private static void Main(string[] args)
{
var interval = GetInterval(args);
var triggerPin = ConnectorPin.P1Pin03.ToProcessor();
var echoPin = ConnectorPin.P1Pin07.ToProcessor();
using (var connection = new HcSr04Connection(triggerPin, echoPin))
{
while (!Console.KeyAvailable)
{
try
{
var distance = connection.GetDistance();
Console.WriteLine("{0:0.0}cm", distance * 100);
}
catch (TimeoutException)
{
Console.WriteLine("(Timeout)");
}
Timer.Sleep(interval);
}
}
}
public virtual IActionResult GetHeaterState([FromRoute] string zoneId)
{
//string exampleJson = null;
const ConnectorPin triggerPin = ConnectorPin.P1Pin38;
const ConnectorPin echoPin = ConnectorPin.P1Pin40;
double distance = 0;
string state = null;
Console.WriteLine("info: HC-SR04 distance measure");
Console.WriteLine(" Trigger: {0}", triggerPin);
Console.WriteLine(" Echo: {0}", echoPin);
var driver = GpioConnectionSettings.DefaultDriver;
using (var connection = new HcSr04Connection(
driver.Out(triggerPin.ToProcessor()),
driver.In(echoPin.ToProcessor())))
try
{
distance = connection.GetDistance().Centimeters;
Console.WriteLine(string.Format("{0:0.0} cm", distance).PadRight(16));
//Console.CursorTop--;
}
catch (TimeoutException e)
{
state = "Timeout: " + e.Message;
}
if (state == null)
{
state = string.Format("{0:0.0} cm", distance);
}
HeaterState hs = new HeaterState
{
Id = zoneId,
State = state
};
var hs_state = hs ?? default(HeaterState);
return(new ObjectResult(hs_state));
}
private static void Main(string[] args)
{
Console.CursorVisible = false;
const ConnectorPin triggerPin = ConnectorPin.P1Pin21;
const ConnectorPin echoPin = ConnectorPin.P1Pin23;
Console.WriteLine("HC-SR04 Sample: measure distance");
Console.WriteLine();
Console.WriteLine("\tTrigger: {0}", triggerPin);
Console.WriteLine("\tEcho: {0}", echoPin);
Console.WriteLine();
var interval = GetInterval(args);
var driver = GpioConnectionSettings.DefaultDriver;
using (var connection = new HcSr04Connection(
driver.Out(triggerPin.ToProcessor()),
driver.In(echoPin.ToProcessor())))
{
while (!Console.KeyAvailable)
{
try
{
var distance = connection.GetDistance();
Console.WriteLine(string.Format(CultureInfo.InvariantCulture, "{0:0.0}cm", distance * 100).PadRight(16));
Console.CursorTop--;
}
catch (TimeoutException e)
{
Console.WriteLine("(Timeout): " + e.Message);
}
Timer.Sleep(interval);
}
}
Console.CursorVisible = true;
}
private static void Main(string[] args)
{
Console.CursorVisible = false;
var driver = GpioConnectionSettings.DefaultDriver;
led1 = ConnectorPin.P1Pin11.Output();
led2 = ConnectorPin.P1Pin13.Output();
buttonPin = ProcessorPin.Pin18;
var filename = @"/usr/share/scratch/Media/Sounds/Electronic/ComputerBeeps1.wav";
var stream = new MemoryStream();
using (var file = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read)) {
file.CopyTo(stream);
}
stream.Position = 0;
//player = new SoundPlayer (filename);
var isPlaying = false;
driver.Allocate(buttonPin, PinDirection.Input);
driver.Allocate(led1.Pin, PinDirection.Output);
driver.Allocate(led2.Pin, PinDirection.Output);
const ConnectorPin triggerPin = ConnectorPin.P1Pin10;
const ConnectorPin echoPin = ConnectorPin.P1Pin08;
Console.WriteLine("HC-SR04 Sample: measure distance");
Console.WriteLine();
Console.WriteLine("\tTrigger: {0}", triggerPin);
Console.WriteLine("\tEcho: {0}", echoPin);
Console.WriteLine();
var interval = GetInterval(args);
//var driver = GpioConnectionSettings.DefaultDriver;
bool toggle = true;
using (var connection = new HcSr04Connection(
driver.Out(triggerPin.ToProcessor()),
driver.In(echoPin.ToProcessor()))) {
while (true)
{
try {
var distance = connection.GetDistance().Centimeters;
if (distance < 100)
{
if (!isPlaying)
{
isPlaying = true;
Task.Run(() => {
stream.Position = 0;
//player = new SoundPlayer(
lock (stream) {
using (player = new SoundPlayer(stream)) {
try {
player.PlaySync();
} catch (Exception ex) {
Console.WriteLine(ex.ToString());
}
Timer.Sleep(TimeSpan.FromSeconds(3));
}
}
isPlaying = false;
});
}
driver.Write(led1.Pin, toggle);
toggle = !toggle;
driver.Write(led2.Pin, toggle);
}
else
{
if (isPlaying)
{
//lock (player) {
// player.Stop ();
//}
//player.Dispose();
// isPlaying = false;
}
driver.Write(led1.Pin, false);
driver.Write(led2.Pin, false);
}
//Console.WriteLine(string.Format(CultureInfo.InvariantCulture, "{0:0.0}cm", distance).PadRight(16));
//Console.CursorTop--;
} catch (TimeoutException e) {
Console.WriteLine("(Timeout): " + e.Message);
}
Timer.Sleep(interval);
}
}
Console.CursorVisible = true;
}
