Class LedBarGraph
Represents an LED bar graph composed on multiple LEDs
Assembly: Meadow.Foundation.dll
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public class LedBarGraph
Properties
Count
The number of the LEDs in the bar graph
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public int Count { get; }
Percentage
A value between 0 and 1 that controls the number of LEDs that are activated
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public float Percentage { get; protected set; }
Fields
leds
Array to hold LED objects for bar
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protected Led[] leds
Methods
StopAnimation()
Stops the LED bar graph when its blinking
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public Task StopAnimation()
Returns
System.Threading.Tasks.Task
StopAnimation(int)
Stops the blinking animation on an individual LED
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public Task StopAnimation(int index)
Returns
System.Threading.Tasks.Task
Parameters
Type | Name |
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System.Int32 | index |
StartBlink()
Blink animation that turns the LED bar graph on (500ms) and off (500ms)
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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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public Task StartBlink(TimeSpan onDuration, TimeSpan offDuration)
Returns
System.Threading.Tasks.Task
Parameters
Type | Name | Description |
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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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public Task StartBlink(int index)
Returns
System.Threading.Tasks.Task
Parameters
Type | Name | Description |
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System.Int32 | index | Index of the LED |
StartBlink(int, TimeSpan, TimeSpan)
Starts a blink animation on an individual LED
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public Task StartBlink(int index, TimeSpan onDuration, TimeSpan offDuration)
Returns
System.Threading.Tasks.Task
Parameters
Type | Name | Description |
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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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public int GetTopLedForPercentage()
Returns
System.Int32
SetLed(int, bool)
Set the LED state
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public Task SetLed(int index, bool isOn)
Returns
System.Threading.Tasks.Task
Parameters
Type | Name | Description |
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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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public Task SetPercentage(float percentage)
Returns
System.Threading.Tasks.Task
Parameters
Type | Name | Description |
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System.Single | percentage | Percentage (Range from 0 - 1) |