HCSR04 Class Reference

API for the HC-SR04 Ultrasonic Sensor. More...

Detailed Description

• ID: hcsr04
• Name: HC-SR04 Ultrasonic Sensor
• Category: sound
• Manufacturer: generic
• Connection: gpio

This module defines the HC-SR04 interface for libhcsr04

    public static void main(String[] args) throws InterruptedException {
        upm_hcsr04.HCSR04 sonar = new upm_hcsr04.HCSR04((short) 5, (short) 6);

        Thread.sleep(1000);

        while (true) {
            System.out.println("Get distance");
            double distance = sonar.getDistance(upm_hcsr04.javaupm_hcsr04Constants.CM);
            System.out.println("Distance: " + distance);

            Thread.sleep(5000);
        }
    }
}

Public Member Functions
synchronized void	delete ()
	HCSR04 (short triggerPin, short echoPin)
double	getDistance (int sys)
void	setM_doWork (short value)
short	getM_doWork ()
String	name ()

Constructor & Destructor Documentation

HCSR04	(	short	triggerPin,
		short	echoPin
	)

Instantiates an HCSR04 object

Parameters

triggerPin	Pin to trigger the sensor for distance
echoPin	Pulse response to triggering
fptr	Function pointer to handle rising-edge and falling-edge interrupts

Member Function Documentation

double getDistance

(

int

sys

)

Gets the distance from the sensor

short getM_doWork

(

)

Flag to control blocking function while waiting for a falling-edge interrupt

String name

(

)

Returns the name of the sensor

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The documentation for this class was generated from the following file:

• /var/lib/jenkins/workspace/upm-doc-stable/build-33/src/hcsr04/HCSR04.java