Rework updating process a bit

Installer/Files/config.ini

@@ -1,3 +1,7 @@
 
 [plc]
 port = COM1
+
+[update]
+url = https://elwig.at/files/pamhagen-sysctrl/latest
+auto = true

PamhagenSysCtrl/App.xaml.cs

@@ -1,3 +1,4 @@
+using PamhagenSysCtrl.Dialogs;
 using PamhagenSysCtrl.Helpers;
 using System.IO;
 using System.Reflection;
@@ -10,6 +11,8 @@ namespace PamhagenSysCtrl {
         public static PamhagenPlant? Plant;
         public static Dispatcher? MainDispatcher;
 
+        private readonly DispatcherTimer AutoUpdateTimer = new() { Interval = TimeSpan.FromHours(1) };
+
         public static readonly string DataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Anlagensteuerung Pamhagen");
         public static readonly string ConfigPath = Path.Combine(DataPath, "config.ini");
         public static readonly string InstallPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "Anlagensteuerung Pamhagen");
@@ -45,6 +48,51 @@ namespace PamhagenSysCtrl {
             }
 
             base.OnStartup(evt);
+
+            if (Config.UpdateUrl != null && Config.UpdateAuto) {
+                AutoUpdateTimer.Tick += async (_, _) => {
+                    try {
+                        await CheckForUpdates();
+                    } catch { }
+                };
+                AutoUpdateTimer.Start();
+                await Dispatcher.BeginInvoke(async () => {
+                    await Task.Delay(1500);
+                    try {
+                        await CheckForUpdates();
+                    } catch { }
+                });
+            }
+        }
+
+        public static async Task CheckForUpdates(bool showResult = false) {
+            if (Config.UpdateUrl == null) return;
+
+            try {
+                var latest = await UpdateService.GetLatestInstallerUrl(Config.UpdateUrl);
+                if (latest.HasValue && new Version(latest.Value.Version) > Version) {
+                    var dialog = new UpdateDialog(latest.Value.Version, latest.Value.Url, latest.Value.Size) {
+                        Owner = Current.MainWindow,
+                    };
+                    if (dialog.ShowDialog() == true) {
+                        Current.Shutdown();
+                    }
+                } else if (showResult) {
+                    MessageBox.Show($"Die Anlagensteuerung ist auf dem aktuellen Stand.\n(Version {Version})", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Information);
+                }
+            } catch (OperationCanceledException) {
+                if (showResult) {
+                    MessageBox.Show("Zeitüberschreitung beim Abrufen der Update-Informationen.", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } else {
+                    throw;
+                }
+            } catch (Exception exc) {
+                if (showResult) {
+                    MessageBox.Show($"Die Update-Informationen konnten nicht abgerufen werden:\n\n{exc.Message}", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } else {
+                    throw;
+                }
+            }
         }
 
         protected async void Application_Exit(object sender, ExitEventArgs evt) {

PamhagenSysCtrl/Dialogs/UpdateDialog.xaml

@@ -0,0 +1,37 @@
+<Window x:Class="PamhagenSysCtrl.Dialogs.UpdateDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        ResizeMode="NoResize" ShowInTaskbar="False" Topmost="True"
+        WindowStartupLocation="CenterOwner"
+        Title="Update verfügbar - Anlagensteuerung Pamhagen"
+        Height="220" Width="480"
+        Closed="OnClosed">
+    <Grid Margin="20">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <TextBlock x:Name="Description" FontSize="14" TextAlignment="Center"
+                   HorizontalAlignment="Center" VerticalAlignment="Center">
+            Version <Run x:Name="VersionText" FontWeight="Bold">0.0.0</Run> ist verfügbar.<LineBreak/>
+            Soll das Update heruntergeladen und installiert werden?<LineBreak/>
+            (ca. <Run x:Name="SizeText">0</Run> MB)<LineBreak/><LineBreak/>
+            <Run FontWeight="Bold">Hinweis:</Run> Die Anlagensteuerung wird für die Installation geschlossen.
+        </TextBlock>
+
+        <StackPanel x:Name="DownloadPanel" Grid.Row="0" VerticalAlignment="Center" Visibility="Collapsed">
+            <TextBlock x:Name="StatusText" Text="Update wird heruntergeladen..."
+                       FontSize="14" TextAlignment="Center" Margin="0,0,0,10"/>
+            <ProgressBar x:Name="DownloadProgress" Height="24" Minimum="0" Maximum="100"/>
+        </StackPanel>
+
+        <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,18,0,0">
+            <Button x:Name="InstallButton" Content="Installieren" IsDefault="True"
+                    Width="110" Height="30" Margin="0,0,12,0" Click="InstallButton_Click"/>
+            <Button x:Name="CancelButton" Content="Abbrechen" IsCancel="True"
+                    Width="110" Height="30"/>
+        </StackPanel>
+    </Grid>
+</Window>

