Class LedBarGraph

Represents an LED bar graph composed on multiple LEDs

Assembly: Meadow.Foundation.dll

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Declaration

public class LedBarGraph

Properties

Count

The number of the LEDs in the bar graph

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Declaration

public int Count { get; }

Percentage

A value between 0 and 1 that controls the number of LEDs that are activated

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Declaration

public float Percentage { get; protected set; }

Fields

leds

Array to hold LED objects for bar

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Declaration

protected Led[] leds

Methods

StopAnimation()

Stops the LED bar graph when its blinking

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Declaration

public Task StopAnimation()

Returns

System.Threading.Tasks.Task

StopAnimation(int)

Stops the blinking animation on an individual LED

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Declaration

public Task StopAnimation(int index)

Returns

System.Threading.Tasks.Task

Parameters

Type	Name
System.Int32	index

StartBlink()

Blink animation that turns the LED bar graph on (500ms) and off (500ms)

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Declaration

public Task StartBlink()

Returns

System.Threading.Tasks.Task

StartBlink(TimeSpan, TimeSpan)

Blink animation that turns the LED bar graph on and off based on the OnDuration and offDuration values

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Declaration

public Task StartBlink(TimeSpan onDuration, TimeSpan offDuration)

Returns

System.Threading.Tasks.Task

Parameters

Type	Name	Description
System.TimeSpan	onDuration	The duration the LED bar graph stays on
System.TimeSpan	offDuration	The duration the LED bar graph stays off

StartBlink(int)

Starts a blink animation on an individual LED on (500ms) and off (500ms)

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Declaration

public Task StartBlink(int index)

Returns

System.Threading.Tasks.Task

Parameters

Type	Name	Description
System.Int32	index	Index of the LED

StartBlink(int, TimeSpan, TimeSpan)

Starts a blink animation on an individual LED

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Declaration

public Task StartBlink(int index, TimeSpan onDuration, TimeSpan offDuration)

Returns

System.Threading.Tasks.Task

Parameters

Type	Name	Description
System.Int32	index	Index of the LED
System.TimeSpan	onDuration	The duration the LED stays on
System.TimeSpan	offDuration	The duration the LED stays off

GetTopLedForPercentage()

Returns the index of the last LED turned on

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Declaration

public int GetTopLedForPercentage()

Returns

System.Int32

SetLed(int, bool)

Set the LED state

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Declaration

public Task SetLed(int index, bool isOn)

Returns

System.Threading.Tasks.Task

Parameters

Type	Name	Description
System.Int32	index	Index of the LED
System.Boolean	isOn	True for on, False for off

SetPercentage(float)

Set the percentage of LEDs that are on starting from index 0

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Declaration

public Task SetPercentage(float percentage)

Returns

System.Threading.Tasks.Task

Parameters

Type	Name	Description
System.Single	percentage	Percentage (Range from 0 - 1)