Re: [Discuss-gnuradio] Callback Function in Blocks for C++

[Dave NotTelling]

Take a look at https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/include/gnuradio/blocks/throttle.h#L57, https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/lib/throttle_impl.h#L49, and https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/lib/throttle_impl.cc#L70 as an example.  The XML is at https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/grc/blocks_throttle.xml#L13

On Tue, Mar 20, 2018 at 12:40 PM, Luis Felipe Albarracin Sanchez <address@hidden> wrote:

Hello Everyone,

I am trying to build a new block from scratch, that allows me to change parameter values while the flowgraph is running.

I have found that for the .XML code i must use:

<callback>"Function"($XXX)</callback>

My question is, in the c++ code , besides creating the function and applying values to the parameter, do i need to do something else so the callback work?

Thanks for the response.

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