Re: [Discuss-gnuradio] how to get wireless carrier signal in GNU Radio

2008-10-24 Thread Zenny Zhang
Sachin, Sure, here is the related code I use: # get a probe alpha = 0.001 thresh = 30 self.probe = gr.probe_avg_mag_sqrd_c(thresh,alpha) # connect usrp to the probe self._fg.connect(self.u, self.probe) # wait until the medium is free while objDemod1.probe.leve

Re: [Discuss-gnuradio] find not working with USRP2

2008-10-24 Thread Hariharan Rahul
Tim Newman wrote: Silly question but did you make sure the SD card is secured in the SD memory slot? Actually, you hit the nail on the head! I was not aware that the SD card even needed to be plugged in for the USRP2 to work, because I figured the bootstrapping code for the ethernet was in an

Re: [Discuss-gnuradio] find not working with USRP2

2008-10-24 Thread Hariharan Rahul
It did the first time I ran it, and I fixed the chown and chmod on the binary. Now, all it does is print "No USRP2 found". Rahul Eric Blossom wrote: On Fri, Oct 24, 2008 at 03:56:14PM -0400, Hariharan Rahul wrote: Hi, I am attempting to use the new USRP2 units connected to a Ubuntu (Hardy

Re: [Discuss-gnuradio] find not working with USRP2

2008-10-24 Thread Eric Blossom
On Fri, Oct 24, 2008 at 03:56:14PM -0400, Hariharan Rahul wrote: > Hi, > > I am attempting to use the new USRP2 units connected to a Ubuntu (Hardy > 8.04) PC via GigE. > > I have followed the installation instructions here > (http://gnuradio.org/trac/wiki/UbuntuInstall) to install all the > r

[Discuss-gnuradio] find not working with USRP2

2008-10-24 Thread Hariharan Rahul
Hi, I am attempting to use the new USRP2 units connected to a Ubuntu (Hardy 8.04) PC via GigE. I have followed the installation instructions here (http://gnuradio.org/trac/wiki/UbuntuInstall) to install all the required software, and installed GNU Radio. However, when I then run "find_usrps

Re: [Discuss-gnuradio] Beagle board update

2008-10-24 Thread Eric Blossom
On Fri, Oct 24, 2008 at 08:19:49AM -0700, Philip Balister wrote: > On Fri, Oct 24, 2008 at 6:27 AM, Eric Blossom <[EMAIL PROTECTED]> wrote: > >> [EMAIL > >> PROTECTED]:/home/balister/oe/tmp/work/armv7a-angstrom-linux-gnueabi/gnuradio-3.1.3+svnr9809-r4.1/trunk/gnuradio-core/src/tests# > >> ./bench

Re: [Discuss-gnuradio] Beagle board update

2008-10-24 Thread Philip Balister
On Fri, Oct 24, 2008 at 6:27 AM, Eric Blossom <[EMAIL PROTECTED]> wrote: > On Thu, Oct 23, 2008 at 09:38:26PM -0700, Philip Balister wrote: >> I have some NEON code in the fff dotproduct routine, the qa code passes: >> >> [EMAIL >> PROTECTED]:/home/balister/oe/tmp/work/armv7a-angstrom-linux-gnueab

[Discuss-gnuradio] Re: Not coercible to endpoint: %s" % (x,)

2008-10-24 Thread C.cc Jay
Dear Richard Jaeger Did you find the ANS or solution. I got same problem. when I use band pass filter. I got the message Not coercible to endpoint. I did not solve this problem. But, I found a discussion in other place. Maybe you can tell me, what does he means? ===

Re: [Discuss-gnuradio] usrp2_fft segmentation fault

2008-10-24 Thread Eric Blossom
On Fri, Oct 24, 2008 at 10:39:26AM +0200, Natalia Olano wrote: > Hello, > > I am looking for some advice regarding the use of the USRP2 and I hope > that you can help me. Please forgive my inexperience, it is very short > that I have been working on this area. The USRP2 I am using has an RFX > 240

Re: [Discuss-gnuradio] Beagle board update

2008-10-24 Thread Eric Blossom
On Thu, Oct 23, 2008 at 09:38:26PM -0700, Philip Balister wrote: > I have some NEON code in the fff dotproduct routine, the qa code passes: > > [EMAIL > PROTECTED]:/home/balister/oe/tmp/work/armv7a-angstrom-linux-gnueabi/gnuradio-3.1.3+svnr9809-r4.1/trunk/gnuradio-core/src/tests# > ./test_filter

Re: [Discuss-gnuradio] usrp2_fft segmentation fault

2008-10-24 Thread Johnathan Corgan
On Fri, 2008-10-24 at 10:39 +0200, Natalia Olano wrote: > RuntimeError: Unable to retrieve daughterboard info There has been some recent changes in the USRP2 host and firmware code which appear to be incompatible. I will be working on this tonight and over the weekend. -Johnathan __

[Discuss-gnuradio] RFID data packet

2008-10-24 Thread Andrea Farulli
I have to develop a system for RFID operating in the 433 MHz frequency band (ISO 18000-7) transmission with the GNU radio python framework. I succeded transmitting a simple message with bfsk modulation using the gr.cpfsk_bc block with the proper parameter (carrier frequency, frequency deviation, bi

[Discuss-gnuradio] usrp2_fft segmentation fault

2008-10-24 Thread Natalia Olano
Hello, I am looking for some advice regarding the use of the USRP2 and I hope that you can help me. Please forgive my inexperience, it is very short that I have been working on this area. The USRP2 I am using has an RFX 2400 daughterboard, the environment is Suse 10.3 and these are the steps I hav