Custom processing block example (C++)

This is an example of a custom processing block, which you can load in the Edge Impulse studio. See the docs: Building custom processing blocks. The features in this block are implemented in C++, then exposed to Python using pybind11. The Python code spins up a web server, which Edge Impulse then talks to.

C++ Bindings

The library folder contains a C++ library (cpp/test.hpp) with Python bindings (py/eicpp.cpp). To test it out quickly (verified on macOS):

1. Install pybind11 and a recent version of CMake.

2. Build the library:

   sh library/build-library.sh
   

3. Run the example:

   python3 library/py/test.py
   

Running the block locally (Docker)

1. Build and run the container:

   docker build -t custom-block-cpp . && \
       docker run --rm -it -v $PWD/server:/app/server -p 4446:4446 custom-block-cpp
   

2. To add the block to Edge Impulse, see Exposing the processing block to the outside world.

Hosting the block in Edge Impulse

See Hosting custom DSP blocks.