static async Task Main(string[] args)
{
// Make sure you can access the bus device before requesting a device scan (or run using sudo)
// $ sudo chmod a+rw /sys/bus/w1/devices/w1_bus_master1/w1_master_*
if (args.Any(_ => _ == "temp"))
{
// Quick and simple way to find a thermometer and print the temperature
foreach (var dev in OneWireThermometerDevice.EnumerateDevices())
{
Console.WriteLine($"Temperature reported by '{dev.DeviceId}': " + (await dev.ReadTemperatureAsync()).Celsius.ToString("F2") + "\u00B0C");
}
}
else
{
// More advanced way, with rescanning the bus and iterating devices per 1-wire bus
foreach (var busId in OneWireBus.EnumerateBusIds())
{
var bus = new OneWireBus(busId);
Console.WriteLine($"Found bus '{bus.BusId}', scanning for devices ...");
await bus.ScanForDeviceChangesAsync();
foreach (var devId in bus.EnumerateDeviceIds())
{
var dev = new OneWireDevice(busId, devId);
Console.WriteLine($"Found family '{dev.Family}' device '{dev.DeviceId}' on '{bus.BusId}'");
if (OneWireThermometerDevice.IsCompatible(busId, devId))
{
var devTemp = new OneWireThermometerDevice(busId, devId);
Console.WriteLine("Temperature reported by device: " + (await devTemp.ReadTemperatureAsync()).Celsius.ToString("F2") + "\u00B0C");
}
}
}
}
}
/// <summary>
/// https://github.com/dotnet/iot/tree/master/src/devices/OneWire/samples
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
static async Task Main(string[] args)
{
// below ID is valid only for my device
var ds18b20DeviceId = "28-0119501b89ff";
// you can remove condition from "FirstOrDefault"
var oneWireThermometerDevice = OneWireThermometerDevice.EnumerateDevices().FirstOrDefault(e => e.DeviceId == ds18b20DeviceId);
if (oneWireThermometerDevice == null)
{
Console.WriteLine("Cannot find device \"28-0119501b89ff\"");
return;
}
double?lastTemp = null;
while (true)
{
var temp = await oneWireThermometerDevice.ReadTemperatureAsync();
if (!lastTemp.HasValue || Math.Abs((decimal)(lastTemp.Value - temp.Celsius)) > 1)
{
lastTemp = temp.Celsius;
var formattedTemp = temp.Celsius.ToString("F2") + "\u00B0C";
Console.WriteLine($"{DateTime.Now:G} {formattedTemp}");
}
Thread.Sleep(1000);
}
}
/// <inheritdoc />
public void OpenPins(HardwareConfiguration configuration)
{
this.controller = new GpioController(PinNumberingScheme.Logical);
foreach (var pin in configuration.Pins)
{
if (pin.Mode == HardwarePinConfigurationMode.Input)
{
this.controller.OpenPin(pin.LogicalPin);
this.controller.RegisterCallbackForPinValueChangedEvent(
pin.LogicalPin,
PinEventTypes.Falling | PinEventTypes.Rising | PinEventTypes.None,
this.OnPinValueChanged);
}
else
{
this.controller.OpenPin(pin.LogicalPin, PinMode.Output);
this.controller.Write(pin.LogicalPin, PinValue.High);
}
}
this.pins = configuration.Pins.ToList();
this.devices = OneWireThermometerDevice.EnumerateDevices().ToList();
foreach (var device in this.devices)
{
this.logger.LogDebug($"Found device bus={device.BusId}, id={device.DeviceId}, type={device.Family.ToString()}");
}
}
public TemperatureReader()
{
var devices = OneWireThermometerDevice.EnumerateDevices().ToList();
Console.WriteLine("Devices START");
devices.ForEach(e => Console.WriteLine($"DeviceId: {e.DeviceId}"));
Console.WriteLine("END Devices");
this.oneWireThermometerDevice = devices.FirstOrDefault();
if (oneWireThermometerDevice == null)
{
Console.WriteLine("Cannot find any device");
}
}
public async Task DS18B20SicaklikOku()
{
try
{
string busId = OneWireBus.EnumerateBusIds().First();
string deviceId = OneWireDevice.EnumerateDeviceIds().First().devId;
OneWireThermometerDevice ds18B20Dev = new OneWireThermometerDevice(busId, deviceId);
Temperature sicaklik = await ds18B20Dev.ReadTemperatureAsync();
Sicaklik = sicaklik.Celsius;
}
catch (Exception hata)
{
SonHata = hata;
}
}
public static void RunAndDisplay()
{
using var controller = new GpioController(PinNumberingScheme.Logical);
for (int i = 0; i < controller.PinCount; i++)
{
Console.WriteLine(string.Concat(
$"Pin {i:000}",
$" | Input = {controller.IsPinModeSupported(i, PinMode.Input)}",
$" | InputPullDown = {controller.IsPinModeSupported(i, PinMode.InputPullDown)}",
$" | InputPullUp = {controller.IsPinModeSupported(i, PinMode.InputPullUp)}",
$" | Output = {controller.IsPinModeSupported(i, PinMode.Output)}"
));
}
// Quick and simple way to find a thermometer and print the temperature
Console.WriteLine("Enumerating temperature sensors...");
foreach (var dev in OneWireThermometerDevice.EnumerateDevices())
{
var temperature = dev.ReadTemperature().Celsius;
Console.WriteLine($"Temperature reported by '{dev.DeviceId}': {temperature}°C");
}
}
