✨ Add the total usage time of Stream Deckin the UI + related fixes.

Exo.sln

@@ -40,8 +40,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Docs", "Docs", "{08303426-8
 		Docs\Razer DeathAdder Platform 3.md = Docs\Razer DeathAdder Platform 3.md
 		Docs\Razer DeathAdder V2 Pro.md = Docs\Razer DeathAdder V2 Pro.md
 		Docs\Razer Mamba Chroma.md = Docs\Razer Mamba Chroma.md
-		Docs\Stream Decl XL.md = Docs\Stream Decl XL.md
 		Docs\Useful Bits.md = Docs\Useful Bits.md
+		Docs\Stream Deck XL.md = Docs\Stream Deck XL.md
 		Docs\ViewSonic VP2785-4K.md = Docs\ViewSonic VP2785-4K.md
 	EndProjectSection
 EndProject

src/Exo/Devices/Exo.Devices.Elgato.StreamDeck/StreamDeckDevice.cs

@@ -201,7 +201,7 @@ public async Task<uint> GetSleepTimerAsync(CancellationToken cancellationToken)
 		return ReadResponse(buffer.Span);
 	}
 
-	public async Task<ushort> GetUsageTimeAsync(CancellationToken cancellationToken)
+	public async Task<uint> GetUsageTimeAsync(CancellationToken cancellationToken)
 	{
 		// This command seems to return some status on the device.
 		// I saw one of the values increasing at some point, which was not related to a key press or any specific action from the official software,  so the only explanation is that it is time.
@@ -213,8 +213,8 @@ public async Task<ushort> GetUsageTimeAsync(CancellationToken cancellationToken)
 
 		var buffer = FeatureBuffer;
 
-		static void PrepareRequest(Span<byte> buffer) => buffer[0] = 0x0A;
-		static ushort ReadResponse(ReadOnlySpan<byte> buffer) => LittleEndian.ReadUInt16(in buffer[2]);
+		static void PrepareRequest(Span<byte> buffer) => buffer[0] = 0x09;
+		static uint ReadResponse(ReadOnlySpan<byte> buffer) => LittleEndian.ReadUInt32(in buffer[5]);
 
 		PrepareRequest(buffer.Span);
 		await _stream.ReceiveFeatureReportAsync(buffer, cancellationToken).ConfigureAwait(false);

src/Tools/StreamDeckPlayground/DesignMainViewModel.cs

@@ -10,6 +10,7 @@ public sealed class StreamDeckDevice
 		public string DeviceName { get; }
 		public string SerialNumber { get; }
 		public string FirmwareVersion { get; }
+		public TimeSpan UsageTime { get; }
 		public int ButtonColumnCount { get; }
 		public int ButtonRowCount { get; }
 		public int ButtonImageWidth { get; }
@@ -19,11 +20,12 @@ public sealed class StreamDeckDevice
 		public ReadOnlyCollection<StreamDeckButton> Buttons { get; }
 		public StreamDeckButton? SelectedButton { get; set; }
 
-		public StreamDeckDevice(string deviceName, string serialNumber, string firmwareVersion, int buttonColumnCount, int buttonRowCount, int buttonImageWidth, int buttonImageHeight, int screensaverImageWidth, int screensaverImageHeight)
+		public StreamDeckDevice(string deviceName, string serialNumber, string firmwareVersion, TimeSpan usageTime, int buttonColumnCount, int buttonRowCount, int buttonImageWidth, int buttonImageHeight, int screensaverImageWidth, int screensaverImageHeight)
 		{
 			DeviceName = deviceName;
 			SerialNumber = serialNumber;
 			FirmwareVersion = firmwareVersion;
+			UsageTime = usageTime;
 			ButtonColumnCount = buttonColumnCount;
 			ButtonRowCount = buttonRowCount;
 			ButtonImageWidth = buttonImageWidth;
@@ -52,7 +54,7 @@ public sealed class StreamDeckButton
 
 	public DesignMainViewModel()
 	{
-		var device = new StreamDeckDevice(@"\\HID\Whatever", "SN0123456789", "42.42.42", 8, 4, 96, 96, 1024, 600);
+		var device = new StreamDeckDevice(@"\\HID\Whatever", "SN0123456789", "42.42.42", TimeSpan.FromDays(21, 8), 8, 4, 96, 96, 1024, 600);
 		Devices = new([device]);
 		SelectedDevice = device;
 	}

