Hi all, I'm using a USRP E320 with UHD 4.0 and GNURadio 3.8 for receiving samples through an RX RFNoC Radio block and performing some processing in a custom RFNoC block. I have created my block using rfnocmodtool, modifying the Verilog and yml files for my custom block. I left the cpp and hpp files as default, but I copied them to the UHD install path to see the name of my block with uhd_usrp_probe. I have tested satisfactorily my custom block with a gnuradio graph like this:
Host block => rfnoc tx streamer => custom RFNoC block => rfnoc rx streamer => Host block I have also tested it for transmission through the rfnoc tx radio, and works fine: Host block => rfnoc tx streamer => custom RFNoC block => RFNoC DUC=> RFNoC TX Radio But when I try to receive from the radio with the following graph, rx led does not light up and gnuradio give time out: RFNoC RX Radio => RFNoC DDC => custom RFNoC block => rfnoc rx streamer =>Host block If I remove my custom block from the last graph, I can receive samples and the led is on. It seems like the custom block is blocking somehow the samples. I tried with different sampling rates and spp values for the radio but nothing works. Any help on this will be appreciated. Kind Regards, Maria
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