Dear All,

I would like to have knowledge of the USRP time in my transmitter flow graph. 
In the receiver flow graph this is straight forward because 'rx_time' tag is 
propagated from a USRP source as a tag.

How can I obtain the time_spec from a c++ block in my transmitter flow graph?

"usrp_sink_impl.cc" has the function

    ::uhd::time_spec_t
    usrp_sink_impl::get_time_now(size_t mboard)
    {
      return _dev->get_time_now(mboard);
    }

But how can I call this from outside the usrp_sink block?

Many thanks!

David

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