Update to the latest version of UHD and corresponding firmware.
On Mon, 2 Apr 2012 22:37:40 +1000, 魏俊明 wrote:
> Hi,
>
> I want to
use GPSDO in my application. Since there is no GPS antenna with
GPSDO-kit, I bought a 'SMA male straight GPS antenna'. Everything went
well before I connect the GPS antenna to the GPSDO. For example, I can
receive GPS time using usrp->get_mboard_sensor("gps_time"). Other uhd
applications also work well.
>
> To lock to the satellite and update
the GPS time, I connected the GPS antenna to GPSDO. However, I got some
weird errors. I even got the same errors when I run 'uhd_usrp_probe'.
>
> ~$ uhd_usrp_probe
> linux; GNU C++ version 4.4.5; Boost_104200;
UHD_003.003.000-d5d448e
>
> -- Opening a USRP2/N-Series device...
>
-- Current recv frame size: 1472 bytes
> -- Current send frame size:
1472 bytes
> -- Found a Jackson Labs GPS
> ..
> UHD Warning:
>
get_time: bad lexical cast: source type value could not be interpreted
as target
>
> UHD Warning:
> get_time: bad lexical cast: source type
value could not be interpreted as target
>
> UHD Warning:
> get_time:
bad lexical cast: source type value could not be interpreted as target
>
> Error: ValueError: Timeout after no valid message found
>
> Does
anyone know how to fix it? I am using GPSDO+USRPN210+WBX on Ubuntu
10.04.
>
> Thanks in advance.
>
> Regards,
>
> Jamie
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