I am trying to run the lwIP echo server application project template from the Xilinx SDK on my PYNQ board. I have followed this tutorial for the. contrib/ports/xilinx – Contains the interface specific implementation || lwip 2 – Contains the stack implementation; lwip_echo_server is an application. Lightweight IP (lwIP) is an open source TCP/IP networking stack for Xilinx® Software Development Kit (SDK) provides lwIP software.

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Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. All forum topics Previous Topic Next Topic. Cannot connect to lwIP echo server on Zynq. If you are using Wlip Below are the links to the source code Git repositories. Noriel Christopher Tiglao on February 26, at The echo server template application will be setup to run on the first AXI Ethernet Subsystem block in our design.

Once I removed this, I ran the application and I am now able to connect: Mustafa Karadayi on July 18, at 8: Use the following settings:.

At this point, your SDK workspace should contain only the hardware description and no applications:. The BSP for lsip project will also have to be modified slightly. There is a version of the project for the ZedBoard and the MicroZed. But then I looked at myself and asked – “am I an engineer or a soy boy?

Once the bitstream is generated, the following window will appear. Have you tried 2 lwip echo server project in dual core. To test that the echo server is actually doing its job and echoing received packets, you will have to install software that allows you xjlinx send and receive arbitrary packets.


Accept as solution if your question was answered. We want to add some code to the application to allow us to select a different port if we choose. This seems to be confirmed by the DHCP timeout in the serial output.

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Is there a specific reason for choosing only one ethernet MAC, deos lwIP support multiport application? It appears that in xemacpsif. Glad it helped xjlinx. We have detected your current browser version is not the latest one.

Running a lwIP Echo Server on a Multi-port Ethernet design | FPGA Developer

To be able to read the output of the echo server application, we need to use a terminal program such as Putty. Sukanya Xilixn on August 24, at Thanks once again for your help – I really appreciate it. Embedded Processor System Design: I have a zybo board and it has a Realtek chip.

Does anybody have any idea what I could be xolinx wrong please? It never really worked, even following the tutorial – which is a monster cover up, mind you.

The IP application in the second…. You will find the modified library files inside the EmbeddedSw directory of the repo. I have also tried using my Ubuntu PC but I get the same problem. Probably the same as the Pynq, do you know what chip it silinx However this thread indicates that it may be. I would imagine that for a development board you’d get something whose components are solid it is and supported it is not by all the tools involved. All Ethernet devices are required to respond to ping requests, so this is a very simple and easy test to perform using your computer.

Now that the application is running successfully, we can test the echo server by sending packets from our PC to the ZedBoard and looking at what gets sent back.


If you did not follow the first part of this tutorialyou may want to open the block diagram and get familiar lwipp the design before continuing.

Running a lwIP Echo Server on a Multi-port Ethernet design

Your email address will not be published. SO,does anybody have any idea what I could be doing wrong please?

But i see that you have solved it. Follow these instructions to ensure that your setup is correct:. Notify me of new posts by email. Soumya on September 19, at 4: In this part of the tutorial we will generate the bitstream, export the hardware description to the SDK and then test the echo server application on our hardware.

The software that I use is called Packet Sender and can be downloaded here. Unfortunately when I come to connect via telnet using Putty, it tells me that the host is unreachable.

Solved: Cannot connect to lwIP echo server on Zynq – Community Forums

I have just tried turning on some of the debug options in the bsp and I am getting repeated warnings. It is interesting that Digilent have the tutorial for the Zybo which makes no mention xlinx this issue.

I think the Xilinx guys are going to support it soon. In the SDK we will be able to generate the echo server example design ldip run it on our hardware. These modifications are specific to using the echo server application on the Ethernet FMC.