/// <summary>
/// Gets the Broadcom GPIO pin number form the physical pin number
/// </summary>
/// <param name="pinNumber">The physical pin number</param>
/// <returns>The equivalent Broadcom ID</returns>
private static BroadcomPinNumber ConvertToBroadcom(PhysicalPinNumber pinNumber)
{
switch (pinNumber)
{
case PhysicalPinNumber.Seven:
return BroadcomPinNumber.Four;
case PhysicalPinNumber.Eleven:
return BroadcomPinNumber.Seventeen;
case PhysicalPinNumber.Twelve:
return BroadcomPinNumber.Eighteen;
case PhysicalPinNumber.Thirteen:
return BroadcomPinNumber.TwentyOne;
case PhysicalPinNumber.Fifteen:
return BroadcomPinNumber.TwentyTwo;
case PhysicalPinNumber.Sixteen:
return BroadcomPinNumber.TwentyThree;
case PhysicalPinNumber.Eighteen:
return BroadcomPinNumber.TwentyFour;
case PhysicalPinNumber.TwentyTwo:
return BroadcomPinNumber.TwentyFive;
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Configures a GPIO channel for use
/// </summary>
/// <param name="pinNumber">The physical pin number to configure</param>
/// <param name="direction">The direction to configure the pin for</param>
public void SetupChannel(PhysicalPinNumber pinNumber, Direction direction)
{
this.SetupChannel(ConvertToBroadcom(pinNumber), direction);
}
/// <summary>
/// Reads a value form a GPIO pin
/// </summary>
/// <param name="pinNumber">The pin number to read</param>
/// <returns>The value at that pin</returns>
/// <exception cref="InvalidOperationException">
/// Thrown when an attempt to use an incorrectly configured channel is made
/// </exception>
public bool ReadValue(PhysicalPinNumber pinNumber)
{
return this.ReadValue(ConvertToBroadcom(pinNumber));
}
/// <summary>
/// Outputs a value to a GPIO pin
/// </summary>
/// <param name="pinNumber">The pin number to use</param>
/// <param name="value">The value to output</param>
/// <exception cref="InvalidOperationException">
/// Thrown when an attempt to use an incorrectly configured channel is made
/// </exception>
public void OutputValue(PhysicalPinNumber pinNumber, bool value)
{
this.OutputValue(ConvertToBroadcom(pinNumber), value);
}
/// <summary>
/// Reads a value form a GPIO pin
/// </summary>
/// <param name="pinNumber">The pin number to read</param>
/// <returns>The value at that pin</returns>
/// <exception cref="InvalidOperationException">
/// Thrown when an attempt to use an incorrectly configured channel is made
/// </exception>
public bool ReadValue(PhysicalPinNumber pinNumber)
{
return(this.ReadValue(ConvertToBroadcom(pinNumber)));
}
/// <summary>
/// Outputs a value to a GPIO pin
/// </summary>
/// <param name="pinNumber">The pin number to use</param>
/// <param name="value">The value to output</param>
/// <exception cref="InvalidOperationException">
/// Thrown when an attempt to use an incorrectly configured channel is made
/// </exception>
public void OutputValue(PhysicalPinNumber pinNumber, bool value)
{
this.OutputValue(ConvertToBroadcom(pinNumber), value);
}
/// <summary>
/// Closes a GPIO channel
/// </summary>
/// <param name="pinNumber">The physical pin number to configure</param>
public void CloseChannel(PhysicalPinNumber pinNumber)
{
this.CloseChannel(ConvertToBroadcom(pinNumber));
}