com.pi4j.io.gpio.impl

Class GpioPinImpl

java.lang.Object

com.pi4j.io.gpio.impl.GpioPinImpl

All Implemented Interfaces:

GpioPin, GpioPinAnalog, GpioPinAnalogInput, GpioPinAnalogOutput, GpioPinDigital, GpioPinDigitalInput, GpioPinDigitalMultipurpose, GpioPinDigitalOutput, GpioPinInput, GpioPinOutput, GpioPinPwm, GpioPinPwmOutput

public class GpioPinImpl
extends Object
implements GpioPin, GpioPinDigitalInput, GpioPinDigitalOutput, GpioPinDigitalMultipurpose, GpioPinAnalogInput, GpioPinAnalogOutput, GpioPinPwmOutput, GpioPinInput, GpioPinOutput

Field Summary

Fields

Modifier and Type	Field and Description
protected int	NO_DEBOUCE

Constructor Summary

Constructors

Constructor and Description
GpioPinImpl(GpioController gpio, GpioProvider provider, Pin pin)

Method Summary

Modifier and Type	Method and Description
void	addListener(GpioPinListener... listener)
void	addListener(List<? extends GpioPinListener> listeners)
void	addTrigger(GpioTrigger... trigger)
void	addTrigger(List<? extends GpioTrigger> triggers)
Future<?>	blink(long delay)
Future<?>	blink(long delay, long duration)
Future<?>	blink(long delay, long duration, PinState blinkState)
Future<?>	blink(long delay, PinState blinkState)
void	clearProperties()
void	export(PinMode mode)
void	export(PinMode mode, PinState defaultState)
int	getDebounce(PinState state) Gets the configured debounce delay interval (in milliseconds) for the given pin state.
Collection<GpioPinListener>	getListeners()
PinMode	getMode()
String	getName()
Pin	getPin()
Map<String,String>	getProperties()
String	getProperty(String key)
String	getProperty(String key, String defaultValue)
GpioProvider	getProvider()
PinPullResistance	getPullResistance()
int	getPwm() If this is a hardware PWM pin, the value will be between a range of 0 to 1024.
GpioPinShutdown	getShutdownOptions()
PinState	getState()
Object	getTag()
Collection<GpioTrigger>	getTriggers()
double	getValue()
boolean	hasDebounce(PinState state) Determines if a debounce delay interval has been configured for the given pin state.
boolean	hasListener(GpioPinListener... listener)
boolean	hasProperty(String key)
void	high()
boolean	isExported()
boolean	isHigh()
boolean	isLow()
boolean	isMode(PinMode mode)
boolean	isPullResistance(PinPullResistance resistance)
boolean	isState(PinState state)
void	low()
Future<?>	pulse(long duration)
Future<?>	pulse(long duration, boolean blocking)
Future<?>	pulse(long duration, boolean blocking, Callable<Void> callback)
Future<?>	pulse(long duration, Callable<Void> callback)
Future<?>	pulse(long duration, PinState pulseState)
Future<?>	pulse(long duration, PinState pulseState, boolean blocking)
Future<?>	pulse(long duration, PinState pulseState, boolean blocking, Callable<Void> callback)
Future<?>	pulse(long duration, PinState pulseState, Callable<Void> callback)
void	removeAllListeners()
void	removeAllTriggers()
void	removeListener(GpioPinListener... listener)
void	removeListener(List<? extends GpioPinListener> listeners)
void	removeProperty(String key)
void	removeTrigger(GpioTrigger... trigger)
void	removeTrigger(List<? extends GpioTrigger> triggers)
void	setDebounce(int debounce) Sets the debounce delay interval (in milliseconds) for all pin states.
void	setDebounce(int debounce, PinState... state) Sets the debounce delay interval (in milliseconds) for the specified pin state.
void	setMode(PinMode mode)
void	setName(String name)
void	setProperty(String key, String value)
void	setPullResistance(PinPullResistance resistance)
void	setPwm(int value) Set the PWM value/rate to toggle the GPIO pin.
void	setPwmRange(int range) This sets the range register in the PWM generator.
void	setShutdownOptions(Boolean unexport)
void	setShutdownOptions(Boolean unexport, PinState state)
void	setShutdownOptions(Boolean unexport, PinState state, PinPullResistance resistance)
void	setShutdownOptions(Boolean unexport, PinState state, PinPullResistance resistance, PinMode mode)
void	setShutdownOptions(GpioPinShutdown options)
void	setState(boolean state)
void	setState(PinState state)
void	setTag(Object tag)
void	setValue(double value)
void	setValue(Number value)
void	toggle()
String	toString()
void	unexport()

Methods inherited from class java.lang.Object

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

Field Detail

NO_DEBOUCE

protected final int NO_DEBOUCE

See Also:

Constant Field Values

Constructor Detail

GpioPinImpl

public GpioPinImpl(GpioController gpio,
                   GpioProvider provider,
                   Pin pin)

Method Detail

getPin

public Pin getPin()

Specified by:

getPin in interface GpioPin

getProvider

public GpioProvider getProvider()

