Hello Arun, The gpio example is the first place to look for a reference. https://github.com/EttusResearch/uhd/blob/master/host/examples/gpio.cpp
A description of the GPIO header on the B20xmini can be found here http://files.ettus.com/manual/page_usrp_b200.html#b200_hw_ref_ext Regards, Derek On Thu, Aug 30, 2018 at 7:43 PM, Arun kumar Verma via USRP-users < usrp-users@lists.ettus.com> wrote: > Hi > > We brought B205mini recently and we want to use three GPIO to control some > external device which require SPI interface, in the schematics the header > mentioned is J5 for GPIO while website USRP Hardware Driver and USRP > Manual: USRP B2x0 Series > <https://files.ettus.com/manual/page_usrp_b200.html> is mentioning J6 as > GPIO header. Can you please suggest some example source code for GPIO, so > that we can incorporate in our software. > > Arun Verma > > USRP Hardware Driver and USRP Manual: USRP B2x0 Series > <https://files.ettus.com/manual/page_usrp_b200.html> > > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > >
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