Re: [Discuss-gnuradio] test_usrp_inband_rx and setting frequency

[George Nychis]

Axel Rengstorf wrote:
> Hi,
>
> i am trying to change the frequency in the test_usrp_inband_rx  of the the 
> apps-inband directory of the svn.
> So i added to test_usrp_inband_rx.cc the lines
>
> long myfreq;
> pmt_dict_set(usrp_dict,
>                       pmt_intern("rf-freq"), pmt_from_long(myfreq) );
>
> before 
>   define_component("server", "usrp_server", usrp_dict);
>
> in the constructor.
>
> if i set myfreq=44000001 test_usrp_inband_rx fails to connect to the usrp 
> (failed to open usrp:(() #f)status = #f)
> but not  with myfreq = 44000000 which is 44mhz although i got a RFX1800 
> daughterboard
> which should not work with frequencies lower than 1.8Ghz?
>
> Is myfreq to be meant in Hz ?
>
> Am i missing something or is there maybe something broken in the usrp_server?

The inband signaling work only supports the BasicTX/RX daughterboards. 
It's pending on C++ daughterboard support.

- George