Hi Michael Have you tested your hardware setup using CASPER tutorial 2?
Regards Andrew On Wed, Feb 17, 2016 at 5:40 PM, Michael D'Cruze < michael.dcr...@postgrad.manchester.ac.uk> wrote: > Dear all, > > > > I’m having a little trouble getting the 10GbE data output working > correctly. I have a spectrometer design which feeds the output of (for the > moment) a single vacc into the spead_pack block, which then outputs into > the 10GbE block. > > > > I can see from the mailing list that I’m not the first person to run into > problems getting this working ;-) > > > > My efforts thus far have focussed on implementing various gates and > counters for hardware diagnostic purposes (screenshots below). I have a > script which reads counters connected to the spead_pack overflow port, and > the 10GbE tx_full, tx_status, linkup, and tx_overflow ports. Using my > current setup I can confirm that the tx_full and overflow ports read 0 at > all times, and the status and linkup ports read 1 at all times. I have > “gated” (using registers enabled using a software register) the data_in, > valid, and eof input ports on the 10GbE block. My script currently > configures the 10GbE core with a fabric port and IP, and dest port and IP > before anything else. The tap is started immediately following this. A > total of 12s sleep time has been written in before a final reset pulse is > sent to the 10GbE block and finally the data_in, data_valid, and eof gates > are opened. > > > > All status indicators show that the 10GbE core is not overflowing and > packets should be coming out, however Wireshark shows nothing apart from > basic “handshake” packets. > > > > FYI: My spead_pack block is configured for a packet length of 1024 and the > eof logic is working correctly (pulses on the last valid cycle) > > > > Model screenshot: https://dl.dropboxusercontent.com/u/38103354/Capture.PNG > > Scope1 (spead_pack output): > https://dl.dropboxusercontent.com/u/38103354/Capture2.PNG. The top panel > is the data, the second panel the valid signal, the third panel the eof > pulse, and the fourth panel the spead_overflow signal. > > > > Grateful for any advice/ideas/suggestions, > > > > BW > Michael > > > > >
