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Found 3 results

  1. Vonmuller

    Ethernet UDP echo-server

    A UDP echo-server design uses on-board Ethernet port to create a data-link between FPGA board Nexys 4 DDR and MatLAB. Echo-server is capable of reception and transmission data packets using ARP and UDP/IP protocols. MAC address of FPGA board: 00:18:3e:01:ff:71 IP4 address of FPGA board: 192.168.1.10 Port number of the board, used in the design, is 58210. The echo-server will reply back to any data server, which uses correct IP4 address and Port number of the board. MAC address of the board is made discoverable for the data server via ARP protocol. This echo-server design doesn't use any input or output FIFO's as elesticity buffers,both in- and outgoing data packets are parsed/assembled in parallel with Rx/Tx processes, which allows better resource utilisation at the price of, probably, more complex design architecture. Design is implemented in VHDL using ISE by Xilinx. Below there are the source files for the echo-server projects along with .m file to transmit/receive data using MatLAB. Figure "wireshark_capture" illustrates the data traffic between FPGA board and data server (MatLAB); Figure "TxRx_Error" compares transmitted data against the data received from the board. UDP echo-server manual.7z UDP echo-server.7z
  2. Hi, Currently I have an issue when I connect the Wi-Fire to wireless network using UDP protocol. It will be helpful if is some information about the fuctions availables on the libraries <DEIPcK.h> and <DEWFcK.h>. On this moment my target is to solve the error received from "IsIPStatusAnError(status)". I'm not sure which configurations are necessary to solve the error, the error is attached . This error comes when the following code trys to work. Could you give me information available to use the UDP protocol used on the sketch named "UDPEchoClient .pde"? Code involved in Yellow case RESOLVEENDPOINT: if(deIPcK.resolveEndPoint(szIPServer, portServer, epRemote, &status)) { if(deIPcK.udpSetEndPoint(epRemote, udpClient, portDynamicallyAssign, &status)) { state = WRITE; } } // alway check the status and get out on error if(IsIPStatusAnError(status)) { Serial.print("Unable to resolve endpoint, error: 0x"); Serial.println(status, HEX); state = CLOSE; } break;
  3. BTTroyer

    UDB Multicast

    Hi -- I have a WF32. I can get it connected and do point to point UDP just fine. I need to receive a multicast UDP stream from a PC. I got this working on a WiFi Flyport (openpicus.com) but the PIC was underpowered... Does DNETcK/DWIFIcK support multicast and if so are there examples available?? Thanks Bill