Re: [Discuss-gnuradio] SSDT question

2012-05-05 Thread Matt Ettus
On Fri, May 4, 2012 at 5:52 PM, frankist wrote: > > Hi, > > This question isn't necessarily about GNU Radio but about SDR in general. > > I am studying spectrum sensing algorithms and I was reading about > simultaneous sensing and data transmission or SSDT for out-band sensing. It > means that a r

[Discuss-gnuradio] MacOS, AVX, GCC, and LLVM

2012-05-05 Thread Jared Boone
I spent some time last night getting the the development branch of GNU Radio to compile on MacOS X 10.7. In the process, I saw some people having issues with compiler/assembler AVX support, Apple's ancient GPLv2 "as", and Xcode's LLVM. I succeeded in building and running GNU Radio using Xcode 4.

[Discuss-gnuradio] Questions

2012-05-05 Thread Amr Youssef
Hi , i have some questions : 1- In the following .cc file : ./gr-digital/lib/digital_crc32.cc Regarding CRC-32 , why the generated polynomial is of length 36 Bits instead of 32 Bits (as expected) ! " it is written as : // Automatically generated CRC function // polynomial: 0x104C11DB7 th

[Discuss-gnuradio] [Final] Making sure of uboot version

2012-05-05 Thread Sameh Yassin
Dear P. Balister, I needed to toggle gpio at the start and end of a function inside a software code to evaluate its performance. However, now I realize it is not accurate to do this from user space because extra delays will be introduced at kernel space. Therefore, I will change this approach a