Hi Kirsten, Have you used chipscope on your block and checked that it is sending out samples? If not, I would suggest at minimum looking at the status of the m_data and s_data AXI stream buses on AXI wrapper. Here is a guide on how to setup chipscope: https://kb.ettus.com/Debugging_FPGA_images
Jonathon On Sat, Aug 3, 2019 at 1:24 AM Leong, Kirsten - 0551 - MITLL via USRP-users <usrp-users@lists.ettus.com> wrote: > I tried reformatting the xml file based off the uhd_rfnoc_adder.xml file; > however, I still get the same error. I’m not trying to throw any packets > away so I cannot ignore the error. My block is expecting to take in a > complex 32bit floats and output a 32 bit float. > > > > *From: *USRP-users <usrp-users-boun...@lists.ettus.com> on behalf of Lars > Kuger via USRP-users <usrp-users@lists.ettus.com> > *Reply-To: *Lars Kuger <l...@inets.rwth-aachen.de> > *Date: *Friday, August 2, 2019 at 10:14 AM > *To: *"usrp-users@lists.ettus.com" <usrp-users@lists.ettus.com> > *Subject: *Re: [USRP-users] Error 'Timeout on Chan 0' > > > > Hello Kirsten, > > I remember getting the same error message while developing a custom RFNoC > block. I found the problem to be caused by the corresponding xml file which > is located in the grc folder. I am not sure what part of the file exactly > caused the error message (maybe the ordering of the parameters or tags > within the parameters) but I eventually solved it by replacing the file > with the xml file from a working block and modifying that one. > > Best regards, > Lars > > > > On 02.08.19 15:50, Leong, Kirsten - 0551 - MITLL via USRP-users wrote: > > Hello, > > > > I am using a USRP X310 and am using gnuradio companion to test a custom > block. The current diagram flows as follows: File Source->RFNoC > FIFO->custom block->complex to image->frequency sink. However, when I try > to execute, I get the error ‘timeout on chan 0’. My testbench passes all 5 > cases; I can read signals on the inputs and outputs of the noc block and > the flow graph works once I remove my custom block. Where else should I be > looking? > > > > Thanks, > > Kirsten > > > > _______________________________________________ > > USRP-users mailing list > > USRP-users@lists.ettus.com > > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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