RaspberryIO_26/Unosquare.WiringPi/SpiBus.cs

using System;

using Unosquare.RaspberryIO.Abstractions;

namespace Unosquare.WiringPi {
  /// <summary>
  /// The SPI Bus containing the 2 SPI channels.
  /// </summary>
  public class SpiBus : ISpiBus {
    /// <inheritdoc />
    public Int32 Channel0Frequency {
      get; set;
    }

    /// <inheritdoc />
    public Int32 Channel1Frequency {
      get; set;
    }

    /// <inheritdoc />
    public Int32 DefaultFrequency => 8000000;

    /// <inheritdoc />
    public ISpiChannel Channel0 {
      get {
        if(this.Channel0Frequency == 0) {
          this.Channel0Frequency = this.DefaultFrequency;
        }

        return SpiChannel.Retrieve(SpiChannelNumber.Channel0, this.Channel0Frequency);
      }
    }

    /// <inheritdoc />
    public ISpiChannel Channel1 {
      get {
        if(this.Channel1Frequency == 0) {
          this.Channel1Frequency = this.DefaultFrequency;
        }

        return SpiChannel.Retrieve(SpiChannelNumber.Channel1, this.Channel1Frequency);
      }
    }
  }
}