public PulseFeedback(GpioController gpioController, int pulsePinNumber, int echoPinNumber, PulseFeedbackMode mode)
{
if (!(gpioController.Provider is Gpio.Provider.GpioControllerApiWrapper p))
{
throw new NotSupportedException();
}
this.DisableInterrupts = false;
this.Timeout = TimeSpan.FromMilliseconds(100);
this.PulseLength = TimeSpan.FromMilliseconds(20);
this.PulsePinValue = GpioPinValue.High;
this.EchoPinValue = GpioPinValue.High;
this.PulsePinDriveMode = GpioPinDriveMode.Input;
this.EchoPinDriveMode = GpioPinDriveMode.Input;
this.mode = mode;
this.gpioApi = p.Api.Implementation;
this.pulsePinNumber = pulsePinNumber;
this.echoPinNumber = echoPinNumber;
this.pulsePin = gpioController.OpenPin(pulsePinNumber);
if (this.pulsePinNumber != this.echoPinNumber)
{
this.echoPin = gpioController.OpenPin(echoPinNumber);
}
this.pulsePin.SetDriveMode(GpioPinDriveMode.Input);
this.echoPin?.SetDriveMode(GpioPinDriveMode.Input);
}
public PulseFeedback(GpioPin pulsePin, GpioPin echoPin, PulseFeedbackMode mode)
{
this.DisableInterrupts = false;
this.Timeout = TimeSpan.FromMilliseconds(100);
this.PulseLength = TimeSpan.FromMilliseconds(20);
this.PulseValue = GpioPinValue.High;
this.EchoValue = GpioPinValue.High;
this.mode = mode;
this.pulsePin = pulsePin;
this.echoPin = echoPin;
this.pulsePinNumber = pulsePin.PinNumber;
this.echoPinNumber = echoPin != null ? echoPin.PinNumber : -1;
if (mode == PulseFeedbackMode.DrainDuration)
{
if (this.echoPin != null || this.pulsePin == null)
{
throw new ArgumentException();
}
}
else
{
if (this.echoPin == null || this.pulsePin == null)
{
throw new ArgumentException();
}
}
this.pulsePin.SetDriveMode(GpioPinDriveMode.Input);
this.echoPin?.SetDriveMode(GpioPinDriveMode.Input);
}
public PulseFeedback(GpioController gpioController, int pinNumber, PulseFeedbackMode mode)
: this(gpioController, pinNumber, pinNumber, mode)
{
}
public PulseFeedback(int pulsePinNumber, int echoPinNumber, PulseFeedbackMode mode)
: this(GpioController.GetDefault(), pulsePinNumber, echoPinNumber, mode)
{
}
public PulseFeedback(GpioPin pin, PulseFeedbackMode mode)
: this(pin, null, mode)
{
}
