Re: [Discuss-gnuradio] Mac gui

[Marcus Müller]

Hi Albin,

GUI interaction is usually a bit tricky. Generally, GNU Radio is also 
meant to be used as a library that your main application uses for signal 
processing, and you can get the raw samples in and out of your GNU Radio 
flowgraph from any native application, but I don't really think that's 
what you'd start off with.

If I had a recommendation: start off with the guided tutorials and the 
Qt visualizations in there. As a pretty easy, and in many cases 
performant enough, solution, use sockets, named FIFOs or ZMQ 
sinks/sources to exchange data between your Cocoa (or whatever) 
application and your (headless) GNU Radio application, running as a 
separate process. That makes building, modifying and debugging your 
signal processing separately from your GUI much easier, imho.

By the way, I think there might be some licensing issues if you link 
cocoa code against GPL'ed code, but that's basically only relevant if 
you start selling/distributing your program; if you just use a 
communication interface (rather than dirtectly linking against GNU 
Radio) you'd have two separate programs, which would inherently solve 
the licensing problem (you'd only need to guarantee your customers'/ 
software receivers' freedom to get, modify and distribute the source 
code for the GPL program).

Best regards,
Marcus


On 15.07.2015 12:43, Albin Stigö wrote:
> Hi,
>
> I'm pretty new to gnuradio so please bear with me if I have missed something.
>
> I finally managed to get everything up and running on my macbook pro
> yesterday (with funcube dongle pro+) and experimented with building an
> out of tree block.
>
> I'm interested in writing some instrumentation blocks using native os
> x gui apis (cocoa and opengl). I was wondering if anyone has
> experimented with this..? The way cocoa works makes it a bit difficult
> to load a gui from dynamic library. I was thinking about starting
> another process from the block and then supplying it with data via
> some ipc mechanism... Has anyone done some work in this area?
>
>
>
> --Albin
>
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