Re: [Discuss-gnuradio] clock synchronization by message passing

[Josh Blum]

On 06/16/2013 10:44 PM, Josh Blum wrote:
> 
> 
> On 06/16/2013 02:13 PM, Adeel Anwar wrote:
>>> so i checked the new grextras wiki it has uhd_control block i guess that
>> can be used for this job.
>> uhd_control block  supports only a subset of usrp-functions (exposed
>> through gr-uhd) e.g. "set_command_time", set/get_gain/freq etc BUT
>> currently it doesn't support "set_time_now()"
>> https://github.com/guruofquality/grextras/blob/master/lib/uhd_control_port.cpp
>>
> 
> I didnt add every possible setting. But I am happy to add more on
> request! I'm gathering that someone would like to make a configuration
> and control block that could perform the synchronization tasks w/ a
> GPSDO or some external clock and time source.
> 

OK, exposed access to time source, clock source, and time registers. Use
it in good health!

https://github.com/guruofquality/grextras/commit/341f351159961acc0bb6e46402e9ed28d618cd64

-josh