Class Cp2112

Represents a CP2112 USB IO Expander

Assembly: Cp2112.dll

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Declaration

public class Cp2112 : IDisposable, IDigitalInputOutputController, IDigitalInputController, IDigitalOutputController, II2cController, IPinController

Implements:
System.IDisposable, Meadow.Hardware.IDigitalInputOutputController, Meadow.Hardware.IDigitalInputController, Meadow.Hardware.IDigitalOutputController, Meadow.Hardware.II2cController, Meadow.Hardware.IPinController

Properties

Pins

The pins

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Declaration

public Cp2112.PinDefinitions Pins { get; }

Methods

CreateI2cBus(int)

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Declaration

public II2cBus CreateI2cBus(int busNumber = 0)

Returns

Meadow.Hardware.II2cBus

Parameters

Type	Name
System.Int32	busNumber

CreateI2cBus(IPin[], I2cBusSpeed)

Creates an I2C bus instance for the requested pins and bus speed

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Declaration

public II2cBus CreateI2cBus(IPin[] pins, I2cBusSpeed busSpeed)

Returns

Meadow.Hardware.II2cBus: An instance of an I2cBus

Parameters

Type	Name	Description
Meadow.Hardware.IPin[]	pins	An array of two pins holding the I2C clock and data pins
Meadow.Hardware.I2cBusSpeed	busSpeed	The bus speed

CreateI2cBus(IPin, IPin, I2cBusSpeed)

Creates an I2C bus instance for the requested pins and bus speed

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Declaration

public II2cBus CreateI2cBus(IPin clock, IPin data, I2cBusSpeed busSpeed)

Returns

Meadow.Hardware.II2cBus: An instance of an I2cBus

Parameters

Type	Name	Description
Meadow.Hardware.IPin	clock	The I2C clock pin
Meadow.Hardware.IPin	data	The I2C data pin
Meadow.Hardware.I2cBusSpeed	busSpeed	The bus speed

CreateI2cBus(int, I2cBusSpeed)

Creates an I2C bus instance for the default pins and the requested bus speed

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Declaration

public II2cBus CreateI2cBus(int busNumber, I2cBusSpeed busSpeed)

Returns

Meadow.Hardware.II2cBus: An instance of an I2cBus

Parameters

Type	Name	Description
System.Int32	busNumber	The bus number
Meadow.Hardware.I2cBusSpeed	busSpeed	The bus speed

CreateDigitalInputPort(IPin, ResistorMode)

Creates an IDigitalInputPort on the specified pin.

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Declaration

public IDigitalInputPort CreateDigitalInputPort(IPin pin, ResistorMode resistorMode)

Returns

Meadow.Hardware.IDigitalInputPort

Parameters

Type	Name	Description
Meadow.Hardware.IPin	pin	The pin on which to create the port.
Meadow.Hardware.ResistorMode	resistorMode	The ResistorMode specifying whether an

external pull-up/pull-down resistor is used, or an internal pull-up/pull-down
resistor should be configured for default state. |

CreateDigitalOutputPort(IPin, bool, OutputType)

Creates an IDigitalOutputPort on the specified pin.

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Declaration

public IDigitalOutputPort CreateDigitalOutputPort(IPin pin, bool initialState = false, OutputType initialOutputType = OutputType.PushPull)

Returns

Meadow.Hardware.IDigitalOutputPort

Parameters

Type	Name	Description
Meadow.Hardware.IPin	pin	The pin on which to create the port.
System.Boolean	initialState	The default initial state of the port,
either LOW (false), or HIGH (true).
Meadow.Hardware.OutputType	initialOutputType	Whether the port is initially configured
as PushPull or OpenDrain. PushPull by default.

Dispose(bool)

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Declaration

protected virtual void Dispose(bool disposing)

Parameters

Type	Name
System.Boolean	disposing

~Cp2112()

Finalizes native resources for the CP2112

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Declaration

protected ~Cp2112()

Dispose()

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

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Declaration

public void Dispose()

Implements

• System.IDisposable
• Meadow.Hardware.IDigitalInputOutputController
• Meadow.Hardware.IDigitalInputController
• Meadow.Hardware.IDigitalOutputController
• Meadow.Hardware.II2cController
• Meadow.Hardware.IPinController