Specified by:

getProvider in interface GpioPin

setName

public void setName(String name)

Specified by:

setName in interface GpioPin

getName

public String getName()

Specified by:

getName in interface GpioPin

setTag

public void setTag(Object tag)

Specified by:

setTag in interface GpioPin

getTag

public Object getTag()

Specified by:

getTag in interface GpioPin

setProperty

public void setProperty(String key,
                        String value)

Specified by:

setProperty in interface GpioPin

hasProperty

public boolean hasProperty(String key)

Specified by:

hasProperty in interface GpioPin

getProperty

public String getProperty(String key,
                          String defaultValue)

Specified by:

getProperty in interface GpioPin

getProperty

public String getProperty(String key)

Specified by:

getProperty in interface GpioPin

getProperties

public Map<String,String> getProperties()

Specified by:

getProperties in interface GpioPin

removeProperty

public void removeProperty(String key)

Specified by:

removeProperty in interface GpioPin

clearProperties

public void clearProperties()

Specified by:

clearProperties in interface GpioPin

export

public void export(PinMode mode)

Specified by:

export in interface GpioPin

export

public void export(PinMode mode,
                   PinState defaultState)

Specified by:

export in interface GpioPin

unexport

public void unexport()

Specified by:

unexport in interface GpioPin

isExported

public boolean isExported()

Specified by:

isExported in interface GpioPin

setMode

public void setMode(PinMode mode)

Specified by:

setMode in interface GpioPin

getMode

public PinMode getMode()

Specified by:

getMode in interface GpioPin

isMode

public boolean isMode(PinMode mode)

Specified by:

isMode in interface GpioPin

setPullResistance

public void setPullResistance(PinPullResistance resistance)

Specified by:

setPullResistance in interface GpioPin

getPullResistance

public PinPullResistance getPullResistance()

Specified by:

getPullResistance in interface GpioPin

isPullResistance

public boolean isPullResistance(PinPullResistance resistance)

Specified by:

isPullResistance in interface GpioPin

high

public void high()

Specified by:

high in interface GpioPinDigitalOutput

low

public void low()

Specified by:

low in interface GpioPinDigitalOutput

toggle

public void toggle()

Specified by:

toggle in interface GpioPinDigitalOutput

blink

public Future<?> blink(long delay)

Specified by:

blink in interface GpioPinDigitalOutput

blink

public Future<?> blink(long delay,
                       PinState blinkState)

Specified by:

blink in interface GpioPinDigitalOutput

blink

public Future<?> blink(long delay,
                       long duration)

Specified by:

blink in interface GpioPinDigitalOutput

blink

public Future<?> blink(long delay,
                       long duration,
                       PinState blinkState)

Specified by:

blink in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration)

Specified by:

pulse in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration,
                       Callable<Void> callback)

Specified by:

pulse in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration,
                       PinState pulseState)

Specified by:

pulse in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration,
                       PinState pulseState,
                       Callable<Void> callback)

Specified by:

pulse in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration,
                       boolean blocking)

Specified by:

pulse in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration,
                       boolean blocking,
                       Callable<Void> callback)

Specified by:

pulse in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration,
                       PinState pulseState,
                       boolean blocking)

Specified by:

pulse in interface GpioPinDigitalOutput

pulse

public Future<?> pulse(long duration,
                       PinState pulseState,
                       boolean blocking,
                       Callable<Void> callback)

Specified by:

pulse in interface GpioPinDigitalOutput

setState

public void setState(PinState state)

Specified by:

setState in interface GpioPinDigitalOutput

setState

public void setState(boolean state)

Specified by:

setState in interface GpioPinDigitalOutput

isHigh

public boolean isHigh()

Specified by:

isHigh in interface GpioPinDigital

isLow

public boolean isLow()

Specified by:

isLow in interface GpioPinDigital

getState

public PinState getState()

Specified by:

getState in interface GpioPinDigital

isState

public boolean isState(PinState state)

Specified by:

isState in interface GpioPinDigital

hasDebounce

public boolean hasDebounce(PinState state)

Description copied from interface: GpioPinDigitalInput

Determines if a debounce delay interval has been configured for the given pin state.

Specified by:

hasDebounce in interface GpioPinDigitalInput

Parameters:

state - the pin state to test for debounce delay.

Returns:

'true' if the specified ping state has been configured with a debounce delay; else return 'false'.

getDebounce

public int getDebounce(PinState state)

Description copied from interface: GpioPinDigitalInput

Gets the configured debounce delay interval (in milliseconds) for the given pin state.

Specified by:

getDebounce in interface GpioPinDigitalInput

Parameters:

state - the pin state to get the configured debounce delay interval.

Returns:

the debounce delay interval (in milliseconds) for the specified pin state.

setDebounce

public void setDebounce(int debounce,
                        PinState... state)

Description copied from interface: GpioPinDigitalInput

Sets the debounce delay interval (in milliseconds) for the specified pin state.

