Friends - On Thu, Mar 30, 2006 at 01:08:24PM -0800, Eric Blossom wrote: > On Thu, Mar 30, 2006 at 12:11:01PM -0800, John Windish wrote: > > I think I have found a bug in usrp_rx_cfile.py... [chop], it > > looks to me like usrp_rx_cfile.py begins to capture data BEFORE the > > new parameters for the capture are set-up. > > I've heard similar reports in the past. > > The problem won't be in usrp_rx_cfile. It'll be somewhere in the > usrp_standard / fusb_linux / FX2 firmware / FPGA code. There's > probably some buffer that's not flushed when the USRP is closed or > opened.
I ran into this in my work, that is derived from USRP. Resetting n-1 buffers isn't good enough. :-p You have to reset the FPGA buffer, the Cypress FX buffer, and the host USB stack. My model code is at http://recycle.lbl.gov/~ldoolitt/xguff.html > For a work-around, I suggest you drop the first 1M samples. I did this for a while, and got tired of it. - Larry _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
