Hello, I am revisiting this issue again in hopes of someone with more familiarity seeing it this time. To reiterate my problem, I am trying to get the GPIO pins controlled by the ATR tied to transmitting and receiving on either channel A or channel B on the USRP B210. Currently I only have it working on channel A. I have tried all of the functions related to the banks and sources and can not find an option which allows me to do this. When trying to run these to change the sources, or even running the get_gpio_srcs, it results in an error message. I feel like I am missing something with either the sources or banks but I can not figure out what. Any help is appreciated, thanks.
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