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Re: [Discuss-gnuradio] Installing GNURadio On Raspberry Pi

From: P C
Subject: Re: [Discuss-gnuradio] Installing GNURadio On Raspberry Pi
Date: Tue, 7 May 2019 21:29:53 -0500
User-agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1


I am sorry if I came across as cynical and sarcastic.  I didn't mean to.  I really wanted to know if anyone could make GNURadio work on a RPi.

I'll be the first to say I know nothing about Linux and Python. However, I created the flow graph I need on my windows computer months ago and have been trying ever since to get it to work reliably on my RPi.  I experienced repeated segment faults, malloc faults, failure to have the osmocom block I needed, etc.

Since I asked the question here I have gotten help, very good help and  still no luck.  In addition I did so many installs and removes my SD card is to the point it just needs to be reformatted and rebuilt.

But I did discover during the process that the culprit is the osmocom/rtlsdr block.   No matter how I install it, my flow graph just won't run when it is enabled.

Luckily during this process, last night, I discovered that I don't need the osmocom/rtlsdr block.  I can get the stream from my rtlsdr using the command:
rtl-sdr -f xxxx -s xxxx /tmp/aFIFO
where a FIFO is created with mkfifo aFIFO.  Then read the FIFO with a file source block.

It might not have as good a SNR as on windows but I think I can adjust some filtering and move some gains around and it will be acceptable.

So, I'm off and running to complete my project and I'm not looking back (I hope).

Maybe if I need to do this for another project I'll start over. It looks like Glen and Marcus are using Ubuntu where as I have been using Raspbian.  I'll go that route next time.



On 5/7/2019 3:20 PM, Ben Hilburn wrote:
Hi Pete -

Yes, I personally know of multiple. Albin's work of implementing volk kernels for TujaSDR <https://tujasdr.com/>, shared here on the list with some regularity, is an excellent example.

On Wed, May 1, 2019 at 5:32 PM P C <address@hidden <mailto:address@hidden>> wrote:

    Problem Solved! .....NOT!
    Tell me, is anyone running GNURadio on a Raspberry Pi (3-B) using an
    RTL-SDR dongle?
    I thought I cured my problems then the next day, more problems.
    This is what I thought fixed my problem (but later, didn't).

This kind of thing can be difficult to debug, but please refrain from cynical sarcasm here - especially if you want help and support.

If you're willing to share your progress and current issues, I'm sure there are people willing to provide some thoughts.


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