GMU:Functions and Classes (Arduino): Difference between revisions

GMU:Functions and Classes (Arduino) (view source)

Revision as of 11:42, 28 March 2017

215 bytes added , 28 March 2017

→‎A complete example

Veja6203

513

edits

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-''
-// Defining a class for motor control
+// Defining a class for motor control
 class MotoMamaMotor {
-private: // the following definitions are only of „internal use“ for the class itself
-int forwardPin; //Every MotoMamaMotor type Object has its own forwardPin
-int reversePin;
-int throttlePin;
-public: // the following qualities and methods are visible from the outside.
+  private: // the following definitions are only of „internal use“ for the class itself
-//  This setup-Function has to be called before using the motor control
+    int forwardPin; //Every MotoMamaMotor type Object has its own forwardPin
-void setup(int newForwardPin, int newReversePin, int newThrottlePin){
+    int reversePin;
-// we remember the pins for future use
+    int throttlePin;
-forwardPin=newForwardPin;
-reversePin=newReversePin;
-throttlePin=newThrottlePin;
-// and at the same time we initialize the outputs !
-digitalWrite(throttlePin,LOW); //  so that the motors don’t spin directly from the beginning ..
-pinMode(forwardPin,OUTPUT);
-pinMode(reversePin,OUTPUT);
-pinMode(throttlePin,OUTPUT);
-}
-// this Function allows to control the motor speed
+  public: // the following qualities and methods are visible from the outside.
-void setThrottle (int newThrottle){
+    //  This setup-Function has to be called before using the motor control
-if (newThrottle>0){ // should it spin forwards or backwards?
+    void setup(int newForwardPin, int newReversePin, int newThrottlePin) {
-// spin forwards
+      // we remember the pins for future use
-digitalWrite(reversePin,LOW);
+      forwardPin = newForwardPin;
-digitalWrite(forwardPin,HIGH);
+      reversePin = newReversePin;
-}else{
+      throttlePin = newThrottlePin;
-// spin backwards
+      // and at the same time we initialize the outputs !
-digitalWrite(forwardPin,LOW);
+      digitalWrite(throttlePin, LOW); //  so that the motors don’t spin directly from the beginning ..
-digitalWrite(reversePin,HIGH);
+      pinMode(forwardPin, OUTPUT);
-}
+      pinMode(reversePin, OUTPUT);
-// adjust the speed:
+      pinMode(throttlePin, OUTPUT);
-analogWrite(throttlePin, newThrottle);
+    }
-}
+    // this Function allows to control the motor speed
+    void setThrottle (int newThrottle) {
+      if (newThrottle > 0) { // should it spin forwards or backwards?
+        // spin forwards
+        digitalWrite(reversePin, LOW);
+        digitalWrite(forwardPin, HIGH);
+      } else {
+        // spin backwards
+        digitalWrite(forwardPin, LOW);
+        digitalWrite(reversePin, HIGH);
+      }
+      // adjust the speed:
+      analogWrite(throttlePin, newThrottle);
+    }
 };
 // create two separate MotoMamaMotor type Objects (leftMotor, rightMotor). They can be used as normal variables.
 MotoMamaMotor leftMotor;
 MotoMamaMotor rightMotor;
-void setup(){  // this is our „main“ setup Function
+void setup() { // this is our „main“ setup Function
-leftMotor.setup(3,4,5);  // assign the pin numbers for each motor in the setup Function: setup(int newForwardPin, int newReversePin, int newThrottlePin)
+  leftMotor.setup(3, 4, 5); // assign the pin numbers for each motor in the setup Function: setup(int newForwardPin, int newReversePin, int newThrottlePin)
-rightMotor.setup(6,7,8);
+  rightMotor.setup(6, 7, 8);
 };
-void loop(){  // this is our „main“ loop Function where concrete actions are executed. For example:
+void loop() { // this is our „main“ loop Function where concrete actions are executed. For example:
-// Start backwards, slow down and accelerate forwards
+  // Start backwards, slow down and accelerate forwards
-for (int i =-255, i<=255;i++){
+  for (int i = -255, i <= 255; i++) {
-leftMotor.setThrottle(i);
+    leftMotor.setThrottle(i);
-rightMotor.setThrottle(i);
+    rightMotor.setThrottle(i);
+  };
+  // Start forwards, slow down and accelerate backwards
+  for (int i = 255, i >= -255; i--) {
+    leftMotor.setThrottle(i);
+    rightMotor.setThrottle(i);
+  };
 };
-// Start forwards, slow down and accelerate backwards
-for (int i =255, i>=-255;i--){
-leftMotor.setThrottle(i);
-rightMotor.setThrottle(i);
-};
-};
-''
 ==Organizing classes in separate files==