Specified by:

setDebounce in interface GpioPinDigitalInput

Parameters:

debounce - The debounce delay interval in milliseconds.

state - The pin states to apply the debounce delay interval to.

setDebounce

public void setDebounce(int debounce)

Description copied from interface: GpioPinDigitalInput

Sets the debounce delay interval (in milliseconds) for all pin states.

Specified by:

setDebounce in interface GpioPinDigitalInput

Parameters:

debounce - The debounce delay interval in milliseconds.

setValue

public void setValue(double value)

Specified by:

setValue in interface GpioPinAnalogOutput

setValue

public void setValue(Number value)

Specified by:

setValue in interface GpioPinAnalogOutput

getValue

public double getValue()

Specified by:

getValue in interface GpioPinAnalog

setPwm

public void setPwm(int value)

Description copied from interface: GpioPinPwmOutput

Set the PWM value/rate to toggle the GPIO pin. If this is a hardware PWM pin, the value should be between a range of 0 to 1024. If this is a software emulated PWM pin, the value should be between a range of 0 to 100.

Specified by:

setPwm in interface GpioPinPwmOutput

setPwmRange

public void setPwmRange(int range)

Description copied from interface: GpioPinPwmOutput

This sets the range register in the PWM generator. The default is 1024 for hardware PWM. The default is 100 for software emulated PWM.

Specified by:

setPwmRange in interface GpioPinPwmOutput

getPwm

public int getPwm()

Description copied from interface: GpioPinPwm

If this is a hardware PWM pin, the value will be between a range of 0 to 1024. If this is a software emulated PWM pin, the value will be between a range of 0 to 100.

Specified by:

getPwm in interface GpioPinPwm

Returns:

the value currently set for the PWM output

addListener

public void addListener(GpioPinListener... listener)

Specified by:

addListener in interface GpioPin

Specified by:

addListener in interface GpioPinAnalogInput

Parameters:

listener - gpio pin listener interface

addListener

public void addListener(List<? extends GpioPinListener> listeners)

Specified by:

addListener in interface GpioPin

Specified by:

addListener in interface GpioPinAnalogInput

getListeners

public Collection<GpioPinListener> getListeners()

Specified by:

getListeners in interface GpioPin

Specified by:

getListeners in interface GpioPinAnalogInput

hasListener

public boolean hasListener(GpioPinListener... listener)

Specified by:

hasListener in interface GpioPin

Specified by:

hasListener in interface GpioPinAnalogInput

removeListener

public void removeListener(GpioPinListener... listener)

Specified by:

removeListener in interface GpioPin

Specified by:

removeListener in interface GpioPinAnalogInput

removeListener

public void removeListener(List<? extends GpioPinListener> listeners)

Specified by:

removeListener in interface GpioPin

Specified by:

removeListener in interface GpioPinAnalogInput

removeAllListeners

public void removeAllListeners()

Specified by:

removeAllListeners in interface GpioPin

Specified by:

removeAllListeners in interface GpioPinAnalogInput

getTriggers

public Collection<GpioTrigger> getTriggers()

Specified by:

getTriggers in interface GpioPinAnalogInput

Specified by:

getTriggers in interface GpioPinInput

addTrigger

public void addTrigger(GpioTrigger... trigger)

Specified by:

addTrigger in interface GpioPinAnalogInput

Specified by:

addTrigger in interface GpioPinInput

addTrigger

public void addTrigger(List<? extends GpioTrigger> triggers)

Specified by:

addTrigger in interface GpioPinAnalogInput

Specified by:

addTrigger in interface GpioPinInput

removeTrigger

public void removeTrigger(GpioTrigger... trigger)

Specified by:

removeTrigger in interface GpioPinAnalogInput

Specified by:

removeTrigger in interface GpioPinInput

Parameters:

trigger - GPIO trigger interface

removeTrigger

public void removeTrigger(List<? extends GpioTrigger> triggers)

Specified by:

removeTrigger in interface GpioPinAnalogInput

Specified by:

removeTrigger in interface GpioPinInput

removeAllTriggers

public void removeAllTriggers()

Specified by:

removeAllTriggers in interface GpioPinAnalogInput

Specified by:

removeAllTriggers in interface GpioPinInput

toString

public String toString()

Overrides:

toString in class Object

getShutdownOptions

public GpioPinShutdown getShutdownOptions()

Specified by:

getShutdownOptions in interface GpioPin

setShutdownOptions

public void setShutdownOptions(GpioPinShutdown options)

Specified by:

setShutdownOptions in interface GpioPin

setShutdownOptions

public void setShutdownOptions(Boolean unexport)

Specified by:

setShutdownOptions in interface GpioPin

setShutdownOptions

public void setShutdownOptions(Boolean unexport,
                               PinState state)

Specified by:

setShutdownOptions in interface GpioPin

setShutdownOptions

public void setShutdownOptions(Boolean unexport,
                               PinState state,
                               PinPullResistance resistance)

Specified by:

setShutdownOptions in interface GpioPin

setShutdownOptions

public void setShutdownOptions(Boolean unexport,
                               PinState state,
                               PinPullResistance resistance,
                               PinMode mode)

Specified by:

setShutdownOptions in interface GpioPin