Remarks

LedMatrix8x16Wing
Status
Source code	GitHub
NuGet package

Code Example

LedMatrix8x16Wing ledMatrixWing;
MicroGraphics graphics;

public override Task Initialize()
{
    Console.WriteLine("Initializing ..");

    ledMatrixWing = new LedMatrix8x16Wing(Device.CreateI2cBus());
    ledMatrixWing.Clear();

    graphics = new MicroGraphics(ledMatrixWing) 
    {
        Rotation = RotationType._90Degrees,
        CurrentFont = new Font4x8()
    };

    return Task.CompletedTask;
}

public override Task Run()
{
    graphics.Clear();

    graphics.DrawText(0, 0, "M F7");

    graphics.Show();

    return Task.CompletedTask;
}

Sample project(s) available on GitHub

Characteristic	Locus
Inheritance	System.Object > LedMatrix8x16Wing
Implements	IGraphicsDisplay
Namespace	Meadow.Foundation.FeatherWings
Assembly	LedMatrix8x16Wing.dll

Syntax

public class LedMatrix8x16Wing : IPixelBuffer, IGraphicsDisplay

Constructors

LedMatrix8x16Wing(II2cBus, Byte)

Creates a LedMatrix8x16Wing driver

Declaration

public LedMatrix8x16Wing(II2cBus i2cBus, byte address = null)

Parameters

Type	Name	Description
II2cBus	i2cBus	The I2CBus used by the CharlieWing
System.Byte	address	The I2C address

Properties

BitDepth

The bit depth of the display

Declaration

public int BitDepth { get; }

Property Value

Type	Description
System.Int32

Buffer

The backing buffer for the pixel buffer (not implemented)

Declaration

public byte[] Buffer { get; }

Property Value

Type	Description
System.Byte[]

ByteCount

The total bytes used for the display buffer

Declaration

public int ByteCount { get; }

Property Value

Type	Description
System.Int32

ColorMode

Returns the color mode

Declaration

public ColorMode ColorMode { get; }

Property Value

Type	Description
ColorMode

Height

Returns the height of the RGB LED matrix

Declaration

public int Height { get; }

Property Value

Type	Description
System.Int32

IgnoreOutOfBoundsPixels

Gets/Sets property to ignore boundaries when drawing outside of the LED matrix

Declaration

public bool IgnoreOutOfBoundsPixels { get; set; }

Property Value

Type	Description
System.Boolean

PixelBuffer

The pixel buffer that represents the offscreen buffer Not implemented for this driver

Declaration

public IPixelBuffer PixelBuffer { get; }

Property Value

Type	Description
IPixelBuffer

SupportedColorModes

Color modes supported by the device

Declaration

public ColorMode SupportedColorModes { get; }

Property Value

Type	Description
ColorMode

Width

Returns the width of the RGB LED matrix

Declaration

public int Width { get; }

Property Value

Type	Description
System.Int32

Methods

Clear()

Clear the RGB LED Matrix offscreen buffer

Declaration

public void Clear()

Clear(Boolean)

Clear the RGB LED Matrix offscreen buffer

Declaration

public void Clear(bool updateDisplay = false)

Parameters

Type	Name	Description
System.Boolean	updateDisplay	Force a display update if true, false to clear the buffer

DrawPixel(Int32, Int32, Color)

Turn on an RGB LED with the specified color on (x,y) coordinates

Declaration

public void DrawPixel(int x, int y, Color color)

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels 0 indexed from the left
System.Int32	y	The y position in pixels 0 indexed from the top
Color	color	The color to draw normalized to black/off or white/on

DrawPixel(Int32, Int32, Boolean)

Turn on a LED on (x,y) coordinates

Declaration

public void DrawPixel(int x, int y, bool colored)

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels 0 indexed from the left
System.Int32	y	The y position in pixels 0 indexed from the top
System.Boolean	colored	Led is on if true, off if false

Fill(Color)

Fill the display with a normalized color to on/off

Declaration

public void Fill(Color color)

Parameters

Type	Name	Description
Color	color	The color to fill

Fill(Color, Boolean)

Fill the display buffer to a normalized color

Declaration

public void Fill(Color fillColor, bool updateDisplay = false)

Parameters

Type	Name	Description
Color	fillColor	The clear color which will be normalized to black/off or white/on
System.Boolean	updateDisplay	Force a display update if true, false to clear the buffer

Fill(Int32, Int32, Int32, Int32, Color)

Fill the display

Declaration

public void Fill(int x, int y, int width, int height, Color fillColor)

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels 0 indexed from the left
System.Int32	y	The y position in pixels 0 indexed from the top
System.Int32	width	The width to fill in pixels
System.Int32	height	The height to fill in pixels
Color	fillColor	The fillColor color which will be normalized to black/off or white/on

GetPixel(Int32, Int32)

Get the Color of the pixel at a location (not implemented)

Declaration

public Color GetPixel(int x, int y)

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels
System.Int32	y	The y position in pixels

Returns

Type	Description
Color	The pixel color

InvertPixel(Int32, Int32)

Invert the color of the pixel at the given location

Declaration

public void InvertPixel(int x, int y)

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels 0 indexed from the left
System.Int32	y	The y position in pixels 0 indexed from the top

SetPixel(Int32, Int32, Color)

Set a pixel at a specific location

Declaration

public void SetPixel(int x, int y, Color color)

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels
System.Int32	y	The y position in pixels
Color	color	The pixel color normalized to on/off

Show()

Show changes on the display

Declaration

public void Show()

Show(Int32, Int32, Int32, Int32)

Update a region of the display from the offscreen buffer Currently always redraws the entire display

Declaration

public void Show(int left, int top, int right, int bottom)

Parameters

Type	Name	Description
System.Int32	left	The left bounding position in pixels
System.Int32	top	The top bounding position in pixels
System.Int32	right	The right bounding position in pixels
System.Int32	bottom	The bottom bounding position in pixels

WriteBuffer(Int32, Int32, IPixelBuffer)

Draw a buffer to the display

Declaration

public void WriteBuffer(int x, int y, IPixelBuffer displayBuffer)

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels 0 indexed from the left
System.Int32	y	The y position in pixels 0 indexed from the top
IPixelBuffer	displayBuffer	The display buffer to draw to the display