Class Mcp23009

Represent an MCP23009 I2C port expander with open-drain outputs

Assembly: Mcp23xxx.dll

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Declaration

public class Mcp23009 : Mcp23x0x, IDigitalInputOutputController, IDigitalInputController, IDigitalOutputController, ISpiPeripheral, II2cPeripheral, IDigitalInterruptController, IPinController

Inheritance: System.Object -> Meadow.Foundation.ICs.IOExpanders.Mcp23xxx

Implements:
Meadow.Hardware.IDigitalInputOutputController, Meadow.Hardware.IDigitalInputController, Meadow.Hardware.IDigitalOutputController, Meadow.Hardware.ISpiPeripheral, Meadow.Hardware.II2cPeripheral, Meadow.Hardware.IDigitalInterruptController, Meadow.Hardware.IPinController

Methods

CreateDigitalOutputPort(IPin, bool)

Creates a new DigitalOutputPort using the specified pin and initial state

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Declaration

public IDigitalOutputPort CreateDigitalOutputPort(IPin pin, bool initialState = false)

Returns

Meadow.Hardware.IDigitalOutputPort: IDigitalOutputPort

Parameters

Type	Name	Description
Meadow.Hardware.IPin	pin	The pin number to create the port on
System.Boolean	initialState	Whether the pin is initially high or low

CreateDigitalOutputPort(IPin, bool, OutputType)

Creates a new DigitalOutputPort using the specified pin and initial state

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Declaration

public override IDigitalOutputPort CreateDigitalOutputPort(IPin pin, bool initialState = false, OutputType outputType = OutputType.OpenDrain)

Returns

Meadow.Hardware.IDigitalOutputPort: IDigitalOutputPort

Parameters

Type	Name	Description
Meadow.Hardware.IPin	pin	The pin number to create the port on
System.Boolean	initialState	Whether the pin is initially high or low
Meadow.Hardware.OutputType	outputType	The output type

Implements

• Meadow.Hardware.IDigitalInputOutputController
• Meadow.Hardware.IDigitalInputController
• Meadow.Hardware.IDigitalOutputController
• Meadow.Hardware.ISpiPeripheral
• Meadow.Hardware.II2cPeripheral
• Meadow.Hardware.IDigitalInterruptController
• Meadow.Hardware.IPinController