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diff --git a/source/arduino/include.rst b/source/arduino/include.rst deleted file mode 100644 index 37553f4..0000000 --- a/source/arduino/include.rst +++ /dev/null @@ -1,71 +0,0 @@ -.. highlight:: cpp - -.. _arduino-include: - -#include -======== - -``#include`` is used to include outside libraries in your sketch. -This gives the programmer access to a large group of standard C -libraries (groups of pre-made functions and data types), and also -libraries written especially for Maple. - -Example -------- - -This example (from the `Arduino LiquidCrystal Tutorial -<http://arduino.cc/en/Tutorial/LiquidCrystal>`_) includes a library -that is used to control :ref:`LCD displays <liquid-crystal>`:: - - // include the library code: - #include <LiquidCrystal.h> - - // initialize the library with the numbers of the interface pins - LiquidCrystal lcd(12, 11, 5, 4, 3, 2); - - void setup() { - // set up the LCD's number of columns and rows: - lcd.begin(16, 2); - // Print a message to the LCD. - lcd.print("hello, world!"); - } - - void loop() { - // set the cursor to column 0, line 1 - // (note: line 1 is the second row, since counting begins with 0): - lcd.setCursor(0, 1); - // print the number of seconds since reset: - lcd.print(millis()/1000); - } - -Note that a ``#include`` line, like :ref:`#define <arduino-define>`, -has **no semicolon**. The compiler will print strange error messages -if you add one. - -C Standard Library ------------------- - -The standard C library that comes with Maple is called `newlib -<http://sourceware.org/newlib/>`_. Its main sources of documentation -are its `main reference <http://sourceware.org/newlib/libc.html>`_ -page and its `math functions -<http://sourceware.org/newlib/libm.html>`_ reference page. Here's an -example that imports the math.h library in order to take the `cube -root <http://en.wikipedia.org/wiki/Cube_root>`_ of a number:: - - #include <math.h> - - void setup() { - // no setup necessary - } - - void loop() { - // "cbrt" stands for "cube root" - double cubeRootOf3 = cbrt(3.0); - // prints a number that is approximately the cube root of 3: - SerialUSB.println(cubeRootOf3); - } - - - -.. include:: cc-attribution.txt
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