Package com.diozero.internal.provider.builtin.gpio

Class GpioChip

java.lang.Object

com.diozero.internal.provider.builtin.gpio.GpioChipInfo

com.diozero.internal.provider.builtin.gpio.GpioChip

All Implemented Interfaces:

GpioLineEventListener, AutoCloseable

public class GpioChip
extends GpioChipInfo
implements AutoCloseable, GpioLineEventListener

Field Summary

Fields

Modifier and Type	Field	Description
static int	GPIOEVENT_EVENT_FALLING_EDGE
static int	GPIOEVENT_EVENT_RISING_EDGE

Method Summary

Modifier and Type	Method	Description
void	close()
void	deregister(int fd)
void	event(int fd, int eventDataId, long epochTimeMs, long timestampNanos)
void	eventNotUsed(int fd, int eventDataId, long epochTimeMs, long timestampNanos)
int	getChipId()
static List<GpioChipInfo>	getChips()
GpioLine	getLineByName(String name)
int	getLineOffset()
GpioLine[]	getLines()
static Map<Integer,GpioChip>	openAllChips()
static GpioChip	openChip(int chipNum)
static GpioChip	openChip(String chipDeviceFile)
GpioLine	provisionGpioInputDevice(int offset, GpioPullUpDown pud, GpioEventTrigger trigger)
GpioLine	provisionGpioOutputDevice(int offset, int initialValue)
void	register(int fd, GpioLineEventListener listener)

Methods inherited from class com.diozero.internal.provider.builtin.gpio.GpioChipInfo

getLabel, getName, getNumLines

Methods inherited from class java.lang.Object

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

Field Detail

GPIOEVENT_EVENT_RISING_EDGE

public static final int GPIOEVENT_EVENT_RISING_EDGE

See Also:

Constant Field Values

GPIOEVENT_EVENT_FALLING_EDGE

public static final int GPIOEVENT_EVENT_FALLING_EDGE

See Also:

Constant Field Values

Method Detail

openAllChips

public static Map<Integer,GpioChip> openAllChips()
                                                throws IOException

Throws:

IOException

getChips

public static List<GpioChipInfo> getChips()

openChip

public static GpioChip openChip(int chipNum)

openChip

public static GpioChip openChip(String chipDeviceFile)

getChipId

public int getChipId()

getLineOffset

public int getLineOffset()

getLines

public GpioLine[] getLines()

getLineByName

public GpioLine getLineByName(String name)

provisionGpioInputDevice

public GpioLine provisionGpioInputDevice(int offset,
                                         GpioPullUpDown pud,
                                         GpioEventTrigger trigger)

provisionGpioOutputDevice

public GpioLine provisionGpioOutputDevice(int offset,
                                          int initialValue)

close

public void close()

Specified by:

close in interface AutoCloseable

register

public void register(int fd,
                     GpioLineEventListener listener)

deregister

public void deregister(int fd)

event

public void event(int fd,
                  int eventDataId,
                  long epochTimeMs,
                  long timestampNanos)

Specified by:

event in interface GpioLineEventListener

eventNotUsed

public void eventNotUsed(int fd,
                         int eventDataId,
                         long epochTimeMs,
                         long timestampNanos)