Class St7565
Provide an interface to the ST7565 family of displays
Assembly: St7565.dll
View Source
public class St7565 : IGraphicsDisplay, ISpiPeripheral, IDisposable
Implements:
Meadow.Foundation.Graphics.IGraphicsDisplay, Meadow.Hardware.ISpiPeripheral, System.IDisposable
Properties
ColorMode
The display color mode - 1 bit per pixel monochrome
View Source
public ColorMode ColorMode { get; }
SupportedColorModes
The Color mode supported by the display
View Source
public ColorMode SupportedColorModes { get; }
Width
The display width in pixels
View Source
public int Width { get; }
Height
The display height in pixels
View Source
public int Height { get; }
PixelBuffer
The buffer the holds the pixel data for the display
View Source
public IPixelBuffer PixelBuffer { get; }
DefaultSpiBusSpeed
The default SPI bus speed for the device
View Source
public Frequency DefaultSpiBusSpeed { get; }
SpiBusSpeed
The SPI bus speed for the device
View Source
public Frequency SpiBusSpeed { get; set; }
DefaultSpiBusMode
The default SPI bus mode for the device
View Source
public SpiClockConfiguration.Mode DefaultSpiBusMode { get; }
SpiBusMode
The SPI bus mode for the device
View Source
public SpiClockConfiguration.Mode SpiBusMode { get; set; }
IsDisposed
Is the object disposed
View Source
public bool IsDisposed { get; }
Fields
spiComms
SPI Communication bus used to communicate with the peripheral
View Source
protected ISpiCommunications spiComms
Methods
InvertDisplay(bool)
Invert the entire display (true) or return to normal mode (false).
View Source
public void InvertDisplay(bool cmd)
Parameters
| Type | Name |
|---|---|
System.Boolean | cmd |
PowerSaveMode()
Set display into power saving mode
View Source
public void PowerSaveMode()
SetContrast(byte)
Set the display contrast
View Source
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
View Source
public void Show()
Show(int, int, int, int)
Update a region of the display from the offscreen buffer
View Source
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
View Source
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
View Source
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
View Source
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
View Source
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.
View Source
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
View Source
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
View Source
public void StopScrolling()
Fill(Color, bool)
Fill display buffer with a color
View Source
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
View Source
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
View Source
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.
View Source
public void Dispose()
Dispose(bool)
Dispose of the object
View Source
protected virtual void Dispose(bool disposing)
Parameters
| Type | Name | Description |
|---|---|---|
System.Boolean | disposing | Is disposing |
Implements
- Meadow.Foundation.Graphics.IGraphicsDisplay
Meadow.Hardware.ISpiPeripheralSystem.IDisposable