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Compiling the Device Firmware

docs/doc/developer/firmware/Compile_firmware.mdx

3.0.0-Android-App2.5 KB
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Prefer a Pre-Built Firmware?

Navigate to Flash Device to install a pre-built firmware version.

Build Your Own Firmware

Step 1: Set Up nRF Connect

Follow the tutorial in this video: How to Set Up nRF Connect

Step 2: Choose Your Firmware Version

You have two options for building firmware:

  1. OMI Consumer Version

    • Open the firmware/omi folder
    • Use nRF Connect SDK and toolchain version 2.9.0

  2. OMI DevKit Version

    • Open the firmware/devkit folder
    • Use nRF Connect SDK and toolchain version 2.7.0

Make sure to use the correct SDK version for the firmware you're building.

Step 3: Open the Firmware Application

  1. Open nRF Connect Extension inside VS Code.
  2. Click "Open an existing application" and navigate to either the firmware/omi or firmware/devkit folder in the root of this repository, depending on which version you want to build.

Step 3: Add a Build Configuration

  1. In the application panel of the extension, click the Add Build Configuration icon. Choose a CMake Preset that matches your hardware.

Board target shoud be: xiao_ble/nrf52840/sense

  1. Scroll to the bottom and click "Build Configuration." This will start the nRFConnect SDK building your firmware file. A VSCode notification popup will notify you of the progress of your build.

Step 4: Locate the Compiled Firmware

Once the build succeeds, you will find the zephyr.uf2 file in the directory corresponding to the CMake preset you chose, for example firmware/build/build_xiao_ble_sense_devkitv2-adafruit/zephyr/.

Step 5: Flash the Firmware

Follow the steps as described here using the generated file

Congratulations!

You have successfully compiled and installed the firmware on your OMI device.