On 2021-09-10 6:55 p.m., msfu wrote:
what does a command look like to set clock and time_source to external?
Setting the clock configuration is something that every application that
uses a USRP has to do
as part of establishing a session with the USRP device.
i don*t really know how to handle API Calls.
So, you're not really a software developer, but are using some
*APPLICATION* that happens
to use USRPs? What is the application? There are hundreds and
hundreds of SDR-using
applications out in the field that use USRPs and other SDRs. We
can't possibly tell you
how to use and configure each of those.
That *application* would need to provide a way to configure the clock
and 1PPS sources when
it starts a session with the device.
I am trying to set the external gpsdo with 10MHz and 1PPS as time and
clock source for my GPS because its far more exactly so far as i know..
Please share with us the output of:
uhd_usrp_probe --args type=b200
do i really have to disconnect the internal gpsdo? can't i even change
the source on software base?
Yes, like I said, the 10MHz line is shared, and there's no way to have
the hardware do the right thing
if you have an internal GPSDO and want to use an external clock. If
you have an *internal* GPSDO, there's
ZERO need to use an external one unless you need to share 1PPS and
10MHz clock among multiple
devices. It doesn't sound like you need that. The output of
uhd_usrp_probe will tell us some things, like
whether you actually have an on-board GPSDO or not.
thank you
thanks in advance
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