Re: [Discuss-gnuradio] gnuradio Companion and Ettus E310, passing parameters

[Philip Balister]

I'm going to publish a test image with control port for the e310 next
week. I'm upstreaming the changes to OE now and and should be possible
to build GNU Radio with control easily "soon".

Philip

On 01/07/2016 03:30 PM, Tom Rondeau wrote:
> On Thu, Jan 7, 2016 at 11:25 AM, Mike Gilmer <address@hidden> wrote:
> 
>> I'm running gnuradio companion on Fedora.  I can make the Ettus device UDP
>> to gnuradio Companion and display RF. Great.
>>
>> Now, if possible, I'd like to be able to use the Companion GUI to pass, in
>> real-time, parameter changes, like center frequency, sample rate/bandwidth,
>> etc. to the embedded device.
>>
>> Is this possible?
>> Mike
>>
> 
> This is one of the exact use cases we developed ControlPort for. Right now,
> it's not going to be the easiest to use. I think Philip has gotten all of
> the support for ControlPort into OE at this point, but I'm not sure what it
> would take to update your E310 to enable this support right now (I did it
> myself, but that's a process...). Also, you'll need the most current GNU
> Radio to really support this. However, if you do get all set up with
> everything, there are some example scripts to help you out. See:
> 
> https://github.com/gnuradio/gnuradio/tree/master/gr-blocks/examples/ctrlport
> 
> The usrp_{source,sink}_controller.py code is a command-line program that
> connects to a running GNU Radio app with ControlPort enabled that allows
> you to set the parameters of a UHD source or sink. So you have an app
> running on your E310, you can use this to change the frequency, gain,
> antenna, etc.
> 
> This isn't the same as building something in GRC with sliders and such.
> You'll have to do more work than just that to get ControlPort to work that
> way for you.
> 
> Tom
> 
> 
> 
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