Re: [Discuss-gnuradio] Strange output of "0" at the terminal

[Andrew Davis]

"O" means there has been an overflow, some part of your system is not
fast enough to keep up with the incoming data, probably your hard
drive, or you may not have a fast enough CPU to process as the sample
rate you have chosen.

2012/2/22 Wu Ting <address@hidden>:
> The output is “O” (Oh) not “0” (zero).
>
>
>
> I made more tests and feel the problem may be from use of write() to write
> data into files. Anyone had similar problem?
>
>
>
> Wu
>
>
>
> From: address@hidden
> [mailto:address@hidden
> On Behalf Of Wu Ting
> Sent: 2012年2月22日 14:48
> To: address@hidden
> Subject: [Discuss-gnuradio] Strange output of "0" at the terminal
>
>
>
> Hi all,
>
>
>
> I’m now using message_sink and msg_queue to receive data from USRP. I do
> some calculation for all the data in the msg_queue one by one and write some
> of them into a file. Everything seems to be working smoothly. But once in a
> while, a “0” is printed in the terminal. (There is no code to print “0” in
> my program.) I checked the data, and found that every time a “0” is printed,
> some data are lost, and the length of lost data seems to be of hundreds of
> messages.
>
>
>
> There is no other error information, so I’m really confused by this problem.
> Does anyone has a clue of what happened and how should I deal with it?
>
>
>
> Thanks,
>
>
>
> Wu
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>