sending UDP messages to different specific IP addresses

[jstamour802]

I am trying to communicate to three specific IP addresses and send messages to each using UDP from a front panel. I have three loops set up in my program, each loop communicates to each IP address, but it seems some loops take precedence over others. If I adjust one set of controls, it works, but other controls may or may not. It also may flip-flop into which set of controls work after long periods of delay but seems more or less intermittent. Is there a better way of doing this?

[Sam_Sharp · Accepted solution]

It may be that 10ms isn't enough of a timeout for the network socket to open?

Are you getting any errors out when it fails to send?

If I were you, I would remove the UDP Open and Close functions outside of the loops - I would open the connection outside of the loop and then close it at the end otherwise you are trying to reserve ports every time you change a value. You would also need to handle shutdown so the connection gets closed at the end.

[jstamour802]

I suspect it is a problem with my hardware at the moment... after some more testing...

Thanks for the input