LoRa MAC class A node on Nordic nRF52

Hardware

Developed and tested on Nordic’s PCA10040 DK
and Semtech’s SX1276MB1MAS

Modifications

Cut SB7 (LED3) and SB8 (LED4) - used for DIO4&5

Software

Built using Nordic’s SDK v13.0.0 and gcc version 5.4.1
Using S132 Softdevice v4.0.2

Debug prints using Segger’s RTT mechanism.

Configuration

Set LORAWAN_APPLICATION_EUI and LORAWAN_APPLICATION_KEY in config/Comissioning.h
Device EUI is taken from nRF unique device ID (FICR DEVICEADDR).

Building

Modify SDK_ROOT in Makefile to point to Nordic’s SDK root
Make sure nrfjprog is in PATH
run make flash_softdevice && make flash