Re: [Discuss-gnuradio] Purpose of extra two bits sent to FX2 chip with data samples

2009-02-01 Thread Paul Creekmore
Eric Blossom wrote: On Sun, Feb 01, 2009 at 12:30:58AM -0500, Paul Creekmore wrote: The FPGA on USRP1 sends an extra two bits of data with each 16-bit word (to the FX2 chip). If I'm not mistaken, the first bit is set when accompanying a sample from rx channel 0, and the second bit is set

[Discuss-gnuradio] Ring-buffer allocation

2009-02-01 Thread Marcus D. Leech
Eric, et al: How does the ring-buffer allocation work in Gnu Radio? For example, if I'm shuffling vectors around--let's say 1600 complex items per vector, how many of these vector-sized "items" are allocated in a ring buffer between a producer and a consumer? How much room is there for sca

Re: [Discuss-gnuradio] New version of swig

2009-02-01 Thread Philip Balister
On Sun, Feb 1, 2009 at 12:49 PM, Michael Dickens wrote: > On Feb 1, 2009, at 8:22 AM, Philip Balister wrote: >> >> "SWIG-1.3.38 has been released. It contains an output directory >> regression fix and other minor bug fixes." >> >> I have a memory of someone having an issue with swig recently, was

[Discuss-gnuradio] RFX1200 RX Tuning problem

2009-02-01 Thread Pascal
I have an new USRP (sn3361 tested on 12-Mar-2008) and a RFX1200 (which in fact is a factory modified RFX2400 board) which I bought about two years ago but only until now I'm playing with. It is recognized as Flex 1200 Tx MIMO B (and of course Flex 1200 Rx MIMO B) and the frequency range is (11500

Re: [Discuss-gnuradio] GNU Radio 3.2 Release Candidate 0 posted to gnuradio.org

2009-02-01 Thread Eric Blossom
On Sun, Feb 01, 2009 at 11:59:11AM -0700, Michael Gray wrote: > Built and tested with Ubuntu 8.04 LTS Server version. All stock > packages with the exception of boost_1_37_0 that was built and installed > first. Built with all except 5 components as shown below. Tested with > USRP1 hardware. > >

Re: [Discuss-gnuradio] GNU Radio 3.2 Release Candidate 0 posted to gnuradio.org

2009-02-01 Thread Michael Gray
Built and tested with Ubuntu 8.04 LTS Server version. All stock packages with the exception of boost_1_37_0 that was built and installed first. Built with all except 5 components as shown below. Tested with USRP1 hardware. Strong work! ***

[Discuss-gnuradio] brief scheduled downtime for gnuradio.org

2009-02-01 Thread Eric Blossom
The gnuradio.org server will be down for about 15 minutes tomorrow, Monday February 2nd, starting at 0800 Pacific Standard Time (UTC - 0800). (We're installing a remote power controller in preparation for an OS upgrade later on in the week.) Eric ___

Re: [Discuss-gnuradio] New version of swig

2009-02-01 Thread Michael Dickens
On Feb 1, 2009, at 8:22 AM, Philip Balister wrote: "SWIG-1.3.38 has been released. It contains an output directory regression fix and other minor bug fixes." I have a memory of someone having an issue with swig recently, was it with gnuradio? Your memory is correct, and, yes, the issue was wit

Re: [Discuss-gnuradio] help: cannot send after transport endpoint shutdown

2009-02-01 Thread Eric Blossom
On Sat, Jan 31, 2009 at 10:59:10PM +0800, Joreen Tan wrote: > > Hi, > > i am actually trying to do a half duplex (receive) using one board > (900MHz) and half duplex (transmit) using another board (1800MHz) in > the same usrp. I have another usrp for the same function. > I actually make use of th

Re: [Discuss-gnuradio] Maximum recursion depth exceeded

2009-02-01 Thread Dimitris Symeonidis
Fedora 11 will indeed most likely have python 2.6: https://fedoraproject.org/wiki/Features/Python_2.6 Dimitris Symeonidis "If you think you're too small to make a difference, try sleeping with a mosquito!" - Amnesty International On Sun, Feb 1, 2009 at 16:57, Philip Balister wrote: > On Sat, J

Re: [Discuss-gnuradio] Maximum recursion depth exceeded

2009-02-01 Thread Philip Balister
On Sat, Jan 31, 2009 at 12:49 PM, Philip Balister wrote: > > /home/balister/oe/tmp/staging/x86_64-linux/usr/bin/python: line 1: > ELF: not found > /home/balister/oe/tmp/staging/x86_64-linux/usr/bin/python: line 2: > syntax error: word unexpected (expecting ")") This is obviously an attempt t

[Discuss-gnuradio] New version of swig

2009-02-01 Thread Philip Balister
From: http://www.swig.org/ "SWIG-1.3.38 has been released. It contains an output directory regression fix and other minor bug fixes." I have a memory of someone having an issue with swig recently, was it with gnuradio? Philip ___ Discuss-gnuradio mai

[Discuss-gnuradio] USRP2 RX2 Antenna Selection For fullduplex

2009-02-01 Thread Firas A.
Hi, I want to do a full duplex transmission/reception using USRP2. According to : http://www.nabble.com/Re%3A-USRP2-fullduplex-operation-p21420216.html Hamfred wrote that he did it by patching gnuradio/usrp2/firmware/lib/db_rfx.c file as follows: In struct db_rfx__rx db_rfx__rx = { R