package lejos.nxt.addon;
import lejos.nxt.I2CPort;
import lejos.nxt.I2CSensor;
/*
* WARNING: THIS CLASS IS SHARED BETWEEN THE classes AND pccomms PROJECTS.
* DO NOT EDIT THE VERSION IN pccomms AS IT WILL BE OVERWRITTEN WHEN THE PROJECT IS BUILT.
*/
/**
* HiTechnic IRSeeker sensor - untested.
* www.hitechnic.com
*
*/
public class IRSeeker extends I2CSensor {
byte[] buf = new byte[1];
public IRSeeker(I2CPort port)
{
super(port);
}
/**
* Returns the direction of the target (1-9)
* or zero if no target.
*
* @return direction
*/
public int getDirection() {
int ret = getData(0x42, buf, 1);
if(ret != 0) return -1;
return (0xFF & buf[0]);
}
/**
* Returns value of sensor 1 - 5.
*
* @return sensor value (0 to 255).
*/
public int getSensorValue(int id) {
if (id <= 0 || id > 5) return -1;
int ret = getData(0x42 + id, buf, 1);
if(ret != 0) return -1;
return (0xFF & buf[0]);
}
}