add visual representation of relay states to topology

csharp/App/SaliMax/src/Program.cs

@@ -213,6 +213,9 @@ internal static class Program
 
             record.Config.Save();
 
+        
+            
+                
             "===========================================".LogInfo();
 
             return record;

csharp/App/SaliMax/src/SaliMaxRelays/RelaysRecord.cs

@@ -11,7 +11,6 @@ public class RelaysRecord
     public Boolean K1GridBusIsConnectedToGrid      => _Regs.DigitalInput6;
     public Boolean K2IslandBusIsConnectedToGridBus => !_Regs.DigitalInput4;
 
-
     public IEnumerable<Boolean> K3InverterIsConnectedToIslandBus
     {
         get

csharp/App/SaliMax/src/Switch.cs

@@ -0,0 +1,15 @@
+using InnovEnergy.Lib.Utils;
+
+namespace InnovEnergy.App.SaliMax;
+
+public static class Switch
+{
+    public static TextBlock Open(String name)
+    {
+        return TextBlock.AlignCenterHorizontal
+        (
+            "  __╱ __  ",
+            name
+        );
+    }
+}

csharp/App/SaliMax/src/System/Controller.cs

@@ -20,7 +20,6 @@ public static class Controller
         if (acDcs.NotAvailable())
             return 102;
 
-
         var k4 = acDcs.AllGridTied() ? 0
                : acDcs.AllIsland()   ? 1
                : 4;
@@ -38,6 +37,7 @@ public static class Controller
         var k2 = relays.K2IslandBusIsConnectedToGridBus                               ? 1 : 0;
         var k3 = relays.K3InverterIsConnectedToIslandBus.Take(nInverters).Any(c => c) ? 1 : 0;
         
+        
         // states as defined in states excel sheet 
         return 1 * k1 
              + 2 * k2 

csharp/App/SaliMax/src/Topology.cs

@@ -14,7 +14,6 @@ public static class Topology
 {
     public static TextBlock CreateTopology(this StatusRecord status)
     {
-        // Topology is built up from right to left
         var islandTopology = status.CreateIslandTopology();
 
         // TODO: check ACDCs if AC is available and synced to find out if grid meter OR grid is unavailable
@@ -36,10 +35,13 @@ public static class Topology
         
         ActivePower islandToGridBusPower = inverterPower + islandLoadPower;
 
+        var k2 = status.Relays?.K2IslandBusIsConnectedToGridBus;
+        var gridToIslandConnection = SwitchedFlow(k2, islandToGridBusPower);
+        
         return TextBlock.AlignCenterVertical
         (
             gridTopology,
-            Flow.Horizontal(islandToGridBusPower),
+            gridToIslandConnection,
             islandTopology
         ); 
     }
@@ -51,13 +53,25 @@ public static class Topology
         var gridBusColumn = status.CreateGridBusColumn();
         var gridBox       = status.GridMeter.CreateGridBox();
 
+        var k1        = status.Relays?.K1GridBusIsConnectedToGrid;
+        var gridPower = status.GridMeter.Ac.Power.Active;
+        var gridFlow  = SwitchedFlow(k1, gridPower);
+        
         return TextBlock
               .AlignCenterVertical
               (
                   gridBox,
-                  Flow.Horizontal(status.GridMeter.Ac.Power.Active),
+                  gridFlow,
                   gridBusColumn
               );
+    
+    }
+
+    private static TextBlock SwitchedFlow(Boolean? switchClosed, ActivePower power)
+    {
+        return switchClosed is null ? TextBlock.FromString("??????????")
+             : !switchClosed.Value  ? Switch.Open("K1")
+             : Flow.Horizontal(power);
     }
 
     private static TextBlock CreateIslandTopology(this StatusRecord status)
@@ -78,14 +92,34 @@ public static class Topology
         return TextBlock
               .AlignCenterVertical
               (
-                  islandBusColumn, Flow.Horizontal(inverterPower),
-                  inverterBox    , Flow.Horizontal(inverterPower),
+                  islandBusColumn, status.InverterToIslandBusConnection(),  
+                  inverterBox    , Flow.Horizontal(inverterPower), // inverter to DC bus
                   dcBusColumn    , Flow.Horizontal(dcdcPower),
                   dcDcBox        , Flow.Horizontal(dcBatteryPower),
                   batteries
               );
     }
 
+    [SuppressMessage("ReSharper", "PossibleMultipleEnumeration")]
+    private static TextBlock InverterToIslandBusConnection(this StatusRecord status)
+    {
+        if (status.Relays is null)
+            return TextBlock.FromString("????????");
+        
+        var k3S = status
+                 .Relays
+                 .K3InverterIsConnectedToIslandBus
+                 .Take(status.AcDc.Devices.Count);
+
+        if (k3S.All(s => s))
+        {
+            var inverterPower = status.AcDc.Ac.Power.Active;
+            return Flow.Horizontal(inverterPower);
+        }
+
+        return Switch.Open("K3");
+    }
+
     private static TextBlock CreateGridBox(this IAc3Connection gridMeter)
     {
         return gridMeter
@@ -163,6 +197,9 @@ public static class Topology
         var bat = status.Battery;
         var batteryAvgBox = CreateAveragedBatteryBox(bat);
 
+        return batteryAvgBox; // TODO: individualBatteries hidden atm 
+        
+        
         var batteryBoxes = bat
                           .Devices
                           .Select(CreateBatteryBox)
@@ -175,8 +212,8 @@ public static class Topology
         return TextBlock
               .AlignCenterVertical
               (
-                  batteryAvgBox //,
-                  //individualBatteries // TODO
+                  batteryAvgBox ,
+                  individualBatteries 
               );
     }
 
@@ -189,6 +226,7 @@ public static class Topology
         var heatingCurrent = bat.HeatingCurrent.ToDisplayString();
         var alarms         = bat.Alarms.Count + " Alarms";
         var warnings       = bat.Warnings.Count + " Warnings";
+        var nBatteries     = bat.Devices.Count;
         
         return TextBlock
               .AlignLeft
@@ -201,7 +239,7 @@ public static class Topology
                   warnings,
                   alarms
               )
-              .TitleBox("Battery");
+              .TitleBox($"Battery x{nBatteries}");
     }
 
     private static TextBlock PhaseVoltages(this Ac3Bus ac)