Hello,

I have an application where I’m sending many short bursts to a USRP B210
using uhd::tx_streamer.send() (link below) and I occasionally set the PPS
time to 0 using set_time_last_pps.

Sometimes I set the PPS time to 0 when there’s still a burst in the USRPs
queue.  When I do this the burst is transmitted much later than I want.

Is there a way to clear the queue on the USRP or UHD?  That is, if I send a
TX burst in the distant future can I cancel it before it gets transmitted?
Can I clear everything in the TX queue?

I’ve read on this list that calling the stream destructor will do this, is
that right? I’ve tried this without success.

Thanks!
Devin
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