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  • Case ID: 290454
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Upgrade to DFU UART bootloader using DFU BLE bootloader

user116888

Hello,

Our board consists of an STM32 microcontroller as the main core and an nRF52 as the BLE module.

In fact, we have older products on the market that support DFU BLE. We will launch a new product soon, but this time we decided to use the DFU UART with STM32 as the host for the upgrade process.

We want to upgrade the old products already on the market to support DFU UART.

My question is: can we upgrade the bootloader (in our old products) from a bootloader that supports DFU BLE to a bootloader that supports DFU UART Wirelessly ?

I know the situation is a bit weird but I hope you can help me.

Thank you in advance.

Development environment:

1- soft device : s132_nrf52_6.1.0_softdevice

2- Bootloader BLE : generated from SDK 15.2

3-  IAR 8.22.1

Best regards,

Omar BEN SLIMA

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  • 0

    Hi,

    My question is: can we upgrade the bootloader (in our old products) from a bootloader that supports DFU BLE to a bootloader that supports DFU UART Wirelessly ?

    Should be fine as long as you can fit the new bootloader in the space that is allocated for the bootloader you have now. I.e. if you don't need to change the bootloader start address to make room for the new bootloader, it should work fine.

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  • 0

    Hi,

    My question is: can we upgrade the bootloader (in our old products) from a bootloader that supports DFU BLE to a bootloader that supports DFU UART Wirelessly ?

    Should be fine as long as you can fit the new bootloader in the space that is allocated for the bootloader you have now. I.e. if you don't need to change the bootloader start address to make room for the new bootloader, it should work fine.

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