private static async Task TestLed01()
{
var module = new PiTopModule();
var plate = module.GetOrCreatePlate <FoundationPlate>();
var ports = DigitalPort.D0.GetDigitalPortRange(3);
var leds = ports
.Select(p => plate.GetOrCreateDevice(p, (dp, c) => new Led(dp, c)))
.ToArray();
foreach (var led in leds)
{
led.Off();
}
var pos = 0;
for (var i = 0; i < (leds.Length * 10); i++)
{
leds[pos].Toggle();
pos = (pos + 1) % 3;
await Task.Delay(300);
}
foreach (var led in leds)
{
led.Off();
}
}
private static Task TestPotentiometer(AnaloguePort port)
{
var cancellationSource = new CancellationTokenSource();
var module = new PiTopModule();
var plate = module.GetOrCreatePlate <FoundationPlate>();
Task.Run(() =>
{
var potentiometer = plate.GetOrCreateDevice <Potentiometer>(port);
Observable
.Interval(TimeSpan.FromSeconds(0.5))
.Select(_ => potentiometer.Position)
.Subscribe(Console.WriteLine);
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
module.Dispose();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
}
static void Main(string[] args)
{
using var pipeline = Pipeline.Create("PiTop", true);
using var module = new PiTopModule();
var plate = module.GetOrCreatePlate <FoundationPlate>();
var threshold = plate
.GetOrCreateDevice <Potentiometer>(AnaloguePort.A0)
.CreateComponent(pipeline, TimeSpan.FromSeconds(0.5));
var distance = plate
.GetOrCreateDevice <UltrasonicSensor>(DigitalPort.D3)
.CreateComponent(pipeline, TimeSpan.FromSeconds(0.2));
var alert = new ValueAlertComponent(pipeline,
new[]
{
plate.GetOrCreateDevice <Led>(DigitalPort.D0),
plate.GetOrCreateDevice <Led>(DigitalPort.D1),
plate.GetOrCreateDevice <Led>(DigitalPort.D2)
});
threshold
.Select(t => t * 50)
.PipeTo(alert.Threshold);
distance
.Select(d => d.Value)
.PipeTo(alert.Value);
pipeline.Run();
}
private static Task TestUltrasoundSensor()
{
var module = new PiTopModule();
var plate = module.GetOrCreatePlate <FoundationPlate>();
var cancellationSource = new CancellationTokenSource();
Task.Run(() =>
{
var sensor =
plate.GetOrCreateDevice <UltrasonicSensor>(DigitalPort.D3, (dp, c) => new UltrasonicSensor(dp, c));
Observable
.Interval(TimeSpan.FromSeconds(0.5))
.Subscribe(_ => { Console.WriteLine(sensor.Distance); });
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
module.Dispose();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
}
public void can_obtain_plate_from_module()
{
using var module = new PiTopModule(new DummyGpioController());
using var plate = module.GetOrCreatePlate <FoundationPlate>();
plate.Should().NotBeNull();
}
public void plate_can_create_led()
{
using var module = new PiTopModule(new DummyGpioController());
using var plate = module.GetOrCreatePlate <FoundationPlate>();
using var led = plate.GetOrCreateDevice <Led>(DigitalPort.D0);
led.Should().NotBeNull();
}
public void plate_returns_previously_created_devices()
{
using var module = new PiTopModule(new DummyGpioController());
using var plate = module.GetOrCreatePlate <FoundationPlate>();
var led1 = plate.GetOrCreateDevice <Led>(DigitalPort.D0);
var led2 = plate.GetOrCreateDevice <Led>(DigitalPort.D0);
led2.Should().BeSameAs(led1);
}
private static Task TestButton(DigitalPort buttonPort, DigitalPort[] ledPorts)
{
var cancellationSource = new CancellationTokenSource();
var module = new PiTopModule();
var plate = module.GetOrCreatePlate <FoundationPlate>();
Task.Run(() =>
{
var button = plate.GetOrCreateDevice <Button>(buttonPort);
foreach (var digitalPort in ledPorts)
{
plate.GetOrCreateDevice <Led>(digitalPort);
}
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();
});
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
module.Dispose();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
}
public void cannot_create_a_different_device_on_allocated_pins()
{
using var module = new PiTopModule(new DummyGpioController());
using var plate = module.GetOrCreatePlate <FoundationPlate>();
plate.GetOrCreateDevice <Led>(DigitalPort.D0);
var action = new Action(() =>
{
plate.GetOrCreateDevice <UltrasonicSensor>(DigitalPort.D0);
});
action.Should().Throw <InvalidOperationException>()
.Which
.Message
.Should().Match("Connection D0 is already used by PiTopMakerArchitecture.Foundation.Components.Led device");
}
public LEDService()
{
_module = new PiTopModule();
_plate = _module.GetOrCreatePlate <FoundationPlate>();
_green = _plate.GetOrCreateDevice <Led>(DigitalPort.D0);
_green.DisplayProperties.Add(new NamedCssColor("green"));
_amber = _plate.GetOrCreateDevice <Led>(DigitalPort.D1);
_amber.DisplayProperties.Add(new NamedCssColor("gold"));
_red = _plate.GetOrCreateDevice <Led>(DigitalPort.D2);
_red.DisplayProperties.Add(new NamedCssColor("red"));
_green.Off();
_amber.Off();
_red.Off();
}
private static Task TestSemaphore(DigitalPort ultrasonicSensorPort, DigitalPort greenLedPort, DigitalPort yellowLedPort, DigitalPort redLedPort, int greenThreshold, int yellowThreshold, int redThreshold)
{
var module = new PiTopModule();
var plate = module.GetOrCreatePlate <FoundationPlate>();
var cancellationSource = new CancellationTokenSource();
var greenLed = plate.GetOrCreateDevice <Led>(greenLedPort);
greenLed.DisplayProperties.Add(new NamedCssColor("green"));
var yellowLed = plate.GetOrCreateDevice <Led>(yellowLedPort);
yellowLed.DisplayProperties.Add(new NamedCssColor("yellow"));
var redLed = plate.GetOrCreateDevice <Led>(redLedPort);
redLed.DisplayProperties.Add(new NamedCssColor("red"));
ClearLeds();
Task.Run(() =>
{
var sensor = plate.GetOrCreateDevice <UltrasonicSensor>(ultrasonicSensorPort);
Observable
.Interval(TimeSpan.FromSeconds(0.5))
.Subscribe(_ =>
{
var distance = sensor.Distance.Value;
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;
}
});
Console.WriteLine("press enter key to exit");
}, cancellationSource.Token);
return(Task.Run(() =>
{
Console.ReadLine();
module.Dispose();
ClearLeds();
cancellationSource.Cancel(false);
}, cancellationSource.Token));
void ClearLeds()
{
greenLed.Off();
yellowLed.Off();
redLed.Off();
}
}