tijos.framework.sensor.hcsr

Class TiHCSR04

java.lang.Object

tijos.framework.sensor.hcsr.TiHCSR04

All Implemented Interfaces:

ITiEventListener

public class TiHCSR04
extends Object
implements ITiEventListener

Constructor Summary

Constructors

Constructor and Description
TiHCSR04(TiGPIO gpio, int trigPinID, int echoPinID) TiHCSR04 initialization

Method Summary

Modifier and Type	Method and Description
double	getDistance() Gets the distance, unit:m
int	getEchoPinID() Gets the echo pin id
int	getTrigPinID() Gets the trig pin id
TiEventType	getType() the event type of the listener
void	measure() Startup distance measurement
void	onEvent(ITiEvent evt) triggered when the event occurs
void	setSpeed(double speed) Set the sound speed

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TiHCSR04

public TiHCSR04(TiGPIO gpio,
                int trigPinID,
                int echoPinID)
         throws IOException

TiHCSR04 initialization

Parameters:

gpio - TiGPIO object[IN]

trigPinID - trig pin id[IN]

echoPinID - echo id[IN]

Throws:

IOException

Method Detail

getDistance

public double getDistance()

Gets the distance, unit:m

Returns:

distance

getEchoPinID

public int getEchoPinID()

Gets the echo pin id

Returns:

pin id

getTrigPinID

public int getTrigPinID()

Gets the trig pin id

Returns:

pin id

getType

public TiEventType getType()

Description copied from interface: ITiEventListener

the event type of the listener

Specified by:

getType in interface ITiEventListener

Returns:

event type

measure

public void measure()
             throws IOException

Startup distance measurement

Throws:

IOException

onEvent

public void onEvent(ITiEvent evt)

Description copied from interface: ITiEventListener

triggered when the event occurs

Specified by:

onEvent in interface ITiEventListener

Parameters:

evt - event object

setSpeed

public void setSpeed(double speed)

Set the sound speed

Parameters:

speed - current speed,default:340