[USRP-users] GPSDO on N210 problem
josh at ettus.com
Mon Apr 15 03:38:31 EDT 2013
On 04/15/2013 12:28 AM, Sam mite wrote:
> I am trying to setup GPS on my N210. The problem is that Detecting internal
> GPSDO returns *"not found"* as shown below. Whereas it also says that *gpsdo:
> internal. *What is wrong ? I am on ubnutu Gnuradio 3.6.3rc0. My UHD
> version is UHD_003.005.000-26-gb65a3924
The gpsdo internal is just an entry in the device's eeprom to tell it
that it should look for the GPSDO. So, I think you are looking at a
communication issue. Double check that the power and serial cables
appear to be plugged in correctly.
> UHD Warning:
> The send buffer could not be resized sufficiently.
> Target sock buff size: 1048576 bytes.
> Actual sock buff size: 1000000 bytes.
> See the transport application notes on buffer resizing.
> Please run: sudo sysctl -w net.core.wmem_max=1048576
> -- Detecting internal GPSDO.... not found
> | Device: USRP2 / N-Series Device
> | _____________________________________________________
> | /
> | | Mboard: N210r4
> | | hardware: 2577
> | | mac-addr: a0:36:fa:25:33:e9
> | | ip-addr: 192.168.10.2
> | | subnet: 255.255.255.255
> | | gateway: 255.255.255.255
> | | *gpsdo: internal*
> | | serial: EER13V9UP
> | | name: sdr_2
> | | FW Version: 12.3
> | | FPGA Version: 10.0
> | |
> | | Time sources: none, external, _external_, mimo
> | | Clock sources: internal, external, mimo
> | | Sensors: mimo_locked, ref_locked
> | | _____________________________________________________
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