Hello, I'm having some trouble with the UHD API. I'm trying to build a simple receiver code by following the examples in the 'rx_samples_to_file' and 'rx_timed_samples'. When I'm using the rx_samples_to_file example and try to set the gain settings through the command line, (/rx_samples_to_file --freq 98e6 --rate 5e6 --gain 20 --channels 0,1 --duration 10 usrp_samples.dat).
I get an error saying " RX channel 18446744073709551615 out of range for configured RX frontends". Basically I want to be able to use both received channels simultaneously and set the gain for both, like you can in GNU Radio Companion. If I don't set the gain then it runs as expected. I've tried adding more parameters such as 'ant' and 'subdev' but it doesn't seem to work. Thank you
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