Class Tca9548aBus

Tca9548a I2C bus

Assembly: Tca9548a.dll

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public class Tca9548aBus : II2cBus, IDisposable

Implements:
Meadow.Hardware.II2cBus, System.IDisposable

Properties

BusSpeed

I2C bus frequency

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public I2cBusSpeed BusSpeed { get; set; }

Methods

WriteData(byte, params byte[])

Write data to the bus

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public void WriteData(byte peripheralAddress, params byte[] data)

Parameters

Type	Name	Description
System.Byte	peripheralAddress	Device address
System.Byte[]	data	Data to write

Write(byte, Span<byte>)

Write data to the bus

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public void Write(byte peripheralAddress, Span<byte> data)

Parameters

Type	Name	Description
System.Byte	peripheralAddress	Device address
System.Span<System.Byte>	data	Data to write

Exchange(byte, Span<byte>, Span<byte>)

Exchange data

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public void Exchange(byte peripheralAddress, Span<byte> writeBuffer, Span<byte> readBuffer)

Parameters

Type	Name	Description
System.Byte	peripheralAddress	Device address
System.Span<System.Byte>	writeBuffer	Buffer with data to write
System.Span<System.Byte>	readBuffer	Buffer to receive data

ReadData(byte, int)

Read data from the I2C bus

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public byte[] ReadData(byte peripheralAddress, int numberOfBytes)

Returns

System.Byte[]

Parameters

Type	Name	Description
System.Byte	peripheralAddress	Device address
System.Int32	numberOfBytes	Number of bytes to read

WriteData(byte, Span<byte>, int)

Write data to the bus from a span

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public void WriteData(byte peripheralAddress, Span<byte> data, int length)

Parameters

Type	Name	Description
System.Byte	peripheralAddress	Device address
System.Span<System.Byte>	data	Data to write
System.Int32	length	Length of data to write

ExchangeData(byte, Span<byte>, int, Span<byte>, int)

Exchange data

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public void ExchangeData(byte peripheralAddress, Span<byte> writeBuffer, int writeCount, Span<byte> readBuffer, int readCount)

Parameters

Type	Name	Description
System.Byte	peripheralAddress	Device address
System.Span<System.Byte>	writeBuffer	Buffer with data to write
System.Int32	writeCount	Number of bytes to write
System.Span<System.Byte>	readBuffer	Buffer to receive data
System.Int32	readCount	Number of bytes to read

Dispose()

Dispose

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public void Dispose()

Read(byte, Span<byte>)

Read data from the bus

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public void Read(byte peripheralAddress, Span<byte> readBuffer)

Parameters

Type	Name	Description
System.Byte	peripheralAddress	Device address
System.Span<System.Byte>	readBuffer	Buffer to receive data

Implements

• Meadow.Hardware.II2cBus
• System.IDisposable