Class I2cCharacterDisplay

Represents a character display using I2C

Assembly: CharacterDisplay.dll

View Source

public class I2cCharacterDisplay : ICharacterDisplay, ITextDisplay, II2cPeripheral

Derived:
Meadow.Foundation.Displays.Lcd.GroveCharacterDisplay

Implements:
Meadow.Foundation.Displays.Lcd.ICharacterDisplay, Meadow.Peripherals.Displays.ITextDisplay, Meadow.Hardware.II2cPeripheral

Properties

DefaultI2cAddress

The default I2C address for the peripheral

View Source

public byte DefaultI2cAddress { get; }

DisplayConfig

The text display configuration

View Source

public TextDisplayConfig DisplayConfig { get; protected set; }

Fields

i2cComms

I2C Communication bus used to communicate with the peripheral

View Source

protected readonly II2cCommunications i2cComms

displayControl

Display control value

View Source

protected byte displayControl

displayMode

Display mode value

View Source

protected byte displayMode

backlightValue

Display backlight value

View Source

protected byte backlightValue

cursorLine

The cursor current line

View Source

protected byte cursorLine

cursorColumn

The cursor current column

View Source

protected byte cursorColumn

Methods

Initialize()

Initialize the display

View Source

protected virtual void Initialize()

Command(byte)

Send a command to the display

View Source

protected virtual void Command(byte value)

Parameters

Type	Name	Description
System.Byte	value	The command as a byte

Send(byte, byte)

Send data to the display

View Source

protected virtual void Send(byte value, byte mode)

Parameters

Type	Name	Description
System.Byte	value	The data to send
System.Byte	mode	The mode

ClearLine(byte)

Clear a line of text

View Source

public void ClearLine(byte lineNumber)

Parameters

Type	Name	Description
System.Byte	lineNumber	The line to clear (0 indexed)

ClearLines()

Clear all lines

View Source

public void ClearLines()

SetCursorPosition(byte, byte)

Set the cursor position

View Source

public void SetCursorPosition(byte column, byte line)

Parameters

Type	Name	Description
System.Byte	column	The cursor column
System.Byte	line	The cursor line

Write(string)

Write a string to the display

View Source

public void Write(string text)

Parameters

Type	Name	Description
System.String	text	The text to show as a string

WriteLine(string, byte, bool)

Write text to a line on the display

View Source

public void WriteLine(string text, byte lineNumber, bool showCursor = false)

Parameters

Type	Name	Description
System.String	text	The text to show
System.Byte	lineNumber	The line number (0 index)
System.Boolean	showCursor	Show the cursor if true

DisplayOff()

Set the display off

View Source

public virtual void DisplayOff()

DisplayOn()

Set the display on

View Source

public virtual void DisplayOn()

CursorOff()

Hide the cursor

View Source

public void CursorOff()

CursorOn()

Show the cursor

View Source

public void CursorOn()

BlinkCursor(bool)

Enable or disable cursor blinking

View Source

public void BlinkCursor(bool blink)

Parameters

Type	Name	Description
System.Boolean	blink	Blink if true

ScrollDisplayLeft()

Scroll the display left

View Source

public virtual void ScrollDisplayLeft()

ScrollDisplayRight()

Scroll the display right

View Source

public virtual void ScrollDisplayRight()

SetLeftToRight()

Set the display to show text left to right

View Source

public void SetLeftToRight()

SetRightToLeft()

Set the display to show text right to left

View Source

public void SetRightToLeft()

Autoscroll(bool)

Enable or disable auto scroll if the text length exceeds the display width

View Source

public void Autoscroll(bool scroll)

Parameters

Type	Name	Description
System.Boolean	scroll	Auto scroll if true

SaveCustomCharacter(byte[], byte)

Save a custom character to the display

View Source

public void SaveCustomCharacter(byte[] characterMap, byte address)

Parameters

Type	Name	Description
System.Byte[]	characterMap	The character data
System.Byte	address	The character address

BacklightOn()

Turn the backlight on

View Source

public void BacklightOn()

BacklightOff()

Turn the backlight off

View Source

public void BacklightOff()

IsBacklightOn()

Get the backlight state

View Source

public bool IsBacklightOn()

Returns

System.Boolean: True if On, false if off### Show() Update the display

View Source

public void Show()

Implements

• Meadow.Foundation.Displays.Lcd.ICharacterDisplay
• Meadow.Peripherals.Displays.ITextDisplay
• Meadow.Hardware.II2cPeripheral