Re: [Discuss-gnuradio] Adding my blocks to GRC

[Josh Blum]

Karthik,

Maybe this is relevant, the guide to making hier blocks in grc: 
http://gnuradio.org/trac/wiki/GNURadioCompanion#HierarchicalBlocks

But thats not the same as making block wrappers for your own gr blocks. 
Until I make the guide, this is my advice:

1) Model your blocks after the 
gnuradio/grc/data/platforms/python/blocks/*.xml

2) Do not bother with the block tree, inside the custom block wrapper 
add a category tag right after the key tag:

<block>
        <name>My name</name>
        <key>key or unique identifier</key>
        <category>/Misc</category>
        
The category is just a unix like path. It will organize your block into 
the block selection window. You can have any level of categories, even 
make new ones.

3) You do not have to install your custom block wrapper, just copy it to 
~/.grc_gnuradio/ directory. GRC will load it at runtime.

-Josh


Karthik Vijayraghavan wrote:
> I installed gnuradio from the trunk for using grc which is now bundled
> with gnuradio. I am trying to add my own block to the list of blocks
> that are available in grc. I saw a list of templates in
> gnuradio/grc/data/platforms/python/blocks/ . There are a whole bunch
> of block-templates there and I think I will be able to figure out how
> to write the xml templates for my own block. In addition to that I saw
> gnuradio/grc/data/platforms/python/blocks/block_tree.xml which lists
> how the blocks are arranged, so I think I should insert my block there
> once I create its template. Is there more to this?
>
> Thanks,
> Karthik
>
>
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