Package com.diozero.internal.provider.builtin

Class SysFsDigitalInputDevice

java.lang.Object

com.diozero.internal.spi.AbstractDevice

com.diozero.internal.spi.AbstractInputDevice<DigitalInputEvent>

com.diozero.internal.provider.builtin.SysFsDigitalInputDevice

All Implemented Interfaces:

DeviceInterface, GpioDeviceInterface, GpioDigitalDeviceInterface, GpioDigitalInputDeviceInterface, InternalDeviceInterface, PollEventListener, AutoCloseable

public class SysFsDigitalInputDevice
extends AbstractInputDevice<DigitalInputEvent>
implements GpioDigitalInputDeviceInterface, PollEventListener

Pure Java implementation using the sysfs (/sys/class/gpio) kernel module.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	gpio

Constructor Summary

Constructors

Constructor	Description
SysFsDigitalInputDevice(DefaultDeviceFactory deviceFactory, String key, PinInfo pinInfo, GpioEventTrigger trigger)

Method Summary

Modifier and Type	Method	Description
protected void	closeDevice()
protected void	disableListener()
protected void	enableListener()
int	getGpio()
boolean	getValue()
void	notify(long epochTime, long nanoTime, char value)
void	setDebounceTimeMillis(int debounceTime)

Methods inherited from class com.diozero.internal.spi.AbstractInputDevice

accept, generatesEvents, isListenerEnabled, removeListener, setListener

Methods inherited from class com.diozero.internal.spi.AbstractDevice

close, getDeviceFactory, getKey, isChild, isOpen, setChild

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.diozero.api.DeviceInterface

close

Methods inherited from interface com.diozero.internal.spi.GpioDigitalInputDeviceInterface

getMode, removeListener, setListener

Methods inherited from interface com.diozero.internal.spi.InternalDeviceInterface

getKey, isChild, isOpen, setChild

Field Detail

gpio

protected int gpio

Constructor Detail

SysFsDigitalInputDevice

public SysFsDigitalInputDevice(DefaultDeviceFactory deviceFactory,
                               String key,
                               PinInfo pinInfo,
                               GpioEventTrigger trigger)

Method Detail

getGpio

public int getGpio()

Specified by:

getGpio in interface GpioDeviceInterface

getValue

public boolean getValue()
                 throws RuntimeIOException

Specified by:

getValue in interface GpioDigitalDeviceInterface

Throws:

RuntimeIOException

setDebounceTimeMillis

public void setDebounceTimeMillis(int debounceTime)

Specified by:

setDebounceTimeMillis in interface GpioDigitalInputDeviceInterface

enableListener

protected void enableListener()

Overrides:

enableListener in class AbstractInputDevice<DigitalInputEvent>

disableListener

protected void disableListener()

Overrides:

disableListener in class AbstractInputDevice<DigitalInputEvent>

closeDevice

protected void closeDevice()
                    throws RuntimeIOException

Overrides:

closeDevice in class AbstractInputDevice<DigitalInputEvent>

Throws:

RuntimeIOException

notify

public void notify(long epochTime,
                   long nanoTime,
                   char value)

Specified by:

notify in interface PollEventListener