...DNP3 Linux SDK contains Shared Library(.a) (precompiled library), Static link lib, Demo Server & Client programs, CodeBlock Demo console project files, Doxygen .
DNP3 Demo Linux Shared Library includes simple (Outstation Server & Client C programs )example using a Command window and command line inputs.
Get a free DNP3 Development Bundle
http://www.freyrscada.com/dnp3-ieee-1815.php
Interoperability :
http://www.freyrscada.com/docs/FreyrSCADA-DNP-Driver-Object-Variation-Support.pdf
Video Tutorial:
https://www.youtube.com/playlist?list=PL4tVfIsUhy1abOTxSed3l56FQux5Bn_gj