Arduino Programming in 24 Hours, Sams Teach Yourself by Blum Richard

Author:Blum, Richard [Blum, Richard]
Language: eng
Format: azw3, epub
Publisher: Pearson Education
Published: 2014-08-07T16:00:00+00:00

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Try It Yourself: Creating the Library Code File

Let’s create a library of simple math functions that we can import into our sketches. Follow these steps:

1. Open a standard text editor on your system (such as Notepad in Windows or TextEdit on OS X).

2. Enter this code into the text editor window:

Click here to view code image

#ifndef MyLib_h

#define MyLib_h

#include "Arduino.h"

class MyLibClass {

public:

int addem(int, int);

int subem(int, int);

int multem(int, int);

};

extern MyLibClass MyLib;

#endif

3. Save the file to your desktop (or some other common folder) as MyLib.h.

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