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Update another MCU using nRF9160

OSM

Dear Nordic:

I have a STM32 family MCU with a preloaded bootloader, to which I can update the firmware via UART. The goal I want to achieve is the following:

I want to be able to update the MCU firmware via OTA, I am using the nRF9160-DK to achieve it, but the following doubts arise.

Can I upgrade the MCU using the nRF9160?
Do I need any special hardware to be able to achieve it?
Are there examples of how nRF9160 can remotely upgrade other MCUs via UART?
What is the recommended way to update my STM32 MCU with the help of nRF9160?

Thanks and Regards

  • +1

    Hi,

     

    Can I upgrade the MCU using the nRF9160?
    Do I need any special hardware to be able to achieve it?

    Theoretically, yes. This is possible, but we do not have any supporting libraries / functions that does this for you.

    This means that you must handle the detection of the image in the application space, as well as triggering and transferring of the data from the nRF to the external mcu.

     

    Kind regards,

    Håkon

  • 0 in reply to Håkon Alseth

    Hi Håkon:

    Thanks for the answer, I will proceed to design the PCB independently of the nRF9160 to later generate the interface with the STM32 MCU.

    Regards

    Oscar Saldaña

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