay so here I am releasing my 3d files in couple...

    Okay so here I am releasing my 3d files in couple formats, note this is my first experience in 3d software.
    All created with DesignSpark Mechanical version 3.
    MIT License:
    2031820319
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    Hey guys I'm about to release my Teensy 4.1 3D...

    Hey guys I'm about to release my Teensy 4.1 3D Cad Files just need to adjust few things on the bottom.
    Quick preview:
    20307
  5. Frank you stole my idea;) I am in United States...

    Frank you stole my idea;)
    I am in United States but the post office so slow I order one from East Coast Adafruit NYC.
    ESP32-WROVER-B Module - ESP32 with PSRAM Module
    20202
    I was jealous of you...
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    Well I'm having issues ordering one Teensy 4.1...

    Well I'm having issues ordering one Teensy 4.1 and two PSRAM, under the payment I can type the credit card number no problem but as soon as I click - Place This Order Now
    this shows up in...
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    Yeah something like that I was comparing files...

    Yeah something like that I was comparing files with Teensyduino 1.51 and Teensyduino 1.52 beta4.

    Here is a PMF Player SdFat v2 BETA + DMAMEM Buffer + Audio USB example.
    pmf_player_2_minimum.zip...
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    Thanks guys. It's no fun getting injured with...

    Thanks guys.
    It's no fun getting injured with this covid-19 crap going on but the doctor said I'll be okay.

    @defragster

    Yeah I was surprised too, the code was running for two weeks straight...
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    Thanks defragster. I have no idea really it has...

    Thanks defragster.
    I have no idea really it has taken me two days to figure this out, at least it's running on Teensy 4.0 and Teensy 4.1 beta now.
    Because of my eye injury today at work I will not...
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    All good on Windows 10 Except i'm running into...

    All good on Windows 10 Except i'm running into trap stack overflow issue with my sketch on all the 1.52 beta :confused:

    Arduino IDE 1.8.12.

    For now this is my quick fix:...
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    Woohoo I guess I'm a lucky guy. ;)

    Woohoo I guess I'm a lucky guy. ;)
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    Modified blink example: Use PIN 13 & PIN 12. ...

    Modified blink example:
    Use PIN 13 & PIN 12.


    /* Blink without Delay

    Turns on and off a light emitting diode(LED) connected to a digital
    pin, without using the delay() function. This...
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    @CP406 Use SdFat-beta...

    @CP406

    Use SdFat-beta library, 255 character limit.
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    My best guess:rolleyes: If it ain't broke don't...

    My best guess:rolleyes: If it ain't broke don't fix it.
    Because Teensy LC was not define it was basically using a AVR to ARM Teensy emulation, at least that's how I see it.
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    Well if you are not afraid of editing one file in...

    Well if you are not afraid of editing one file in SD library I got idea.

    Edit file: Sd2Card.cpp
    Location on MS WIN10: C:\Users\-- YOU --\ --- ...
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    @ rumar I cannot replicate the issue on my side ...

    @ rumar
    I cannot replicate the issue on my side :confused:

    Teensy LC
    Windows 10
    Arduino 1.8.10
    Teensy Loader 1.49

    Exemple code:
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    Hi I'm going to give your player a try soon, in...

    Hi
    I'm going to give your player a try soon, in case you are not aware of new Jarkko thread.
    link: Arduino Music Player on Teensy Audio Shield
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    TPS2113A Power Multiplexer Carrier with USB...

    TPS2113A Power Multiplexer Carrier with USB Micro-B Connector, Status: Active and Preferred
    or
    FPF1320 Power Multiplexer Carrier with USB Micro-B Connector, Status: Not Recommended for New Design.
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    Arduino-1.8.10 Teensyduino 1.49 So I've been...

    Arduino-1.8.10
    Teensyduino 1.49
    So I've been playing around some more with Native Serial support (COMx port), can anyone test this:

    For Teensy 4.0 ADD or EDIT ---\cores\teensy4 usb_desc.h, for...
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    O0o!! why didnít I think of that :D

    O0o!! why didnít I think of that :D
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    Perhaps we should do something like this for...

    Perhaps we should do something like this for detecting the library version ?

    #if defined(SdFat_h)
    char *SDFAT_ver = SD_FAT_VERSION;
    if (!strcmp("2.0.0", SDFAT_ver)) { // ver 2.0.0
    ...
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    @ WMXZ Can I send you a beer money or donation...

    @ WMXZ
    Can I send you a beer money or donation of some kind, renaming files works like a charm:cool:
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    I only installed SdFat beta ver 2.0.0 library and...

    I only installed SdFat beta ver 2.0.0 library and maybe I'm cheating but this is all I did in MTP_config.h

    #if USE_SDFAT_BETA == 1
    //#include "SdFat-beta.h"
    #include "SdFat.h"
    ...
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    I am using the SDIO (4 bit) Teensy 4.0 bottom...

    I am using the SDIO (4 bit) Teensy 4.0 bottom pads for SD card, external micro SD card should work also but slower (1 bit SPI).
    And yes you should see your device, here's a picture on Windows 10...
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    I think you are correct, this is all thanks to...

    I think you are correct, this is all thanks to >Wikipedia error<. Since now that I downloaded the specification for Media transport protocol v1.1 I don't see a way of rename a file with that Opcode...
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    Media Transfer Protocol 1.1 spec: Opcode -----...

    Media Transfer Protocol 1.1 spec:
    Opcode ----- Operation --------- Name Explanation
    0x1019 ----- MoveObject ------- Rename a file or directory
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    I'm curious how hard would it be to add the...

