Hi, I've been having some difficulty getting reliable data flow from my USRP X310 with a GRC flowgraph, so I'm trying out writing my system in C++ with the UHD driver API. My first step has been to retrieve samples from the X310, forward them to a UDP port and then pick them up with a GRC Socket PDU component and then plot them. The C++ programme, so far, follows Ettus's example rx_samples_to_udp almost exactly and uses the std::complex<float> data type.
When the data enters the running flowgraph from the UDP transport, I get this error: thread[thread-per-block[1]: <block freq_sink_c (1)>]: freq_sink_c: unknown data type of samples; must be complex. Can anyone offer insight into why this should occur? Many thanks, -- Jack White white.n.j...@googlemail.com 07875 813 745
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