Are you sure the calls you need aren’t already available in the gr-UHD wrapper?
Some parts of gr-UHD aren’t visible in GRC based flows but are still in the gr-UHD API, and if you were just using the straight Python programming model you could use them directly. Sent from my iPhone > On Oct 27, 2020, at 12:25 PM, Hodges, Jeff via USRP-users > <[email protected]> wrote: > > > How do I get the device sptr (::uhd::usrp::multi_usrp::sptr) from the > usrp_sink_block sptr? > > > > For example, the following works: > > > basic_block_sptr blk = > global_block_registry.block_lookup(pmt::intern(usrp_alias)); > d_usrp = > boost::dynamic_pointer_cast<gr::uhd::usrp_sink::sptr>(blk); > > But errors here: > > ::uhd::usrp::multi_usrp::sptr d_usrp_dev = > d_usrp->get_device(); > > What happens if I just create another usrp object for the same device in > addition to the one already created by the uhd_sink_block? I'm guessing that > will not work. > > > > My end goal is to be able to create a block that makes direct C++ api calls > to the usrp to tune it between bursts, since the uhd (for unknown reasons) > does not support timed command tuning on a tagged stream in burst mode (as i > mentioned in yesterday's email). > > Jeff > > _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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