public AlarmSystem()
{
m_WatchDogTimeout = new TimeSpan(0, 0, 0, 0, 800);
DefaultTimeout = new TimeSpan(0, 0, 0, 2);
try
{
if (ProfileKeeper.IsExists())
{
TheProfile = ProfileKeeper.LoadProfile();
}
}
catch (Exception)
{
// ignore
}
if (TheProfile == null)
{
var ports = SerialPort.GetPortNames();
var name = ports.Length == 0 ? "COM1" : ports[0];
TheProfile =
new Profile
{
Name = name,
BaudRate = 115200,
DataBits = 8,
StopBits = StopBits.One,
Parity = Parity.None
};
ProfileKeeper.SaveProfile(TheProfile);
}
ShakingEnabled = true;
IlluminanceEnabled = true;
DistanceEnabled = true;
ConnectivityEnabled = true;
RealState = AlarmingState.None;
State = AlarmingState.Unarmed;
m_Watchdog = new Timer(WatchDogTimeout.TotalMilliseconds)
{
AutoReset = false
};
m_Watchdog.Elapsed += Watchdog_Triggered;
//m_IllumSmoother = new ExponentSmoother(0.2);
m_AccSmoother = new CuSumEventDetecter(0.5, 0.9, MaxAcc);
m_DistSmoother = new MinSmoother(5);
m_Port = new AsyncSerialPort(TheProfile, 12);
m_Port.OpenPort += Port_Open;
m_Port.ClosePort += Port_Close;
m_Port.PackageArrived += Port_Package;
m_Port.ReadWriteError += Port_Error;
IsOpen = false;
}
public void ClosePort()
{
if (!IsOpen)
{
return;
}
RealState = AlarmingState.None;
State = AlarmingState.Unarmed;
m_Port.Close();
}
private void Watchdog_Triggered(object sender, ElapsedEventArgs e)
{
var old = RealState;
RealState |= AlarmingState.Level4;
if (ConnectivityEnabled &&
!old.HasFlag(AlarmingState.Level4) &&
RealState.HasFlag(AlarmingState.Level4) &&
IsOpen)
{
State |= AlarmingState.Level4;
ConnLost?.Invoke();
}
}
private void CheckAlarm(Report report)
{
var old = RealState;
RealState = AlarmingState.None;
if (report.Distance > MaxDist)
{
RealState |= AlarmingState.Level1;
}
if (report.Illuminance > MaxIllum)
{
RealState |= AlarmingState.Level2;
}
if (m_AccSmoother.Occured)
{
RealState |= AlarmingState.Level3;
}
m_Watchdog.Stop();
if (ConnectivityEnabled)
{
m_Watchdog.Start();
}
if (!(DistanceEnabled || IlluminanceEnabled || ShakingEnabled || ConnectivityEnabled))
{
State = AlarmingState.Unarmed;
}
if (DistanceEnabled &&
!old.HasFlag(AlarmingState.Level1) &&
RealState.HasFlag(AlarmingState.Level1))
{
State |= AlarmingState.Level1;
}
if (IlluminanceEnabled &&
!old.HasFlag(AlarmingState.Level2) &&
RealState.HasFlag(AlarmingState.Level2))
{
State |= AlarmingState.Level2;
}
if (ShakingEnabled &&
!old.HasFlag(AlarmingState.Level3) &&
RealState.HasFlag(AlarmingState.Level3))
{
State |= AlarmingState.Level3;
}
}