Hi, Martin! I tried taking a peek at how the usrp sink might handle a preceding usrp source (for inspiration). Does it (and the way you described) declare a usrp device and do some kind of shallow copy with the get_device() method?
On Mon, Jun 6, 2016 at 5:54 PM, Martin Braun <[email protected]> wrote: > Nah, you can just pass in the existing one into your module and grab a > reference to the multi_usrp from there. > > M > > On 06/03/2016 12:57 PM, Santos Campos wrote: > > Hello again again! > > So I'm trying to write an OOT module to control the gpio from GRC. > > Would I have to create a usrp device in the module's code if I am using > > a usrp source? > > My gut says to probably not re-declare it since it's already in use, but > > I'm not sure how I could bring it into scope if I don't have to > > re-declare it. > > I tried poking around for the usrp sink code to see what it did but > > couldn't find it. > > > > On Wed, Jun 1, 2016 at 11:45 AM, Santos Campos <[email protected] > > <mailto:[email protected]>> wrote: > > > > Worked like a charm! Thanks for the helpful comments! > > Like I said originally, I'm trying to use the gpio to remotely > > switch between 2 antennas. > > Currently trying to familiarize myself with boost and the uhd api. > > Will undoubtedly be back to the listserv with questions on those. > > > > > > On Wed, Jun 1, 2016 at 11:23 AM, Marcus D. Leech <[email protected] > > <mailto:[email protected]>> wrote: > > > > On 06/01/2016 10:23 AM, Santos Campos wrote: > >> Hello again, all! I've finally come back to this after a while. > >> I'm trying to get the example code to compile but having some > >> trouble. Does anyone have any experience with using the uhd > >> gpio api? > >> I tried using this to compile: > >> > >> $ gcc -I/usr/include/boost > >> -I/home/santosec/uhd/host/include/uhd gpio.cpp -o gpio > >> > >> but I got a whole mess of compiler errors. > >> > >> > > And, to follow-up with details: > > > > http://files.ettus.com/manual/page_build_guide.html > > > > Also: > > > > AN-445 and AN-204 from here: > > > > https://kb.ettus.com/Application_Notes > > > > > >> On Wed, May 4, 2016 at 11:25 AM, Marcus D. Leech > >> <[email protected] <mailto:[email protected]>> wrote: > >> > >> On 05/04/2016 11:18 AM, Santos Campos wrote: > >>> Hello! I am curious if it is possible to use a pin or > >>> something on either the B200 or B200 mini to send a > >>> control signal. > >>> > >>> We were hoping to be able to switch between 2 antennas if > >>> the board received some signal. It looks like there could > >>> be some available pins, but we were unsure if they would > >>> be able to fulfill our purpose. If not, any ideas around > >>> this issue would be welcome! > >>> > >>> Any help would be much appreciated! > >>> > >>> > >>> _______________________________________________ > >>> Discuss-gnuradio mailing list > >>> [email protected] <mailto:[email protected]> > >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >> The API for the B2xx GPIO is the same as for X3xx. > >> > >> There's example code: > >> > >> .../uhd/examples/gpio.cpp > >> > >> > >> > >> _______________________________________________ > >> Discuss-gnuradio mailing list > >> [email protected] <mailto:[email protected]> > >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >> > >> > > > > > > > > > > > > _______________________________________________ > > Discuss-gnuradio mailing list > > [email protected] > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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