Improve output formating

Sharp7.Monitor/CustomHelpProvider.cs

@@ -0,0 +1,79 @@
+using Spectre.Console;
+using Spectre.Console.Cli;
+using Spectre.Console.Cli.Help;
+using Spectre.Console.Rendering;
+
+namespace Sharp7.Monitor;
+
+internal class CustomHelpProvider(ICommandAppSettings settings) : HelpProvider(settings)
+{
+    private readonly ICommandAppSettings settings = settings;
+
+    public override IEnumerable<IRenderable> GetFooter(ICommandModel model, ICommandInfo? command)
+    {
+        var helpStyles = settings.HelpProviderStyles?.Options;
+
+        var variableGrid = GetVariableExamples(helpStyles);
+
+        return
+        [
+            .. base.GetFooter(model, command),
+
+            new Text("VARIABLE EXAMPLES:", helpStyles?.Header ?? Style.Plain), Text.NewLine,
+            new Text("For a detailed format description see https://github.com/evopro-ag/Sharp7Reactive."), Text.NewLine,
+            Text.NewLine,
+            variableGrid,
+            Text.NewLine
+        ];
+    }
+
+    public override IEnumerable<IRenderable> GetOptions(ICommandModel model, ICommandInfo? command) =>
+    [
+        ..base.GetOptions(model, command),
+        Text.NewLine,
+        new Text("You can find details on rack and slot at https://github.com/fbarresi/Sharp7/wiki/Connection#rack-and-slot."), Text.NewLine,
+        new Text("If you are using S7 1200 or 1500, you must explicitly allow RFC1006. See https://github.com/fbarresi/Sharp7#s7-12001500-notes."), Text.NewLine,
+        Text.NewLine
+    ];
+
+    private static IRenderable GetVariableExamples(OptionStyle? helpStyles)
+    {
+        IReadOnlyList<VariableType> variableTypes =
+        [
+            new VariableType("bit", "single bit as boolean", "[grey]db3[/].[lightgoldenrod2_1]bit[/][grey]10[/].2"),
+            new VariableType("byte", "single byte", "[grey]db3[/].[lightgoldenrod2_1]byte[/][grey]10[/]"),
+            new VariableType("", "byte array", "[grey]db3[/].[lightgoldenrod2_1]byte[/][grey]10[/].5"),
+            new VariableType("int", "16 bit signed integer", "[grey]db3[/].[lightgoldenrod2_1]int[/][grey]10[/]"),
+            new VariableType("uint", "16 bit unsigned integer", "[grey]db3[/].[lightgoldenrod2_1]uint[/][grey]10[/]"),
+            new VariableType("dint", "32 bit signed integer", "[grey]db3[/].[lightgoldenrod2_1]dint[/][grey]10[/]"),
+            new VariableType("udint", "32 bit unsigned integer", "[grey]db3[/].[lightgoldenrod2_1]udint[/][grey]10[/]"),
+            new VariableType("lint", "64 bit signed integer", "[grey]db3[/].[lightgoldenrod2_1]lint[/][grey]10[/]"),
+            new VariableType("ulint", "64 bit unsigned integer", "[grey]db3[/].[lightgoldenrod2_1]ulint[/][grey]10[/]"),
+            new VariableType("real", "32 bit float", "[grey]db3[/].[lightgoldenrod2_1]real[/][grey]10[/]"),
+            new VariableType("lreal", "64 bit float", "[grey]db3[/].[lightgoldenrod2_1]lreal[/][grey]10[/]"),
+            new VariableType("string", "ASCII text string", "[grey]db3[/].[lightgoldenrod2_1]string[/][grey]10[/].16"),
+            new VariableType("wstring", "UTF-16 text string", "[grey]db3[/].[lightgoldenrod2_1]wstring[/][grey]10[/].16"),
+        ];
+
+        var grid = new Grid();
+        grid.AddColumn(new GridColumn {Padding = new Padding(4, 4), NoWrap = true});
+        grid.AddColumn(new GridColumn {Padding = new Padding(0, 0, 4, 0)});
+        grid.AddColumn(new GridColumn {Padding = new Padding(0)});
+
+        grid.AddRow(
+            new Text("Identifier", helpStyles?.DefaultValueHeader ?? Style.Plain),
+            new Text("Description", helpStyles?.DefaultValueHeader ?? Style.Plain),
+            new Text("Example", helpStyles?.DefaultValueHeader ?? Style.Plain)
+        );
+
+        foreach (var variableType in variableTypes)
+            grid.AddRow(
+                new Text(variableType.Identifier),
+                new Text(variableType.Description),
+                new Markup(variableType.Example)
+            );
+        return grid;
+    }
+
+    internal record VariableType(string Identifier, string Description, string Example);
+}

Sharp7.Monitor/CustomStyles.cs

@@ -7,7 +7,7 @@ public static class CustomStyles
     public static Style Default { get; } = new(background:Color.Black);
 
     public static Style Error { get; } = Default.Foreground(Color.Red);
-    public static Style Hex { get; } = Default.Foreground(Color.Blue);
+    public static Style Hex { get; } = Default.Foreground(Color.LightGoldenrod2_1);
     public static Style Note { get; } = Default.Foreground(Color.DarkSlateGray1);
     public static Style TableBorder { get;  } = Default.Foreground(Color.DarkGreen);
 }

