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Diffstat (limited to 'docs/source/lang/api/digitalread.rst')
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diff --git a/docs/source/lang/api/digitalread.rst b/docs/source/lang/api/digitalread.rst deleted file mode 100644 index ccf4a4c..0000000 --- a/docs/source/lang/api/digitalread.rst +++ /dev/null @@ -1,51 +0,0 @@ -.. highlight:: cpp - -.. _lang-digitalread: - -digitalRead() -============= - -Reads the value from a specified digital pin, either :ref:`HIGH -<lang-constants-high>` or :ref:`LOW <lang-constants-low>`. - -Library Documentation ---------------------- - -.. doxygenfunction:: digitalRead - -Discussion ----------- - -If the pin isn't connected to anything, ``digitalRead()`` can return -either HIGH or LOW (and this will change in a way that seems random). - -Example -------- - -The following example turns the LED on or off when the button is pressed:: - - void setup() { - pinMode(BOARD_LED_PIN, OUTPUT); - pinMode(BOARD_BUTTON_PIN, INPUT); - } - - void loop() { - int val = digitalRead(BOARD_BUTTON_PIN); // reads the input pin - togglePin(BOARD_LED_PIN, val); - } - -Arduino Compatibility ---------------------- - -The Maple version of ``digitalRead()`` is compatible with Arduino. - -See Also --------- - -- :ref:`BOARD_BUTTON_PIN <lang-board-values-but>` -- :ref:`lang-isButtonPressed` -- :ref:`lang-pinmode` -- :ref:`lang-digitalWrite` -- :ref:`lang-togglepin` - -.. include:: /arduino-cc-attribution.txt |