Re: [Discuss-gnuradio] inserting code into top

On Wed, Sep 24, 2014 at 10:25 AM, <address@hidden> wrote:

Just as a follow-up, I have a flow-graph, simple_ra, that originates in GRC, but the Makefile that I use edits the generated code post-facto,

in an automated way, so that it's reproducible. My use-case is trivial--I'm just editing-in a version number into a title string, but the

general approach, well, generalizes.... :)
On 2014-09-24 10:22, Ryan Marlow wrote:
Hey All,
Thanks for the leads and advice.
Ryan

Vanush,

GRC will overwrite any changes you make to the generated Python file, so
you would want to do any custom programming outside that file. The
'__main__' code is only hit if you execute the file as the top level
program.

- Jeff

On 09/23/2014 07:52 PM, Vanush Vaswani wrote:
> Shouldn't he "cut" the code?
>
> On Wed, Sep 24, 2014 at 5:53 AM, Jeff Long <address@hidden> wrote:
>> The most straightforward way is to make a small Python program that calls
>> the class generated by GRC. Copy the autogenerated code after
>>
>> if __name__ == '__main__'
>>
>> into another file, and insert your logic before the tb.start() line.
>>
>> - Jeff
>>
>>
>> On 09/23/2014 03:14 PM, Martin Braun wrote:
>>>
>>> You might be able to trick the 'Variable' block into doing what you want.
>>>
>>> M
>>>
>>> On 23.09.2014 12:01, Ryan Marlow wrote:
>>>>
>>>> Hey All,
>>>> I'm trying to figure out if what I want to do is possible in GNU Radio
>>>> Companion or if there's a better way to achieve this functionality.
>>>> I have some code that I want to execute after all the blocks and
>>>> connections have been initialized in the top_block init()but before the
>>>> tb.Start(). Is there some way I can create a custom block that inserts
>>>> code into top_block.py at that point or inserts the code at the end of
>>>> the init()? I currently have my code running in gnuradio-runtime, but I
>>>> want to have this same functionality without altering the gnuradio trunk
>>>> code, hence why I'm thinking of a custom block that can insert the code
>>>> where I want.
>>>> Thanks,
>>>> Ryan Marlow
>>>>
>>>> --
>>>> Ryan L. Marlow
>>>> Research Assistant in CCM Lab <http://ccm.ece.vt.edu>
>>>> Virginia <http://www.vt.edu/> Polytechnic Institute and State University
>>>>
>>>>
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--

Ryan L. Marlow
Research Assistant in CCM Lab

Virginia Polytechnic Institute and State University
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Ryan L. Marlow
Research Assistant in CCM Lab

Virginia Polytechnic Institute and State University

From:	Ryan Marlow
Subject:	Re: [Discuss-gnuradio] inserting code into top_block.py
Date:	Wed, 24 Sep 2014 10:30:33 -0400

Re: [Discuss-gnuradio] inserting code into top_block.py