Otso, all, I pushed a partial ENCX24J600 implementation to my feature-coap-temp branch in Runtime. It is the version we managed to build yesterday. ENCX24J600.begin() seems to work, but that is all. The packet sending and receiving are still ENC28J60 versions, and need to be completely revised. Also the actual initialisation code needs to be revised. I don't know when I'll be able to continue with this. Maybe at some point today briefly, maybe only in August. In the meanwhile, feel free to continue the work, but if you do so, please keep me updated so that I know. --Pekka