static void Main(string[] args)
{
// Set debounce delay to 5ms
int debounceDelay = 50000;
int pin = 7;
Console.WriteLine($"Let's blink an on-board LED!");
using GpioController controller = new GpioController(PinNumberingScheme.Board, new OrangePi4Driver());
using BoardLed led = new BoardLed("status_led");
controller.OpenPin(pin, PinMode.InputPullUp);
led.Trigger = "none";
Console.WriteLine($"GPIO pin enabled for use: {pin}.");
Console.WriteLine("Press any key to exit.");
while (!Console.KeyAvailable)
{
if (Debounce())
{
// Button is pressed
led.Brightness = 1;
}
else
{
// Button is unpressed
led.Brightness = 0;
}
}
bool Debounce()
{
long debounceTick = DateTime.Now.Ticks;
PinValue buttonState = controller.Read(pin);
do
{
PinValue currentState = controller.Read(pin);
if (currentState != buttonState)
{
debounceTick = DateTime.Now.Ticks;
buttonState = currentState;
}
}while (DateTime.Now.Ticks - debounceTick < debounceDelay);
if (buttonState == PinValue.Low)
{
return(true);
}
else
{
return(false);
}
}
}
/// <summary>
/// Entry point for example program
/// </summary>
/// <param name="args">Command line arguments</param>
public static void Main(string[] args)
{
// Open the green led on Raspberry Pi.
using BoardLed led = new BoardLed("led0");
string defaultTrigger = led.Trigger;
// LED can be controlled only if the trigger is set to none.
led.Trigger = "none";
// Do your job.
for (int i = 0; i < 10; i++)
{
// Because the Raspberry Pi LED does not support dimming, brightness values greater than 0 can turn the LED on.
led.Brightness = 1;
Thread.Sleep(500);
led.Brightness = 0;
Thread.Sleep(500);
}
// Give the control of led to the kernel.
led.Trigger = defaultTrigger;
}
