DFU(Device Firmware Update) controller to write to DFU target device over BLE

[Aswati Vijaykumar]

Hi Nordic Team,

Please share logic for DFU controller to write to DFU target over BLE.

Thanks & Regards,

Aswati

[Amanda Hsieh]

Hi,

Nordic does not provide any DFU Controller implementation for the nRF, and there are no immediate plans to do so. However, we provide a few other DFU controller implementations that you can use as a reference:

• Android-DFU-Library
• IOS-Pods-DFU-Library
• pc-nrf-dfu-js
• pc-nrfutil

You can also refer to the DFU protocol documentation.

-Amanda H.

[Aswati Vijaykumar]

Hi Amanda,

Please share a logic in C language.

Thanks & Regards,

Aswati

[Amanda Hsieh]

Hi, 

Unfortunately, we do not have any official C/C++ implementation of the DFU controller. You may refer to the BLE transport documentation if you want to implement your own. Here are the message sequence charts: https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.3.0/lib_dfu_transport_ble.html?cp=5_1_3_5_2_2_3#lib_dfu_transport_msc 

-Amanda H.