[USRP-users] USRP2 + XCVR2450 configuration

Ben Hilburn ben.hilburn at ettus.com
Thu Dec 18 13:52:16 EST 2014


Virag -

Please refer to the USRP manual:
http://files.ettus.com/manual/page_general.html#general_threading

It is not a critical error, but you may be able to improve performance.

Cheers,
Ben

On Tue, Dec 16, 2014 at 3:15 AM, Virag Varga via USRP-users <
usrp-users at lists.ettus.com> wrote:
>
> Hi,
>
> I'm quite new to the SDR world. I started with an USRP2 (r4) +
> XCVR2450 dboard. I tried some examples with gnuradio, but I'm still
> not sure, if everything is setup correctly (mostly it seems I'm only
> getting noise)..
>
> For start, I don't think I should get this output (no sign that my
> daughterboard is recognized correctly) for uhd_usrp_probe (check down
> below).
>
> Do I miss some installation/configuration steps?
>
> Thanks for any help!
> Bests,
> Virag
>
>
>
> $ uhd_usrp_probe
> linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.008.000-release
>
> -- Opening a USRP2/N-Series device...
> -- Current recv frame size: 1472 bytes
> -- Current send frame size: 1472 bytes
>
> UHD Warning:
>     Unable to set the thread priority. Performance may be negatively
> affected.
>     Please see the general application notes in the manual for
> instructions.
>     EnvironmentError: OSError: error in pthread_setschedparam
>   _____________________________________________________
>  /
> |       Device: USRP2 / N-Series Device
> |     _____________________________________________________
> |    /
> |   |       Mboard: USRP2 r4
> |   |   hardware: 1024
> |   |   mac-addr: 00:50:c2:85:39:47
> |   |   ip-addr: 255.255.255.255
> |   |   subnet: 255.255.255.255
> |   |   gateway: 255.255.255.255
> |   |   gpsdo: none
> |   |   serial: 2375
> |   |   FW Version: 12.4
> |   |   FPGA Version: 10.0
> |   |
> |   |   Time sources: none, external, _external_, mimo
> |   |   Clock sources: internal, external, mimo
> |   |   Sensors: mimo_locked, ref_locked
> |   |     _____________________________________________________
> |   |    /
> |   |   |       RX DSP: 0
> |   |   |   Freq range: -50.000 to 50.000 MHz
> |   |     _____________________________________________________
> |   |    /
> |   |   |       RX DSP: 1
> |   |   |   Freq range: -50.000 to 50.000 MHz
> |   |     _____________________________________________________
> |   |    /
> |   |   |       RX Dboard: A
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       RX Frontend: 0
> |   |   |   |   Name: Unknown (0xffff) - 0
> |   |   |   |   Antennas:
> |   |   |   |   Sensors:
> |   |   |   |   Freq range: 0.000 to 0.000 MHz
> |   |   |   |   Gain Elements: None
> |   |   |   |   Connection Type: IQ
> |   |   |   |   Uses LO offset: No
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       RX Codec: A
> |   |   |   |   Name: ltc2284
> |   |   |   |   Gain Elements: None
> |   |     _____________________________________________________
> |   |    /
> |   |   |       TX DSP: 0
> |   |   |   Freq range: -50.000 to 50.000 MHz
> |   |     _____________________________________________________
> |   |    /
> |   |   |       TX Dboard: A
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       TX Frontend: 0
> |   |   |   |   Name: Unknown (0xffff) - 0
> |   |   |   |   Antennas:
> |   |   |   |   Sensors:
> |   |   |   |   Freq range: 0.000 to 0.000 MHz
> |   |   |   |   Gain Elements: None
> |   |   |   |   Connection Type: IQ
> |   |   |   |   Uses LO offset: No
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       TX Codec: A
> |   |   |   |   Name: ad9777
> |   |   |   |   Gain Elements: None
>
> _______________________________________________
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> USRP-users at lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>
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