Regarding UDP Rx. custom map FPGA for PC

Dear Sir.

We are not able to receive the data in LabVIEW which is captured in WireShark. We pass the FPGA card data to PC. Here we use the UDP protocol.

We follow the procedure below to send and receive data :

  1. Side map FPGA:

    1. We get the PC ARP request.
    2. Then, we give the answer ARP for PC.
    3. Then, we receive a PC UDP packet.
    4. After that, we send a UDP packet to PC.

We monitor all frames with WireShark Analyzer.

Let me know the solution and fill in the gap.

Thank you best regards &,.

Chick S

The only thing I see is I think you mixed up of your ports. Looking at your OCAP paper, it seems that the FPGA (10.1.8.121) sends to the destination port 1234, but your VI of receiver UDP listening on port 1200. However, if you change the receiver port on the VI of UDP Rx, you get an error: I don't know if you will be allowed to open the same port twice (once in the TX, once in the RX). If this is the case, you must move the two functions in the same VI so that they use the same refnum UDP.

Tags: NI Software

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