I am using RL-TCPnet for TCP/IP communication. Everything works fine, but there is one problem at this time. The controller is working as a server, so I am sending messages to whoever connects to me. But once in a while I need to send broadcast messages to the subnet, i.e. to the IP address x.y.z.255. Since library function tcp_send only sends messages to the opened socket, I couldn't find easy way to do it. I thought about opening another socket as a client with the broadcast address for this purpose, but this is probably not the best way to do it.
Will appreciate any suggestions.
Gennady
Hans-Bernhard, you are absolutely right. What I meant is a possibility to use one of the known tcp protocol extensions for multicasting, and there are quite a few of those. But seems like implementation of any of those extensions is too complicated at this point and doesn't warrant efforts. And RL-TCPnet doesn't have any provisions for that. I'll try to get amount of clients to the minimum (one if possible).
Thank you