PamhagenSysCtrl/Dialogs/UpdateDialog.xaml.cs

@@ -0,0 +1,45 @@
+using PamhagenSysCtrl.Helpers;
+using System.IO;
+using System.Windows;
+
+namespace PamhagenSysCtrl.Dialogs {
+    public partial class UpdateDialog : Window {
+
+        private readonly string Url;
+        private readonly CancellationTokenSource Cancellation = new();
+
+        public UpdateDialog(string version, string url, long size) {
+            Url = url;
+            InitializeComponent();
+            VersionText.Text = version;
+            SizeText.Text = Math.Ceiling(size / 1024d / 1024d).ToString("N0");
+        }
+
+        private void OnClosed(object? sender, EventArgs evt) {
+            Cancellation.Cancel();
+            Cancellation.Dispose();
+        }
+
+        private async void InstallButton_Click(object sender, RoutedEventArgs evt) {
+            Description.Visibility = Visibility.Collapsed;
+            DownloadPanel.Visibility = Visibility.Visible;
+            InstallButton.IsEnabled = false;
+
+            try {
+                var progress = new Progress<double>(value => DownloadProgress.Value = value * 100);
+                var filename = Path.Combine(App.TempPath, $"PamhagenSysCtrl-{VersionText.Text}.msi");
+                await UpdateService.DownloadInstaller(Url, filename, progress, Cancellation.Token);
+                StatusText.Text = "Installer wird gestartet...";
+                UpdateService.StartInstaller(filename);
+                DialogResult = true;
+            } catch (OperationCanceledException) {
+                // Closing the dialog cancels an active download.
+            } catch (Exception exc) {
+                MessageBox.Show($"Das Update konnte nicht installiert werden:\n\n{exc.Message}", "Update installieren", MessageBoxButton.OK, MessageBoxImage.Error);
+                Description.Visibility = Visibility.Visible;
+                DownloadPanel.Visibility = Visibility.Collapsed;
+                InstallButton.IsEnabled = true;
+            }
+        }
+    }
+}

PamhagenSysCtrl/Helpers/Config.cs

@@ -9,6 +9,8 @@ namespace PamhagenSysCtrl.Helpers {
         private readonly string FileName;
 
         public string PlcPort = "COM1";
+        public string? UpdateUrl;
+        public bool UpdateAuto;
 
         public Config(string filename) {
             FileName = filename;
@@ -19,6 +21,8 @@ namespace PamhagenSysCtrl.Helpers {
             try {
                 var config = new ConfigurationBuilder().AddIniFile(FileName).Build();
                 PlcPort = config["plc:port"] ?? "COM1";
+                UpdateUrl = config["update:url"];
+                UpdateAuto = TrueValues.Contains(config["update:auto"]?.ToLower());
             } catch (Exception exc) {
                 MessageBox.Show($"Die Konfigurationsdatei konnte nicht gelesen werden:\n\n{exc.Message}", "Konfigurationsdatei lesen", MessageBoxButton.OK, MessageBoxImage.Error);
                 Application.Current.Shutdown();

