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.. highlight:: cpp
.. _lang-setup:
setup()
=======
The ``setup()`` function is called when a sketch starts. Use it to
initialize :ref:`variables <lang-variables>`, :ref:`pin modes
<lang-pinmode>`, start using :ref:`libraries <libraries>`, etc. The
``setup()`` function will only run once, after each power-up or reset
of the Maple board.
Example
-------
::
int buttonPin = 38;
void setup() {
pinMode(buttonPin, INPUT);
}
void loop() {
// ...
}
.. include:: /arduino-cc-attribution.txt
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