Use IReadOnlyList for BatteryNodes

csharp/App/SaliMax/src/Program.cs

@@ -33,7 +33,7 @@ internal static class Program
     
     private const UInt32 UpdateIntervalSeconds = 2;
     
-    private static readonly Byte[] BatteryNodes = { 2, 3, 4, 5, 6 };
+    private static readonly IReadOnlyList<Byte> BatteryNodes;
     
     private static readonly TcpChannel TruConvertAcChannel ;
     private static readonly TcpChannel TruConvertDcChannel ;
@@ -55,6 +55,12 @@ internal static class Program
         AmptChannel          = new TcpChannel(d.AmptIp);
         RelaysChannel        = new TcpChannel(d.RelaysIp);
         BatteriesChannel     = new TcpChannel(d.BatteryIp);
+
+        BatteryNodes = config
+                      .Devices
+                      .BatteryNodes
+                      .Select(n=>n.ConvertTo<Byte>())
+                      .ToArray(config.Devices.BatteryNodes.Length);
     }
 
     public static async Task Main(String[] args)