Re: [Discuss-gnuradio] Example: rx_samples_to_file.py

2013-05-06 Thread Zooz Engineer
Dear Marcus, I a working under windows now. I have modified the the example rx_samples_to_file.cpp by including the following lines usrp-set_time_source(external); usrp-set_time_unknown_pps(uhd::time_spec_t(0.0)); boost::this_thread::sleep(boost::posix_time::seconds(1)); for (size_t chan = 0;

Re: [Discuss-gnuradio] Example: rx_samples_to_file.py

2013-05-06 Thread Zooz Engineer
Got it! The problem I sent before is now solved by exeplicity defining gain, frequncy and rate for the three cheannles as follows: usrp-set_rx_gain(gain,std::string(),0); usrp-set_rx_gain(gain,std::string(),1); usrp-set_rx_gain(gain,std::string(),2); and similar lines for

Re: [Discuss-gnuradio] Example: rx_samples_to_file.py

2013-05-06 Thread Zooz Engineer
Yes I am using the command: uhd::usrp::multi_usrp::make(args) passing the IP addresses of the three N200 boards. Moreover I check the boards synch using usrp-get_time_synchronized () which returns true but still the sinusoids are not temporally alligned. A colleague raised an arguement the even

Re: [Discuss-gnuradio] Error in Building UHD on Windows

2013-05-03 Thread Zooz Engineer
that warning occurred, just to help check things for consistency? Thanks, Marcus Müller Am 02.05.2013 10:42, schrieb Zooz Engineer: However, I have some 27 warnings in MSVC and I don't know how important they are: C4244: '=' : conversion from 'double' to 'uint32_t', possible loss of data

Re: [Discuss-gnuradio] Error in Building UHD on Windows

2013-05-02 Thread Zooz Engineer
Subject: Re: Error in Building UHD on Windows On 04/25/2013 03:27 PM, Zooz Engineer wrote: Dear All, I am trying to install UHD on windows from source code. I have installed the prerequisites: cmake-2.8.10.2-win32-x86 boost_1_51_setup32 python-2.6.6 Cheetah-2.2.2

Re: [Discuss-gnuradio] Error in Building UHD on Windows

2013-05-02 Thread Zooz Engineer
by replacing the cvtres.exe from VS2010 with the one from VS2012. Best, Zo Date: Thu, 25 Apr 2013 14:54:37 -0700 From: ml-node+s4n41007...@n7.nabble.com To: xtmpcvs...@hotmail.com Subject: Re: Error in Building UHD on Windows On 04/25/2013 03:27 PM, Zooz Engineer wrote

[Discuss-gnuradio] Power_cycling USRP N200

2013-04-25 Thread Zooz Engineer
Dear All, I am working on USRP N200 and sometimes I access them through a remote desktop. However, when a problem happens and I need to power cycle the boards, I have to do that physically. Is there any method that I can execute a program or a command to power cycle the boards? Thanks,

[Discuss-gnuradio] Error in Building UHD on Windows

2013-04-25 Thread Zooz Engineer
Dear All, I am trying to install UHD on windows from source code. I have installed the prerequisites: cmake-2.8.10.2-win32-x86 boost_1_51_setup32 python-2.6.6 Cheetah-2.2.2.win32-py2.6 msysGit-fullinstall-1.8.1.2-preview20130201 Visual studio 2010 express I follwowed the steps detailed

Re: [Discuss-gnuradio] Error in Building UHD on Windows

2013-04-25 Thread Zooz Engineer
I think I am missing something in the build variables. What are the variables that need to be set? Cheers, Zo From: xtmpcvs...@hotmail.com To: discuss-gnuradio@gnu.org Subject: Error in Building UHD on Windows Date: Thu, 25 Apr 2013 20:27:38 + Dear All, I am trying to install UHD on

[Discuss-gnuradio] Example: rx_samples_to_file.py

2013-04-15 Thread Zooz Engineer
Dear All, My aim at the timebeing is to synchronously record some data from 3 USRP-N200 for offline processing I wonder if the provided example rx_samples_to_file.py works for multiple USRPs with external Ref/PPS. Does anybody have an expereince with this example and wants to share it? I

Re: [Discuss-gnuradio] Synchronizing 3 USRP-N200

2013-04-04 Thread Zooz Engineer
) to see if the apparent phase differences follow particular cables/signal paths? On Apr 3, 2013, at 2:32 AM, Zooz Engineer xtmpcvs...@hotmail.com wrote:Hi Marcus, Thanks for replying. I did the following test after your comments: 1- to rule out the scope sink problem, I used a file sink

Re: [Discuss-gnuradio] Synchronizing 3 USRP-N200

2013-04-03 Thread Zooz Engineer
Hi Marcus, Thanks for replying. I did the following test after your comments: 1- to rule out the scope sink problem, I used a file sink and plotted the output using octave: Same results observed. 2- I took the outputs of the splitters to the oscilloscope and there are aligned. Are there

[Discuss-gnuradio] Using USRP N200 at symbol rate 27.5 MSps

2012-10-22 Thread Zooz Engineer
Dear All, I have purchased 3 USRPs (N200) and set them up. I am intending to implement a satellite receiver by connecting a board to the output of an LNB (satellite dish). I am using the daughterboard DBSRX2 and I need to used a symbol rate of 27.5 MSps ( compliant to the standard). For