Class Pca9685

Represents a PCA9685

Assembly: Pca9685.dll

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Declaration

public class Pca9685 : II2cPeripheral, IDigitalOutputController, IPwmOutputController, IPinController, IDisposable

Implements:
Meadow.Hardware.II2cPeripheral, Meadow.Hardware.IDigitalOutputController, Meadow.Hardware.IPwmOutputController, Meadow.Hardware.IPinController, System.IDisposable

Properties

DefaultI2cAddress

The default I2C address for the peripheral

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Declaration

public byte DefaultI2cAddress { get; }

i2cBus

The I2C bus connected to the pca9685

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Declaration

protected II2cBus i2cBus { get; set; }

Pins

PCA9685 pin definitions

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Declaration

public Pca9685.PinDefinitions Pins { get; }

Frequency

The frequency for the PWM outputs

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Declaration

public Frequency Frequency { get; }

Fields

i2cComms

I2C Communication bus used to communicate with the peripheral

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Declaration

protected readonly II2cCommunications i2cComms

Methods

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.

CreatePwmPort(IPin, float, bool)

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Declaration

public IPwmPort CreatePwmPort(IPin pin, float dutyCycle = 0.5, bool invert = false)

Returns

Meadow.Hardware.IPwmPort

Parameters

Type	Name
Meadow.Hardware.IPin	pin
System.Single	dutyCycle
System.Boolean	invert

CreatePwmPort(IPin, Frequency, float, bool)

Creates an IPwmPort on the specified pin.

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Declaration

public IPwmPort CreatePwmPort(IPin pin, Frequency frequency, float dutyCycle = 0.5, bool invert = false)

Returns

Meadow.Hardware.IPwmPort: The created PWM port.

Parameters

Type	Name	Description
Meadow.Hardware.IPin	pin	The pin on which to create the PWM port.
Meadow.Units.Frequency	frequency	The desired frequency of the PWM signal.
System.Single	dutyCycle	The desired duty cycle of the PWM signal. Defaults to Meadow.Hardware.IPwmOutputController.DefaultPwmDutyCycle.
System.Boolean	invert	Specifies whether the PWM signal should be inverted. Defaults to false.

Dispose(bool)

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Declaration

protected virtual void Dispose(bool disposing)

Parameters

Type	Name
System.Boolean	disposing

Dispose()

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

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Declaration

public void Dispose()

Implements

• Meadow.Hardware.II2cPeripheral
• Meadow.Hardware.IDigitalOutputController
• Meadow.Hardware.IPwmOutputController
• Meadow.Hardware.IPinController
• System.IDisposable