protected virtual int OnExecute(CommandLineApplication app)
{
using FoundationPlate plate = PiTop4Board.Instance.GetOrCreatePlate <FoundationPlate>();
using Led green = plate.GetOrCreateLed(DigitalPort.D0);
using Led yellow = plate.GetOrCreateLed(DigitalPort.D1);
using Led red = plate.GetOrCreateLed(DigitalPort.D2);
Led[] semaphore = new[] { green, yellow, red };
using Potentiometer potentiometer = plate.GetOrCreatePotentiometer(AnaloguePort.A0);
potentiometer.Connect();
int currentPosition = -1;
Led current = green;
while (true)
{
// 2.9999 instead of 3 so when the Position is 1 it doesn't return 3 and still returns 2 (red light)
int newPosition = (int)(potentiometer.Position * 2.9999);
if (newPosition != currentPosition)
{
current.Off();
current = semaphore[newPosition];
currentPosition = newPosition;
current.On();
}
Thread.Sleep(100);
}
return(0);
}
