Hello dear friends, i am a new usrp user, i am starting to work with uhd
package but currently  haven't any SRD device, and i want to create or find
some EMULATOR device.
I am copied device in /uh/lib/usrp/ based on usrp2 device, all i want to do
now is to simulate serial device an instead of RX and TX to use reading an
writing to simple file.
no i am stuck on line in
/lib/transport/super_recv_packet_handler.hpp line with

            buff = _props[index].get_buff(timeout);
            if (buff.get() == nullptr)
                return PACKET_TIMEOUT_ERROR;

i guess that this line trying to get RX buffer from somewhere, if buffer is
empty will return timeout error,
how and what i can to do in this line to read from file instead of buffer?

Thanks for any help
Regards,Alexey
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