// Event handler koji se poziva kad PLC postane online ili offline (Ethernet kabel se spoji ili odspoji).
private void PLCInterface_PLCOnlineChanged(object sender, OnlineMarkerEventArgs e)
{
if (e.OnlineMark)
{
mwHandle.onlineFlag.Dispatcher.BeginInvoke((Action)(() => { mwHandle.onlineFlag.Fill = new LinearGradientBrush(Colors.Green, Colors.White, 0.0); }));
mwHandle.t_connectionStatus.Dispatcher.BeginInvoke((Action)(() => { mwHandle.t_connectionStatus.Text = "PLC Status: Online"; }));
}
else
{
mwHandle.onlineFlag.Dispatcher.BeginInvoke((Action)(() => { mwHandle.onlineFlag.Fill = new LinearGradientBrush((Color)ColorConverter.ConvertFromString("#FF979797"), Colors.White, 0.0); }));
mwHandle.t_connectionStatus.Dispatcher.BeginInvoke((Action)(() => { mwHandle.t_connectionStatus.Text = "PLC Status: Offline"; }));
}
}
private void onClockWatchdogTick(Object source, System.Timers.ElapsedEventArgs e)
{
lock (TimerLock)
{
int result = -99;
Array.Clear(WatchdogBuffer, 0, WatchdogBuffer.Length);
switch (activeScreen)
{
case 0:
break;
case 1:
S7.SetBitAt(ref WatchdogBuffer, 0, 3, true);
break;
case 2:
S7.SetBitAt(ref WatchdogBuffer, 0, 4, true);
break;
case 3:
S7.SetBitAt(ref WatchdogBuffer, 0, 5, true);
break;
case 4:
S7.SetBitAt(ref WatchdogBuffer, 0, 6, true);
break;
case 5:
S7.SetBitAt(ref WatchdogBuffer, 0, 7, true);
break;
case 6:
S7.SetBitAt(ref WatchdogBuffer, 1, 0, true);
break;
case 7:
S7.SetBitAt(ref WatchdogBuffer, 1, 1, true);
break;
case 8:
S7.SetBitAt(ref WatchdogBuffer, 1, 2, true);
break;
}
S7.SetBitAt(ref WatchdogBuffer, 0, 1, true);
result = Client.DBWrite(10, 0, 2, WatchdogBuffer);
if (result == 0)
{
Errorcode = Client.DBRead(12, 0, 1, WatchdogBuffer);
}
else
{
OnlineMark = false;
}
if (Errorcode == 0)
{
OnlineMark = S7.GetBitAt(WatchdogBuffer, 0, 0);
}
else
{
OnlineMark = false;
}
}
OnlineMarkerEventArgs p = new OnlineMarkerEventArgs();
p.OnlineMark = OnlineMark;
if (Update_Online_Flag != null)
{
Update_Online_Flag(this, p);
}
if (OnlineMark)
{
WatchDogTimer.Start();
}
else
{
Errorcode = Errorcode + 0;
RestartInterface();
}
}
