private GpioPinValue[] CollectInput()
{
var unchangedCount = 0;
var maxUnchangedCount = 100;
var last = default(GpioPinValue?);
var data = new List <GpioPinValue>(maxUnchangedCount * 2);
while (true)
{
var current = pin.ReadValue();
data.Add(current);
if (last != current)
{
unchangedCount = 0;
last = current;
}
else
{
unchangedCount++;
if (unchangedCount > maxUnchangedCount)
{
break;
}
}
}
return(data.ToArray());
}
/// <summary>
/// Reads the temperature.
/// </summary>
/// <param name="S">if set to <c>true</c> [s].</param>
/// <returns>Task<System.Single>.</returns>
public TempertureAndHumidity Read()
{
Console.WriteLine("初始化状态:" + pin.ReadValue());
//只是初始化。构造函数那边做了，只是再次确保执行正确
//pin.PinMode = GpioPinDriveMode.Output;
//pin.Write(GpioPinValue.High);
//Console.WriteLine("初始化，拉高电平1秒");
Thread.Sleep(1000);
//开始和传感器交互，等待交互数据。
WaitForRead();
//ReadData(out var temp, out var hum);
return(new TempertureAndHumidity()
{
Humidity = 0,
Temperture = 0
});
}
internal override GpioPinState GpioPinStateRead(int pin)
{
if (!PinController.IsValidPin(pin) || !IsDriverInitialized)
{
return(GpioPinState.Off);
}
GpioPin gpioPin = (GpioPin)Pi.Gpio[pin];
return((GpioPinState)gpioPin.ReadValue());
}
public GpioPinState GpioPinStateRead(int pin)
{
if (!IsValidPin(pin))
{
Logger.Log("The specified pin is invalid.");
return(GpioPinState.Off);
}
GpioPin gpioPin = (GpioPin)Pi.Gpio[pin];
return((GpioPinState)gpioPin.ReadValue());
}
internal override Pin GetPinConfig(int pinNumber)
{
if (!GpioCore.IsAllowedToExecute || !IsDriverInitialized)
{
return(new Pin());
}
if (!PinController.IsValidPin(pinNumber))
{
return(new Pin());
}
GpioPin pin = (GpioPin)Pi.Gpio[pinNumber];
return(new Pin(pinNumber, (GpioPinState)pin.ReadValue(), (GpioPinMode)pin.PinMode));
}
public GpioPinConfig GetGpioConfig(int pinNumber)
{
if (!PiController.IsAllowedToExecute || !IsDriverProperlyInitialized)
{
return(new GpioPinConfig());
}
if (!PiController.IsValidPin(pinNumber))
{
Logger.Log("The specified pin is invalid.");
return(new GpioPinConfig());
}
GpioPin pin = (GpioPin)Pi.Gpio[pinNumber];
return(new GpioPinConfig(pinNumber, (GpioPinState)pin.ReadValue(), (GpioPinMode)pin.PinMode, false, 0));
}
public Pin?GetPinConfig(int pinNumber)
{
if (!PiGpioController.IsAllowedToExecute || !IsDriverProperlyInitialized)
{
return(null);
}
if (!PinController.IsValidPin(pinNumber))
{
CastDriver <IGpioControllerDriver>(this).Logger.Log("The specified pin is invalid.");
return(null);
}
GpioPin pin = (GpioPin)Pi.Gpio[pinNumber];
return(new Pin(pinNumber, (GpioPinState)pin.ReadValue(), (GpioPinMode)pin.PinMode));
}
public GpioPinState GpioPinStateRead(int pin)
{
if (!PinController.IsValidPin(pin) || !IsDriverProperlyInitialized)
{
CastDriver <IGpioControllerDriver>(this)?.Logger.Log("The specified pin is invalid.");
return(GpioPinState.Off);
}
try {
GpioPin gpioPin = (GpioPin)Pi.Gpio[pin];
return((GpioPinState)gpioPin.ReadValue());
}
finally {
Pin?pinConfig = GetPinConfig(pin);
if (pinConfig != null)
{
CastDriver <IGpioControllerDriver>(this).UpdatePinConfig(pinConfig);
}
}
}
private void ReadInputValues(object sender, ElapsedEventArgs e)
{
//Doorbell
var doorbellOn = deviceStatusProvider.CurrentStatus.Doorbell == DoorbellStatus.On;
var doorbellPinOn = doorbellPin.ReadValue() == GpioPinValue.High;
if (doorbellOn != doorbellPinOn)
{
SendCommand(new UpdateDoorbell()
{
DesiredStatus = doorbellPinOn ? DoorbellStatus.On : DoorbellStatus.Off
});
}
//Doorlock
var doorlockPinOn = doorlockPin.ReadValue() == GpioPinValue.High;
switch (deviceStatusProvider.CurrentStatus.Alarm)
{
case AlarmStatus.On:
if (!doorlockPinOn)
{
SendCommand(new UpdateAlarm()
{
DesiredStatus = AlarmStatus.Active
});
}
break;
case AlarmStatus.Active:
if (doorlockPinOn)
{
SendCommand(new UpdateAlarm()
{
DesiredStatus = AlarmStatus.Off
});
}
break;
}
}
static int SignalSensor(GpioPin pin)
{
var count = 0;
var now = DateTime.Now;
pin.PinMode = GpioPinDriveMode.Output;
pin.Write(GpioPinValue.Low);
Thread.Sleep(100);
pin.PinMode = GpioPinDriveMode.Input;
while (pin.ReadValue() == GpioPinValue.Low)
{
count++;
if (IsDark(now))
{
maxStrength = count;
Console.WriteLine($"Pitch black value: {count}");
return(-1);
}
}
return(count);
}