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Thread: Can I use the Teensy 4.1 as a USB mass storage device?

  1. #1
    Junior Member
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    Nov 2021
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    Can I use the Teensy 4.1 as a USB mass storage device?

    Hello,

    I want to use the Teensy 4.1 as a USB mass storage device.
    Is there anywhere I can find these examples?

    Thanks.

  2. #2
    Senior Member
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    You can't.

  3. #3
    Senior Member+ KurtE's Avatar
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    I guess the question is, what are you asking for.

    If you are asking if you can plug a teensy into a pc and have it show up as a hard disk (Mass Storage Controller), No there is no support for that... Probably could be.

    However if you are wanting to plus a hard disk into the USB host of the t4.1, then yes there is support that we are in the process of integrating in.

    Likewise if you are wanting the ability to browse storage contained on the Teensy on a PC. We are also integrating MTP (Media Transfer Protocol) support where
    you can setup logical storage on the Teensy which can include SD, or LittleFS (Program space, RAM, Flash chips), and be able to browse them and the like on your PC.

    More details on some of this in the thread: https://forum.pjrc.com/threads/68139...ng-MTP-and-MSC

  4. #4
    Junior Member
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    Nov 2021
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    The former is what I want.
    Thank you for answer.
    I will try to develop with Baremetal, not Arduino.

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