Re: [Discuss-gnuradio] Two questions re VOLK armv7

2015-07-04 Thread Dennis Glatting
On Sat, 2015-07-04 at 16:32 -0400, West, Nathan wrote: > Hi Dennis, > > > The 32fc_s32fc_multiply_32fc should be fixed as of about 12 hours ago. > Try updating your repo. > Thanks. I did a pull and recompiled. Works better. The test now says: ... Kernel QA finished: 2 failures out of 91 tests.

Re: [Discuss-gnuradio] Two questions re VOLK armv7

2015-07-04 Thread West, Nathan
Hi Dennis, The 32fc_s32fc_multiply_32fc should be fixed as of about 12 hours ago. Try updating your repo. The other two have nothing 'wrong' with them. We use a QA tolerance to check results and it just happens that the tolerance is a bit too low on ARM. Those operations are hard to get accurate

[Discuss-gnuradio] Errors in FEC gnruadio

2015-07-04 Thread bob wole
Hi list, I was not getting reply on the previous thread so I though to start a new thread. gnuradio version 3.7.7.1 ubunutu 14.04 32-bit I am trying to use gr-fec and I am having issues running examples located in gnuradio/gr-fec/examples/ When I run ber_test.grc I get following error Using V

Re: [Discuss-gnuradio] Graph Stuck after a few vectors

2015-07-04 Thread Marcus Müller
Hi Mohammad, to try, you could just use the repeat block. Best regards, Marcus On 07/04/2015 03:15 PM, Mohammad Ghasemi wrote: > I have attached a screenshot of my design. > when I start simulating it stuck and only plot a few vectors of data. > I think it's becasue of variable time shift block,

Re: [Discuss-gnuradio] Raspberry PI 2 build failure

2015-07-04 Thread Andreas Ladanyi
Hi Ron, have a look at https://gnuradio.org/redmine/projects/gnuradio/wiki/Embedded You have to native compile: cmake -DCMAKE_C_FLAGS="-march=armv7 -mthumb-interwork -mfloat-abi=hard -mfpu=neon -mtune=cortex-a7" -DCMAKE_ASM_FLAGS="-march=armv7 -mthumb-interwork -mfloat-abi=hard -mfpu=neon"

Re: [Discuss-gnuradio] Regarding Academic project

2015-07-04 Thread Marcus Müller
Hi Shriraghavan, you may want to be more specific in what you're looking for. Since GNU Radio is a framework to build signal processing applications, in theory everything that happens in a limited bandwidth can be implemented with GNU Radio. That means that people have used it for BER performance

Re: [Discuss-gnuradio] Segmentation fault due to thread unsafety?

2015-07-04 Thread Marcus Müller
Hi Jeroen, > > I suspect that a solution is that I drag all plotting into my own > block, and that also calling the plot_all() function must be done from > within the work() function (say every 100 ms). I'd say quite the opposite is true! So the point is that GUIs need to have their own loops to