    I'm curious how hard would it be to add the renaming file functionality in the MTP library?
    Now we can copy files from MicroSD <--> PC and delete files.
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    WMXZ I just noticed your other thread Weird...

    WMXZ
    I just noticed your other thread Weird behavior of SerialMonitor and I am running into the same issues.


    Also cannot upload code without button press.


    About 2.5 second on my PC if I...
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    Teensy 4.0 MTP + Native Serial port :) EDIT:...

    Teensy 4.0 MTP + Native Serial port :)
    EDIT:
    Well I speak too soon the Serial port seems laggy :confused:

    MS WIN10
    Arduino-1.8.10
    Teensy Loader 1.49
    ...
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    @ WMXZ I got the Teeny4 MTP and Native Serial...

    @ WMXZ

    I got the Teeny4 MTP and Native Serial port running just needs more testing and cleanup
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    Oh yes I forgot to mention the above code belongs...

    Oh yes I forgot to mention the above code belongs to ---\hardware\teensy\avr\cores\teensy3 usb_desc.h
    and there is a typo ENDPOINT_TRANSIMIT_ONLY replace with ENDPOINT_TRANSMIT_ONLY
    NOTE:...
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    Hey I'm working on this right now, not sure if...

    Hey I'm working on this right now, not sure if this is all correct yet :eek:


    #elif defined(USB_MTPDISK)
    #define VENDOR_ID 0x16C0
    #define PRODUCT_ID 0x04D1
    #define...
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    @ WMXZ Any reasons for this #elif...

    @ WMXZ
    Any reasons for this #elif defined(USB_MTPDISK_)<--underscore still in copy-of-core/usb_desc.h


    #elif defined(USB_MTPDISK)
    #define VENDOR_ID 0x16C0
    #define PRODUCT_ID ...
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    @ chipaudette Arduino-1.8.10 Teensyduino...

    @ chipaudette


    Arduino-1.8.10
    Teensyduino 1.49
    Teensy 3.6 [all Teensy 3.x series]

    Unfortunately it doesn't look good, in the boards.txt file [ MS WIN10 ...
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    WOW !!! Thank you WMXZ !!, now we need...

    WOW !!! Thank you WMXZ !!, now we need Teensyduino 1.50 beta with the "MTP Disk (Experimental)" in the Tools. ;)
  36. @joey120373 If you are using the framebuffer...

    @joey120373
    If you are using the framebuffer and updating the whole screen perhaps it's because of the SPI bus speed limit:confused:
    LINK: Teensy 3.2 - SPI Clock over 30 MHz.
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    The default priority is 128 if I remember...

    The default priority is 128 if I remember correctly, and I think you have to set the priority for the whole PORTx range.
    Link: Interrupt priority for attachInterrupt?.
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    delayMicroseconds(10); delay in an Interrupt...

    delayMicroseconds(10); delay in an Interrupt routine Column_One_Int() :confused:
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    I had great success with Texas Instrumentsís...

    I had great success with Texas Instrumentsís TPS2113A autoswitching power multiplexer.
    Pololu - TPS2113A Power Multiplexer Carrier with USB Micro-B Connector.
  40. TEENSY 4.0 - PMF Player - SdFat version 2.0.0...

    TEENSY 4.0 - PMF Player - SdFat version 2.0.0 BETA ONLY - 512k array buffer example. ;)

    //============================================================================
    // PMF Player SdFat v2 BETA...
  41. Yeah I was afraid of this. I am actually...

    Yeah I was afraid of this.

    I am actually loading a big music data file in 512k buffer now, plays beautiful if the file is not too large for the destination array buffer.
    Funny part is it will...
  42. One more noob question: are you loading the music...

    One more noob question: are you loading the music data from the SD card?
    The reason I'm asking is because I'm not sure if I can split the song data file and play it from let's say 126kb array...
  43. Hi Jarkko. If it's not too much to ask can you...

    Hi Jarkko.
    If it's not too much to ask can you explain the first few bytes of the data structure created with PMF converter.
    I'm not sure about the data marked in the red:

    0x70 0x6d 0x66 0x78 -...
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    Here is what I have you can probably modify it to...

    Here is what I have you can probably modify it to suit your needs.


    #include <SdFat.h> // SdFat V "2.0.0"

    SdFat SD;
    File m_pSource;

    const int DIR_max = 250; // [# of Directory - max]...
  45. @ MichaelMeissner and JarkkoL. Thanks both of...

    @ MichaelMeissner and JarkkoL.
    Thanks both of you I could not reply sooner because of power outages after snow storm ĎEzekielí in the Poconos USA.

    @ MichaelMeissner
    Yeah I'm not sure what my...
  46. Hi Jarkko I just want to let you know I've been...

    Hi Jarkko
    I just want to let you know I've been playing with your pmf player for two days and I am extremely impressed.
    Only issue I'm having right now is that I cannot get ILI9341 TFT display and...
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    ;) From LINK: STRANGE GPIO speed perfomance with...

    ;) From LINK: STRANGE GPIO speed perfomance with digitalWriteFast() (ring oscillator example)

    void setup() {
    pinMode(9, OUTPUT);
    CORE_PIN9_CONFIG = PORT_PCR_MUX(1); // no slew rate limit
    ...
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    Try digitalWriteFast. There is of course other...

    Try digitalWriteFast.
    There is of course other caveats such as loop() overhead and pin slew rate limiting, which is on by default on teensy 3.x.
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    Behold my poor man's Teensy 4.0 microSD slot. ;)...

    Behold my poor man's Teensy 4.0 microSD slot. ;)

    Digi-Key Part Number 609-5773-1-ND
    18274
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    Click me :D --> SPI Data in/out naming clarity...

    Click me :D --> SPI Data in/out naming clarity
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