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Class Ft232SpiBus

Represents an SPI bus implementation using the FT232 device.

Assembly: Ft232h.dll​
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Declaration
public sealed class Ft232SpiBus : ISpiBus, IDisposable

Implements:
Meadow.Hardware.ISpiBus, System.IDisposable

Properties​

Handle​

Gets the handle to the FT232 device.

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Declaration
public IntPtr Handle { get; }

GpioDirectionMask​

Gets or sets the GPIO direction mask for the FT232 device.

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Declaration
public byte GpioDirectionMask { get; set; }

GpioState​

Gets or sets the state of the GPIO pins on the FT232 device.

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Declaration
public byte GpioState { get; set; }

SupportedSpeeds​

Gets an array of all supported speeds of the SPI bus.

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Declaration
public Frequency[] SupportedSpeeds { get; }

Configuration​

Gets the current SPI clock configuration.

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Declaration
public SpiClockConfiguration Configuration { get; set; }

Fields​

DefaultClockRate​

The default SPI clock rate for the FT232H

View Source​
Declaration
public const uint DefaultClockRate = 25000000

Methods​

~Ft232SpiBus()​

Finalizer for the Ft232SpiBus class, used to release unmanaged resources.

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Declaration
protected ~Ft232SpiBus()

Dispose()​

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

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Declaration
public void Dispose()

Read(IDigitalOutputPort?, Span<byte>, ChipSelectMode)​

Reads data from the SPI bus into the specified buffer.

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Declaration
public void Read(IDigitalOutputPort? chipSelect, Span<byte> readBuffer, ChipSelectMode csMode = ChipSelectMode.ActiveLow)
Parameters​
TypeNameDescription
Meadow.Hardware.IDigitalOutputPortchipSelectThe chip select port to activate the bus.
System.Span<System.Byte>readBufferThe buffer to read data into.
Meadow.Hardware.ChipSelectModecsModeThe chip select mode that activates the peripheral.

Write(IDigitalOutputPort?, Span<byte>, ChipSelectMode)​

Writes data to the SPI bus.

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Declaration
public void Write(IDigitalOutputPort? chipSelect, Span<byte> writeBuffer, ChipSelectMode csMode = ChipSelectMode.ActiveLow)
Parameters​
TypeNameDescription
Meadow.Hardware.IDigitalOutputPortchipSelectThe chip select port to activate the peripheral.
System.Span<System.Byte>writeBufferThe buffer containing data to write.
Meadow.Hardware.ChipSelectModecsModeThe chip select mode that activates the peripheral.

Exchange(IDigitalOutputPort?, Span<byte>, Span<byte>, ChipSelectMode)​

Writes data from the write buffer to a peripheral on the bus while reading return data into the read buffer.

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Declaration
public void Exchange(IDigitalOutputPort? chipSelect, Span<byte> writeBuffer, Span<byte> readBuffer, ChipSelectMode csMode = ChipSelectMode.ActiveLow)
Parameters​
TypeNameDescription
Meadow.Hardware.IDigitalOutputPortchipSelectThe chip select port to activate the peripheral.
System.Span<System.Byte>writeBufferThe buffer containing data to write.
System.Span<System.Byte>readBufferThe buffer to read returning data into.
Meadow.Hardware.ChipSelectModecsModeThe chip select mode that activates the peripheral.

Implements​

  • Meadow.Hardware.ISpiBus
  • System.IDisposable