/// <summary>
/// Switch event has occurred
/// </summary>
/// <param name="pressed">true iff switch is pressed (on)</param>
public void SwitchEvent(bool pressed)
{
#if DebugViaPrint
//Debug.Print("Switch. _debounceState: " + DebounceStateDef + ", pressed: " + pressed);
#endif
switch (_debounceState)
{
case DebounceStates.WaitPress:
if (!pressed)
{
return;
}
_debounceState = DebounceStates.DebouncePress;
_debounceTimer.Start();
#if DebugViaPrint
Debug.Print("Switch. Switch to " + DebounceStateDef);
#endif
break;
case DebounceStates.DebouncePress:
break;
case DebounceStates.WaitRelease:
if (pressed)
{
return;
}
var now = DateTime.Now;
var pressDuration = now - _pressedTime;
var shortPress = pressDuration < _longPressWaitSpan;
#if DebugViaPrint
Debug.Print("Switch. now: " + now + "." + now.Millisecond + ", _pressedTime: " + _pressedTime + "." + _pressedTime.Millisecond
+ ", \npressDuration: " + pressDuration + ", shortPress: " + shortPress);
#endif
if (ClickResult != null)
{
ClickResult(now, shortPress);
}
_debounceState = DebounceStates.DebounceRelease;
_debounceTimer.Start();
#if DebugViaPrint
Debug.Print("Switch. Switch to " + DebounceStateDef);
#endif
break;
case DebounceStates.DebounceRelease:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Debounce timer
/// </summary>
/// <param name="obj"></param>
private void DebounceTimer_Tick(object obj)
{
#if DebugViaPrint
//Debug.Print("Timer. _debounceState: " + DebounceStateDef);
#endif
switch (_debounceState)
{
case DebounceStates.WaitPress:
// Ignore
break;
case DebounceStates.DebouncePress:
var portValue = _port.Read() ? 1 : 0;
if (portValue != _onVal)
{
_debounceState = DebounceStates.WaitPress;
#if DebugViaPrint
Debug.Print("Timer. Brief click. Switch to " + DebounceStateDef);
#endif
break;
}
_debounceState = DebounceStates.WaitRelease;
_pressedTime = DateTime.Now;
#if DebugViaPrint
Debug.Print("Timer. Switch to " + DebounceStateDef);
#endif
break;
case DebounceStates.WaitRelease:
// Ignore
break;
case DebounceStates.DebounceRelease:
_debounceState = DebounceStates.WaitPress;
#if DebugViaPrint
Debug.Print("Timer. Switch to " + DebounceStateDef);
#endif
break;
default:
throw new ArgumentOutOfRangeException();
}
}