Thank you Eric, Josh and Marcus, I had edited it to print "" nothing. Now, I am shunting it to /dev/null.
My main reason to ask this question was exactly was Marcus pointed out. I am seeing lots and lots of "S". When I switch channels to 7 or 3, I do see fewer compared to 6 or 11. However, I believe something is wrong here. here is my bbn_80211_rx.py command execution: "sudo ./bbn_80211b_rx-B.py -f 2.442G -b" this should mean using barker code and default decimation rate (of 4) and samples per baud (25). I am worried now? Could it be just that there are lots of APs broadcasting few too many beacons? Thank you once again. On Thu, Nov 11, 2010 at 5:47 PM, Eric Blossom <[email protected]> wrote: > On Thu, Nov 11, 2010 at 04:57:56PM -0500, Bishal Thapa wrote: > > Hello, > > I am using USRP2 version of BBN code to look at AP beacons as seen by > the > > USRP2 host. There is lots of "S" printing going on, which keeps me from > > reading AP beacon information from STDOUT (unless I save the output to a > > file, which I prefer not to). Is there anyway to enforce the printing of > "S" > > character to go away. Here is my node's specification: > > > > > > - BBN Code Location: > > https://www.cgran.org/cgran/projects/bbn_80211/branches/usrp2_version > > - CPU: Intel(R) Core(TM) 2 CPU E8400 @ 3GHz > > - Memory: 4GB > > - Hard Disk: 1TB > > > > My ubuntu version = 10.04 > > GNuradio version = 3.3.0 > > > > > > Thank you in advance for your help. > > One of the joys of Free Software is you have the freedom to study how > the program works, and change it to make it do what you wish. We > provide the source code to enable this freedom. > > The "S" is written out on line 454 of usrp2_impl.cc > > FWIW, it's written to stderr, not stdout, so you could just shunt > stderr into /dev/null: > > $ my-program 2>/dev/null > > Eric >
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