Hello, OS: Linux Ubuntu 20.04 GRC: 3.8 UHD: 4.0 USRP: X310 with two UBX-160 daughterboards
Attempting to receive and repeat a spectrum with low latency without using RX/TX streamers with RFNoC in GnuRadio. Currently using the default x310 image core. Steps I have taken to do this: Shown that I can receive correct signal with a RX-Radio RFNoC Block ->DDC RFNoC->Rx Streamer. Also shown that I can transmit correct signal via TX Streamer-.>DUC RFNoC->TX-Radio RFNoC Block. However, when attempting RX-Radio RFNoC Block ->DDC RFNoC-> DUC RFNoC->TX-Radio RFNoC Block, there is no signal output and no TX/RX RX2 link lights. Changing the Block Instances to match the existing default x310 image core Static connections made the flow graph run, but again with no lights or output. I found (through this mailing list) relevant material on this, the "Stupid RFNoC Tricks: Loopback" in removing timestamps on received signals. https://corvid.io/2017/04/22/stupid-rfnoc-tricks-loopback/ But, the current UHD build does not have the same filesystem or files (from what I can tell). Looking for guidance or reference in order to build this repeater. Robert
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