Re: [Discuss-gnuradio] Casting an input value using block() function

2012-11-04 Thread Jose Torres Diaz
Thanks Bastian, This fix the issue, Regards, Jose On Mon, Nov 5, 2012 at 5:11 PM, Bastian Bloessl wrote: > Hi Jose, > > > On 11/05/2012 01:12 AM, Jose Torres Diaz wrote: > >> int work( >> const InputItems &input_items, >> const OutputItems &output_items >> ){ >> >>

[Discuss-gnuradio] gr_modtool error Adding file .h

2012-11-04 Thread gong zhang
I'm newbie to gnuradio.I got a problem when i use the latest gr_modtool to check the howto_square_ff example.I work with Ubuntu10.04,python2.6 and Cheetah2.4.4. When i excute 'gr_modtool add' I got the following: Add Python QA code? [Y/n] n Add C++ QA code? [Y/n] n Traversing lib... Adding file 'ho

Re: [Discuss-gnuradio] Casting an input value using block() function

2012-11-04 Thread Jose Torres Diaz
Hi, In order to add more information, I found some information here: http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Fkeyword_const_cast.htm As I understand, the issue is with this line in block. h typedef std::vector > InputItems

[Discuss-gnuradio] Casting an input value using block() function

2012-11-04 Thread Jose Torres Diaz
Hi, My question is related to the work function using block() as provided in GRExtras. I have a block that input a gr_complex value and output a gr_complex value. I'm trying to cast the input and output, in order to use them in my work function, what I have is: int work( const InputItems

Re: [Discuss-gnuradio] impossible to execute flow graph

2012-11-04 Thread Tom Rondeau
On Sun, Nov 4, 2012 at 3:52 PM, pascal m wrote: > > >> > How to check if wxPython is installed? >> >> In a terminal window: >> >> $ python >> Python 2.7.3 (default, Jun 15 2012, 16:17:03) >> [GCC 4.5.2] on linux2 >> Type "help", "copyright", "credits" or "license" for more information. >> >>> impo

Re: [Discuss-gnuradio] How to avoid windowing in FFT - GNURadio

2012-11-04 Thread Tom Rondeau
On Sun, Nov 4, 2012 at 5:42 PM, Jose Torres Diaz wrote: > Hi Community, > > I'm working with FFT from GNURadio and I would like to use it as it is. > However, I need to avoid the windowing, but I'm not sure which parameter I > can provide to the block to do this. > > Should I leave the field empty

[Discuss-gnuradio] Create a synchronous block using GRExtras

2012-11-04 Thread Jose Torres Diaz
Hi All, Now I'm doing a block that uses stream instead of message passing. However, my code is based on those provided in GRExtras. My block should be a gr_sync_block, however in GRExtras is used block() instead. How can I make sure that my block is a synchronous block in this case?, because I can

[Discuss-gnuradio] How to avoid windowing in FFT - GNURadio

2012-11-04 Thread Jose Torres Diaz
Hi Community, I'm working with FFT from GNURadio and I would like to use it as it is. However, I need to avoid the windowing, but I'm not sure which parameter I can provide to the block to do this. Should I leave the field empty or should I give a 1?. Thanks for your help, Regards, Jose __

Re: [Discuss-gnuradio] impossible to execute flow graph

2012-11-04 Thread pascal m
> How to check if wxPython is installed? > > In a terminal window: > > $ python > Python 2.7.3 (default, Jun 15 2012, 16:17:03) > [GCC 4.5.2] on linux2 > Type "help", "copyright", "credits" or "license" for more information. > >>> import wx > >>> > > else Python will complain. > John > > Hello John

Re: [Discuss-gnuradio] Community Manager

2012-11-04 Thread Matt Ettus
Martin, I would really like to thank you for taking on this role. I look forward to working with you to expand and strengthen our community! Matt On Sun, Nov 4, 2012 at 8:12 AM, Tom Rondeau wrote: > Hi everyone, > > I just wanted to announce that we have created a new position in the > GNU Rad

