[WIP] Status bar

PamhagenSysCtrl/Helpers/PamhagenPlant.cs

@@ -21,6 +21,11 @@ namespace PamhagenSysCtrl.Helpers {
             FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown
             ], default);
 
+        public string? PlcPortName => Plc?.PortName;
+        public T1.Status? LastPlcStatus => Plc?.LastPlcStatus;
+        public T1Error? LastPlcError => Plc?.LastPlcError;
+        public long? LastRttNs { get; private set; }
+
         public bool IsValveOpen(int n) => !IsValveClosed(n);
         public bool IsValveClosed(int n) => Sensors.GetDS(n);
         public bool WantValveClosed(int n) => !WantValveOpen(n);
@@ -133,14 +138,17 @@ namespace PamhagenSysCtrl.Helpers {
 
         protected async void BackgroundLoop(object? parameters) {
             while (IsRunning && Plc != null) {
+                var start = DateTime.Now;
                 try {
                     if (ActuatorsChanged) {
                         await Plc.WriteOutputs(Actuators);
                         ActuatorsChanged = false;
                     }
                     Sensors = await Plc.ReadInputs();
+                    LastRttNs = (long)(DateTime.Now - start).TotalNanoseconds;
                     RaiseUpdateEvent(new());
                 } catch (Exception exc) {
+                    LastRttNs = null;
                     var str = "Bei der SPS ist ein Fehler aufgetreten:\n\n" + exc.Message;
                     if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                     MessageBox.Show(str, "SPS-Fehler", MessageBoxButton.OK, MessageBoxImage.Error);