PamhagenSysCtrl/Helpers/PamhagenPlc.cs

@@ -43,31 +43,28 @@ namespace PamhagenSysCtrl.Helpers {
             GC.SuppressFinalize(this);
         }
 
-        protected static FillState Int3ToFillState(int n) {
-            return n switch {
-                7 => FillState.Full,
-                6 => FillState.Half,
-                4 => FillState.Filled,
-                0 => FillState.Empty,
-                _ => FillState.Invalid,
-            };
+        protected static FillState Int3ToFillState(int n, bool bigEndian = true) {
+            return
+                (bigEndian && (n & 0x4) != 0) || (!bigEndian  && (n & 0x1) != 0) ? FillState.Full :
+                (bigEndian && (n & 0x2) != 0) || (!bigEndian  && (n & 0x2) != 0) ? FillState.Half :
+                (bigEndian && (n & 0x1) != 0) || (!bigEndian  && (n & 0x4) != 0) ? FillState.Filled :
+                n == 0 ? FillState.Empty :
+                FillState.Invalid;
         }
 
-        protected static FillState Int2ToFillState(int n) {
-            return n switch {
-                2 => FillState.Full,
-                0 => FillState.Filled,
-                1 => FillState.Empty,
-                _ => FillState.Invalid,
-            };
+        protected static FillState Int2ToFillState(int n, bool bigEndian = true) {
+            return
+                (bigEndian && (n & 0x2) != 0) || (!bigEndian  && (n & 0x1) != 0) ? FillState.Full :
+                (bigEndian && (n & 0x1) != 0) || (!bigEndian  && (n & 0x2) != 0) ? FillState.Filled :
+                n == 0 ? FillState.Empty :
+                FillState.Invalid;
         }
 
         protected static FillState Int1ToFillState(int n) {
-            return n switch {
-                1 => FillState.Full,
-                0 => FillState.Unknown,
-                _ => FillState.Invalid,
-            };
+            return
+                n == 1 ? FillState.Full :
+                n == 0 ? FillState.Unknown :
+                FillState.Invalid;
         }
 
         protected static MotorState Int2ToPumpState(int n, bool inverse) {
@@ -110,8 +107,8 @@ namespace PamhagenSysCtrl.Helpers {
             long pressure = (long)r1 | ((long)r2 << 16) | ((long)r3 << 32) | ((long)r4 << 48);
             pressure = (pressure & 0x01FFFFFFFFFFFFFF) | ((pressure & 0x0600000000000000) << 1);
 
-            var mw1 = Int3ToFillState((f1      ) & 0x7);  // 111 011 001 000
-            var mw2 = Int3ToFillState((f1 >>  3) & 0x7);  // 111 011 001 000
+            var mw1 = Int3ToFillState((f1      ) & 0x7, false);  // 111 011 001 000
+            var mw2 = Int3ToFillState((f1 >>  3) & 0x7, false);  // 111 011 001 000
             var p1  =                ((f1 >>  6) & 0x1) == 0;  // 1 0
             var p2  =                ((f1 >>  7) & 0x1) == 0;  // 1 0
             var wp  =                ((f1 >>  8) & 0x3);  // 10 01
@@ -129,11 +126,11 @@ namespace PamhagenSysCtrl.Helpers {
             //  -> factor: 0,03125 + (offset) 25 Oe
             double oe = v * 0.03125 + 25;
 
