Class St7565
Provide an interface to the ST7565 family of displays
Assembly: St7565.dll
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public class St7565 : IPixelDisplay, IDisplay, ISpiPeripheral, IDisposable
Implements:
Meadow.Peripherals.Displays.IPixelDisplay, Meadow.Peripherals.Displays.IDisplay, Meadow.Hardware.ISpiPeripheral, System.IDisposable
Properties
ColorMode
The currently set color mode for the display
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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
Width of the display in pixels
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public int Width { get; }
Height
Height of the display in pixels
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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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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
InvertDisplay(bool)
Invert the entire display (true) or return to normal mode (false).
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public void InvertDisplay(bool cmd)
Parameters
| Type | Name |
|---|---|
System.Boolean | cmd |
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
| Type | Name | Description |
|---|---|---|
System.Byte | contrast | The 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
| 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 |
Clear(bool)
Clear the display buffer
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public void Clear(bool updateDisplay = false)
Parameters
| Type | Name | Description |
|---|---|---|
System.Boolean | updateDisplay | Immediately 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
| 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 |
Meadow.Color | color | Any 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
| 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 |
System.Boolean | enabled | True = 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
| 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 |
StartScrolling(ScrollDirection)
Start the display scrolling in the specified direction.
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public void StartScrolling(St7565.ScrollDirection direction)
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.Foundation.Displays.St7565.ScrollDirection | direction | Direction that the display should scroll |
StartScrolling(ScrollDirection, byte, byte)
Start the display scrolling
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public void StartScrolling(St7565.ScrollDirection direction, byte startPage, byte endPage)
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.Foundation.Displays.St7565.ScrollDirection | direction | Direction that the display should scroll |
System.Byte | startPage | Start page for the scroll |
System.Byte | endPage | End 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
| Type | Name | Description |
|---|---|---|
Meadow.Color | clearColor | 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.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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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.Peripherals.Displays.IPixelDisplayMeadow.Peripherals.Displays.IDisplayMeadow.Hardware.ISpiPeripheralSystem.IDisposable