On Tue, Feb 12, 2008 at 12:25:04PM -0800, Johnathan Corgan wrote:
On 2/12/08, Ed Criscuolo [EMAIL PROTECTED] wrote:
Has anyone else seen this?
Can you confirm that you are in fact using a USB 2.0 controller? Your
symptoms are consistent with what happens when you have USB 1.1. The
I'm currently doing some preliminary planning/budgeting for a
significant project involving Gnu Radio:
http://tech.groups.yahoo.com/group/sbrac-astronomy/
My current thinking is to run dual polarization at the feedpoint, using
USRP2. The idea is that two USRP2s
can live in a
David - Sounds like libusb isn't in the DYLD load path, wasn't
installed correctly, or wasn't part of the linking for libusrp. Can
you reply with [off list is probably best; we can summarize results on-
list if they're useful]:
otool -L /usr/local/lib/libusrp.0.dylib
as well as
printenv
Hello!
I am current transmitting an audio stream from my sound card (SB Audigy2) to
the USRP and it is transmitting at an FM frequency. The problem I am facing is
that my sound card supports 44100Hz sample rate however, since the USRP audio
rate is an integer factor of 128MS/s When I receive
2. Locate USRP as far as possible from electronic devices (is 5m
really the maximum distance, or is there some other trick?)
Juha,
You might try using a USB media converter. This would make it possible
to separate the USRP from the laptop by a much greater distance (cutting
down on
Matt Ettus wrote:
Juha Vierinen wrote:
Hi,
I have been doing some radio astronomy experiments with USRP using a
30 MHz dipole antenna (actually it is more of a riometer experiment).
I am running into various interference issues. E.g., at one point I
noticed that if my laptop power supply is
On Tue, Feb 12, 2008 at 04:30:00PM -0500, Ed Criscuolo wrote:
Johnathan Corgan wrote:
Can you confirm that you are in fact using a USB 2.0 controller? Your
symptoms are consistent with what happens when you have USB 1.1. The
enumeration is able to successfully occur, so you get the device,
Johnathan Corgan wrote:
Can you confirm that you are in fact using a USB 2.0 controller? Your
symptoms are consistent with what happens when you have USB 1.1. The
enumeration is able to successfully occur, so you get the device,
etc., but when the host tries to establish a high speed endpoint
On 2/12/08, Ed Criscuolo [EMAIL PROTECTED] wrote:
Has anyone else seen this?
Can you confirm that you are in fact using a USB 2.0 controller? Your
symptoms are consistent with what happens when you have USB 1.1. The
enumeration is able to successfully occur, so you get the device,
etc., but
After many successful Gnu Radio projects with GR 3.1.1 under
both Fedora 4 and Fedora 6, I tried to install it on a
Fedora 8 32-bit system, but am having a problem.
The build was successful, 'make check' passed all tests,
and the install was successful.
The modification to the udev config
Hello!
To enable realtime scheduling the requesting process needs CAP_SYS_NICE.
Until now this meat running as root (and probably dropping all other
capabilities), either as root user, via a wrapper or with sudo [1].
running as root initially is not preferable, but probably the most used
All -
I'm trying to set up libusrp on a G4 PowerBook under OS 10.5.1. We
installed gnuradio 3.1.1 and installed all of the supporting packages
with macports.
When I try to access the USRP I get this:
dyld: Symbol not found: _usb_error_str
Referenced from: /usr/local/lib/libusrp.0.dylib
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