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Thread: Jump Teensy 4.0 to bootloader?

  1. #1
    Senior Member
    Join Date
    Oct 2019
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    Jump Teensy 4.0 to bootloader?

    As title asks, can this be done in software on the Teensy 4.x?
    I found this link but it only covers the old Teensy 1.0/2.0

    Thanks!

  2. #2
    Senior Member PaulStoffregen's Avatar
    Join Date
    Nov 2012
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    27,097
    Usually best to call this _reboot_Teensyduino_() function.

    https://github.com/PaulStoffregen/co...sy4/usb.c#L215

    If the process changes in the future, this function will get updated.

  3. #3
    Senior Member
    Join Date
    Oct 2019
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    Thanks Paul. Ill implement a call to this function and give it a try.

    On a similar topic, I remember reading either on the site or github that to jump from
    USB, a command is sent from the host device.

    Now with tools such as TyTools or the TeensyLoader CLI this is done automatically, but is there a way to jump from the TeensyLoader without loading an .ino file into TD and clicking the upload button, eg. in TeensyLoader click File>Select HEX and then trigger an upload?

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