topic Re: TCP Client in Kinetis Microcontrollers

TCP Client

jill1 — Wed, 23 Jun 2021 07:55:11 GMT

hello,

I'm trying to implement a client code using netconn. It's working but I can't use the same port twice. When I compile the code for the first time the connection works fine. But the second I get retransmissions. I think I have to close/free the port from my server (linux netcat server) somehow. I already close, disconnect and delete my netconn socket.

Thanks for your help.

Jill

Re: TCP Client

danielchen — Wed, 30 Jun 2021 16:03:40 GMT

Hi Jill:

Could you please let me know how to reproduce your issue on my side? Your hardware and software, or a simple project for me to reproduce it? Thanks

Regards

Daniel

Re: TCP Client

danielchen — Tue, 09 Nov 2021 07:19:46 GMT

Because there's an active TCP connection on that port. The client and server are still tring to gracefully close the connection.

I tried on my side with force-close the connection with "netconn_close" + "netconn_delete", I can get the right result.

Regards

Daniel