com.diozero.devices

Class LedBarGraph

java.lang.Object

com.diozero.devices.LedBarGraph

All Implemented Interfaces:

OutputDeviceInterface, Closeable, AutoCloseable

public class LedBarGraph
extends Object
implements OutputDeviceInterface, Closeable

Constructor Summary

Constructors

Constructor and Description
LedBarGraph(GpioDeviceFactoryInterface deviceFactory, boolean activeHigh, int... gpios)
LedBarGraph(GpioDeviceFactoryInterface deviceFactory, int... gpios)
LedBarGraph(int... gpios)
LedBarGraph(LED... leds)
LedBarGraph(List<LED> leds)

Method Summary

Modifier and Type	Method and Description
void	blink()
void	blink(float onTime, float offTime, int iterations, Action stopAction)
void	close()
float	getValue() Get the proportion of LEDs currently lit.
void	off()
void	on()
void	setValue(float newValue) Light a proportion of the LEDs using value as a percentage.
void	toggle()

Methods inherited from class java.lang.Object

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

Constructor Detail

LedBarGraph

public LedBarGraph(int... gpios)

LedBarGraph

public LedBarGraph(GpioDeviceFactoryInterface deviceFactory,
                   int... gpios)

LedBarGraph

public LedBarGraph(GpioDeviceFactoryInterface deviceFactory,
                   boolean activeHigh,
                   int... gpios)

LedBarGraph

public LedBarGraph(LED... leds)

LedBarGraph

public LedBarGraph(List<LED> leds)

Method Detail

on

public void on()

off

public void off()

toggle

public void toggle()

blink

public void blink()

blink

public void blink(float onTime,
                  float offTime,
                  int iterations,
                  Action stopAction)

getValue

public float getValue()

Get the proportion of LEDs currently lit.

Returns:

Proportion of LEDs lit. 0..1 if lit from left to right, 0..-1 if lit from right to left.

setValue

public void setValue(float newValue)

Light a proportion of the LEDs using value as a percentage.

Specified by:

setValue in interface OutputDeviceInterface

Parameters:

newValue - Proportion of LEDs to light. 0..1 lights from left to right, 0..-1 lights from right to left.

close

public void close()
           throws RuntimeIOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

RuntimeIOException