Class Ssd1327
Provides an interface to the Ssd1327 grayscale OLED display
Assembly: Ssd1327.dll
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public class Ssd1327 : IGraphicsDisplay, ISpiPeripheral, IDisposable
Implements:
Meadow.Foundation.Graphics.IGraphicsDisplay, Meadow.Hardware.ISpiPeripheral, System.IDisposable
Properties
ColorMode
The display color mode (4 bit per pixel grayscale)
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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 ISpiCommunications spiComms
Methods
SetContrast(byte)
Set the display contrast
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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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protected void Initialize()
Clear(bool)
Clear the display buffer
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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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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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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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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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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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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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public void Show()
Fill(Color, bool)
Fill display buffer with a color
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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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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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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.Foundation.Graphics.Buffers.IPixelBuffer | displayBuffer | The 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
| Type | Name | Description |
|---|---|---|
System.Boolean | disposing | Is disposing |
Implements
- Meadow.Foundation.Graphics.IGraphicsDisplay
Meadow.Hardware.ISpiPeripheralSystem.IDisposable