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Thread: Teensy 4.1 Firmware update through Ethernet

  1. #1
    Junior Member
    Join Date
    Apr 2017
    Posts
    10

    Teensy 4.1 Firmware update through Ethernet

    Hi,
    I'm looking at this powerfull Teensy 4.1 for a project where I would use its ethernet port. As the board won't be physically very accessible, would be great to be able to load a new firmware through the network (as you can do with an esp32 through the wifi or an ethernet shield). Is it possible?
    If not, is there any plan for such feature?

  2. #2
    Senior Member brtaylor's Avatar
    Join Date
    Mar 2016
    Location
    Portland, OR
    Posts
    711
    Do a search for Over the Air updates for options, this gets brought up often.

    Other option is if you can have a second Teensy, BeagleBone Black, Raspberry Pi, etc, then you can upload software using USB from that second device.

  3. #3
    Junior Member
    Join Date
    Apr 2017
    Posts
    10
    Thanks brtaylor,
    I did, but it's always going through an other device which is not what I'd like to do.
    But I maybe found a lead using Joe Pasquariello's 'FlasherX' (here, starting from post #85), replacing the stream from an uart by a stream from tcpip. Should works!
    I'll try when I will receive my teensy board.

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