[Discuss-gnuradio] bug fix for GPSDO discovery and querying "gps_time"

[Bastien Auneau]

Hi

I have experienced some issues regarding querying GPS time (get_mboard_sensor("gps_time"))

and about GPSDO discovery stability

For more details, see previous posts :

http://lists.gnu.org/archive/html/discuss-gnuradio/2011-08/msg00111.html

http://lists.gnu.org/archive/html/discuss-gnuradio/2011-08/msg00090.html

Anyway, I made 2 little fixes to gps_ctrl.cpp

I attached the new version to this email

It consist of :

1. waiting after sending string to GPSDO, while discovering GPSDO devices (line 54)

    //wait for _send(...) to return

    sleep(milliseconds(FIREFLY_STUPID_DELAY_MS));

2. flushing NMEA data from previous sentences (line 159)

        //flush data to avoid reading outdated value (because NMEA string generated every second)

while (_recv() != ""){

 sleep(milliseconds(10));

}

I found these fixes to be stable on my setup

How can I get it merged into the main branch ?

Also Nick, I tried to play around with FIREFLY_STUPID_DELAY_MS first, but this did not avoid the error I mentioned earlier

(I assume this is what you were talking about in http://lists.gnu.org/archive/html/discuss-gnuradio/2011-08/msg00073.html)

Regards

Bastien

gps_ctrl.cpp
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