Remarks

Lm75
Status
Source code	GitHub
Datasheet(s)	GitHub
NuGet package

Code Example

Lm75 lm75;

public override Task Initialize()
{
    Resolver.Log.Info("Initialize...");

    lm75 = new Lm75(Device.CreateI2cBus());

    var consumer = Lm75.CreateObserver(
        handler: result =>
        {
            Resolver.Log.Info($"Temperature New Value { result.New.Celsius}C");
            Resolver.Log.Info($"Temperature Old Value { result.Old?.Celsius}C");
              },
        filter: null
    );
    lm75.Subscribe(consumer);

    lm75.TemperatureUpdated += (object sender, IChangeResult<Meadow.Units.Temperature> e) =>
    {
        Resolver.Log.Info($"Temperature Updated: {e.New.Celsius:n2}C");
    };
    return Task.CompletedTask;
}

public override async Task Run()
{
    var temp = await lm75.Read();
    Resolver.Log.Info($"Temperature New Value {temp.Celsius}C");

    lm75.StartUpdating();
}

Sample project(s) available on GitHub

Characteristic	Locus
Inheritance	System.Object ObservableBase<Units.Temperature> SamplingSensorBase<Units.Temperature> PollingSensorBase<Units.Temperature> ByteCommsSensorBase<Units.Temperature> > Lm75
Implements	ISamplingSensor<Units.Temperature> ISamplingSensor<Units.Temperature> IDisposable ITemperatureSensor
Inherited Members	ByteCommsSensorBase<Units.Temperature>.Peripheral ByteCommsSensorBase<Units.Temperature>.ReadBuffer ByteCommsSensorBase<Units.Temperature>.WriteBuffer ByteCommsSensorBase<Units.Temperature>.Init(Int32, Int32) ByteCommsSensorBase<Units.Temperature>.Dispose(Boolean) ByteCommsSensorBase<Units.Temperature>.Dispose() PollingSensorBase<Units.Temperature>.StartUpdating(Nullable<TimeSpan>) PollingSensorBase<Units.Temperature>.StopUpdating() SamplingSensorBase<Units.Temperature>.samplingLock SamplingSensorBase<Units.Temperature>.Updated SamplingSensorBase<Units.Temperature>.SamplingTokenSource SamplingSensorBase<Units.Temperature>.Conditions SamplingSensorBase<Units.Temperature>.IsSampling SamplingSensorBase<Units.Temperature>.UpdateInterval SamplingSensorBase<Units.Temperature>.RaiseEventsAndNotify(IChangeResult<>) SamplingSensorBase<Units.Temperature>.Read() ObservableBase<Units.Temperature>.observers ObservableBase<Units.Temperature>.NotifyObservers(IChangeResult<>) Meadow.Foundation.ObservableBase<Units.Temperature>.Subscribe(IObserver<>) Meadow.Foundation.ObservableBase<Units.Temperature>.CreateObserver(Action<>, System.Nullable<Predicate<IChangeResult<UNIT>>>)
Namespace	Meadow.Foundation.Sensors.Temperature
Assembly	Lm75.dll

Syntax

public class Lm75 : ByteCommsSensorBase<Units.Temperature>, ISamplingSensor<Units.Temperature>, ISamplingSensor<Units.Temperature>, IDisposable, ITemperatureSensor

Constructors

Lm75(II2cBus, Byte)

Create a new TMP102 object using the default configuration for the sensor

Declaration

public Lm75(II2cBus i2cBus, byte address = null)

Parameters

Type	Name	Description
II2cBus	i2cBus	The I2C bus
System.Byte	address	I2C address of the sensor

Properties

Temperature

The Temperature value from the last reading

Declaration

public Units.Temperature? Temperature { get; protected set; }

Property Value

Type	Description
System.Nullable<Units.Temperature>

Methods

RaiseEventsAndNotify(IChangeResult<Units.Temperature>)

Raise events for subcribers and notify of value changes

Declaration

protected override void RaiseEventsAndNotify(IChangeResult<Units.Temperature> changeResult)

Parameters

Type	Name	Description
IChangeResult<Units.Temperature>	changeResult	The updated sensor data

ReadSensor()

Update the Temperature property

Declaration

protected override Task<Units.Temperature> ReadSensor()

Returns

Type	Description
Task<Units.Temperature>

Overrides

Meadow.Foundation.SamplingSensorBase<Units.Temperature>.ReadSensor()

Events

TemperatureUpdated

Raised when the value of the reading changes

Declaration

public event EventHandler<IChangeResult<Units.Temperature>> TemperatureUpdated

Event Type

Type	Description
EventHandler<IChangeResult<Units.Temperature>>