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TCP connection with hololens works only in one way
For a while now I'm trying to send data to hololens but nothing works.
I'm using Windows.Networking and I have an UWP application running on my PC.
I based it on this example:
https://docs.microsoft.com/en-us/windows/uwp/networking/sockets
When I try to communicate between two PCs or when I'm sending a message from hololens it gets recieved normally but any attempt to send it to the hololens was unsuccessful.
I have also tried UDP example from this post with the same results - I can recieve a message from hololens but I can't send it:
https://forums.hololens.com/discussion/7980/udp-communication-solved#latest
I have tried using different ports and disabling firewall. Tried updating and resetting hololens. Updating Visual Studio, Unity and HoloToolkit. I tried creating a new project with only networking script to check if something other in my project wasn't interfering.
So if anyone had a similar could you please share what has or hasn't worked for you?
Answers
hey I have the same problem, I want to send data from MATLAB to hololens but the data couldn't be received. Did you find a solution for your problem?
I've only been able to go from hololens -> pc, and not the other way around. Any updates on this?
This listener code runs ... but I didn't send anything ...
Windows.Networking.Sockets.StreamSocketListener listener = new Windows.Networking.Sockets.StreamSocketListener();
listener.ConnectionReceived += SocketListener_ConnectionReceived;
await listener.BindServiceNameAsync("1666");
check out this blog, it outlines all the issues I've encountered when trying to set up successful PC-> HoloLens communication.
@cb_emerge thank you, will do. have you tried connecting via udp by any chance, as opposed to tcp..?
ok ive exhausted all options on udp, really bent over backwards trying to make the externaldevice->hololens work the past two days but no dice. just gonna go the tcp route now *sigh
@cb_emerge thanks so much for your link! - really well explained. FINALLY got it working via TCP.. and it works beautifully! couldnt make udp work for the life of me. gbye udp
How did you get it? please i have no idea