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Class Ch1115

Provide an interface to the Ch1115 family of displays

Assembly: Ch1115.dll
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public class Ch1115 : IGraphicsDisplay, ISpiPeripheral, IDisposable

Implements:
Meadow.Foundation.Graphics.IGraphicsDisplay, Meadow.Hardware.ISpiPeripheral, System.IDisposable

Properties

ColorMode

The display color mode - 1 bit per pixel monochrome

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public ColorMode ColorMode { get; }

SupportedColorModes

The Color mode supported by the display

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public ColorMode SupportedColorModes { get; }

Width

The display width in pixels

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public int Width { get; }

Height

The display height in pixels

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public int Height { get; }

PixelBuffer

The buffer the holds the pixel data for the display

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public IPixelBuffer PixelBuffer { get; }

DefaultSpiBusSpeed

The default SPI bus speed for the device

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public Frequency DefaultSpiBusSpeed { get; }

SpiBusSpeed

The SPI bus speed for the device

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public Frequency SpiBusSpeed { get; set; }

DefaultSpiBusMode

The default SPI bus mode for the device

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public SpiClockConfiguration.Mode DefaultSpiBusMode { get; }

SpiBusMode

The SPI bus mode for the device

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public SpiClockConfiguration.Mode SpiBusMode { get; set; }

IsDisposed

Is the object disposed

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public bool IsDisposed { get; }

Fields

spiComms

SPI Communication bus used to communicate with the peripheral

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protected readonly ISpiCommunications spiComms

Methods

InvertDisplay(bool)

Invert the entire display (true) or return to normal mode (false).

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public void InvertDisplay(bool invert)
Parameters
TypeName
System.Booleaninvert

PowerSaveMode()

Set display into power saving mode

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public void PowerSaveMode()

SetContrast(byte)

Set the display contrast

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public void SetContrast(byte contrast)
Parameters
TypeNameDescription
System.BytecontrastThe contrast value (0-63)

Show()

Send the internal pixel buffer to display

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public void Show()

Show(int, int, int, int)

Update a region of the display from the offscreen buffer

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public void Show(int left, int top, int right, int bottom)
Parameters
TypeNameDescription
System.Int32leftLeft bounds in pixels
System.Int32topTop bounds in pixels
System.Int32rightRight bounds in pixels
System.Int32bottomBottom bounds in pixels

Clear(bool)

Clear the display buffer

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public void Clear(bool updateDisplay = false)
Parameters
TypeNameDescription
System.BooleanupdateDisplayImmediately update the display when true

DrawPixel(int, int, Color)

Draw pixel at a location

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public void DrawPixel(int x, int y, Color color)
Parameters
TypeNameDescription
System.Int32xAbscissa of the pixel to the set / reset
System.Int32yOrdinate of the pixel to the set / reset
Meadow.ColorcolorAny color = turn on pixel, black = turn off pixel

DrawPixel(int, int, bool)

Draw pixel at a location

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public void DrawPixel(int x, int y, bool enabled)
Parameters
TypeNameDescription
System.Int32xAbscissa of the pixel to the set / reset
System.Int32yOrdinate of the pixel to the set / reset
System.BooleanenabledTrue = turn on pixel, false = turn off pixel

InvertPixel(int, int)

Invert a pixel at a location

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public void InvertPixel(int x, int y)
Parameters
TypeNameDescription
System.Int32xAbscissa of the pixel to the set / reset
System.Int32yOrdinate of the pixel to the set / reset

StartScrolling(ScrollDirection)

Start the display scrolling in the specified direction.

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public void StartScrolling(Ch1115.ScrollDirection direction)
Parameters
TypeNameDescription
Meadow.Foundation.Displays.Ch1115.ScrollDirectiondirectionDirection that the display should scroll

StartScrolling(ScrollDirection, byte, byte)

Start the display scrolling

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public void StartScrolling(Ch1115.ScrollDirection direction, byte startPage, byte endPage)
Parameters
TypeNameDescription
Meadow.Foundation.Displays.Ch1115.ScrollDirectiondirectionDirection that the display should scroll
System.BytestartPageStart page for the scroll
System.ByteendPageEnd page for the scroll

StopScrolling()

Turn off scrolling

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public void StopScrolling()

Fill(Color, bool)

Fill display buffer with a color

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public void Fill(Color clearColor, bool updateDisplay = false)
Parameters
TypeNameDescription
Meadow.ColorclearColorThe fill color
System.BooleanupdateDisplayIf true, update display

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

Fill with a color

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public void Fill(int x, int y, int width, int height, Color color)
Parameters
TypeNameDescription
System.Int32xX start position in pixels
System.Int32yY start position in pixels
System.Int32widthWidth in pixels
System.Int32heightHeight in pixels
Meadow.ColorcolorThe fill color

WriteBuffer(int, int, IPixelBuffer)

Write a buffer to the display offscreen buffer

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public void WriteBuffer(int x, int y, IPixelBuffer displayBuffer)
Parameters
TypeNameDescription
System.Int32xThe x position in pixels to write the buffer
System.Int32yThe y position in pixels to write the buffer
Meadow.Foundation.Graphics.Buffers.IPixelBufferdisplayBufferThe buffer to write

Dispose()

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

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public void Dispose()

Dispose(bool)

Dispose of the object

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protected virtual void Dispose(bool disposing)
Parameters
TypeNameDescription
System.BooleandisposingIs disposing

Implements