[Discuss-gnuradio] Import Error with usrp2

2009-02-22 Thread Yc Park
Last week, I succeed to get a response from my usrp2. After that, however, when I try usrp2_fft.py, or anything *.py related with usrp2, I get the Import Error with usrp2 error. (But when I try something *.py with usrp, it shows no error with usrp library though it fails to work since no usrp is

[Discuss-gnuradio] USRP2 DBSRX testing

2009-02-22 Thread RH200
We have got a new USRP2 and TVRX and DBSRX recievers. Though the system seems to work when the TVRX daughter board is installed using the USRP2 fft script, it does not seem to work with the DBSRX board installed. That is there seems to be just noise coming in regardless of what frequency or

Re: [Discuss-gnuradio] bbn_80211b_tap.py with tcpdump or wireshark

2009-02-22 Thread Eric Blossom
On Sat, Feb 21, 2009 at 09:00:34PM -0800, Jane Chen wrote: Hi all,   I ran the bbn_80211b_tap.py.  I used both tcpdump and wireshark to try to  capture the packets. However, it doesn't work.   My steps: 1. ./bbn_80211b_tap.py. 2.ifconfig gr0 192.168.111.2 3. tcpdump -i gr0 -e -X   I

Re: [Discuss-gnuradio] USRP2 DBSRX testing

2009-02-22 Thread Eric Blossom
On Sun, Feb 22, 2009 at 06:16:28AM -0800, RH200 wrote: We have got a new USRP2 and TVRX and DBSRX recievers. Though the system seems to work when the TVRX daughter board is installed using the USRP2 fft script, it does not seem to work with the DBSRX board installed. That is there seems

[Discuss-gnuradio] Problem to listen to FM

2009-02-22 Thread jingx kwan
Hello, It isn't create any sound from the usrp_wfm_rcv.py command when I set to listen to the Frequency 91.5. It is running under Ubuntus 8.04 and Dell Latitude D610 notebook. I doubt that the notebook sound card doesn't support the below command line. I don't know why I can't listen to the FM.

Re: [Discuss-gnuradio] USRP2 DBSRX testing

2009-02-22 Thread Bruce Stansby
My apologies, newbie hoping it was a common newbie problem, details as follows. Hardware: Twin Xeon quadcore X5355 processors. Supermicro X7DBE motherboard 8 GB of ram Software: Ubuntu 8.04 Kernal 2.6.2-16-generic I didn't install the software my supervisor

Re: [Discuss-gnuradio] bbn_80211b_tap.py with tcpdump or wireshark

2009-02-22 Thread Jane Chen
Thank you for your reply! I can see packets through bbn_80211b_rx.py.  It works well. OS: fedora 9 Hardware: USRP and RFX2400   Finally, I got something after I ran bbn_80211b_tap.py as follows: (But I don't think it decoded correctly.) # tcpdump -i gr0 -e -X tcpdump: verbose output

[Discuss-gnuradio] New implementation for fusb_linux without allocs/frees

2009-02-22 Thread Stefan Bruens
Hi, attached is a new version for fusb_linux.cc. The current implementation uses three std::list lists for free, pending and completed urbs, so submitting a single urb causes three allocs and three frees (pushing and popping of the list). The new implementation uses a circular list for the