[Discuss-gnuradio] Re:"uU" 26

[weizhongshan]

hi,Eric!
I have tested the usrp_siggen.py ,it works well.and I set the interpolate in my 
module to 128,it works too.so it seems my pc can only stand with 2 M speed ,but 
why the C++ program woks too?
thanks a lot<br><br>在2010-05-29 04:44:57，"Eric Blossom" <address@hidden> 写道：
>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
>>