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Matt E. wrote:
external source - which in this case is a function generator with a
10MHz sine with 2V P-P.Is it possible some of the hardware on my USRP2’s isn’t working?
Unlikely, since it was tested before shipping.
I will send you code to run in a separate email.
Matt
Ok - now that I’ve discovered I had some bad cabling - specifically a
bad T-splitter: the side going to my O-scope worked, the side going to
my USRP2’s did not - which I suppose can be chalked up to user error.
I am now able to synchronize the clocks - both with the firmware/fpga
code you sent, and the version I had built locally.
However - once I start running my code on the host PC, the clock loses
sync. I have to power down, and re-power-up the USRP2 for the clock to
lock onto my external source again. This is with the firmware/fpga from
svn r10441, and my host code. I’ve tried calling ->config_mimo and
- ->sync_to_pps() as soon as I create my USRP2 objects, but that didn’t
seem to help.
Doug
Doug G.
Research Assistant
Communications and Signal Processing Lab
Oklahoma State University
http://cspl.okstate.edu
[email protected]
[email protected]
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