Re: [Discuss-gnuradio] setup of usrp N100/N200

2013-10-21 Thread Sandhya G
OS is linux. my pc is 2010 model,has - 3rd Generation Intel® Core™ i5-3317U - 64-bit. And when i give the command sudo ethtool eth1 i'am getting the speed has 10Mb/s Settings for eth1: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full

Re: [Discuss-gnuradio] setup of usrp N100/N200

2013-10-21 Thread Activecat
As I mentioned in previous email (below), the first thing you need to do now is to bring up the physical layer of the Ethernet connection. If the GE port LED is not ON, no point to proceed without this being solved first. If you insist that your hardware support 1000Mbps GE, then make the Linux

Re: [Discuss-gnuradio] setup of usrp N100/N200

2013-10-21 Thread Sandhya G
ok sir then i'l try to debug the problem in my os now Thanks Sandhya On Mon, Oct 21, 2013 at 11:49 AM, Activecat active...@gmail.com wrote: As I mentioned in previous email (below), the first thing you need to do now is to bring up the physical layer of the Ethernet connection. If the GE

Re: [Discuss-gnuradio] setup of usrp N100/N200

2013-10-21 Thread Activecat
Chances are your pc hardware is actually not GE capable. On Mon, Oct 21, 2013 at 2:23 PM, Sandhya G sandhya4...@gmail.com wrote: ok sir then i'l try to debug the problem in my os now Thanks Sandhya On Mon, Oct 21, 2013 at 11:49 AM, Activecat active...@gmail.com wrote: As I mentioned in

Re: [Discuss-gnuradio] warning message

2013-10-21 Thread Sylvain Munaut
Hi, Warning: Block key blocks_ctrlport_monitor_performance not found when loading category tree. Warning: Block key blocks_ctrlport_monitor_performance not found when loading category tree. They're harmless and just due to the fact you don't have ctrlport support compiled it, probably

Re: [Discuss-gnuradio] gr.file_sink Issue

2013-10-21 Thread Marcus Müller
Hi Paul, if you're using GR 3.7, the standard blocks have moved from the /gr/ module to the /blocks/ module. If you're using 3.6, further investigation is necessary. Greetings, Marcus On 10/21/2013 01:45 AM, Paul B. Huter wrote: I looked everywhere for information pertaining to this

Re: [Discuss-gnuradio] Using USRP to transmit and receive samples

2013-10-21 Thread Martin Braun (CEL)
On Fri, Oct 18, 2013 at 06:00:48PM -0500, JPL wrote: Question: (1) should I just replace the Vector Source block into File Source in tx_ofdm.grc? This won't work, the input expects a tagged stream (see the corresponding manual page). You will need to split the file into packets, and tag them

[Discuss-gnuradio] audio rate and quadrature rate in gnuradio

2013-10-21 Thread Sandhya G
Hello everyone, ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] audio rate and quadrature rate in gnuradio

2013-10-21 Thread Sandhya G
Hello everyone, I'am building an FM transmitter in gnuradio .Well the audio wave file is connected to wbfm transmitter through resampler block.The audio sample rate is 48KHZ and according to the wbfm block the quadrature rate and audio rate are related by mod function (quad_rate %

Re: [Discuss-gnuradio] setup of usrp N100/N200

2013-10-21 Thread Sandhya G
Yes sir .your right i thought my pc is ethernet capable.I brushed the spec of pc hardware it just supports maximum 100mbps .so i'm installing gnuradio on pandaboard which supports gigabyte. Thanks and regards Sandhya On Mon, Oct 21, 2013 at 11:58 AM, Activecat active...@gmail.com wrote:

Re: [Discuss-gnuradio] setup of usrp N100/N200

2013-10-21 Thread Activecat
Congradulation and you are most welcome. activecat. On Mon, Oct 21, 2013 at 7:10 PM, Sandhya G sandhya4...@gmail.com wrote: Yes sir .your right i thought my pc is ethernet capable.I brushed the spec of pc hardware it just supports maximum 100mbps .so i'm installing gnuradio on pandaboard

Re: [Discuss-gnuradio] setup of usrp N100/N200

2013-10-21 Thread Marcus Leech
The default IP address of the N2XX devices is 192.168.10.2, so: uhd_usrp_probe --args "addr=192.168.10.2" Should work. EXCEPT, you only have a 10/100 Ethernet interface, which won't work. The N2XX devices support ONLY 1GiGe. on Oct 21, 2013, Sandhya G sandhya4...@gmail.com wrote: HI all, I

Re: [Discuss-gnuradio] zero ninput_items_required[0]

2013-10-21 Thread Marcus Müller
Hm, I don't know why this should really happen before your source's work function is called. But basically, maybe this is part of GNU Radio trying to figure out how to assign buffers; I haven't dived very deep into that aspect of the runtime. However,

[Discuss-gnuradio] Valgrind gr_fir_fff_simd::set_taps - memory leak

2013-10-21 Thread Luke Berndt
I am trying to track down an insidious little memory leak in a Block that wraps the DSD vocoder. I have run Valgrind against it and didn't find anything obvious. Valgrind didn't like the way memory was being assigned by set_taps and it seems like this came up in a previous thread too:

