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Re: [Discuss-gnuradio] Callback from C++ to Python Passing gr_message_sp
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] Callback from C++ to Python Passing gr_message_sptr |
Date: |
Wed, 3 Jan 2007 00:57:27 -0800 |
User-agent: |
Mutt/1.5.9i |
On Wed, Jan 03, 2007 at 04:19:24PM +0800, Jeremy Chew wrote:
> Hi,
>
> I'm working on a C++ extension.
>
> How can we use SWIG to program a callback from C++ to Python that passes a
> gr_message_sptr? I'm trying to avoid polling the C++ module from Python
> code.
>
> Rgds,
> Jeremy
Look at the code in gr_feval.{h,cc,i}, and the test code in qa_feval.py.
It currently supports callbacks from C++ to python using double,
complex, long and void. Passing a gr_message_sptr is completely analogous.
Eric