Re: [USRP-users] RFNoC spp rate limitation

2018-03-24 Thread Sebastian Leutner via USRP-users
mmit/d08203f60d3460a170ad8b3550b478113b7c5968>). So I'm not exactly clear what the bus_clk was set to before that, or on the rfnoc-devel branch... But unless I'm misunderstanding, having multiple RFNoC blocks running at a full 200 Msps might saturate the bus? Is that correct? E

Re: [USRP-users] RFNoC spp rate limitation

2018-03-22 Thread Sebastian Leutner via USRP-users
Hi all, when working with RFNoC at 200 MSps on the X310 using 10GbE I experience overruns when using less than 512 samples per packet (spp). A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with the spp stream arg set at the RFNoC Radio block shows the following network utilizatio

Re: [USRP-users] RFNoC spp rate limitation

2018-03-22 Thread Sebastian Leutner via USRP-users
Hi all, when working with RFNoC at 200 MSps on the X310 using 10GbE I experience overruns when using less than 512 samples per packet (spp). A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with the spp stream arg set at the RFNoC Radio block shows the following network utilizatio

[USRP-users] RFNoC spp rate limitation

2018-03-22 Thread Sebastian Leutner via USRP-users
Hi all, when working with RFNoC at 200 MSps on the X310 using 10GbE I experience overruns when using less than 512 samples per packet (spp). A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with the spp stream arg set at the RFNoC Radio block shows the following network utiliza

Re: [USRP-users] RFNoC block timeouts

2018-03-19 Thread Sebastian Leutner via USRP-users
EJ Kreinar wrote: You can find the "timeout on chan 0" message implemented in gr-ettus/lib/rfnoc_block_impl.cc. As you suspected (correctly), it is a harmless output that can be ignored if no data is actually coming from your RFNoC block. It is driven by receiving a timeout from the streamer->

[USRP-users] RFNoC block timeouts

2018-03-15 Thread Sebastian Leutner via USRP-users
Hi all, I have a custom RFNoC block which detects data packets in a stream of I/Q-samples coming from a file source or the RFNoC Radio block. It only outputs samples if it detects a packet, otherwise it does not output anything. This works fine in simulation but when using the synthesized blo