Hello,
I've been having an issue with the USRP where I've found if I have a continuous waveform segmented over multiple packets, it is difficult to transmit it on the USRP. The scenario is as follows: I am using a USRP x310 with UHD version: [INFO] [UHD] linux; GNU C++ version 4.8.5 20150623 (Red Hat 4.8.5-36); Boost_105800; UHD_3.13.0.3-24-g00019176 Packet 1 has 100 samples. I do a send starting at time 0 with 100 samples. Packet 2 has 50 samples. I do a send starting at time 100 with 50 samples. Packet 2 is marked late and doesn't send properly. Packet 1 has 100 samples. I do a send starting at time 0 with 100 samples. Packet 2 has 50 samples. I do a send starting at time 101 with 50 samples. Packet 2 sends properly, but now I have a sample delay inserted into the middle of my waveform. Packet 1 has 100 samples. I do a send starting at time 0 with 99 samples. Packet 2 has 50 samples. I do a send starting at time 101 with 50 samples. Packet 2 sends properly, but now I have a blank sample inserted into the middle of my waveform. The obvious solution is to reassemble my fragmented packets before making a tx_streamer->send() call. I'm wondering if there is a way to replicate the behavior of a single large transmit request using multiple smaller transmit requests? Thank you, Richard
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