Re: [Discuss-gnuradio] Valgrind gr_fir_fff_simd::set_taps - memory leak

2013-10-21 Thread Philip Balister
On 10/21/2013 01:43 PM, Luke Berndt wrote: I am trying to track down an insidious little memory leak in a Block that wraps the DSD vocoder. I have run Valgrind against it and didn't find anything obvious. Valgrind didn't like the way memory was being assigned by set_taps and it seems like this

[Discuss-gnuradio] Misc questions, regarding Interrupt coalescing

2013-10-21 Thread Naceur
Hello GR Forum, I got some questions: 1/ Did anyone already tested the effect of Interrupt coalescing on reducing the latency when host and USRP N2X0 are communicating and how far did he reduce this latency 2/ I want to check first if my NIC got this feature enabled ? How do I have to proceed

[Discuss-gnuradio] GNU Radio 3.7 installation issue

2013-10-21 Thread Activecat
Dear Sir, I was using GNU Radio 3.6.5.1 previously but now try migrating to version 3.7.1. So I remove all existing installation, then start using the latest build-gnuradio script. This error comes out: Building extra module gr-baz -- The CXX compiler identification is GNU 4.7.2 -- The C

Re: [Discuss-gnuradio] GNU Radio 3.7 installation issue

2013-10-21 Thread Marcus D. Leech
Dear Sir, I was using GNU Radio 3.6.5.1 previously but now try migrating to version 3.7.1. So I remove all existing installation, then start using the latest build-gnuradio script. This error comes out: Building extra module gr-baz -- The CXX compiler identification is GNU 4.7.2

Re: [Discuss-gnuradio] GNU Radio 3.7 installation issue

2013-10-21 Thread Activecat
Dear Sir, Both gr-baz and grextras fail in compilation of gnuradio 3.7. It seems that we have no other choice but to ignore the compilation errors. But what are gr-baz and grextras being used for, and how this compilation error will affect the functionality of gnuradio 3.7 ? Regards, activecat

Re: [Discuss-gnuradio] GNU Radio 3.7 installation issue

2013-10-21 Thread Marcus D. Leech
Dear Sir, Both gr-baz and grextras fail in compilation of gnuradio 3.7. It seems that we have no other choice but to ignore the compilation errors. But what are gr-baz and grextras being used for, and how this compilation error will affect the functionality of gnuradio 3.7 ? They're used for

Re: [Discuss-gnuradio] Repeatability of delivery ratios using benchmark_tx/rx

2013-10-21 Thread Aditya Dhananjay
On Wed, Oct 16, 2013 at 10:29 PM, Aditya Dhananjay adi...@cs.nyu.eduwrote: On Wed, Oct 16, 2013 at 10:22 PM, Aditya Dhananjay adi...@cs.nyu.eduwrote: Hi All, I have two USRP N210 devices connected by an attenuator cable. I set up the following experiments. -- BEGIN EXPERIMENT 1 Step

Re: [Discuss-gnuradio] Using USRP to transmit and receive samples

2013-10-21 Thread JPL
Hello, Martin 1. Would you please tell me where the manual page is? Because I cannot understand *How the Vector source works* (tagged_streams.make_lengthtags((packet_len,),(0,).length_tag_name)? and *where the Importblock grab the value from* (from gnuradio.digital.utils import tagged_streams),

[Discuss-gnuradio] cgran is weird

2013-10-21 Thread Activecat
I was trying to install the 802.11b Receiver from https://cgran.org/wiki/SPAN80211b So I followed the instruction to download the source files using the svn as follows: svn co -r7596 http://gnuradio.org/svn/gnuradio/trunk gnuradio_r7596 It gave following message but no file was downloaded.

Re: [Discuss-gnuradio] cgran is weird

2013-10-21 Thread Marcus D. Leech
On 10/21/2013 11:40 PM, Activecat wrote: I was trying to install the 802.11b Receiver from https://cgran.org/wiki/SPAN80211b So I followed the instruction to download the source files using the svn as follows: svn co -r7596 http://gnuradio.org/svn/gnuradio/trunk gnuradio_r7596 It gave

Re: [Discuss-gnuradio] cgran is weird

2013-10-21 Thread George Nychis
CGRAN founder, here! Like Marcus said, it's just out of date code and instructions. This is bound to happen with the majority of projects over time. But, the benefit to anyone is that parts of them can be used to build new things, and if you really need functionality provided by one of those

Re: [Discuss-gnuradio] cgran is weird

2013-10-21 Thread Vanush Vaswani
It would be good to have a list of up to date modules. On Tue, Oct 22, 2013 at 2:58 PM, George Nychis gnyc...@gmail.com wrote: CGRAN founder, here! Like Marcus said, it's just out of date code and instructions. This is bound to happen with the majority of projects over time. But, the benefit

Re: [Discuss-gnuradio] cgran is weird

2013-10-21 Thread George Nychis
I've found less projects being contributed to CGRAN in general right now. This is likely to due with the migration to git and github providing a nice interface with wikis for each project. So, the majority of projects on CGRAN right now are a bit dated :\ That said, I've been thinking of