Re: [Discuss-gnuradio] B200mini and Raspberry Pi 2 Connectivity

[Martin Braun]

You probably want to cross-compile GNU Radio on your desktop machine /
laptop. I'm not sure if we ship that specific toolchain file, but the
RPi2 is such a popular platform, there must be tons of instructions for
doing this.

Cheers,
Martin

On 02/24/2016 03:18 PM, Patrick Sathyanathan wrote:
> Hi Michael,
>  
> To get GNUradio to build correctly from source on the RPi2 you need to
> do a couple of things:
> 
> 1. Increase the swap space on the device
> 2. Build single threaded (make -j 1)
> 3. Make a source fix in one of the volk ARM asm files. Did you run into
> this error when you tried your build ?
>  
> BTW the RPi2 is able to handle the 2.4Msps sample rate of an RTL-SDR
> dongle. And about the same rate for the sdrplay and airspy. It does not
> handle higher sample rates supported by B200mini etc.
>  
> --Patrick
>  
> ------------------------------------------------------------------------
> Date: Wed, 24 Feb 2016 15:26:40 -0500
> From: address@hidden
> To: address@hidden
> Subject: [Discuss-gnuradio] B200mini and Raspberry Pi 2 Connectivity
> 
> Hello all,
> 
> After sorting out my power issues with the B200mini (it required a dual
> USB to 3.0 mini cable, due to browning out the single USB 3.0
> connection), I'm now trying to connect my B200mini to a Raspberry Pi 2.
> 
> I was excited when I found that Raspbian has a gnuradio and gnuradio-dev
> package available, but that excitement quickly faded when I found that
> it was GNURadio version 3.7.5 and UHD version 3.007.003. I'm not sure if
> the GNURadio version is an issue, but I know that UHD 3.007.003 is far
> too old to recognize the B200mini (I tried multiple times before
> realizing my problem).
> 
> The GNURadio package on Raspbian works like a charm, but cannot detect
> the B200mini due to UHD. I have installed UHD from source on the RPi2,
> and successfully probed the B200mini, but could not get GNURadio to
> compile from source correctly. If I install a newer version of UHD after
> installing the gnuradio and gnuradio-dev packages, I get the
> "uhd_find_devices: undefined symbol" error.
> 
> I'm trying to find a middle ground. My question is, is there a way that
> I can update the Raspbian package of UHD that it could both detect the
> B200mini and I can use GNURadio Companion?
> 
> Thanks,
> Michael
> 
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