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    How To Flash a target using a .dfu file

    This is a guide on how to manually flash the firmware provided as DFU file using ST DFUSE tools.

    Introduction

    To manually flash firmware using ST DFUSE tools, get a copy of ST DFUSE tools.

    1. Install the DFUSE tools.

    2. Put your device in bootloader mode. This can be accomplished by pressing a certain combination of buttons. It depends on the particular hardware that you are using.

    Step one

    • Start the STDFU Tester application.
    • Select the "Protocol" tab.
    • Click the "Create from Map" button.
    • Select the "Erase" radio button option.
    • Click the "Go" button.
    • Wait for the erase process to complete.

    Step two

    • Start the DFUSE Demo Application
    • Locate the .dfu file located in the device firmware update .zip file.

      Note: If the .dfu file does not exist in the .zip file. It can be created following the instructions here.

    • Within the "Upgrade or Verify" box, click the "Choose" button and then the "Update" button.
    • Wait for the process to complete.
    • Toggle the devices power.
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