Re: [Discuss-gnuradio] Profile gr python code using Oprofile and Kcachegrind

2012-08-29 Thread Qing Yang
Hi Tom, Thanks for your suggestion, my Kcachegrind works well now. But this method (explicitly call through python interpreter) doesn't work for Oprofile, I still can't find the session name "dial_tone" in the profiled data. BTW, if Kcachegrind works well with python application, why do you guys

Re: [Discuss-gnuradio] FPGA time

2012-08-29 Thread mleech
On 29 Aug 2012 15:13, Josh Blum wrote: > On 08/28/2012 03:24 PM, Anisha Gorur wrote: > >> Sorry for the confusion. We are trying to synchronize 3 usrps for collect. The devices seem to be time aligned in that the samples are timestamped with the same metadata, so we believed that synchronizat

Re: [Discuss-gnuradio] FPGA time

2012-08-29 Thread Josh Blum
On 08/28/2012 03:24 PM, Anisha Gorur wrote: > Sorry for the confusion. We are trying to synchronize 3 usrps for collect. > The devices seem to be time aligned in that the samples are timestamped > with the same metadata, so we believed that synchronization had been > achieved. However, when the d

[Discuss-gnuradio] change to daily batch

2012-08-29 Thread Mayowa K. Aregbesola
Hi kindly change my subscription to a daily batch. Mayowa Aregbesola | aregbes...@gmail.com ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] re ad_gpio() help

2012-08-29 Thread sibar002
Hello, I am working on a program that continuously reads pins io_rx[0-15] on the basic_rx board (I am using USRP N210). I am able to read the pins using the read_gpio() function, but after a couple seconds I get the following error. RuntimeError: RuntimeError: fifo ctrl timed out looking for ack

[Discuss-gnuradio] Queue Source not being processed by DPSK Demod Block

2012-08-29 Thread Travis Collins
Im having an issue with the my dpsk demodulator block not processing any data provided by a message source block. This is how I'm passing it to the queue: msg = gr.message_from_string(processed.tostring(), gr.sizeof_gr_complex) tb.source_queue.insert_tail(msg) The "processed" data is a numpy arra

[Discuss-gnuradio] GNU Radio RTL-SDR: self._grid_compiled_list_id error under Mac OS X 10.7.4

2012-08-29 Thread daniel . e . weeks
I am trying to get GNU Radio working on a Mac OS X 10.7.4 Air laptop.  I installed most of the required packages via MacPorts, and then pulled GNU Radio from git. It installed O.K., but dies like this: Using Volk machine: sse4_1_64 gr-osmosdr supported device types: file fcd rtl rtl_tcp uhd  Usi

Re: [Discuss-gnuradio] A silly question

2012-08-29 Thread Alick Zhao
On Mon, 27 Aug 2012 09:46:56 -0700, Josh Blum wrote: > >> >> How can we do that in a C++/Python hybrid flowgraph? Is there a Python >> interface out there? >> > > So to register a python callback into C++ is tricky. The answer is SWIG > directors. However, I nearly killed myself yesterday trying