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nRf52 sends a hex file to STM32F4 through UART

Nordic_partv_

Hi all,

I have a nRf52832 Buttonless DFU setup and application is BLE APP UART.

nRF52 SDK = 17.0.2  

I need to send a hex file of STM32F4 through UART. Do you have any example / reference link?

Thanks.

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    Hi,

    Is it the case that you want to transfer the upgrade image for the STM32F4 to the nRF via Bluetooth, and then use the nRF to perform upgrade the STM32F4 over UART?

    If so you must refer to STM documentation for how to do the DFU of that device and implement that on the nRF yourself (we do not have any examples for upgrading non nRF-devices, unfortunately. And the method here would be determined by the DFU solution used in the STM device). Regarding how to transport the image to the nRF that could be done in several ways. You could for instance use a custom BLE service to transport the image to an available flash region in the nRF, and once transferred, do the upgrade procedure.

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  • 0

    Hi,

    Is it the case that you want to transfer the upgrade image for the STM32F4 to the nRF via Bluetooth, and then use the nRF to perform upgrade the STM32F4 over UART?

    If so you must refer to STM documentation for how to do the DFU of that device and implement that on the nRF yourself (we do not have any examples for upgrading non nRF-devices, unfortunately. And the method here would be determined by the DFU solution used in the STM device). Regarding how to transport the image to the nRF that could be done in several ways. You could for instance use a custom BLE service to transport the image to an available flash region in the nRF, and once transferred, do the upgrade procedure.

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