URL:
  <https://savannah.nongnu.org/support/?110506>

                 Summary: TCP Connection with LwIP
                 Project: Savannah Administration
            Submitted by: None
            Submitted on: Wed 09 Jun 2021 06:14:27 AM UTC
                Category: None
                Priority: 5 - Normal
                Severity: 3 - Normal
                  Status: None
             Assigned to: None
        Originator Email: sakskiamaxi.b...@draeger.com
        Operating System: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Hello,

I am trying to implement a TCP client on a XMC4800. This client should be able
to send individual messages to a Server and to receive the response messages.
For the beginning, I worked with the "IOT_EXAMPLE_XMC47" from Infineon and
implemented this example for a XMC4800. This example useses LwIP. Also, I
removed some functions which I don't need for the communication. I have this
source code so far:
see: main.c

I use Wireshark to analyze the network communication between the XMC and my
PC. But the TCP connection always resets and I don't know why. Maybe because
my PC is not working for a host?

I also tried to connect the XMC with Putty (RAW Connection type), but that
doesn't work either. Besides, I do get a ping response form the XMC.

PS: I hope you can open the zip attachment wich includes the project.

Thank you for your help!
Regards,
Maxi



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File Attachments:


-------------------------------------------------------
Date: Wed 09 Jun 2021 06:14:27 AM UTC  Name: Wireshark_analyzis.png  Size:
42KiB   By: None

<http://savannah.nongnu.org/support/download.php?file_id=51528>
-------------------------------------------------------
Date: Wed 09 Jun 2021 06:14:27 AM UTC  Name: main.c  Size: 10KiB   By: None

<http://savannah.nongnu.org/support/download.php?file_id=51529>

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