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[Discuss-gnuradio] Details on USB buffer

From: Tony
Subject: [Discuss-gnuradio] Details on USB buffer
Date: Thu, 26 Feb 2009 16:05:52 -0800 (PST)

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?

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