/// <summary>
/// Initialize a new shift register connected through GPIO.
/// </summary>
/// <param name="pinMapping">The pin mapping to use by the binding.</param>
/// <param name="bitLength">Bit length of register, including chained registers.</param>
/// <param name="gpioController">The GPIO Controller used for interrupt handling.</param>
/// <param name="shouldDispose">True (the default) if the GPIO controller shall be disposed when disposing this instance.</param>
public ShiftRegister(ShiftRegisterPinMapping pinMapping, int bitLength, GpioController?gpioController = null, bool shouldDispose = true)
{
_shouldDispose = shouldDispose || gpioController is null;
_controller = gpioController ?? new GpioController();
_pinMapping = pinMapping;
_serial = _pinMapping.SerialDataInput;
_clock = _pinMapping.Clock;
_latch = _pinMapping.LatchEnable;
_bitLength = bitLength;
SetupPins();
}