Bootloader/DFU

The Bootloader/DFU

The Bootloader/DFU example shows how an application can be updated on a nRF51822 chip. The image can be transfered through wired or Over-The-Air, OTA, interfaces.

The SDK provides support for a wired interface in form of UART and OTA interface in form of BLE.

The documentation for the Bootloader/DFU example is structured as:

Section	Description
Introduction to Bootloader/DFU	Introduction to the Bootloader/DFU example project
Bootloader/DFU Architecture	Architectual view of the Bootloader/DFU Solution
Bootloader/DFU Keil Project	Description of the Keil project, compiling Bootloader/DFU, and software flash download (nrfjprog)
DFU Transport Layers	Detailed description of HCI over UART Transport and Bluetooth Low Energy, BLE, Transport Layers
Flash Memory Layout	Detailed description of the flash memory layout for SoftDevice, application, and bootloader/DFU
Bootloader/DFU API	API description for modules specific for the Bootloader/DFU Example