diff options
Diffstat (limited to 'source/arduino/digitalread.rst')
-rw-r--r-- | source/arduino/digitalread.rst | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/source/arduino/digitalread.rst b/source/arduino/digitalread.rst deleted file mode 100644 index daf04f8..0000000 --- a/source/arduino/digitalread.rst +++ /dev/null @@ -1,61 +0,0 @@ -.. highlight:: cpp - -.. _arduino-digitalread: - -digitalRead() -============= - -Description ------------ - -Reads the value from a specified digital pin, either :ref:`HIGH -<arduino-constants-high>` or :ref:`LOW <arduino-constants-low>`. - - -Library Documentation ---------------------- - -.. doxygenfunction:: digitalRead - - -Example -------- - -The following example turns the LED on when the button is pressed:: - - int ledPin = 13; // LED connected to Maple pin 13 - int buttonPin = 38; // BUT connected to Maple pin 38 - - void setup() { - pinMode(ledPin, OUTPUT); - pinMode(buttonPin, INPUT); - } - - void loop() { - int val = digitalRead(buttonPin); // reads the input pin - digitalWrite(ledPin, val); - } - -Note ----- - -If the pin isn't connected to anything, ``digitalRead()`` can return -either HIGH or LOW (and this can change in a way that seems random). - -Arduino Compatibility ---------------------- - -The Maple version of ``digitalRead()`` is compatible with Arduino. - - -See Also --------- - -- :ref:`pinMode <arduino-pinMode>` -- :ref:`digitalWrite <arduino-digitalWrite>` - - - - - -.. include:: cc-attribution.txt
\ No newline at end of file |