stamp.peripheral.sensor.range
Class SRF04

java.lang.Object
  |
  +--stamp.peripheral.sensor.range.SRF04

public final class SRF04

extends Object

This class provides an interface to the Devantech SRF04 ultrasonic range finder module.

Usage:
SRF04 range = new SRF04(CPU.pin0, CPU.pin1); // trigger on P0; ehco on P1

Detailed documentation for the SRF04 can be found at:
http://www.robot-electronics.co.uk

The SRF04 can be purchased from Acroname at:
http://www.acroname.com/robotics/parts/R93-SRF04.html

Constructor Summary

SRF04(int triggerPin, int echoPin)
Creates SRF04 range finder object

Method Summary

int	getCm()
int	getIn()
int	getIn10()
int	getMm()
int	getRaw() Returns raw distance value from SRF04.

Methods inherited from class java.lang.Object

equals

Constructor Detail

SRF04

public SRF04(int triggerPin,
             int echoPin)

Creates SRF04 range finder object

Parameters:

triggerPin - SRF04 trigger input (from Javelin)

echoPin - SFR04 echo output (to Javelin)

Method Detail

getRaw

public int getRaw()

Returns raw distance value from SRF04. Sensor is sampled five times and the average is returned if in range, otherwise zero is returned to indicate out-of-range reading.

Returns:

Raw distance value from SRF04

getIn

public int getIn()

Returns:

SRF04 distance value in inches

getIn10

public int getIn10()

Returns:

SRF04 distance value in tenths of inches

getCm

public int getCm()

Returns:

SRF04 distance value in centimeters

getMm

public int getMm()

Returns:

SRF04 distance value in millimeters