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  • Case ID: 329649
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How to start with the nrf5340

REDHAT

Hi all,

I am very new to the nRF controller. Previously, I have worked with STM32 controllers.

Currently, I am working on a project with the nRF5340. I am having difficulty understanding the nRF Connect SDK. What is this device tree used for configuring peripherals? I can run the example code, but I'm unsure how to configure other peripherals in the device tree and use them.

Could you please provide any advice on this?

Thank you!

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  • +1

    Read the zeyphr documentation about DT. Then make an overlay file for your (example/testing) project - this way you can change stuff without messing up original code.

    The finished device tree can be observed in the projects build/zephyr directory.

    If you are curious - or see unusual DTS macro usage in some code - you can find the finished compiler macros in
    build/zephyr/include/generated subdir. There will be a ton of them on every nRF project.

    What is it used for? It connects device drivers to the busses. This way you can specify which bus a device is connected to (NRF MCUs can have multiple SPI/TWI/UART busses) without touching anything in the driver source code itself.

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  • +1

    Read the zeyphr documentation about DT. Then make an overlay file for your (example/testing) project - this way you can change stuff without messing up original code.

    The finished device tree can be observed in the projects build/zephyr directory.

    If you are curious - or see unusual DTS macro usage in some code - you can find the finished compiler macros in
    build/zephyr/include/generated subdir. There will be a ton of them on every nRF project.

    What is it used for? It connects device drivers to the busses. This way you can specify which bus a device is connected to (NRF MCUs can have multiple SPI/TWI/UART busses) without touching anything in the driver source code itself.

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