public async Task SetColorAsync(LedCommand command)
{
// Turn off all the pins (i.e., it turns off the led).
await gpioService.SetPinAsync(redPinNumber, PinValue.Low);
await gpioService.SetPinAsync(greenPinNumber, PinValue.Low);
await gpioService.SetPinAsync(bluePinNumber, PinValue.Low);
// Check which color (i.e. pin) to enable.
int?pin = command.Color?.ToLower() switch
{
"red" => redPinNumber,
"green" => greenPinNumber,
"blue" => bluePinNumber,
"black" => null,
null => null,
_ => throw new NotSupportedException()
};
if (pin.HasValue)
{
await gpioService.SetPinAsync(pin.Value, PinValue.High);
}
}
}
private void LedMatrixInit()
{
BrushConverter bc = new BrushConverter();
int[] ledColors = InitialColors;
Grid grid = new Grid()
{
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
};
for (int i = 0; i < 8; i++)
{
grid.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
for (int j = 0; j < 8; j++)
{
grid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = GridLength.Auto
});
Rectangle rect = new Rectangle()
{
Fill = new SolidColorBrush(Color.FromArgb(153, (byte)((ledColors[i * 8 + j] >> 16) & 0xFF), (byte)((ledColors[i * 8 + j] >> 8) & 0xFF), (byte)((ledColors[i * 8 + j] >> 0) & 0xFF))),
Width = 30,
Height = 30,
Margin = new Thickness(5, 5, 5, 5),
};
LedClicked = new LedCommand(this, i, j);
MouseAction action = MouseAction.LeftClick;
MouseGesture gesture = new MouseGesture(action);
MouseBinding binding = new MouseBinding(LedClicked, gesture);
rect.InputBindings.Add(binding);
Grid.SetRow(rect, i);
Grid.SetColumn(rect, j);
grid.Children.Add(rect);
ledMatrix.Add(Tuple.Create(i, j), rect);
ledMatrixData[i * 8 + j] = initialColor;
}
}
ViewLedMatrix = grid;
}
public static void Main(string[] args)
{
ICommand command = null;
if (args.Length > 0)
{
switch (args[0])
{
case "devices":
command = new DevicesCommand();
break;
case "passthrough":
command = new PassthroughCommand();
break;
case "led":
command = new LedCommand();
break;
case "visualize":
command = new VisualizeCommand();
break;
}
}
if (command != null)
{
Console.CancelKeyPress += (sender, e) =>
{
Console.WriteLine("Finalizing...");
command.Dispose();
};
using (command)
{
command.Execute(args);
}
}
else
{
Console.WriteLine("Ws281x.Visualizer");
}
}
public async Task <IActionResult> LedCommand(LedCommand command)
{
await ledService.SetColorAsync(command);
return(NoContent());
}
