Class Ssd1327

Provides an interface to the Ssd1327 grayscale OLED display

Assembly: Ssd1327.dll

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Declaration

public class Ssd1327 : ISpiPeripheral, IColorInvertableDisplay, IPixelDisplay, IDisplay, IDisposable

Implements:
Meadow.Hardware.ISpiPeripheral, Meadow.Peripherals.Displays.IColorInvertableDisplay, Meadow.Peripherals.Displays.IPixelDisplay, Meadow.Peripherals.Displays.IDisplay, System.IDisposable

Properties

ColorMode

The currently set color mode for the display

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Declaration

public ColorMode ColorMode { get; }

SupportedColorModes

The Color mode supported by the display

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Declaration

public ColorMode SupportedColorModes { get; }

Width

Width of the display in pixels

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Declaration

public int Width { get; }

Height

Height of the display in pixels

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Declaration

public int Height { get; }

PixelBuffer

Provide a buffer that matches this display's color depth, height, and width This should be the buffer that is sent to the device when Show is called

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Declaration

public IPixelBuffer PixelBuffer { get; }

DefaultSpiBusSpeed

The default SPI bus speed for the device

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Declaration

public Frequency DefaultSpiBusSpeed { get; }

SpiBusSpeed

The SPI bus speed for the device

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Declaration

public Frequency SpiBusSpeed { get; set; }

DefaultSpiBusMode

The default SPI bus mode for the device

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Declaration

public SpiClockConfiguration.Mode DefaultSpiBusMode { get; }

SpiBusMode

The SPI bus mode for the device

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Declaration

public SpiClockConfiguration.Mode SpiBusMode { get; set; }

IsDisposed

Is the object disposed

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Declaration

public bool IsDisposed { get; }

IsColorInverted

Gets whether the display color is inverted

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Declaration

public bool IsColorInverted { get; }

Fields

spiComms

SPI Communication bus used to communicate with the peripheral

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Declaration

protected ISpiCommunications spiComms

Methods

InvertDisplayColor(bool)

Invert the display colors True to invert, false for normal colors

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Declaration

public void InvertDisplayColor(bool invert)

Parameters

Type	Name
System.Boolean	invert

SetContrast(byte)

Set the display contrast

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Declaration

public void SetContrast(byte contrast)

Parameters

Type	Name	Description
System.Byte	contrast	The contrast value (0-255)

Initialize()

Initialize the display

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Declaration

protected void Initialize()

Clear(bool)

Clear the display buffer

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Declaration

public void Clear(bool updateDisplay = false)

Parameters

Type	Name	Description
System.Boolean	updateDisplay	If true, update the display

DrawPixel(int, int, Color)

Draw pixel at a location

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Declaration

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

Parameters

Type	Name	Description
System.Int32	x	x location in pixels
System.Int32	y	y location in pixels
Meadow.Color	color	The pixel color which will be transformed to 4bpp grayscale

DrawPixel(int, int, bool)

Draw pixel at a location

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Declaration

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

Parameters

Type	Name	Description
System.Int32	x	x location in pixels
System.Int32	y	y location in pixels
System.Boolean	enabled	True = turn on pixel, false = turn off pixel

DrawPixel(int, int, byte)

Draw pixel at a location

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Declaration

public void DrawPixel(int x, int y, byte gray)

Parameters

Type	Name	Description
System.Int32	x	x location in pixels
System.Int32	y	y location in pixels
System.Byte	gray	The pixel color as a 4 bit grayscale value

InvertPixel(int, int)

Invert a pixel at a location

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Declaration

public void InvertPixel(int x, int y)

Parameters

Type	Name	Description
System.Int32	x	Abscissa of the pixel to the set / reset
System.Int32	y	Ordinate of the pixel to the set / reset

Show(int, int, int, int)

Update a region of the display from the offscreen buffer

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Declaration

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

Parameters

Type	Name	Description
System.Int32	left	Left bounds in pixels
System.Int32	top	Top bounds in pixels
System.Int32	right	Right bounds in pixels
System.Int32	bottom	Bottom bounds in pixels

Show()

Update the display

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Declaration

public void Show()

Fill(Color, bool)

Fill display buffer with a color

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Declaration

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

Parameters

Type	Name	Description
Meadow.Color	color	The fill color
System.Boolean	updateDisplay	If true, update display

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

Fill with a color

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Declaration

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

Parameters

Type	Name	Description
System.Int32	x	X start position in pixels
System.Int32	y	Y start position in pixels
System.Int32	width	Width in pixels
System.Int32	height	Height in pixels
Meadow.Color	color	The fill color

WriteBuffer(int, int, IPixelBuffer)

Write a buffer to the display offscreen buffer

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Declaration

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

Parameters

Type	Name	Description
System.Int32	x	The x position in pixels to write the buffer
System.Int32	y	The y position in pixels to write the buffer
Meadow.Peripherals.Displays.IPixelBuffer	displayBuffer	The buffer to write

Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

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Declaration

public void Dispose()

Dispose(bool)

Dispose of the object

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Declaration

protected virtual void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing	Is disposing

Implements

• Meadow.Hardware.ISpiPeripheral
• Meadow.Peripherals.Displays.IColorInvertableDisplay
• Meadow.Peripherals.Displays.IPixelDisplay
• Meadow.Peripherals.Displays.IDisplay
• System.IDisposable