Re: [Discuss-gnuradio] Details on USB buffer

[Eric Blossom]

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.

Eric