-            var t1 = Int2ToFillState((f2      ) & 0x3);  // 10 01 00
-            var t2 = Int2ToFillState((f2 >>  2) & 0x3);  // 10 01 00
-            var t3 = Int2ToFillState((f2 >>  4) & 0x3);  // 10 01 00
-            var t4 = Int2ToFillState((f2 >>  6) & 0x3);  // 10 01 00
-            var t5 = Int2ToFillState((f2 >>  8) & 0x3);  // 10 01 00
+            var t1 = Int1ToFillState(((f2      ) & 0x3) >> 1);  // 1X 0X
+            var t2 = Int1ToFillState(((f2 >>  2) & 0x3) >> 1);  // 1X 0X
+            var t3 = Int1ToFillState(((f2 >>  4) & 0x3) >> 1);  // 1X 0X
+            var t4 = Int1ToFillState(((f2 >>  6) & 0x3) >> 1);  // 1X 0X
+            var t5 = Int1ToFillState(((f2 >>  8) & 0x3) >> 1);  // 1X 0X
             var t6 = Int1ToFillState((f2 >> 10) & 0x1);  // 1 0
             var t7 = Int1ToFillState((f2 >> 11) & 0x1);  // 1 0
             var t8 = Int1ToFillState((f2 >> 12) & 0x1);  // 1 0

PamhagenSysCtrl/Helpers/UpdateService.cs

@@ -0,0 +1,77 @@
+using System.Diagnostics;
+using System.IO;
+using System.Net.Http;
+using System.Text.Json.Nodes;
+
+namespace PamhagenSysCtrl.Helpers {
+    public static class UpdateService {
+
+        public static async Task<(string Version, string Url, long Size)?> GetLatestInstallerUrl(string feedUrl) {
+            try {
+                using var client = new HttpClient() {
+                    Timeout = TimeSpan.FromSeconds(5),
+                };
+                client.DefaultRequestHeaders.UserAgent.Clear();
+                client.DefaultRequestHeaders.UserAgent.ParseAdd($"PamhagenSysCtrl/{App.Version} ({Environment.MachineName}, {Environment.OSVersion})");
+                client.DefaultRequestHeaders.Accept.Clear();
+                client.DefaultRequestHeaders.Accept.Add(new("application/json"));
+                using var res = await client.GetAsync(feedUrl);
+                if (!res.IsSuccessStatusCode)
+                    return null;
+
+                var json = JsonNode.Parse(await res.Content.ReadAsStringAsync());
+                var latest = json!["data"]!.AsArray()[^1]!;
+                return ((string)latest["version"]!, (string)latest["url"]!, (long)latest["size"]!);
+            } catch {
+                return null;
+            }
+        }
+
+        public static async Task DownloadInstaller(string url, string filename, IProgress<double>? progress = null, CancellationToken cancellationToken = default) {
+            try {
+                using var client = new HttpClient() {
+                    Timeout = TimeSpan.FromSeconds(5),
+                };
+                client.DefaultRequestHeaders.UserAgent.Clear();
+                client.DefaultRequestHeaders.UserAgent.ParseAdd($"PamhagenSysCtrl/{App.Version} ({Environment.MachineName}, {Environment.OSVersion})");
+                client.DefaultRequestHeaders.Accept.Clear();
+                using var response = await client.GetAsync(url, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
+                response.EnsureSuccessStatusCode();
+                var contentLength = response.Content.Headers.ContentLength;
+
+                await using (var destination = new FileStream(filename, FileMode.Create)) {
+                    await using var source = await response.Content.ReadAsStreamAsync(cancellationToken);
+                    var buffer = new byte[81920];
+                    long downloaded = 0;
+                    int read;
+                    while ((read = await source.ReadAsync(buffer, cancellationToken)) != 0) {
+                        await destination.WriteAsync(buffer.AsMemory(0, read), cancellationToken);
+                        downloaded += read;
+                        if (contentLength.HasValue) {
+                            progress?.Report((double)downloaded / contentLength.Value);
+                        }
+                    }
+                }
+
+                progress?.Report(1);
+            } catch {
+                File.Delete(filename);
+                throw;
+            }
+        }
+
+        public static void StartInstaller(string fileName) {
+            var startInfo = new ProcessStartInfo {
+                FileName = "msiexec.exe",
+                UseShellExecute = true,
+                Verb = "runas",
+            };
+            startInfo.ArgumentList.Add("/i");
+            startInfo.ArgumentList.Add(Path.GetFullPath(fileName));
+
+            if (Process.Start(startInfo) == null) {
+                throw new InvalidOperationException("Der Installer konnte nicht gestartet werden.");
+            }
+        }
+    }
+}

