private double GetLengthOfHighPulse()
{
TriggerPin.Write(GpioPinValue.Low);
Sleep(5);
TriggerPin.Write(GpioPinValue.High);
Sleep(10);
TriggerPin.Write(GpioPinValue.Low);
return(GetTimeUntilNextEdge(EchoPin, GpioPinValue.High, 100));
}
public void InitGPIO()
{
var gpio = GpioController.GetDefault();
if (gpio == null)
{
TriggerPin = null;
EchoPin = null;
return;
}
TriggerPin = gpio.OpenPin(27);
EchoPin = gpio.OpenPin(22);
if (!IsInitialized)
{
return;
}
TriggerPin.SetDriveMode(GpioPinDriveMode.Output);
EchoPin.SetDriveMode(GpioPinDriveMode.Input);
}