src/Tools/StreamDeckPlayground/MainWindow.xaml

@@ -48,17 +48,20 @@
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
+                            <RowDefinition Height="Auto" />
                         </Grid.RowDefinitions>
                         <TextBlock Grid.Row="0" Text="Serial Number" Margin="0,6,0,6" VerticalAlignment="Center" />
                         <TextBlock Grid.Row="0" Grid.Column="1" Text="{Binding SerialNumber}" Margin="0,6,0,6" VerticalAlignment="Center" />
                         <TextBlock Grid.Row="1" Text="Firmware Version" Margin="0,6,0,6" VerticalAlignment="Center" />
                         <TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding FirmwareVersion}" Margin="0,6,0,6" VerticalAlignment="Center" />
-                        <TextBlock Grid.Row="2" Text="Grid Size" Margin="0,6,0,6" VerticalAlignment="Center" />
-                        <TextBlock Grid.Row="2" Grid.Column="1" Margin="0,6,0,6" VerticalAlignment="Center"><Run Text="{Binding ButtonColumnCount, Mode=OneWay}" /><Run Text="x" /><Run Text="{Binding ButtonRowCount, Mode=OneWay}" /></TextBlock>
-                        <TextBlock Grid.Row="3" Text="Button Size" Margin="0,6,0,6" VerticalAlignment="Center" />
-                        <TextBlock Grid.Row="3" Grid.Column="1" Margin="0,6,0,6" VerticalAlignment="Center"><Run Text="{Binding ButtonImageWidth, Mode=OneWay}" /><Run Text="x" /><Run Text="{Binding ButtonImageHeight, Mode=OneWay}" /></TextBlock>
-                        <TextBlock Grid.Row="4" Text="Screen Size" Margin="0,6,0,6" VerticalAlignment="Center" />
-                        <TextBlock Grid.Row="4" Grid.Column="1" Margin="0,6,0,6" VerticalAlignment="Center"><Run Text="{Binding ScreensaverImageWidth, Mode=OneWay}" /><Run Text="x" /><Run Text="{Binding ScreensaverImageHeight, Mode=OneWay}" /></TextBlock>
+                        <TextBlock Grid.Row="2" Text="Usage Time" Margin="0,6,0,6" VerticalAlignment="Center" />
+                        <TextBlock Grid.Row="2" Grid.Column="1" Text="{Binding UsageTime}" Margin="0,6,0,6" VerticalAlignment="Center" />
+                        <TextBlock Grid.Row="3" Text="Grid Size" Margin="0,6,0,6" VerticalAlignment="Center" />
+                        <TextBlock Grid.Row="3" Grid.Column="1" Margin="0,6,0,6" VerticalAlignment="Center"><Run Text="{Binding ButtonColumnCount, Mode=OneWay}" /><Run Text="x" /><Run Text="{Binding ButtonRowCount, Mode=OneWay}" /></TextBlock>
+                        <TextBlock Grid.Row="4" Text="Button Size" Margin="0,6,0,6" VerticalAlignment="Center" />
+                        <TextBlock Grid.Row="4" Grid.Column="1" Margin="0,6,0,6" VerticalAlignment="Center"><Run Text="{Binding ButtonImageWidth, Mode=OneWay}" /><Run Text="x" /><Run Text="{Binding ButtonImageHeight, Mode=OneWay}" /></TextBlock>
+                        <TextBlock Grid.Row="5" Text="Screen Size" Margin="0,6,0,6" VerticalAlignment="Center" />
+                        <TextBlock Grid.Row="5" Grid.Column="1" Margin="0,6,0,6" VerticalAlignment="Center"><Run Text="{Binding ScreensaverImageWidth, Mode=OneWay}" /><Run Text="x" /><Run Text="{Binding ScreensaverImageHeight, Mode=OneWay}" /></TextBlock>
                     </Grid>
                 </Expander>
                 <Expander Grid.Row="1" Header="Buttons" Margin="0,6,0,6" IsExpanded="True">

src/Tools/StreamDeckPlayground/StreamDeckViewModel.cs

@@ -16,28 +16,31 @@ public static async Task<StreamDeckViewModel> CreateAsync(string deviceName, ush
 		var device = new StreamDeckDevice(new(deviceName), productId);
 		var serialNumber = await device.GetSerialNumberAsync(cancellationToken);
 		var firmwareVersion = await device.GetVersionAsync(cancellationToken);
+		uint usageTime = await device.GetUsageTimeAsync(cancellationToken);
 		var info = await device.GetDeviceInfoAsync(cancellationToken);
-		return new(deviceName, device, serialNumber, firmwareVersion, info);
+		return new(deviceName, device, serialNumber, firmwareVersion, usageTime, info);
 	}
 
 	private readonly string _deviceName;
 	private readonly StreamDeckDevice _device;
 	private readonly StreamDeckDeviceInfo _deviceInformation;
 	private readonly string _serialNumber;
 	private readonly string _firmwareVersion;
+	private readonly uint _usageTime;
 	private readonly ReadOnlyCollection<StreamDeckButtonViewModel> _buttons;
 	private StreamDeckButtonViewModel? _selectedButton;
 	private readonly ChannelWriter<(byte KeyIndex, Rgb24 Color)> _updateWriter;
 	private CancellationTokenSource? _cancellationTokenSource;
 	private readonly Task _executeUpdatesTask;
 
-	public StreamDeckViewModel(string deviceName, StreamDeckDevice device, string serialNumber, string firmwareVersion, StreamDeckDeviceInfo deviceInformation)
+	public StreamDeckViewModel(string deviceName, StreamDeckDevice device, string serialNumber, string firmwareVersion, uint usageTime, StreamDeckDeviceInfo deviceInformation)
 	{
 		_deviceName = deviceName;
 		_device = device;
 		_deviceInformation = deviceInformation;
 		_serialNumber = serialNumber;
 		_firmwareVersion = firmwareVersion;
+		_usageTime = usageTime;
 		_buttons = Array.AsReadOnly(Enumerable.Range(0, deviceInformation.ButtonCount).Select(i => new StreamDeckButtonViewModel(this, (byte)i)).ToArray());
 		var channel = Channel.CreateUnbounded<(byte KeyIndex, Rgb24 Color)>(new UnboundedChannelOptions() { SingleReader = true, SingleWriter = true, AllowSynchronousContinuations = false });
 		_updateWriter = channel;
@@ -83,6 +86,8 @@ private async Task ExecuteUpdatesAsync(ChannelReader<(byte KeyIndex, Rgb24 Color
 	public int ScreensaverImageWidth => _deviceInformation.ScreensaverImageWidth;
 	public int ScreensaverImageHeight => _deviceInformation.ScreensaverImageHeight;
 
+	public TimeSpan UsageTime => TimeSpan.FromHours(_usageTime);
+
 	public ReadOnlyCollection<StreamDeckButtonViewModel> Buttons => _buttons;
 
 	public StreamDeckButtonViewModel? SelectedButton