/// <summary>
/// Opens the specified general-purpose I/O (GPIO) pin in the specified mode.
/// </summary>
/// <param name="pinNumber">The pin number of the GPIO pin that you want to open. Some pins may not be available
/// in user mode. For information about how the pin numbers correspond to physical pins, see the
/// documentation for your circuit board.</param>
/// <param name="sharingMode">The mode in which you want to open the GPIO pin, which determines whether other
/// connections to the pin can be opened while you have the pin open.</param>
/// <returns>The opened GPIO pin.</returns>
public GpioPin OpenPin(int pinNumber, GpioSharingMode sharingMode)
{
GpioPin pin = new GpioPin();
if (!pin.Init(pinNumber))
{
throw new InvalidOperationException();
}
return pin;
}
/// <summary>
/// Opens the specified general-purpose I/O (GPIO) pin in the specified mode.
/// </summary>
/// <param name="pinNumber">The pin number of the GPIO pin that you want to open. Some pins may not be available
/// in user mode. For information about how the pin numbers correspond to physical pins, see the
/// documentation for your circuit board.</param>
/// <param name="sharingMode">The mode in which you want to open the GPIO pin, which determines whether other
/// connections to the pin can be opened while you have the pin open.</param>
/// <returns>The opened GPIO pin.</returns>
public GpioPin OpenPin(int pinNumber, GpioSharingMode sharingMode)
{
GpioPin pin = new GpioPin();
if (!pin.Init(pinNumber))
{
throw new InvalidOperationException();
}
return(pin);
}
/// <summary>
/// Opens the specified general-purpose I/O (GPIO) pin in the specified mode, and gets a status value that can
/// be used to handle a failure to open the pin programmatically.
/// </summary>
/// <param name="pinNumber">The pin number of the GPIO pin that you want to open. Some pins may not be available
/// in user mode. For information about how the pin numbers correspond to physical pins, see the
/// documentation for your circuit board.</param>
/// <param name="sharingMode">The mode in which you want to open the GPIO pin, which determines whether other
/// connections to the pin can be opened while you have the pin open.</param>
/// <param name="pin">The opened GPIO pin if the open status is GpioOpenStatus.Success; otherwise null.</param>
/// <param name="openStatus">An enumeration value that indicates either that the attempt to open the GPIO pin
/// succeeded, or the reason that the attempt to open the GPIO pin failed.</param>
/// <returns>True if the pin could be opened; otherwise false.</returns>
public bool TryOpenPin(int pinNumber, GpioSharingMode sharingMode, out GpioPin pin, out GpioOpenStatus openStatus)
{
GpioPin newPin = new GpioPin();
if (!newPin.Init(pinNumber))
{
pin = null;
openStatus = GpioOpenStatus.PinUnavailable;
return true;
}
pin = newPin;
openStatus = GpioOpenStatus.PinOpened;
return true;
}
/// <summary>
/// Opens the specified general-purpose I/O (GPIO) pin in the specified mode, and gets a status value that can
/// be used to handle a failure to open the pin programmatically.
/// </summary>
/// <param name="pinNumber">The pin number of the GPIO pin that you want to open. Some pins may not be available
/// in user mode. For information about how the pin numbers correspond to physical pins, see the
/// documentation for your circuit board.</param>
/// <param name="sharingMode">The mode in which you want to open the GPIO pin, which determines whether other
/// connections to the pin can be opened while you have the pin open.</param>
/// <param name="pin">The opened GPIO pin if the open status is GpioOpenStatus.Success; otherwise null.</param>
/// <param name="openStatus">An enumeration value that indicates either that the attempt to open the GPIO pin
/// succeeded, or the reason that the attempt to open the GPIO pin failed.</param>
/// <returns>True if the pin could be opened; otherwise false.</returns>
public bool TryOpenPin(int pinNumber, GpioSharingMode sharingMode, out GpioPin pin, out GpioOpenStatus openStatus)
{
GpioPin newPin = new GpioPin();
if (!newPin.Init(pinNumber))
{
pin = null;
openStatus = GpioOpenStatus.PinUnavailable;
return(true);
}
pin = newPin;
openStatus = GpioOpenStatus.PinOpened;
return(true);
}