Sharp7.Monitor/Program.cs

@@ -1,4 +1,5 @@
 using System.Diagnostics.CodeAnalysis;
+using System.Resources;
 using System.Text;
 using Spectre.Console.Cli;
 
@@ -25,9 +26,18 @@ internal class Program
             var app =
                 new CommandApp<ReadPlcCommand>()
                     .WithData(cts.Token)
-                    .WithDescription("This program connects to a PLC and reads the variables specified as command line arguments.");
+                    .WithDescription("This program connects to a Siemens S7 PLC using RFC1006 and reads the variables specified.");
 
-            app.Configure(config => { config.SetApplicationName("s7mon.exe"); });
+
+            app.Configure(config =>
+            {
+                config.AddExample("192.0.0.10 db100.int12");
+                config.AddExample("192.0.0.10 --cpu 2 --rack 1 db100.int12");
+
+                config.SetHelpProvider(new CustomHelpProvider(config.Settings));
+
+                config.SetApplicationName(OperatingSystem.IsWindows() ? "s7mon.exe" : "s7mon");
+            });
 
             return await app.RunAsync(args);
         }

Sharp7.Monitor/Properties/launchSettings.json

@@ -1,8 +1,13 @@
-{
+{
   "profiles": {
     "Sharp7.Monitor": {
       "commandName": "Project",
       "commandLineArgs": "10.30.110.62 DB2050.Bit0.1 DB2050.Byte1 DB2050.Byte2.4 DB2050.Int6 DB2050.UInt8 DB2050.DInt10 DB2050.UDInt14 DB2050.LInt18 DB2050.ULInt26 DB2050.Real34 DB2050.LReal38 DB2050.String50.20 DB2050.WString80.20 DB2050.Byte130.20 "
+    },
+
+    "no args": {
+      "commandName": "Project",
+      "commandLineArgs": ""
     }
   }
-}
+}

Sharp7.Monitor/ReadPlcCommand.cs

@@ -6,7 +6,6 @@ using Sharp7.Rx;
 using Sharp7.Rx.Enums;
 using Spectre.Console;
 using Spectre.Console.Cli;
-using Spectre.Console.Rendering;
 
 namespace Sharp7.Monitor;
 
@@ -31,27 +30,6 @@ internal sealed class ReadPlcCommand : AsyncCommand<ReadPlcCommand.Settings>
         return 0;
     }
 
-    private static IRenderable FormatCellData(object value)
-    {
-        return value switch
-        {
-            IRenderable renderable => renderable,
-            Exception ex => new Text(ex.Message, CustomStyles.Error),
-            byte[] byteArray => new Text(string.Join(" ", byteArray.Select(b => $"0x{b:X2}")), CustomStyles.Hex),
-            byte => FormatNo(),
-            short => FormatNo(),
-            ushort => FormatNo(),
-            int => FormatNo(),
-            uint => FormatNo(),
-            long => FormatNo(),
-            ulong => FormatNo(),
-
-            _ => new Text(value.ToString() ?? "", CustomStyles.Default)
-        };
-
-        Markup FormatNo() => new($"[blue]0x{value:X2}[/]  {value}", CustomStyles.Default);
-    }
-
     private static async Task RunProgram(Settings settings, CancellationToken token)
     {
         AnsiConsole.MarkupLine($"Connecting to plc [green]{settings.PlcIp}[/], CPU [green]{settings.CpuMpiAddress}[/], rack [green]{settings.RackNumber}[/]. ");
@@ -105,8 +83,7 @@ internal sealed class ReadPlcCommand : AsyncCommand<ReadPlcCommand.Settings>
                     foreach (var record in variableContainer.VariableRecords)
                         if (record.HasUpdate(out var value))
                             table.Rows.Update(
-                                record.RowIdx, 1,
-                                FormatCellData(value)
+                                record.RowIdx, 1, RenderUtil.FormatCellData(value)
                             );
 
                     ctx.Refresh();
@@ -124,16 +101,16 @@ internal sealed class ReadPlcCommand : AsyncCommand<ReadPlcCommand.Settings>
         public required string PlcIp { get; init; }
 
         [CommandArgument(1, "[variables]")]
-        [Description("Variables to read from S7, like Db200.Int4.\r\nFor format description see https://github.com/evopro-ag/Sharp7Reactive.")]
+        [Description("Variables to read from S7, like Db200.Int4")]
         public required string[] Variables { get; init; }
 
         [CommandOption("-c|--cpu")]
-        [Description("CPU MPI address of S7 instance.\r\nSee https://github.com/fbarresi/Sharp7/wiki/Connection#rack-and-slot.\r\n")]
+        [Description("CPU MPI address of S7 instance")]
         [DefaultValue(0)]
         public int CpuMpiAddress { get; init; }
 
