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From: | Michael Dickens |
Subject: | Re: [USRP-users] GPIO setup via gnuradio |
Date: | Fri, 17 Apr 2020 14:27:15 -0400 |
The following link (GR documentation) shows some UHD GPIO functionality.https://www.gnuradio.org/doc/doxygen/classgr_1_1uhd_1_1usrp__block.htmlOn Fri, Apr 17, 2020 at 10:27 AM Michael Dickens via USRP-users <address@hidden> 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: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! - MLDOn Fri, Apr 17, 2020 at 9:15 AM Ivan Zahartchuk via USRP-users <address@hidden> 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_______________________________________________
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