Class EPaperBase

Represents a base ePaper display driver

Assembly: EPaper.dll

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Declaration

public abstract class EPaperBase : ISpiPeripheral, IDisposable

Derived:
Meadow.Foundation.Displays.EPaperMonoBase

Implements:
Meadow.Hardware.ISpiPeripheral, System.IDisposable

Properties

DefaultSpiBusSpeed

The default SPI bus speed for the device

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Declaration

public Frequency DefaultSpiBusSpeed { get; }

SpiBusSpeed

The SPI bus speed for the device

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Declaration

public Frequency SpiBusSpeed { get; set; }

DefaultSpiBusMode

The default SPI bus mode for the device

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Declaration

public SpiClockConfiguration.Mode DefaultSpiBusMode { get; }

SpiBusMode

The SPI bus mode for the device

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Declaration

public SpiClockConfiguration.Mode SpiBusMode { get; set; }

IsDisposed

Is the object disposed

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Declaration

public bool IsDisposed { get; }

Fields

commandBuffer

The command buffer

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Declaration

protected readonly byte[] commandBuffer

dataCommandPort

Data command port

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Declaration

protected IDigitalOutputPort? dataCommandPort

resetPort

Reset port

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Declaration

protected IDigitalOutputPort? resetPort

chipSelectPort

Chip select port

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Declaration

protected IDigitalOutputPort? chipSelectPort

busyPort

Busy indicator port

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Declaration

protected IDigitalInputPort? busyPort

spiComms

SPI Communication bus used to communicate with the peripheral

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Declaration

protected ISpiCommunications? spiComms

DataState

Const bool representing the data state

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Declaration

protected const bool DataState = true

CommandState

Const bool representing the command state

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Declaration

protected const bool CommandState = false

createdPorts

Did we create the port(s) used by the peripheral

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Declaration

protected bool createdPorts

Methods

Write(byte)

Write a value to the display

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Declaration

protected void Write(byte value)

Parameters

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

Reset()

Reset the display

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Declaration

protected virtual void Reset()

DelayMs(int)

Delay for a specified amount of time

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Declaration

protected void DelayMs(int millseconds)

Parameters

Type	Name	Description
System.Int32	millseconds	The time in milliseconds

SendCommand(byte)

Send a command to the display

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Declaration

protected void SendCommand(byte command)

Parameters

Type	Name	Description
System.Byte	command	The command value

SendData(int)

Send data to the display

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Declaration

protected void SendData(int data)

Parameters

Type	Name	Description
System.Int32	data	The data (is cast to a byte)

SendData(byte)

Send data to the display

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Declaration

protected void SendData(byte data)

Parameters

Type	Name	Description
System.Byte	data	The data

SendData(byte[])

Send data to the display

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Declaration

protected void SendData(byte[] data)

Parameters

Type	Name	Description
System.Byte[]	data	The data

WaitUntilIdle()

Wait until the display is idle (not busy)

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Declaration

protected virtual void WaitUntilIdle()

Dispose()

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

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Declaration

public void Dispose()

Dispose(bool)

Dispose of the object

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Declaration

protected virtual void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing	Is disposing

Implements

• Meadow.Hardware.ISpiPeripheral
• System.IDisposable