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GMU:Functions and Classes (Arduino) (view source)
Revision as of 10:57, 28 March 2017
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Motor rightMotor; // declare another object of the type „Motor“ called „rightMotor“ | Motor rightMotor; // declare another object of the type „Motor“ called „rightMotor“ | ||
'' | '' | ||
===Calling inner functions of a class (Methods)=== | |||
Imagine we want to drive the left motor with full throttle whereas the right motor should stop completely. | Imagine we want to drive the left motor with full throttle whereas the right motor should stop completely. | ||
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===Classes can contain other variables that can only be accessed „internally“=== | |||
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===A complete example === | |||
In order to construct a complete example we only have to include the „speed“-Function (see description above): | In order to construct a complete example we only have to include the „speed“-Function (see description above): | ||
'' | |||
// Defining a class for motor control | // Defining a class for motor control | ||
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}; | }; | ||
}; | }; | ||
'' | |||
Organizing classes in separate files | ===Organizing classes in separate files=== | ||
We can improve our program structure by putting classes in separate files. | We can improve our program structure by putting classes in separate files. | ||
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Enter the first line: | Enter the first line: | ||
'' | |||
#include „Arduino.h“ | #include „Arduino.h“ | ||
'' | |||
This line „links“ the file to the Arduino-specific features. | This line „links“ the file to the Arduino-specific features. | ||
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Include the following line in the top of your main file | Include the following line in the top of your main file | ||
'' | |||
#include „MotorControl.h“ | #include „MotorControl.h“ | ||
'' | |||
and write the rest of your program as usual. | and write the rest of your program as usual. | ||
More details on the concept | |||
===More details on the concept=== | |||
Classes can build up on each other (inheritance) | Classes can build up on each other (inheritance) | ||