[Discuss-gnuradio] gr::buffer::allocate_buffer: warning

2015-04-20 Thread Ali Riaz
Hello everyone, I'm getting the following warnings when running my application, does anyone know what this means? gr::buffer::allocate_buffer: warning: tried to allocate 41 items of size 1592. Due to alignment requirements 512 were allocated. If this isn't OK, consider padding your stru

Re: [Discuss-gnuradio] This file requires compiler and library support for the ISO C++ standard

2015-04-06 Thread Ali Riaz
Awesome, thank you Bastian! On Mon, Apr 6, 2015 at 11:54 PM, Bastian Bloessl wrote: > Hi Ali, > > > On 07 Apr 2015, at 06:40, Ali Riaz wrote: > > Then it says: "It must be enabled with the -std=c++11 or -std=gnu++11 > compiler options". > > > > M

[Discuss-gnuradio] This file requires compiler and library support for the ISO C++ standard

2015-04-06 Thread Ali Riaz
Hello everyone, I'm trying to extract the *year, month, day, hour, minute, second and millisecond* from an std::chrono::time_point object in my OOT module, but when I try compiling it, it gives me an error as the title suggests. Then it says: "It must be enabled with the -std=c++11 or -std=gnu++11

Re: [Discuss-gnuradio] Problem in creating an OOT module

2015-03-17 Thread Ali Riaz
Well, it was definitely something simple :) Thank you for your help Tom! Best, Ali On Tue, Mar 17, 2015 at 7:21 PM, Tom Rondeau wrote: > On Tue, Mar 17, 2015 at 8:10 PM, Ali Riaz wrote: > >> Hello everyone, >> >> I was wondering if anyone can help me with a small iss

[Discuss-gnuradio] Problem in creating an OOT module

2015-03-17 Thread Ali Riaz
Hello everyone, I was wondering if anyone can help me with a small issue. I want to use the tagged_file_sink block in gnuradio companion, but with a couple of additional features suitable for my application needs. So I decide to create an OOT module, and as a start simply copy-pasted the original

Re: [Discuss-gnuradio] Controlling File Sink

2015-03-13 Thread Ali Riaz
Hey Richard, I looked at your previous post, and turns out that I actually have a similar need; I'm trying to figure out a way to control the functionality of the tagged file sink because I don't want it to create so many files lol (I'd just like it to place everything in one file). So I was thin

Re: [Discuss-gnuradio] Extracting and storing certain parameters from continuous IQ data

2015-03-11 Thread Ali Riaz
on. For example, you could probe at a 10 > Hz rate, then have your Python script log those values to a file, or > trigger > some other event. I have an example here where it probes the signal level > every second and logs it with GPS data: > > https://github.com/madengr/drive_t

Re: [Discuss-gnuradio] Extracting and storing certain parameters from continuous IQ data

2015-03-11 Thread Ali Riaz
' block which will only put the portion after > the tag into the file. You want a lot more functionality then this, but > this could get you going in the right direction. > > Rich > > On Wed, Mar 11, 2015 at 2:24 PM, Ali Riaz wrote: > >> Hello everyone, >> >&g

[Discuss-gnuradio] Extracting and storing certain parameters from continuous IQ data

2015-03-11 Thread Ali Riaz
Hello everyone, So I was trying to capture continuous IQ data from my USRP N200, and this needs to be done for about a week, but because the amount of data is ginormous, that's doesn't seem feasible at all. Instead, what I'm now thinking of doing is processing the data in gnuradio companion in rea

Re: [Discuss-gnuradio] Decimation of multiple streams

2015-03-11 Thread Ali Riaz
there's no easy way to have N identical things in GRC. > However, I'm pretty sure you're misusing vector_to_streamS. > There's vector_to_streamS and vector_to_stream, and the second is what you > usually want when converting a vector to streams of samples. > >

[Discuss-gnuradio] Decimation of multiple streams

2015-03-06 Thread Ali Riaz
Hey guys, I just had a quick question; if we have multiple streams that need to be decimated, is there a fast way to go about doing that in GNURadio Companion? How would you do it? Here's a picture of my flow graph: http://imgur.com/a/a0KCX Thank you for your help! Best, Ali ___

Re: [Discuss-gnuradio] Confusion, help please

2015-03-04 Thread Ali Riaz
ing the flow graph that you use? Greetings, Marcus PS: Although using adblock plus, before I see every other picture on tinypic, I get stuff like casino advertisment, and similar. Could you use any image hoster that doesn't block view on the pictures with advertisement? I found imgur.com to work

[Discuss-gnuradio] Confusion, help please

2015-03-02 Thread Ali Riaz
Hello all, I just had a quick question regarding the polyphase channelizer. As a start, I'm trying to divide an input spectrum into 6 channels of equal width. My sample rate for now is 5 MHz and the way I'm calculating the taps as follows: firdes.low_pass2(1.0, samp_rate, samp_rate/(nchan*2.15),

Re: [Discuss-gnuradio] [USRP-users] USRP, GNURadio Companion, Polyphase Channelizer Issue

2015-03-01 Thread Ali Riaz
And just in case you didn't get my images, I've uploaded them here for your convenience: http://tinypic.com/a/3e8if/4 Thank you for your help! Best, Ali On Sun, Mar 1, 2015 at 4:49 PM, Ali Riaz wrote: > Hello everyone, > > Hope you're all doing well. I have a grc desi