private static Task TestUltrasoundSensor()
{
var plate = new Plate();
var cancellationSource = new CancellationTokenSource();
Task.Run(() =>
{
var sensor =
plate.GetOrCreateDigitalDevice <UltrasonicSensor>(DigitalPort.D3, (dp) => new UltrasonicSensor(dp));
Observable
.Interval(TimeSpan.FromSeconds(0.5))
.Subscribe(_ => { Console.WriteLine(sensor.Distance); });
PrintPlate(plate);
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
plate.Dispose();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
}
private static Task TestButton(DigitalPort buttonPort, DigitalPort[] ledPorts)
{
var cancellationSource = new CancellationTokenSource();
var plate = new Plate();
Task.Run(() =>
{
var button = plate.GetOrCreateDigitalDevice <Button>(buttonPort);
foreach (var digitalPort in ledPorts)
{
plate.GetOrCreateDigitalDevice <Led>(digitalPort);
}
AllLedOff(plate);
var leds = plate.DigitalDevices.OfType <Led>().ToArray();
var buttonStream = Observable
.FromEventPattern <bool>(h => button.PressedChanged += h, h => button.PressedChanged -= h);
var pos = -1;
buttonStream
.Where(e => e.EventArgs)
.Select(_ =>
{
var next = ((pos + 1) % leds.Length);
var pair = new { Prev = pos, Next = ((pos + 1) % leds.Length) };
pos = next;
return(pair);
})
.Subscribe(p =>
{
if (p.Prev >= 0)
{
leds[p.Prev].Off();
}
leds[p.Next].On();
PrintPlate(plate);
});
PrintPlate(plate);
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
plate.Dispose();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
}
/// <summary>
/// Cleans up all resources that the current game has been holding before switching to another gamestate
/// </summary>
private void EndGame()
{
if (_endGameCalled)
{
return;
}
for (int i = 0; i < bricks.Length; i++)
{
bricks[i]?.Dispose();
}
bricks = null;
ball.Dispose();
ball = null;
plate.Dispose();
plate = null;
_state = GameState.Over;
_endGameCalled = true;
}
private static Task TestPotentiometer(AnaloguePort port)
{
var cancellationSource = new CancellationTokenSource();
var plate = new Plate();
Task.Run(() =>
{
var potentiometer = plate.GetOrCreateAnalogueDevice <Potentiometer>(port);
Observable
.Interval(TimeSpan.FromSeconds(0.5))
.Select(_ => potentiometer.Position)
.Subscribe(Console.WriteLine);
PrintPlate(plate);
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
plate.Dispose();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
}
private Task TestSemaphore(DigitalPort ultrasonicSensorPort, DigitalPort greenLedPort, DigitalPort yellowLedPort, DigitalPort redLedPort, int greenThreshold, int yellowThreshold, int redThreshold)
{
var plate = new Plate();
var cancellationSource = new CancellationTokenSource();
var greenLed = plate.GetOrCreateDigitalDevice <Led>(greenLedPort);
greenLed.DisplayProperties.Add(new NamedCssColor("green"));
var yellowLed = plate.GetOrCreateDigitalDevice <Led>(yellowLedPort);
yellowLed.DisplayProperties.Add(new NamedCssColor("yellow"));
var redLed = plate.GetOrCreateDigitalDevice <Led>(redLedPort);
redLed.DisplayProperties.Add(new NamedCssColor("red"));
ClearLeds();
Task.Run(() =>
{
var sensor = plate.GetOrCreateDigitalDevice <UltrasonicSensor>(ultrasonicSensorPort);
Observable
.Interval(TimeSpan.FromSeconds(0.5))
.Subscribe(_ =>
{
var distance = sensor.Distance;
switch (distance)
{
case { } x when x > greenThreshold:
greenLed.On();
yellowLed.Off();
redLed.Off();
break;
case { } x when x <greenThreshold && x> yellowThreshold:
greenLed.Off();
yellowLed.On();
redLed.Off();
break;
case { } x when x < redThreshold:
greenLed.Off();
yellowLed.Off();
redLed.On();
break;
}
PrintPlate(plate);
});
PrintPlate(plate);
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
plate.Dispose();
ClearLeds();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
void ClearLeds()
{
greenLed.Off();
yellowLed.Off();
redLed.Off();
}
}