Hi,I finally had to go through the GPIO thing for a project where I need access to some of the Daughterboard GPIOs on an X310 from a custom RFNoC block. The application also includes using a spare bit of the data stream to send the GPIO state to the host along the regular stream of samples.
Since there were quite a few requests on the mailing list in this regard, I pushed the changes I had to make to UHD along with a description of the actions I took in my custom RFNoC block to my GitHub account.
You can find it here: https://github.com/eltos/uhd/pull/1I introduced a special control register to take control over certain pins from within my RFNoC block while leaving the other pins under control of the default UHD API or ATR.
Best Philipp *From:* yangamelia2...@gmail.com *Sent:* Tuesday, 4 July 2023 at 04:23 *To:* usrp-users@lists.ettus.com *Subject:* [USRP-users] Control GPIO pins in a custom RFNoC block
Hello.I want to control GPIO pins in a custom RFNoC block to send a stable GPlO trigger output (X310+UHD4.4 + Ubuntu 18.04). But I have no idea how to implement this because l didn't find the GPIO interface in the RFNoC specification.Also I don't want to use the |rfnoc.radio_control.set_gpio_attr()| command. Due to the host's uncertain delay, the output triggering interval may differ.I really hope someone can help me and give me some hints Amelia _______________________________________________ USRP-users mailing list --usrp-users@lists.ettus.com To unsubscribe send an email tousrp-users-le...@lists.ettus.com
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