The following link (GR documentation) shows some UHD GPIO functionality.
https://www.gnuradio.org/doc/doxygen/classgr_1_1uhd_1_1usrp__block.html

On Fri, Apr 17, 2020 at 10:27 AM Michael Dickens via USRP-users <
usrp-users@lists.ettus.com> wrote:

> Hi Ivan - I'm assuming you mean configure and control a USRP's GPIO via
> UHD in GNU Radio?
>
> In theory this should be possible, at least in C++ and of course it
> requires that the specific USRP have GPIO ...
>
> I'm not sure if there's a Python GPIO API as of UHD 3.15, but if there is
> then that method should work about the same as the C++ method.
>
> You'd have to get access to the instantiated USRP object, then you can use
> that object to issue GPIO related calls. See these pages for more info
> about GPIO in UHD:
>
> < https://files.ettus.com/manual/page_gpio_api.html >
>
> <
> https://kb.ettus.com/Synchronizing_USRP_Events_Using_Timed_Commands_in_UHD#Example:_Using_Timed_Commands_to_Control_GPIO
>  >
>
> < https://github.com/EttusResearch/uhd/blob/master/host/examples/gpio.cpp
>  >
>
> I can't think of a current GNU Radio block that handles UHD USRP GPIO. If
> you look around & can't find one, then you'd need to create a custom GNU
> Radio block to handle this. You would pass your new block the USRP object,
> which you'd then use for the GPIO calls ... using Python or C++ depending
> on which API is available for your specific UHD.
>
> Maybe there's another way that I don't know of? If so hopefully others
> will add to the discussion!
>
> Hope this is useful! - MLD
>
> On Fri, Apr 17, 2020 at 9:15 AM Ivan Zahartchuk via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> Hello. Please tell me if it is possible to configure GPIO using gnuradio.
>> I want to use RFNOC blocks and switch an external device using GPIO
>> _______________________________________________
>> USRP-users mailing list
>> USRP-users@lists.ettus.com
>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
> _______________________________________________
> USRP-users mailing list
> USRP-users@lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>
_______________________________________________
USRP-users mailing list
USRP-users@lists.ettus.com
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

Reply via email to