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Re: [Discuss-gnuradio] WX GUI FFT sink on Raspberry Pi

From: Wayne Roberts
Subject: Re: [Discuss-gnuradio] WX GUI FFT sink on Raspberry Pi
Date: Fri, 7 Feb 2014 18:25:22 -0800

Seems more viable to run it on a more modern cpu, such as http://www.rtl-sdr.com/demonstrating-gqrx-running-beaglebone-black-rtl-sdr/

On Fri, Feb 7, 2014 at 2:12 AM, Tom Rondeau <address@hidden> wrote:
On Fri, Feb 7, 2014 at 1:18 AM, Jim Larsen <address@hidden> wrote:
> I installed GNU Radio version 3.7.2 on my Raspberry Pi from the Raspbian
> Jessie repository. It is working great for modeling a simple SSB receiver. I
> want to compare the CPU performance of the QT GUI Frequency Sink and the WX
> GUI FFT sink. The QT GUI Frequency display works fine. The WX GUI FFT window
> shows the controls but the FFT display is blank. Does anyone know a fix for
> this? The same flowgraph works fine with GNU Radio version 3.7.0 on my
> MacBook running Ubuntu 13.10.
> Regards,
> Jim Larsen

The RaspberryPi is a pretty light-weight processor. WxGUI does a lot
of processing in Python, and it could just be that the processor
stalls with the amount of work it's trying to handle.


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