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Re: [Discuss-gnuradio] Details on USB buffer

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Details on USB buffer
Date: Fri, 27 Feb 2009 00:27:28 -0800
User-agent: Mutt/1.5.18 (2008-05-17)

On Thu, Feb 26, 2009 at 04:05:52PM -0800, Tony wrote:
> The USRP C++ example program uses this code to move USRP USB data into a 
> buffer:
>       urx->read(&buf, bufsize, &overrun); 
> If this line is called many times in a short period of time will the
> buffer have some of the data leftover from previous read(s)?  Can I
> assume that the OS will not return the buffer until the next n bytes
> have been received?

It doesn't lose or throw any data away.


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