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LWIP Echo Server on a MicroZed board

Former Member

Hi Folks,

I am trying to run the LWIP echo server on my MicroZed development board.  I am using the example project that came with the software.  It is unmodified except that I changed the ip address and port.  I compiled, downloaded and ran the code.  The console output appears to indicate that it is running correctly but, when I send TCP packets to it, they do not echo back. 

I suspect that the code is good but that I may not be using the board correctly.  I can set the jumpers to run as linux from the QSPI device.  That seems to work as a linux device but I don't know how to run my code from there.  I can also set the jumpers to use JTAG.  When I do that, I can download and run programs but they do not seem to access the ethernet interface. 

How can I run from JTAG and use the ethernet interface for my applications at the same time?  Also, when the application is running correctly, how can I set it up to be non-volatile so that it will not need to be downloaded?

Thank you and best regards, MRL

  • 0

    Could you give us a little more information.

     

    What example project are you referring to? Where did you get/download it? Does it target the MicroZed board?

     

    Are you trying to run an application under Linux or a 'bare metal' standalone application?

     

    What version of the Xilinx tools are you using? What does the network connection between your MicroZed board and your host PC look like?

     

    -Gary

  • 0

    Sorry for asking the obvious, but when you establish a connection to the device with the changed IP address and port, are you using telnet or ssh, and are you correctly specifying the new port on the connection?  Do you see the connection established correctly in the console, and then the the echo server does not respond?   If so, have you tried using the new IP address but leaving port 7 unchanged?

    Ron