Meadow.Foundation.FeatherWings.LedMatrix8x16Wing

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

Class LedMatrix8x16Wing

Represents an Adafruit Led Matrix 8x16 feather wing (HT16K33)

Assembly: LedMatrix8x16Wing.dll

View Source

Declaration
public class LedMatrix8x16Wing : IPixelDisplay, IDisplay, IPixelBuffer

Implements:
Meadow.Peripherals.Displays.IPixelDisplay, Meadow.Peripherals.Displays.IDisplay, Meadow.Peripherals.Displays.IPixelBuffer

Properties

ColorMode

Returns the color mode

View Source

Declaration
public ColorMode ColorMode { get; }

SupportedColorModes

Color modes supported by the device

View Source

Declaration
public ColorMode SupportedColorModes { get; }

Width

Returns the width of the RGB LED matrix

View Source

Declaration
public int Width { get; }

Height

Returns the height of the RGB LED matrix

View Source

Declaration
public int Height { get; }

IgnoreOutOfBoundsPixels

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

View Source

Declaration
public bool IgnoreOutOfBoundsPixels { get; set; }

PixelBuffer

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

View Source

Declaration
public IPixelBuffer PixelBuffer { get; }

BitDepth

The bit depth of the display

View Source

Declaration
public int BitDepth { get; }

ByteCount

The total bytes used for the display buffer

View Source

Declaration
public int ByteCount { get; }

Buffer

The backing buffer for the pixel buffer (not implemented)

View Source

Declaration
public byte[] Buffer { get; }

Methods

Clear(bool)

Clear the RGB LED Matrix offscreen buffer

View Source

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

Clear()

Clear the RGB LED Matrix offscreen buffer

View Source

Declaration
public void Clear()

DrawPixel(int, int, Color)

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

View Source

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
`Meadow.Color`	color	The color to draw normalized to black/off or white/on

DrawPixel(int, int, bool)

Turn on a LED on (x,y) coordinates

View Source

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

InvertPixel(int, int)

Invert the color of the pixel at the given location

View Source

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

WriteBuffer(int, int, IPixelBuffer)

Draw a buffer to the display

View Source

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
`Meadow.Peripherals.Displays.IPixelBuffer`	displayBuffer	The display buffer to draw to the display

Fill(Color, bool)

Fill the display buffer to a normalized color

View Source

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

Parameters

Type	Name	Description
`Meadow.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(int, int, int, int, Color)

Fill the display

View Source

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
`Meadow.Color`	fillColor	The fillColor color which will be normalized to black/off or white/on

Show()

Show changes on the display

View Source

Declaration
public void Show()

Show(int, int, int, int)

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

View Source

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

Fill(Color)

Fill the display with a normalized color to on/off

View Source

Declaration
public void Fill(Color color)

Parameters

Type	Name	Description
`Meadow.Color`	color	The color to fill

GetPixel(int, int)

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

View Source

Declaration
public Color GetPixel(int x, int y)

Returns

Meadow.Color: The pixel color

Parameters

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

Exceptions

System.NotImplementedException

SetPixel(int, int, Color)

Set a pixel at a specific location

View Source

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
`Meadow.Color`	color	The pixel color normalized to on/off

Implements

Meadow.Peripherals.Displays.IPixelDisplay
Meadow.Peripherals.Displays.IDisplay
Meadow.Peripherals.Displays.IPixelBuffer

Code Example​

Class LedMatrix8x16Wing

Assembly: LedMatrix8x16Wing.dll​

Properties​

ColorMode​

SupportedColorModes​

Width​

Height​

IgnoreOutOfBoundsPixels​

PixelBuffer​

BitDepth​

ByteCount​

Buffer​

Methods​

Clear(bool)​

Parameters​

Clear()​

DrawPixel(int, int, Color)​

Parameters​

DrawPixel(int, int, bool)​

Parameters​

InvertPixel(int, int)​

Parameters​

WriteBuffer(int, int, IPixelBuffer)​

Parameters​

Fill(Color, bool)​

Parameters​

Fill(int, int, int, int, Color)​

Parameters​

Show()​

Show(int, int, int, int)​

Parameters​

Fill(Color)​

Parameters​

GetPixel(int, int)​

Returns​

Parameters​

Exceptions​

SetPixel(int, int, Color)​

Parameters​

Implements​

Code Example

Assembly: LedMatrix8x16Wing.dll

Properties

ColorMode

SupportedColorModes

Width

Height

IgnoreOutOfBoundsPixels

PixelBuffer

BitDepth

ByteCount

Buffer

Methods

Clear(bool)

Parameters

Clear()

DrawPixel(int, int, Color)

Parameters

DrawPixel(int, int, bool)

Parameters

InvertPixel(int, int)

Parameters

WriteBuffer(int, int, IPixelBuffer)

Parameters

Fill(Color, bool)

Parameters

Fill(int, int, int, int, Color)

Parameters

Show()

Show(int, int, int, int)

Parameters

Fill(Color)

Parameters

GetPixel(int, int)

Returns

Parameters

Exceptions

SetPixel(int, int, Color)

Parameters

Implements