UHD Error:
get_token: too few token in reply
then it prints out always the same value, which is not the right time
After this, I make another run, UHD does not says anymore "found Jackson Labs GPS", but "found a generic NMEA GPS device"
Though the gps_time query returns a correct value
Only a power cycle brings the starting string "Found a Jackson Labs GPS"
I have also seen an uncorrect value returned once or twice (I query gps_time or gps_locked 100 times in a row in my code)
I start to wonder if the GPSDO is inserted properly ? (but it's hard to mistake on that)
If the GPSDO is broken ?
Or is it only a SW issue ?
Also, if this issue can not be solved, there should be a way to check if sensor_value_t is valid or not (by adding an isValid field for example ? )
By the way I use Windows7
On 2 August 2011 17:44, Nick Foster
<address@hidden> wrote:
Bastien,
Does gps_time work correctly 100% of the time for you?
--n
On Tue, 2011-08-02 at 17:08 +0000, Bastien Auneau wrote:
> Hi All
>
> On USRP N210, UHD 3.2.1
> GPS does lock, because it gets the right time (not the 01/01/2006 set at
> init)
> using get_mboard_sensors("gps_locked") fails sometimes
>
> 1.
> It may print on console :
>
> UHD Error:
> get_nmea(): unsupported GPS or no GPS detected
>
> while at the start of the code, it always prints :
>
> Found a Jackson Labs GPS
>
> At this pont, I have to reboot the USRP. I have seen this error twice on
> 20 to 25 runs
>
> 2. Or :
>
> UHD Error:
> get_token: too few tokens in reply $GPGGA, [etc... then there are
> more or less args after that, randomly)
> GPS lock status: locked
>
> This second error occurs 1% of the time, but following
> get_mboard_sensors("gps_locked") succeed (no need to restart USRP)
>
> 3. Which leads me to :
> How do you check if a get_mboard_sensors(...) fails or not ?
> Because even when it fails, the value returned seems ok. And there is no
> error field.
> Or should this not happen ?
>
> Thanks and Regards
> Bastien
>
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