Re: [Discuss-gnuradio] Function Probe and OOT Blocks

[Patrick Sathyanathan]

Attaching reply as text since outlook.com insists on eating XML and formatting.


--Patrick

________________________________
> From: address@hidden 
> Date: Thu, 24 Sep 2015 10:35:34 -0700 
> To: address@hidden 
> CC: address@hidden 
> Subject: Re: [Discuss-gnuradio] Function Probe and OOT Blocks 
> 
> Hi David: 
> 
> I'm a relative newbie myself, but I can say that I had this same issue. 
> I had a block with a static parameter that I wanted to be able to 
> change dynamically at runtime. 
> 
> I looked at the block's source code, and also at a block that had a 
> dynamically adjustable parameter. 
> 
> Basically, and with a little help from the list (Marcus Muller in 
> particular) as I had to learn c++, I was able to use the code from the 
> dynamic block as an example, and modify the static block to change the 
> parameter to be dynamically changeable. It all came down to at most a 
> couple dozen lines of code. The bigger challenge was learning about 
> Gnuradio's architecture, to know what to do. 
> 
> I would suggest a similar approach. You will find the list members 
> very helpful. I'd also look at the guided tutorials, there are good 
> examples there under "how to write a c++ block". 
> 
> I will help if I can but alas, I am still quite a newbie, so others 
> will be able to help much more efficiently! 
> 
> Kevin 
> 
> Sent from my iPad 
> 
> On Sep 23, 2015, at 4:12 AM, David Halls 
> <address@hidden<mailto:address@hidden>> 
> wrote: 
> 
> 
> ​Hi guys, 
> 
> 
> I am familiar with using function probes to update values to blocks. 
> This is straightforward with built in blocks like Multiply Const, where 
> the input is underline in the GRC dialogue box. 
> 
> 
> How do I create a block, specifically a Python block, that allows me to 
> update parameters in this fashion so that they are not fixed at 
> runtime? 
> 
> 
> Regards, 
> 
> 
> David 
> 
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