CExamples < IoT_Course_English

---+ The !TinyML examples written in C++

The !TinyML examples in C++, ported to the ESP32 can be found at https://github.com/espressif/tflite-micro-esp-examples/tree/master/examples
---++ Hello World

There you can also find procedure to get the examples compiled. Let's start with the hello_world example.

We must first tell the idf.py that we are using an !ESP32S3 chip:
<verbatim>idf.py set-target esp32s3</verbatim>

After that we may have to clean previous builds:
<verbatim>idf.py fullclean</verbatim>

and finally we can build the hello_world program:
<verbatim>idf.py build</verbatim>

Once the program is built we can flash it and connect the serial monitor to see the results:
<verbatim>idf.py flash monitor</verbatim>

The program repeatedly runs the induction for 20 angle values between 0 and 2&Pi;. These values can easily be captured by redirecting the output to a file. I then used an editor to prepare the data to be plotted with gnuplot.
<verbatim>idf.py flash monitor | tee results.txt</verbatim>

Finally I wrote a simple Python program calculating the correct 20 sine values, which allows to compare them to the results from TinyML.

<img alt="results.png" height="481" src="%ATTACHURL%/results.png" title="results.png" width="631" />

-- %USERSIG{UliRaich - 2023-09-02}%

---++ Comments

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This topic: IoT_Course_English > WebHome > TinyML > CExamples
Topic revision: r1 - 2023-09-02 - UliRaich