         [CommandOption("-r|--rack")]
-        [Description("Rack number of S7 instance.\r\nSee https://github.com/fbarresi/Sharp7/wiki/Connection#rack-and-slot.\r\n")]
+        [Description("Rack number of S7 instance")]
         [DefaultValue(0)]
         public int RackNumber { get; init; }
 

Sharp7.Monitor/RenderUtil.cs

@@ -0,0 +1,44 @@
+using Spectre.Console;
+using Spectre.Console.Rendering;
+
+namespace Sharp7.Monitor;
+
+internal static class RenderUtil
+{
+    public static IRenderable FormatCellData(object value)
+    {
+        return value switch
+        {
+            IRenderable renderable => renderable,
+            Exception ex => new Text(ex.Message, CustomStyles.Error),
+            byte[] byteArray => FormatByteArray(byteArray),
+            byte => FormatNo(),
+            short => FormatNo(),
+            ushort => FormatNo(),
+            int => FormatNo(),
+            uint => FormatNo(),
+            long => FormatNo(),
+            ulong => FormatNo(),
+
+            _ => new Text(value.ToString() ?? "", CustomStyles.Default)
+        };
+
+        IRenderable FormatNo() => new Paragraph()
+            .Append($"0x{value:X2}", CustomStyles.Hex)
+            .Append("   ")
+            .Append($"{value}", CustomStyles.Default)
+        ;
+
+        IRenderable FormatByteArray(byte[] byteArray) =>
+            new Paragraph()
+                .Append("0x " + string.Join(" ", byteArray.Select(b => $"{b:X2}")), CustomStyles.Hex)
+                .Append(Environment.NewLine)
+                .Append(new string(
+                            byteArray
+                                .Select(b => (char) b)
+                                .Select(c => char.IsControl(c) ? '·' : c)
+                                .ToArray()
+                        )
+                );
+    }
+}

Sharp7.Monitor/VariableRecord.cs

@@ -5,7 +5,7 @@ namespace Sharp7.Monitor;
 public class VariableRecord
 {
     private object value = new();
-    private int valueUpdated;
+    private volatile int valueUpdated;
     public required string Address { get; init; }
     public required int RowIdx { get; init; }
 
@@ -52,4 +52,4 @@ public class VariableRecord
             return false;
         }
     }
-}
+}

publish.ps1

@@ -1,4 +1,6 @@
 
 dotnet publish .\Sharp7.Monitor\Sharp7.Monitor.csproj -c Release --output publish\non-sc --no-self-contained
 
-dotnet publish .\Sharp7.Monitor\Sharp7.Monitor.csproj -c Release --output publish\sc -p:PublishTrimmed=true -p:EnableCompressionInSingleFile=true --self-contained
+dotnet publish .\Sharp7.Monitor\Sharp7.Monitor.csproj -c Release -r win-x64 --self-contained  -p:PublishTrimmed=true -p:EnableCompressionInSingleFile=true  --output publish\sc\win-x64
+dotnet publish .\Sharp7.Monitor\Sharp7.Monitor.csproj -c Release -r linux-x64 --self-contained  -p:PublishTrimmed=true -p:EnableCompressionInSingleFile=true  --output publish\sc\linux-x64
+

readme.md

@@ -9,9 +9,18 @@ It displays the variable values in a table format directly in your console. The
 
 ## Usage
 
- - Download `s7mon.exe` binary from [releases](https://github.com/Peter-B-/Sharp7.Monitor/releases/latest).
+ - Download the zip file for your plattform from [releases](https://github.com/Peter-B-/Sharp7.Monitor/releases/latest):
+   
+   - [Windows x64](https://github.com/Peter-B-/Sharp7.Monitor/releases/latest/download/s7mon.win-x64.zip) - If you are not sure what to download, this is most likely what you need.
+   - [Windows Arm 64](https://github.com/Peter-B-/Sharp7.Monitor/releases/latest/download/s7mon.win-arm64.zip)
+   - [Linux x64](https://github.com/Peter-B-/Sharp7.Monitor/releases/latest/download/s7mon.linux-x64.zip)
+   - [Linux Arm 64](https://github.com/Peter-B-/Sharp7.Monitor/releases/latest/download/s7mon.linux-arm64.zip)
  
-   This binary is self contained. No installation of .Net Runtime is required.
+ - Extract the `s7mon.exe`, resp. `s7mon` binary.
+
+   The binaries are self contained - no installation of .Net Runtime is required.
+  
+    
 
  - Run the following command:
    ```powershell
@@ -19,6 +28,10 @@ It displays the variable values in a table format directly in your console. The
    ```
    Replace `<IP_Address>` with the IP address of your Siemens S7 PLC, and list the desired variables (e.g., `DB2050.Byte1`, `DB2050.Int6`, etc.).
 
+   You can find a description of the variable format on the [Sharp7.Rx readme](https://github.com/evopro-ag/Sharp7Reactive).
+
+   If the connection cannot be established, try setting [CPU and Rack](https://github.com/fbarresi/Sharp7/wiki/Connection#rack-and-slot) with the `--cpu` and `--rack` parameters.
+
  - The program will establish a connection to the PLC and continuously display the values of the specified variables in a table format.
  
    Press `Ctrl + C` to exit.