Hello all,
I have an application where two RFNoC signal generators transmit samples
to two TX radios at full 200MSPS rate.
I need these samples to be contiguously transmitted in time.
It is my understanding that the RFNoC crossbar can handle both streams.
However, after some tests and debugging with ChipScope I have seen that
the AXI wrapper s_axis_data_tready signal goes low for some time at
some point before sample generation has ended. The moment when tready
goes low depends on the packet size.
I cannot see why the TX stream is back-pressuring, so I'm obviously
missing something. Any clarification would be appreciated.
Thanks in advance!
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