Characteristic	Locus
Inheritance	System.Object FilterableChangeObservableBase<AtmosphericConditionChangeResult, AtmosphericConditions> > Mcp9808
Implements	System.IObservable<AtmosphericConditionChangeResult> IAtmosphericSensor ITemperatureSensor
Inherited Members	FilterableChangeObservableBase<AtmosphericConditionChangeResult, AtmosphericConditions>._observers FilterableChangeObservableBase<AtmosphericConditionChangeResult, AtmosphericConditions>.NotifyObservers(AtmosphericConditionChangeResult) FilterableChangeObservableBase<AtmosphericConditionChangeResult, AtmosphericConditions>.Subscribe(IObserver<AtmosphericConditionChangeResult>) System.Object.ToString() System.Object.Equals(System.Object) System.Object.Equals(System.Object, System.Object) System.Object.ReferenceEquals(System.Object, System.Object) System.Object.GetHashCode() System.Object.GetType() System.Object.MemberwiseClone()
Namespace	Meadow.Foundation.Sensors.Temperature
Assembly	Mcp9808.dll

Syntax

public class Mcp9808 : FilterableChangeObservableBase<AtmosphericConditionChangeResult, AtmosphericConditions>, IObservable<AtmosphericConditionChangeResult>, IAtmosphericSensor, ITemperatureSensor

Constructors

Mcp9808(II2cBus, Byte)

Declaration

public Mcp9808(II2cBus i2CBus, byte address = 24)

Parameters

Type	Name	Description
II2cBus	i2CBus
System.Byte	address

Fields

DefaultAddress

Declaration

public const byte DefaultAddress = 24

Field Value

Type	Description
System.Byte

Properties

Conditions

The AtmosphericConditions from the last reading.

Declaration

public AtmosphericConditions Conditions { get; protected set; }

Property Value

Type	Description
AtmosphericConditions

IsSampling

Declaration

public bool IsSampling { get; protected set; }

Property Value

Type	Description
System.Boolean

Temperature

Declaration

public float Temperature { get; }

Property Value

Type	Description
System.Single

Methods

GetDeviceId()

Read the device ID

Declaration

public ushort GetDeviceId()

Returns

Type	Description
System.UInt16

GetManufactureId()

Read the manufacture ID

Declaration

public ushort GetManufactureId()

Returns

Type	Description
System.UInt16

GetResolution()

Read resolution

Declaration

public byte GetResolution()

Returns

Type	Description
System.Byte

RaiseChangedAndNotify(AtmosphericConditionChangeResult)

Declaration

protected void RaiseChangedAndNotify(AtmosphericConditionChangeResult changeResult)

Parameters

Type	Name	Description
AtmosphericConditionChangeResult	changeResult

Read()

Convenience method to get the current sensor readings. For frequent reads, use StartSampling() and StopSampling() in conjunction with the SampleBuffer.

Declaration

public Task<AtmosphericConditions> Read()

Returns

Type	Description
System.Threading.Tasks.Task<AtmosphericConditions>

SetResolution(Byte)

Set resolution

Declaration

public void SetResolution(byte resolution)

Parameters

Type	Name	Description
System.Byte	resolution

Sleep()

Set the device into a low power sleep state

Declaration

public void Sleep()

StartUpdating(Int32)

Begin reading temperature data

Declaration

public void StartUpdating(int standbyDuration = 1000)

Parameters

Type	Name	Description
System.Int32	standbyDuration

StopUpdating()

Stops sampling the temperature.

Declaration

public void StopUpdating()

Update()

Update the Temperature property.

Declaration

public void Update()

Wake()

Wake the the device if it's in sleep state

Declaration

public void Wake()

Events

Updated

Declaration

public event EventHandler<AtmosphericConditionChangeResult> Updated

Event Type

Type	Description
System.EventHandler<AtmosphericConditionChangeResult>