Re: [Discuss-gnuradio] ofdm reception affected by python threading?

2010-05-28 Thread Eric Blossom
On Fri, May 28, 2010 at 04:10:12PM -0700, Veljko Pejovic wrote: > Hi Eric, > > Thanks for the tip. I tried it out on a faster machine, and I observed > no such problems. The first machine that produces this problem has a > single core 2.8GHz CPU and the second one, which works fine, has a > dual c

Re: [Discuss-gnuradio] GRC: wrong input declaration in sample_and_hold

2010-05-28 Thread Josh Blum
This is the sample and hold c++ io signature: @NAME@::@NAME@ () : gr_sync_block ("@BASE_NAME@", gr_make_io_signature2 (2, 2, sizeof (@I_TYPE@), sizeof(char)), gr_make_io_signature (1, 1, sizeof (@O_TYPE@))), d_data(0) { } this is the grc xml block io

Re: [Discuss-gnuradio] ofdm reception affected by python threading?

2010-05-28 Thread Veljko Pejovic
Hi Eric, Thanks for the tip. I tried it out on a faster machine, and I observed no such problems. The first machine that produces this problem has a single core 2.8GHz CPU and the second one, which works fine, has a dual core Intel Atom D510, both machines have 2GB of RAM each. I should note that

[Discuss-gnuradio] GRC: wrong input declaration in sample_and_hold

2010-05-28 Thread Alberto Trentadue
Hello I think I found a wrong input declaration in the sample_and_hold GRC block. The "control" input is defined to be of the same data type of "in" and "out". Instead, it should be a byte. This is the fix I have applied: [albe...@iz0cez gnuradio]$ diff -c ./share/gnuradio/grc/blocks/gr_sampl

[Discuss-gnuradio] "uU" 26

2010-05-28 Thread Eric Blossom
On Fri, May 28, 2010 at 10:33:56AM +0800, weizhongshan wrote: > thanks Eric > I am sorry ,I will not do that again .but would you please help me figure out > this problem. as I mentioned the USB speed is not a problem.and i have > another C++ problem test_usrp ,it's a one channel receiver , the d

[Discuss-gnuradio] gnuradio.org server down right now

2010-05-28 Thread Eric Blossom
FYI, The gnuradio.org server is down right now. We're working on it. Should be back later on this afternoon. Trying to find the real cause, as opposed to just rolling back to the latest snapshot. Eric ___ Discuss-gnuradio mailing list Discuss-gnuradio

Re: [Discuss-gnuradio] How to write a signal processing block problems

2010-05-28 Thread Mir M. Ali
./bootstrap ./configure make make install If you have errors then check your changes. Was that difficult? :) On Thu, May 27, 2010 at 7:50 AM, Tobias Schmid wrote: > Hello, > > I am working on project ofdm project using gnuradio. Up til now I just used > python blocks to build my flowgraphs. Bu

Re: [Discuss-gnuradio] GNU Radio release 3.3.0-rc1 tarballs available for download

2010-05-28 Thread Arturo Rinaldi
Il 22/05/2010 01:34, Johnathan Corgan ha scritto: GNU Radio release 3.3.0-rc1 tarballs are available for download: http://gnuradio.org/releases/gnuradio/gnuradio-3.3.0-rc1.tar.gz http://gnuradio.org/releases/gnuradio/gr-howto-write-a-block-3.3.0-rc1.tar.gz md5sums: b936f27cf106b15be0ad7e2066b0

Re: [Discuss-gnuradio] GNU Radio Europe

2010-05-28 Thread adib_sairi
adib_sairi wrote: > > Dear All, > > one time ago there is a GNU Radio Europe if i am not www.gnuradio.nl forum > available. but today i try to access it and unfortunately i find out that > is is not available anymore. did any one know what is happening? > > I am looking for anybody in Netherl

[Discuss-gnuradio] Problem with USRP2

2010-05-28 Thread Ryan van den Bergh
Hi Everyone, I'm studying at the University of Witwatersrand in Johannesburg, South Africa and we received a set of four USRP2s about 5-6 months ago. I immediately unpacked two of them and after a few hiccups, got them working. Two days ago, I needed to make use of the other two USRP2s and th