44 lines
1.3 KiB
C#
44 lines
1.3 KiB
C#
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namespace Unosquare.RaspberryIO.Abstractions
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{
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/// <summary>
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/// Interfaces a SPI buses on the GPIO.
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/// </summary>
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public interface ISpiChannel
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{
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/// <summary>
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/// Gets the standard initialization file descriptor.
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/// anything negative means error.
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/// </summary>
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/// <value>
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/// The file descriptor.
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/// </value>
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int FileDescriptor { get; }
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/// <summary>
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/// Gets the channel.
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/// </summary>
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int Channel { get; }
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/// <summary>
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/// Gets the frequency.
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/// </summary>
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int Frequency { get; }
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/// <summary>
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/// Sends data and simultaneously receives the data in the return buffer.
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/// </summary>
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/// <param name="buffer">The buffer.</param>
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/// <returns>The read bytes from the ring-style bus.</returns>
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byte[] SendReceive(byte[] buffer);
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/// <summary>
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/// Writes the specified buffer the the underlying FileDescriptor.
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/// Do not use this method if you expect data back.
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/// This method is efficient if used in a fire-and-forget scenario
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/// like sending data over to those long RGB LED strips.
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/// </summary>
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/// <param name="buffer">The buffer.</param>
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void Write(byte[] buffer);
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}
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}
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