Creating Python OOT with gr-modtool

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This tutorial was written using GNU Radio v3.10.1.1.

move to an appropriate directory for a new module create the oot-module, which is a collection of packages

$ gr_modtool newmod ootmodule

creates directory gr-ootmodule

Move into the directory:

$ cd gr-ootmodule

List all of the files and directories within the OOT module:

$ ls

The directory listing will be as follows:

apps/  cmake/  CMakeLists.txt  docs/  examples/  grc/  include/  lib/  MANIFEST.md  python/

now need to create a block within the OOT module. the block to be created will either add or subtract based on an input parameter.

$ gr_modtool add addSubtractSelector

Given a questionaire about how to define the block.

GNU Radio module name identified: ootmodule ('sink', 'source', 'sync', 'decimator', 'interpolator', 'general', 'tagged_stream', 'hier', 'noblock')