Hello,
I’m trying to command my usrp B200mini via its command port. I used the
documentation from here:
https://www.gnuradio.org/doc/doxygen/page_uhd.html
here is my command:
pmt::pmt_t command = pmt::make_dict();
command = pmt::dict_add(command, pmt::mp("gain"), pmt::mp(gain));
// Specify gain
command = pmt::dict_add(command, pmt::mp("antenna"), pmt::mp("TX/RX"));
// Switch antenna
command = pmt::dict_add(command, pmt::mp("chan"), pmt::mp(0));
// Specify channel
message_port_pub(pmt::mp("cmd") , command);
I connect my block to a debug message block, and I received this
************MESSAGE DEBUG PRINT***************
((chan. 0) (antenna, TX/RX) (gain, 63))
But when I connect to the “UHD: USRP sink” I get a segmentation fault… ☹
I have tried different command always the same problem.
Can someone show me an example working with tis command?
I am quite deseparate..
Ubuntu 16.04
Gnuradio 3.7.12
UHD driver UHD_3.11
Thank you for your help
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