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Class x74595

Provide an interface to connect to a 74595 shift register

Assembly: x74595.dll
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public class x74595 : IDigitalOutputController, IPinController, ISpiPeripheral

Implements:
Meadow.Hardware.IDigitalOutputController, Meadow.Hardware.IPinController, Meadow.Hardware.ISpiPeripheral

Properties

Pins

The pin definitions

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public x74595.PinDefinitions Pins { get; }

DefaultSpiBusSpeed

The default SPI bus speed for the device

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public Frequency DefaultSpiBusSpeed { get; }

SpiBusSpeed

The SPI bus speed for the device

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public Frequency SpiBusSpeed { get; set; }

DefaultSpiBusMode

The default SPI bus mode for the device

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public SpiClockConfiguration.Mode DefaultSpiBusMode { get; }

SpiBusMode

The SPI bus mode for the device

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public SpiClockConfiguration.Mode SpiBusMode { get; set; }

Fields

spiComms

SPI Communication bus used to communicate with the peripheral

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protected ISpiCommunications spiComms

Methods

CreateDigitalOutputPort(IPin, bool, OutputType)

Creates a new DigitalOutputPort using the specified pin and initial state

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public IDigitalOutputPort CreateDigitalOutputPort(IPin pin, bool initialState, OutputType outputType)
Returns

Meadow.Hardware.IDigitalOutputPort

Parameters
TypeNameDescription
Meadow.Hardware.IPinpinThe pin number to create the port on
System.BooleaninitialStateWhether the pin is initially high or low
Meadow.Hardware.OutputTypeoutputTypeThe port output type

Clear(bool)

Clear the shift register buffer

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public void Clear(bool update = true)
Parameters
TypeNameDescription
System.BooleanupdateIf true, send changes to the shift register

WriteToPin(IPin, bool)

Sets a particular pin's value.

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public void WriteToPin(IPin pin, bool value)
Parameters
TypeNameDescription
Meadow.Hardware.IPinpinThe pin to write to.
System.BooleanvalueThe value to write. True for high, false for low.

IsValidPin(IPin)

Checks whether or not the pin passed in exists on the chip.

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protected bool IsValidPin(IPin pin)
Returns

System.Boolean

Parameters
TypeName
Meadow.Hardware.IPinpin

GetPin(string)

Get pin from name

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public IPin GetPin(string pinName)
Returns

Meadow.Hardware.IPin: An IPin object

Parameters
TypeNameDescription
System.StringpinNameThe pin name

Implements

  • Meadow.Hardware.IDigitalOutputController
  • Meadow.Hardware.IPinController
  • Meadow.Hardware.ISpiPeripheral