PamhagenSysCtrl/Windows/AboutWindow.xaml

@@ -0,0 +1,28 @@
+<Window x:Class="PamhagenSysCtrl.Windows.AboutWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="Über - Anlagensteuerung Pamhagen"
+        Height="340" Width="560" ResizeMode="NoResize"
+        WindowStartupLocation="CenterOwner">
+    <Grid>
+        <TextBlock Margin="20,10" FontSize="12">
+            <Bold>Produkt:</Bold> Anlagensteuerung Pamhagen<LineBreak/>
+            <Bold>Beschreibung:</Bold> Schnittstelle zu einer SPS und grafische Benutzeroberfläche für die<LineBreak/>
+            <Bold Foreground="Transparent">Beschreibung:</Bold> Steuerung der Anlage<LineBreak/>
+            <Bold>Typ:</Bold> HMI- und SPS-Steuerungssoftware<LineBreak/>
+            <Bold>Version:</Bold> <Run x:Name="VersionText">0.0.0</Run><LineBreak/>
+            <Bold>Lizenz:</Bold> <Hyperlink NavigateUri="https://www.gnu.org/licenses/gpl-3.0.html" RequestNavigate="Hyperlink_RequestNavigate">GNU General Public License 3.0 (GPLv3)</Hyperlink><LineBreak/>
+            <Bold>Entwickler:</Bold> Lorenz Stechauner, Thomas Hilscher<LineBreak/>
+            <Bold>Kontakt:</Bold> <Hyperlink NavigateUri="mailto:lorenz.stechauner@necronda.net" RequestNavigate="Hyperlink_RequestNavigate">lorenz.stechauner@necronda.net</Hyperlink>, <Hyperlink NavigateUri="mailto:thomas.hilscher@gmail.com" RequestNavigate="Hyperlink_RequestNavigate">thomas.hilscher@gmail.com</Hyperlink><LineBreak/>
+            <Bold>Quellcode:</Bold> <Hyperlink NavigateUri="C:\Program Files\Anlagensteuerung Pamhagen\src" RequestNavigate="Hyperlink_RequestNavigate_Explorer">C:\Program Files\Anlagensteuerung Pamhagen\src</Hyperlink>,<LineBreak/>
+            <Bold Foreground="Transparent">Quellcode:</Bold> <Hyperlink NavigateUri="https://git.necronda.net/winzer/pamhagen-sysctrl" RequestNavigate="Hyperlink_RequestNavigate">https://git.necronda.net/winzer/pamhagen-sysctrl</Hyperlink><LineBreak/>
+            <Bold>Entwicklungszeitraum:</Bold> 2026<LineBreak/>
+            <LineBreak/>
+            <Bold>Verwendete Technologien:</Bold><LineBreak/>
+            Programmiersprache: C#<LineBreak/>
+            Framework: Windows Presentation Framework (WPF)<LineBreak/>
+            SPS-Schnittstelle: Serielle Verbindung<LineBreak/>
+            Paketierung: <Hyperlink NavigateUri="https://www.firegiant.com/wixtoolset/" RequestNavigate="Hyperlink_RequestNavigate">WiX Toolset</Hyperlink>
+        </TextBlock>
+    </Grid>
+</Window>

PamhagenSysCtrl/Windows/AboutWindow.xaml.cs

@@ -0,0 +1,25 @@
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Navigation;
+
+namespace PamhagenSysCtrl.Windows {
+    public partial class AboutWindow : Window {
+
+        public AboutWindow() {
+            InitializeComponent();
+            VersionText.Text = App.Version.ToString();
+        }
+
+        private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs evt) {
+            try {
+                Process.Start(new ProcessStartInfo(evt.Uri.AbsoluteUri) { UseShellExecute = true });
+            } catch { }
+        }
+
+        private void Hyperlink_RequestNavigate_Explorer(object sender, RequestNavigateEventArgs evt) {
+            try {
+                Process.Start("explorer.exe", evt.Uri.AbsoluteUri);
+            } catch { }
+        }
+    }
+}

PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml

@@ -45,11 +45,16 @@
                 </MenuItem>
             </MenuItem>
             <MenuItem Header="Hilfe">
-                <MenuItem Header="Über">
+                <MenuItem Header="Über" Click="Menu_Help_About_Click">
                     <MenuItem.Icon>
                         <TextBlock FontFamily="Segoe MDL2 Assets" FontSize="16" Text="&#xE946;"/>
                     </MenuItem.Icon>
                 </MenuItem>
+                <MenuItem x:Name="Menu_Help_CheckForUpdates" Header="Nach Updates suchen..." Click="Menu_Help_CheckForUpdates_Click">
+                    <MenuItem.Icon>
+                        <TextBlock FontFamily="Segoe MDL2 Assets" FontSize="16" Text="&#xE895;"/>
+                    </MenuItem.Icon>
+                </MenuItem>
             </MenuItem>
         </Menu>
 

PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs

@@ -42,6 +42,7 @@ namespace PamhagenSysCtrl.Windows {
 
         public PlantSchemeWindow() {
             InitializeComponent();
+            Menu_Help_CheckForUpdates.IsEnabled = App.Config.UpdateUrl != null;
             Graph = new();
             Graph.Draw(SchemeCanvas);
             FastSelectPaths = new Dictionary<Button, (ISource, Pump, ISink)> {
@@ -117,6 +118,17 @@ namespace PamhagenSysCtrl.Windows {
             } catch { }
         }
 
+        private async void Menu_Help_CheckForUpdates_Click(object sender, RoutedEventArgs evt) {
+            await App.CheckForUpdates(true);
+        }
+
+        private void Menu_Help_About_Click(object sender, RoutedEventArgs evt) {
+            var window = new AboutWindow {
+                Owner = this,
+            };
+            window.Show();
+        }
+
         private void FastSelectButton_EntryTroughStart_Click(object sender, RoutedEventArgs evt) {
             try {
                 App.Plant?.StartTroughAuger();

README.md

@@ -1,2 +1,42 @@
 
-# Anlagensteuerung Pamhangen
+Anlagensteuerung Pamhagen
+=========================
+
+Schnittstelle zur SPS und grafische Benutzeroberfläche.
+Winzerkeller Seewinkel, Pamhagen.
+
+
+About
+=====
+
+**Product:** Anlagensteuerung Pamhagen  
+**Description:** Interface to a LPC and graphical user interface for controlling the plant/system  
+**Type:** HMI and PLC Control Software  
+**Version:** 0.0.3 ([Changelog](./CHANGELOG.md))  
+**License:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
+**Source code:** https://git.necronda.net/winzer/pamhagen-sysctrl  
+**Developement period:** 2026
+
+**Technology Stack:**  
+Language: C#  
+Framework: Windows Presentation Framework (WPF)  
+LPC-Interface: Serial connection  
+Packaging: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
+
+
+Über
+====
+
+**Produkt:** Anlagensteuerung Pamhagen  
+**Beschreibung:** Schnittstelle zu einer SPS und grafische Benutzeroberfläche für die Steuerung der Anlage  
+**Typ:** HMI- und SPS-Steuerungssoftware  
+**Version:** 0.0.3 ([Änderungsprotokoll](./CHANGELOG.md))  
+**Lizenz:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
+**Quellcode:** https://git.necronda.net/winzer/pamhagen-sysctrl  
+**Entwicklungszeitraum:** 2026
+
+**Verwendete Technologien:**  
+Programmiersprache: C#  
+Framework: Windows Presentation Framework (WPF)  
+SPS-Schnittstelle: Serielle Verbindung  
+Paketierung: [WiX Toolset](https://www.firegiant.com/wixtoolset/)