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2 blog posts tagged with ota

by shibbs

Porting the OTA DFU to your Custom App (SDK 12 +)

How to implement the Nordic OTA protocol in your own phone App

This document is meant to be useful if you are implementing DFU updates within in your own smartphone app, and want to do it yourself, rather than rely on trying to turn nrf toolbox into a library that your app calls. In a previous app we did just that, but it was a nightmare, and the nrf toolbox has since changed its structure a lot, making it even harder to do this now.

Our app is a cross-platform javascript app, and in the past we had built our...

by Hung Bui

A presentation on how nRF51 DFU works


I attached here some slides that we used in our technical seminar for Device Firmware Update.

Download the presentation here: DFU_SDKv8.0_Pub.pdf

The presentation covers:

  • What DFU is and what bootloader does
  • Two types of DFU, single bank and dual bank update
  • Some animation explaining how DFU works on both cases
  • How do we do Softdevice update
  • DFU's commands sequence chart

It was heavily based on the SDK documentation you can find here. There are much more detailed information in the documentation.

I exported the presentation to pdf, with splitting for animation, so it should be best...