private void CheckInputPins()
{
var newPinValues = Driver.Read(inputPins);
var notifiedConfigurations = new List <PinConfiguration>();
foreach (var processorPin in inputPins.Enumerate())
{
var np = (ProcessorPin)processorPin;
var oldPinValue = pinRawValues.Get(processorPin);
var newPinValue = newPinValues.Get(processorPin);
if (oldPinValue != newPinValue)
{
var pin = (InputPinConfiguration)pinConfigurations[np];
var switchPin = pin as SwitchInputPinConfiguration;
if (switchPin != null)
{
if (pin.GetEffective(newPinValue))
{
pinValues[np] = !pinValues[np];
notifiedConfigurations.Add(pin);
}
}
else
{
pinValues[np] = pin.GetEffective(newPinValue);
notifiedConfigurations.Add(pin);
}
}
}
pinRawValues = newPinValues;
// Only fires events once all states have been modified.
foreach (var pin in notifiedConfigurations)
{
OnPinStatusChanged(new PinStatusEventArgs {
Configuration = pin, Enabled = pinValues[pin.Pin]
});
}
}
/// <summary>
/// Enumerates the specified pins.
/// </summary>
/// <param name="pins">The pins.</param>
/// <returns>The pins.</returns>
public static IEnumerable <int> Enumerate(this ProcessorPins pins)
{
return(Enumerable.Range(0, pins.Count)
.Where(p => (pins.Get(p)))
.ToArray());
}
