[Discuss-gnuradio] "uU" 26

[Eric Blossom]

On Fri, May 28, 2010 at 10:33:56AM +0800, weizhongshan wrote:
> thanks Eric
> I am sorry ,I will not do that again .but would you please help me figure out 
> this problem. as I mentioned the USB speed is not a problem.and i have 
> another C++ problem test_usrp ,it's a one channel receiver , the decim is set 
> to 8.and it does work without any trouble .so i think my pc can keep up with 
> the speed<br><br>在2010-05-28 02:35:37，"Eric Blossom" <address@hidden> 写道：
> >On Thu, May 27, 2010 at 05:29:56PM +0800, weizhongshan wrote:
> >> hello everyone ,I want to use the fm_tx_2_daughters.py as a template to 
> >> realize my own module ,so  I copy it to my own folder.
> >> but when I set the interpolate to 64 and test the copy module ,"uU" 
> >> appears.then I run the usrp_benchmark_usb.py,the result shows "Max 
> >> USB/USRP throughput = 32MB/sec".I wonder the "uU" appears
> >>    thanks forward<br><br>在2010-05-27 00:00:address@hidden 写道：

Does usrp_siggen.py work for you?

Eric


> >Perhaps your machine can't keep up?
> >uU is "USRP Underrun".  You failed to send it samples fast enough.
> >
> >[Also, please don't top-post in general, and never top post on top of
> >the digest.  Pick a relevant subject, trim all unnecessary text from
> >anything you're replying to.  If you're starting a new thread, don't
> >start by replying to an existing (non-relevant) thread.
> >
> >See also:
> >
> >  http://gnuradio.org/redmine/wiki/gnuradio/ReportingErrors
> >
> >Eric
>