Re: [Discuss-gnuradio] impossible to execute flow graph

2012-11-04 Thread John Coppens
> How to check if wxPython is installed? In a terminal window: $ python Python 2.7.3 (default, Jun 15 2012, 16:17:03) [GCC 4.5.2] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>

Re: [Discuss-gnuradio] impossible to execute flow graph

2012-11-04 Thread pascal m
> Looks like maybe you have a problem with your wxPython installation. > EVT_DATA should be of type wx._core.PyEventBinder, which has a typeId > property (http://wxpython.org/docs/api/wx.PyEventBinder-class.html). > > How did you install wxPython? > > Tom > Hello Tom, I have not installed wxPython

[Discuss-gnuradio] Community Manager

2012-11-04 Thread Tom Rondeau
Hi everyone, I just wanted to announce that we have created a new position in the GNU Radio project. Martin Braun will be taking up the role of Community Manager. I have posted more about this at my blog here: http://www.trondeau.com/home/2012/10/31/community-manager.html As noted in the post, M

Re: [Discuss-gnuradio] cmake max version test?

2012-11-04 Thread Tom Rondeau
On Thu, Nov 1, 2012 at 9:39 PM, Michael Dickens wrote: > On Nov 1, 2012, at 12:04 PM, Tom Rondeau wrote: >> gr-qtgui /should/ be compatible with QWT6. I've been running it on >> QWT6 on my systems since 12.04 came out. If there are specific >> problems, we can patch it. >> >> If you look inside t

Re: [Discuss-gnuradio] impossible to execute flow graph

2012-11-04 Thread Tom Rondeau
On Fri, Nov 2, 2012 at 9:58 AM, pascal m wrote: > > Hello, > I installed gnuradio 3.6.2 on Ubunto 12.04LTS. > I always get errors when I execute the flow graph. > Example if I take ~ / gnuradio / gr-audio / examples / grc / dial_tone.grc > Sev despite hours of research I have not been able to find

Re: [Discuss-gnuradio] Recording simultaneously multiple FM station with Gnuradio

2012-11-04 Thread Marcus D. Leech
On 11/04/2012 09:59 AM, Olivier Austina wrote: Hello, I am newbie in this forum. I would like to know if it is possible to record simultaneously many FM stations with single SDR tuners or many SDR tuners. Can the ezcap USB 2.0 DVB-T/DAB/FM dongle can be used for this end. If yes how many cha

Re: [Discuss-gnuradio] how to get out of this error

2012-11-04 Thread Marcus D. Leech
On 11/04/2012 04:05 AM, Vidyadhar Reddy Gosala wrote: venkateswarlu@ubuntu:/usr/local/bin$ uhd_fft linux; GNU C++ version 4.5.2; Boost_104200; UHD_003.004.003-247-g76f4e4d3 Traceback (most recent call last): File "/usr/local/bin/uhd_fft", line 337, in main () File "/usr/local/bin/uhd_ff

[Discuss-gnuradio] Recording simultaneously multiple FM station with Gnuradio

2012-11-04 Thread Olivier Austina
Hello, I am newbie in this forum. I would like to know if it is possible to record simultaneously many FM stations with single SDR tuners or many SDR tuners. Can the ezcap USB 2.0 DVB-T/DAB/FM dongle can be used for this end. If yes how many channels, it can record simultaneously.Any suggestion i

[Discuss-gnuradio] how to get out of this error

2012-11-04 Thread Vidyadhar Reddy Gosala
venkateswarlu@ubuntu:/usr/local/bin$ uhd_fft linux; GNU C++ version 4.5.2; Boost_104200; UHD_003.004.003-247-g76f4e4d3 Traceback (most recent call last): File "/usr/local/bin/uhd_fft", line 337, in main () File "/usr/local/bin/uhd_fft", line 333, in main app = stdgui2.stdapp(app_top_b