📄 ultrasonicsensor.java
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package lejos.nxt;/** * * Abstraction for a NXT Ultrasonic Sensor. * */public class UltrasonicSensor extends I2CSensor { byte[] buf = new byte[1]; public UltrasonicSensor(I2CPort port) { super(port); } /** * Return distance of object. * * @return distance or 255 if no object in range */ public int getDistance() { int ret = getData(0x42, buf, 1); return (ret == 0 ? (buf[0] & 0xff) : 255); }}
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