This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.
| Class | |
|---|---|
| Name | attached() |
| Examples |
import processing.io.*;
SoftwareServo servo;
void setup() {
servo = new SoftwareServo(this);
servo.attach(4);
// On the Raspberry Pi, GPIO 4 is pin 7 on the pin header,
// located on the fourth row, above one of the ground pins
}
void draw() {
// we don't go right to the edge to prevent
// making the servo unhappy
float angle = 90 + sin(frameCount / 100.0)*85;
servo.write(angle);
}
void keyPressed() {
// press a key to release or re-attach the motor
if (servo.attached()) {
servo.detach();
} else {
servo.attach(4);
}
}
|
| Description | Returns whether a servo motor is attached to a pin |
| Syntax | .attached() |
| Returns | boolean |
