Re: [Discuss-gnuradio] DC component

2012-01-03 Thread Gaetano Mendola
On Fri, Dec 23, 2011 at 5:17 PM, Marcus D. Leech mle...@ripnet.com wrote: Please do not get me wrong. I believe that the work from Ettus and the contributors to GNU-Radio are revolutionary!  The equipment with the interface to GNU-Radio is not only priced at a level that is affordable to many

Re: [Discuss-gnuradio] uhd b100 usb problems - No UHD Devices Found

2012-01-03 Thread Ben Hilburn
First, you need to always try it twice. If the code loads my USRP1 with firmware, it does not get found. uhd_find_devices loads the firmware onto your device, at which point the device re-enumerates and identifies. If the USB driver installed on your system, or the OS itself, handles

Re: [Discuss-gnuradio] uhd b100 usb problems - No UHD Devices Found

2012-01-03 Thread Matt Mills
On Tue, Jan 3, 2012 at 10:36 AM, Ben Hilburn b...@ettus.com wrote: But you should not have to 'try it twice', unless something about your USB driver or OS is broken. FYI I was seeing the try it twice behaviour consistently with VMware; probably because it has to reconnect the device to the

Re: [Discuss-gnuradio] uhd b100 usb problems - No UHD Devices Found

2012-01-03 Thread mleech
On Tue, 3 Jan 2012 11:15:14 -0700, Matt Mills wrote: On Tue, Jan 3, 2012 at 10:36 AM, Ben Hilburn wrote: But you should not have to 'try it twice', unless something about your USB driver or OS is broken. FYI I was seeing the try it twice behaviour consistently with VMware; probably

Re: [Discuss-gnuradio] uhd b100 usb problems - No UHD Devices Found

2012-01-03 Thread LRK
On Tue, Jan 03, 2012 at 01:34:43PM -0500, mle...@ripnet.com wrote: My experience with USB + VMware, through a Windows host system into a Ubuntu VM, is that USB behaviour is bizarre and unreliable during enumeration/reconnect. I have to deal with this every day as an Android developer,

[Discuss-gnuradio] Latency control. You asked for it....

2012-01-03 Thread Tom Rondeau
Some of you at least. There's been an expressed desire for better control over the latency of a GNU Radio flowgraph. I've just checked in an update to the master (and next) branch that gives you a bit of control over this. Now, when you call tb.start() or tb.run(), these functions take a

Re: [Discuss-gnuradio] Profile data

2012-01-03 Thread Marcus D. Leech
The uhd_fft.py uses the wxPython GUI interface, which does most of its work in Python. Can you separate the symbols to see more specifically where the processing is happening? Tom I asked for symbols when I did the opreport, but for libpython, it didn't produce a by-symbol breakdown,